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<section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style=""> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">自从发了 <a style="" href="https://mp.weixin.qq.com/s?__biz=MjM5NzQxMTAyNw==&mid=2247485510&idx=1&sn=22eef6a6bddd360cb851e06566178ec5&scene=21#wechat_redirect" textvalue="DeepSeek+dify 本地知识库：真的太香了" data-itemshowtype="0" target="_blank" linktype="text" data-linktype="2">DeepSeek+dify 本地知识库：真的太香了</a>这篇以后，一直有小伙伴介绍在问我，怎么让在个ai应用客户端直接连接数据库查询。dify官方没有现成的组件可以直接用。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">当时我想的是两种方式，一种是基于代码执行模块直接查询数据库，一种是基于Http请求，调用自己封装接口来查询数据库。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">历史文章 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><a style="" href="https://mp.weixin.qq.com/s?__biz=MjM5NzQxMTAyNw==&mid=2247485510&idx=1&sn=22eef6a6bddd360cb851e06566178ec5&scene=21#wechat_redirect" textvalue="DeepSeek+dify 本地知识库：真的太香了" data-itemshowtype="0" target="_blank" linktype="text" data-linktype="2">DeepSeek+dify 本地知识库：真的太香了</a> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><a style="" href="https://mp.weixin.qq.com/s?__biz=MjM5NzQxMTAyNw==&mid=2247485614&idx=1&sn=6edd8860da578d145bc05f158678dbe5&scene=21#wechat_redirect" textvalue="Deepseek+Dify本地知识库相关问题汇总" data-itemshowtype="0" target="_blank" linktype="text" data-linktype="2">Deepseek+Dify本地知识库相关问题汇总</a> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><a style="" href="https://mp.weixin.qq.com/s?__biz=MjM5NzQxMTAyNw==&mid=2247485677&idx=1&sn=8977dea15592f5cd67565298b403b5ea&scene=21#wechat_redirect" textvalue="DeepSeek+dify 本地知识库：高级应用Agent+工作流" data-itemshowtype="0" target="_blank" linktype="text" data-linktype="2">DeepSeek+dify 本地知识库：高级应用Agent+工作流</a> <h2 data-tool="mdnice编辑器" style="border-bottom-color: rgb(239, 112, 96);margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: unset;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 2px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.1em;overflow-x: unset;overflow-y: unset;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"> <span style="font-size: 22px;color: rgb(255, 255, 255);background-color: rgb(239, 112, 96);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 3px;border-top-right-radius: 3px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 5px;overflow-x: unset;overflow-y: unset;padding-top: 3px;padding-bottom: 1px;padding-left: 10px;padding-right: 10px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">基于接口执行数据库查询 <span style="border-bottom-color: rgb(239, 235, 233);align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: unset;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: solid;border-top-width: 1px;border-bottom-width: 36px;border-left-width: 1px;border-right-width: 20px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: transparent;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;color: rgb(0, 0, 0);display: inline-block;font-size: 16px;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;letter-spacing: 0px;line-height: 1.1em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"> </h2> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">想干这事之前先梳理下流程<img src="/upload/f14f8af3ff704439675af0cc83662f62.png" class="rich_pages wxw-img" data-ratio="0.2797297297297297" data-type="png" data-w="740" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;" data-imgfileid="100002046"> <ul style="list-style-type: disc;margin-top: 8px;margin-bottom: 8px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 25px;padding-right: 0px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 用户输入问题，根据用户的问题提出关键词 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 通过http调用外部服务接口，根据关键词查询数据库 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 返回200，调用大模型，将用户问题和知识进行梳理 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 返回其他，直接输出 </section></li> </ul> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: block;"> 本地准备 </h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">要求： <ul style="list-style-type: disc;margin-top: 8px;margin-bottom: 8px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 25px;padding-right: 0px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 有一个python环境 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 安装pymysq和flask 组件<code style="">python -m pip install pymysql flask </code> </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 有一个mysql，或其他的数据库，我有mysql直接用了 </section></li> </ul> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: block;"> 接口开发 </h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">让kimi给我生成一个文章表，并且插入10条数据，我们可以告诉kimi，文章长度多大，这样内容可以丰富些。<img src="/upload/1485b0ce44349293e53242f36e6ce6f0.png" class="rich_pages wxw-img" data-ratio="0.99836867862969" data-type="png" data-w="613" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;" data-imgfileid="100002045">直接让kimi生成一个暴露接口查数据库的服务，有简单的优化了下,将下面的内容放入到<code style="">server.py</code>文件中 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg k0ue4mipavick8hqialiakg2tb1ebnwq3bs1gdsusaaoialugirysdnk19v5ftbvraq0mgzeeyoukk6rprqxtrmqfohj0o9toqm8 640?wx_fmt="svg&from=appmsg");""> <code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">from flask import Flask, request, jsonify import pymysql app = Flask(__name__) # 数据库配置 DATABASE_CONFIG = {     'host': '', # 自己的数据库地址     'user': '', # 自己数据库的账户     'password': '', #自己数据库的密码     'db': 'demo', # 自己数据库的库名     'charset': 'utf8mb4',     'cursorclass': pymysql.cursors.DictCursor } @app.route('/query', methods=['POST']) def query_database():     print("接收到请求")     # 获取关键字     keyword = request.json.get('keyword')     print("keyword为："+keyword)     ifnot keyword:         return jsonify({"error": "Keyword is required"}), 400          # 参数化查询，避免 SQL 注入，修改成自己的库     query = "SELECT * FROM articles WHERE content LIKE %s"     params = ('%' + keyword + '%',)          try:         # 建立数据库连接         connection = pymysql.connect(**DATABASE_CONFIG)         with connection.cursor() as cursor:             # 执行查询             cursor.execute(query, params)             result = cursor.fetchall()                  connection.commit()         connection.close()         ifnot result:             return"未查询到有效数据", 400                  # 生成 Markdown 表格         markdown_table = generate_markdown_table(result)                  return markdown_table, 200          except Exception as e:         return str(e), 500 def generate_markdown_table(results):     """ 生成 Markdown 表格 """     ifnot results:         return""     # 获取列名     columns = results[0].keys()          # 表头     table_md = "| " + " | ".join([col for col in columns]) + " |\n"     # 分隔线     table_md += "| " + " --- |" * len(columns) + "\n"          # 表格内容     for row in results:         table_md += "| " + " | ".join([str(cell) for cell in row.values()]) + " |\n"          return table_md if __name__ == '__main__':     # 注意这里绑定本机的内容ip，省事点，就0.0.0.0即可。不要绑定127.0.0.1，docke内访问不到     app.run(host='10.1.0.65', port=8000) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">启动服务 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg k0ue4mipavick8hqialiakg2tb1ebnwq3bs1gdsusaaoialugirysdnk19v5ftbvraq0mgzeeyoukk6rprqxtrmqfohj0o9toqm8 640?wx_fmt="svg&from=appmsg");""> <code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"> python .\server.py </code></pre> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: block;"> 配置工作流 </h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><img src="/upload/923b700177ae8b0752d84e89617bf7bf.png" class="rich_pages wxw-img" data-ratio="0.9504950495049505" data-type="png" data-w="707" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;" data-imgfileid="100002048">创建一个空白应用。<img src="/upload/fd9b4b79247c5fbc6bc44d60bb43e4dc.png" class="rich_pages wxw-img" data-ratio="0.5529891304347826" data-type="png" data-w="736" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;" data-imgfileid="100002047">在开始节点添加一个输入字段<code style="">context</code> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/3be38746c11a7a648e28e0890f437996.png" class="rich_pages wxw-img" data-ratio="0.5629139072847682" data-type="png" data-w="906" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100002044"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">添加一个LLM，把开始节点设置的<code style="">context</code>字段作为上下文传入，并设置提示词提取关键词。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><img src="/upload/51768755dc6a49f2048a3c143df0b4bb.png" class="rich_pages wxw-img" data-ratio="1.0582386363636365" data-type="png" data-w="704" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;" data-imgfileid="100002053">添加一个http请求节点，把我们在接口开发里的地址和接口名填写进去<code style="">2</code>，然后把大模型的输出作为关键词填写到请求body里<code style="">3</code>，我们关闭重试机制<code style="">4</code>。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这里要注意下：json的引号是中文的，最好在外面写好校验过了再放进去。<img class="rich_pages wxw-img" data-imgfileid="100002050" data-ratio="1.3667481662591687" src="/upload/7f537acb1dda6cca9df886aa8929d5ca.png" data-type="png" data-w="409" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;">在HTTP请求的输出变量里，我们只关注status_code 响应状态码和响应内容即可。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><img class="rich_pages wxw-img" data-imgfileid="100002051" data-ratio="0.8265582655826558" src="/upload/0ff7e2629fe8319a89b011d1ce8eab66.png" data-type="png" data-w="738" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;">添加一个条件分支<code style="">1</code>，然后设置HTTP响应码为200的时候，连接到大模型。其他直接结束。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><img class="rich_pages wxw-img" data-imgfileid="100002052" data-ratio="0.6038216560509554" src="/upload/80d9eece29233dbd693e6b9b7610de2e.png" data-type="png" data-w="785" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;">添加大模型，将HTTP请求的响应体作为上下文给大模型，输入提示词，让大模型根据知识，验证，并进行合理性的验证，最后结构化返回。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><img src="/upload/d17d7dccece7ede85381421e060c891e.png" class="rich_pages wxw-img" data-ratio="0.5221674876847291" data-type="png" data-w="406" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;" data-imgfileid="100002049">在结束节点中，我们把大模型整理的内容输出。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><img class="rich_pages wxw-img" data-imgfileid="100002056" data-ratio="1.1198830409356726" src="/upload/a5dc66ecf29422ecd0f0343e405adbe3.png" data-type="png" data-w="684" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;">试运行效果。 <h2 data-tool="mdnice编辑器" style="border-bottom-color: rgb(239, 112, 96);margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: unset;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 2px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.1em;overflow-x: unset;overflow-y: unset;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"> <span style="font-size: 22px;color: rgb(255, 255, 255);background-color: rgb(239, 112, 96);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 3px;border-top-right-radius: 3px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 5px;overflow-x: unset;overflow-y: unset;padding-top: 3px;padding-bottom: 1px;padding-left: 10px;padding-right: 10px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">基于代码执行查询数据库 <span style="border-bottom-color: rgb(239, 235, 233);align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: unset;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: solid;border-top-width: 1px;border-bottom-width: 36px;border-left-width: 1px;border-right-width: 20px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: transparent;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;color: rgb(0, 0, 0);display: inline-block;font-size: 16px;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;letter-spacing: 0px;line-height: 1.1em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"> </h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002055" data-ratio="0.17966903073286053" src="/upload/3e3b0aa39d3fdb7bd14ab5e02cb9fc5d.png" data-type="png" data-w="846" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">由于difysandbox的安全限制 <ul style="list-style-type: disc;margin-top: 8px;margin-bottom: 8px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 25px;padding-right: 0px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 不能访问文件系统 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 不能进行网络请求 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 不能执行操作系统级命令 </section></li> </ul> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">官方也有了对应的说明，见文档。 https://github.com/langgenius/dify-sandbox/blob/main/FAQ.mdss <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002057" data-ratio="0.4185185185185185" src="/upload/1a50c7c801f257ca0805ba96e007008e.png" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <ul style="list-style-type: disc;margin-top: 8px;margin-bottom: 8px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 25px;padding-right: 0px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 官方已经告诉我们沙箱里添加了哪些权限 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> 如果我们要添加可以在哪里添加 </section></li> </ul> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: block;"> difysandbox源码修改 </h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><code style="">一定要使用linux环境</code>、<code style="">一定要使用linux环境</code><code style="">一定要使用linux环境</code> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">我从github上拉下代码以后，搜索``syscalls_amd64.go <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><img class="rich_pages wxw-img" data-imgfileid="100002054" data-ratio="1.1728045325779037" src="/upload/daff2892cc7a06c7c513c8d74d09ad65.png" data-type="png" data-w="353" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;">一共有4个文件， <ul style="list-style-type: disc;margin-top: 8px;margin-bottom: 8px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 25px;padding-right: 0px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> nodejs的系统调用，有amd和arm平台 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> python的系统，也是有amd和arm平台 </section></li> </ul> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">我用python，不是arm架构的，镜像都是linux的。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">我们直接问kimi即可。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><img class="rich_pages wxw-img" data-imgfileid="100002058" data-ratio="0.9722955145118733" src="/upload/5c3707bbcf520ed422d030fe7119f5fd.png" data-type="png" data-w="758" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;">ps:这个问题丢给了ds和chatgpt都是瞎回答 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><img src="/upload/265a37396bf1b9dd73e3ba77eedb923c.png" class="rich_pages wxw-img" data-ratio="0.9399477806788512" data-type="png" data-w="766" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;" data-imgfileid="100002061">一步步的问kimi，最后告诉我要添加哪些。整理以后添加到代码里。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg k0ue4mipavick8hqialiakg2tb1ebnwq3bs1gdsusaaoialugirysdnk19v5ftbvraq0mgzeeyoukk6rprqxtrmqfohj0o9toqm8 640?wx_fmt="svg&from=appmsg");""> <code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">var ALLOW_SYSCALLS = []int{       // file io       syscall.SYS_NEWFSTATAT, syscall.SYS_IOCTL, syscall.SYS_LSEEK, syscall.SYS_GETDENTS64,       syscall.SYS_WRITE, syscall.SYS_CLOSE, syscall.SYS_OPENAT, syscall.SYS_READ,       // thread       syscall.SYS_FUTEX,       // memory       syscall.SYS_MMAP, syscall.SYS_BRK, syscall.SYS_MPROTECT, syscall.SYS_MUNMAP, syscall.SYS_RT_SIGRETURN,       syscall.SYS_MREMAP,       // user/group       syscall.SYS_SETUID, syscall.SYS_SETGID, syscall.SYS_GETUID,       // process       syscall.SYS_GETPID, syscall.SYS_GETPPID, syscall.SYS_GETTID,       syscall.SYS_EXIT, syscall.SYS_EXIT_GROUP,       syscall.SYS_TGKILL, syscall.SYS_RT_SIGACTION, syscall.SYS_IOCTL,       syscall.SYS_SCHED_YIELD,       syscall.SYS_SET_ROBUST_LIST, syscall.SYS_GET_ROBUST_LIST, SYS_RSEQ,       // time       syscall.SYS_CLOCK_GETTIME, syscall.SYS_GETTIMEOFDAY, syscall.SYS_NANOSLEEP,       syscall.SYS_EPOLL_CREATE1,       syscall.SYS_EPOLL_CTL, syscall.SYS_CLOCK_NANOSLEEP, syscall.SYS_PSELECT6,       syscall.SYS_TIME,       syscall.SYS_RT_SIGPROCMASK, syscall.SYS_SIGALTSTACK, SYS_GETRANDOM,       //新增       5, 6, 7, 21, 41, 42, 44, 45, 51, 54, 55, 107, 137, 204, 281,   } </code></pre> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: block;"> 预装mysql操作包 </h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">既然我们要操作在沙箱里操作mysql，那我们得在对应的环境中预装下mysql客户端。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><img class="rich_pages wxw-img" data-imgfileid="100002064" data-ratio="0.706766917293233" src="/upload/601dcfc70abb6ade8782657731a4556a.png" data-type="png" data-w="1064" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;">在<code style="">1</code>对应的文件中添加<code style="">2</code>对应的<code style="">pymysql==1.1.1</code>，我直接安装最新版。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在readme中有操作步骤 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg k0ue4mipavick8hqialiakg2tb1ebnwq3bs1gdsusaaoialugirysdnk19v5ftbvraq0mgzeeyoukk6rprqxtrmqfohj0o9toqm8 640?wx_fmt="svg&from=appmsg");""> <code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">### Steps 1. Clone the repository using `git clone https://github.com/langgenius/dify-sandbox` and navigate to the project directory. 2. Run ./install.sh to install the necessary dependencies. 3. Run ./build/build_[amd64|arm64].sh to build the sandbox binary. 4. Run ./main to start the server. </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">编译成功以后，打包镜像。因为我没有环境，直接模拟了下<code style="">创建了一个main和env</code>目录 <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002063" data-ratio="0.25092592592592594" src="/upload/2c6c9fc318eb9835e7b75c0cb353ec6e.png" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">然后模拟打包镜像。在根目录中执行下面的命令 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg k0ue4mipavick8hqialiakg2tb1ebnwq3bs1gdsusaaoialugirysdnk19v5ftbvraq0mgzeeyoukk6rprqxtrmqfohj0o9toqm8 640?wx_fmt="svg&from=appmsg");""> <code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">docker build -f docker/amd64/dockerfile -t dify-sandbox:local . </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">我在win上打包报了一堆错，都扔给kimi，一步步的解决。最后成功。 <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/80a1f735e6cb139395c0b044856d9281.png" class="rich_pages wxw-img" data-ratio="0.1616052060737527" data-type="png" data-w="922" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100002062"> </figure> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: block;"> 沙箱网咯策略配置 </h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在我们的安装dify的的时候，有个<code style="">dify/docker/ssrf_proxy</code>目录，找到<code style="">squid.conf.template</code> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100002060" data-ratio="0.3333333333333333" src="/upload/b7238683d106b749dc7b5c347c23293f.png" data-type="png" data-w="537" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在这里，你可以设置允许访问的网络，允许访问的端口，<code style="">生产一定要最小权限</code> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg k0ue4mipavick8hqialiakg2tb1ebnwq3bs1gdsusaaoialugirysdnk19v5ftbvraq0mgzeeyoukk6rprqxtrmqfohj0o9toqm8 640?wx_fmt="svg&from=appmsg");""> <code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">acl devnet src 10.1.0.0/24 acl devnet src 10.255.200.0/24 acl Safe_ports port 3306        # MySQL acl Safe_ports port 5432        # Postgres acl Safe_ports port 27017       # MongoDB acl Safe_ports port 6379        # Redis http_access allow devnet </code></pre> <ul style="list-style-type: disc;margin-top: 8px;margin-bottom: 8px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 25px;padding-right: 0px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> <code style="">devnet</code> 为定义的规则集名称，后面跟自己的ip段设置，表示：<code style="">10.255.200.1</code> 到 <code style="">10.255.200.254</code>-<code style="">acl Safe_ports port</code> 允许访问的端口 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> <code style="">http_access allow devnet</code> 允许访问的规则集 </section></li> </ul> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: block;"> 重新部署dify </h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在dify的的docker目录中修改<code style="">docker-compose.yaml</code>文件sandbox使用本地镜像。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg k0ue4mipavick8hqialiakg2tb1ebnwq3bs1gdsusaaoialugirysdnk19v5ftbvraq0mgzeeyoukk6rprqxtrmqfohj0o9toqm8 640?wx_fmt="svg&from=appmsg");""> <code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">  sandbox:     #image: langgenius/dify-sandbox:0.2.10     image: dify-sandbox:local     restart: always     environment: </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">将<code style="">image</code>由<code style="">langgenius/dify-sandbox:0.2.10</code> 改为了<code style="">dify-sandbox:local</code> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在docker目录下执行以下命令 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg k0ue4mipavick8hqialiakg2tb1ebnwq3bs1gdsusaaoialugirysdnk19v5ftbvraq0mgzeeyoukk6rprqxtrmqfohj0o9toqm8 640?wx_fmt="svg&from=appmsg");""> <code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 销毁 docker compose down # 重新部署 docker compose up -d </code></pre> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: block;"> 脚本 </h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">使用kimi生成了一个python代码 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg k0ue4mipavick8hqialiakg2tb1ebnwq3bs1gdsusaaoialugirysdnk19v5ftbvraq0mgzeeyoukk6rprqxtrmqfohj0o9toqm8 640?wx_fmt="svg&from=appmsg");""> <code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">import sys import pymysql import os def connect_to_database():     """ 连接到数据库，配置都从环境变量里取 """     try:         # 从环境变量或配置文件中获取数据库参数         host = os.getenv("DB_HOST", "localhost")         user = os.getenv("DB_USER", "root")         password = os.getenv("DB_PASSWORD", "password")         database = os.getenv("DB_NAME", "database_name")                  conn = pymysql.connect(             host=host,             user=user,             password=password,             database=database,             charset='utf8mb4',             cursorclass=pymysql.cursors.DictCursor  # 使用字典游标         )         return conn     except pymysql.MySQLError as err:         print(f"Error connecting to database: {err}")         returnNone def execute_query(conn, query, params=None):     """ 执行 SQL 查询，并支持参数化查询 """     cursor = conn.cursor()     try:         if params:             cursor.execute(query, params)         else:             cursor.execute(query)         return cursor.fetchall()     except pymysql.MySQLError as err:         print(f"Error executing query: {err}")         returnNone     finally:         cursor.close() def generate_markdown_table(results):     """ 生成 Markdown 表格 """     ifnot results:         return""     # 获取列名     columns = results[0].keys()          # 表头     table_md = "| " + " | ".join([col for col in columns]) + " |\n"     # 分隔线     table_md += "| " + " --- |" * len(columns) + "\n"          # 表格内容     for row in results:         table_md += "| " + " | ".join([str(cell) for cell in row.values()]) + " |\n"          return table_md def main(arg1: str) -> dict:     # 参数化查询，避免 SQL 注入     query = "SELECT * FROM table_name WHERE column LIKE %s"     params = ('%' + arg1 + '%',)          # 连接到数据库     conn = connect_to_database()     ifnot conn:         sys.exit(1)          try:         # 执行查询         result = execute_query(conn, query, params)                  if result isNone:             return {"result": [], "markdown": ""}                  # 生成 Markdown 表格         markdown_table = generate_markdown_table(result)                  return {             "result": result,             "markdown": markdown_table         }     except Exception as e:         print(f"Unexpected error: {e}")         return {"result": [], "markdown": ""}     finally:         # 确保数据库连接关闭         conn.close() </code></pre> <h2 data-tool="mdnice编辑器" style="border-bottom-color: rgb(239, 112, 96);margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: unset;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 2px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.1em;overflow-x: unset;overflow-y: unset;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"> <span style="font-size: 22px;color: rgb(255, 255, 255);background-color: rgb(239, 112, 96);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 3px;border-top-right-radius: 3px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 5px;overflow-x: unset;overflow-y: unset;padding-top: 3px;padding-bottom: 1px;padding-left: 10px;padding-right: 10px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">后记 <span style="border-bottom-color: rgb(239, 235, 233);align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: unset;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: solid;border-top-width: 1px;border-bottom-width: 36px;border-left-width: 1px;border-right-width: 20px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: transparent;border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;color: rgb(0, 0, 0);display: inline-block;font-size: 16px;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;letter-spacing: 0px;line-height: 1.1em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"> </h2> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这两种方式，不管哪种都能实现查询数据库，但是有个问题，数据量小的时候性能还行，数据量大了，你查询一次就得耗时好久。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">如果知识固定，也可以前置设置一个知识库把关键词和文章映射出来，这样大模型整理的时候，尽量的去往对应的关键词上靠。 </section>

RAG检索增强之ReRank(重新排序)模型

作者：微信小助手

<h1 data-track="2" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">了解ReRank模型前先回顾一下RAG的流程</h1> <h1 data-track="2" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []"><img src="/upload/d47a84c048271ead6f70f7d5e5f5b49f.png" alt="在这里插入图片描述" class="rich_pages wxw-img" data-ratio="0.6324074074074074" data-type="png" data-w="1080" data-imgfileid="100001567"></h1> <h1 data-track="2" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">什么是Rerank模型？</h1> <p data-track="3" style="box-sizing: border-box;margin: 20px 0px;padding: 0px;border: 0px;color: rgb(34, 34, 34);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-size: 18px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;>       Rerank模型是一种用于优化信息检索结果排序的机器学习模型，通过精细化评估文档与查询的相关性，提升最终结果的准确性和语义匹配度。以下是其核心要点： <section> 定义与定位 </section> <section>       属于重排序算法，作用于初步检索（如关键词匹配或向量相似度检索）之后，对候选文档进行二次筛选和排序。在RAG（检索增强生成）流程中，与Embedding模型配合使用，形成“粗筛+精排”的协同机制。 </section> <section> 核心作用 </section> <ul style="list-style-type: disc;" class="list-paddingleft-1"> <li> <section> <span leaf="" data-pm-slice="1 1 [" para,null,node,{tagname:span,attributes:{style:box-sizing: border-box; margin: 0px; padding: border: color: rgb(51, 51, 51); --tt-darkmode-color: #a3a3a3;},namespaceuri:http: www.w3.org 1999 xhtml}]>解决初步检索的局限性：弥补传统检索方法（如倒排索引或Embedding相似度计算）在语义理解深度上的不足。 </section></li> <li> <section> <span leaf="" data-pm-slice="1 1 [" para,null,node,{tagname:span,attributes:{style:box-sizing: border-box; margin: 0px; padding: border: color: rgb(51, 51, 51); --tt-darkmode-color: #a3a3a3;},namespaceuri:http: www.w3.org 1999 xhtml}]>提升结果质量：通过多维度评估（如语义一致性、上下文关联性）对文档重新打分，确保高相关性的内容优先展示。 </section> <section> </section></li> </ul> <section> 工作原理 </section> <ul style="list-style-type: disc;" class="list-paddingleft-1"> <li> <section> <span leaf="" data-pm-slice="1 1 [" para,null,node,{tagname:span,attributes:{style:box-sizing: border-box; margin: 0px; padding: border: color: rgb(51, 51, 51); --tt-darkmode-color: #a3a3a3;},namespaceuri:http: www.w3.org 1999 xhtml}]>监督学习训练：基于大量正确与不正确的查询-文档对，模型学习最大化正确对的分数、最小化错误对的分数。 </section></li> <li> <section> <span leaf="" data-pm-slice="1 1 [" para,null,node,{tagname:span,attributes:{style:box-sizing: border-box; margin: 0px; padding: border: color: rgb(51, 51, 51); --tt-darkmode-color: #a3a3a3;},namespaceuri:http: www.w3.org 1999 xhtml}]>相关性评分：输入查询和文档，直接输出两者的匹配分数，并依此排序。 </section> <section> </section></li> </ul> <section> 典型应用场景 </section> <ul style="list-style-type: disc;" class="list-paddingleft-1"> <li> <section> RAG系统：优化检索文档的排序，提升大模型生成回答的准确性。 </section></li> <li> <section> 搜索引擎/推荐系统：精细化调整结果顺序，增强用户满意度。 </section></li> </ul> <h1 data-track="279" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">排序的关键维度</h1> <h1 data-track="280" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">语义相关性</h1> <pre style="box-sizing: border-box;font-family: Monaco;font-size: 18px;margin: 20px 0px;padding: 15px;border: 0px;background: rgb(250, 250, 250);white-space: pre-wrap;word-break: break-all;display: block;overflow-x: auto;border-radius: 3px;text-align: left;color: rgb(34, 34, 34);box-shadow: rgba(216, 216, 216, 0.5) 0px 0px 0px 1px inset;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;"><code style="white-space:pre-wrap;box-sizing: border-box;font-family: inherit;font-size: 14px;margin: 0px;padding: 0px;border: 0px;overflow-wrap: normal;word-break: normal;overflow-x: auto;line-height: 24px;"># 用户问题："糖尿病患者的饮食禁忌有哪些？" 候选文档1：详细列举12种糖尿病饮食禁忌（相关度高） 候选文档2：讲解胰岛素注射方法（相关度低）</code></pre> <h1 data-track="282" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">时效性权重</h1> <pre style="box-sizing: border-box;font-family: Monaco;font-size: 18px;margin: 20px 0px;padding: 15px;border: 0px;background: rgb(250, 250, 250);white-space: pre-wrap;word-break: break-all;display: block;overflow-x: auto;border-radius: 3px;text-align: left;color: rgb(34, 34, 34);box-shadow: rgba(216, 216, 216, 0.5) 0px 0px 0px 1px inset;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;"><code style="white-space:pre-wrap;box-sizing: border-box;font-family: inherit;font-size: 14px;margin: 0px;padding: 0px;border: 0px;overflow-wrap: normal;word-break: normal;overflow-x: auto;line-height: 24px;">文档A：2023年《中国糖尿病防治指南》（权重+20%） 文档B：2010年某医院内部资料（权重-30%）</code></pre> <h1 data-track="286" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">多样性控制</h1> <pre style="box-sizing: border-box;font-family: Monaco;font-size: 18px;margin: 20px 0px;padding: 15px;border: 0px;background: rgb(250, 250, 250);white-space: pre-wrap;word-break: break-all;display: block;overflow-x: auto;border-radius: 3px;text-align: left;color: rgb(34, 34, 34);box-shadow: rgba(216, 216, 216, 0.5) 0px 0px 0px 1px inset;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;"><code style="white-space:pre-wrap;box-sizing: border-box;font-family: inherit;font-size: 14px;margin: 0px;padding: 0px;border: 0px;overflow-wrap: normal;word-break: normal;overflow-x: auto;line-height: 24px;">避免返回3篇都讲"糖分控制"的文章 保留1篇"运动管理"的补充内容</code></pre> <h1 data-track="119" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">排序面临的挑战</h1> <section> <img src="/upload/8577432d63a64c2377780254be5599e7.jpg" class="rich_pages wxw-img" data-ratio="0.8481481481481481" data-type="jpeg" data-w="1080" data-imgfileid="100001565"> </section> 长尾问题 <section class="code-snippet__fix code-snippet__js"> <ul class="code-snippet__line-index code-snippet__js"> </ul> <pre class="code-snippet__js" data-lang=""><code>用户提问：“如何训练导盲犬AI机器人？” </code><code>检索结果：前10篇：通用机器人训练方法（未命中） </code><code>          仅1篇：《基于多模态感知的导盲犬机器人训练指南》（命中但排名靠后）</code></pre> </section> 解决策略： <section class="code-snippet__fix code-snippet__js"> <ul class="code-snippet__line-index code-snippet__js"> </ul> <pre class="code-snippet__js" data-lang="javascript"><code>数据增强：合成"导盲犬+机器人"的伪数据微调模型</code><code>混合检索：结合关键词（“导盲犬”+“AI”）与语义检索</code><code>主动学习：标注低置信度结果，迭代优化模型</code></pre> </section> <h1 data-track="290" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">语义鸿沟</h1> <section class="code-snippet__fix code-snippet__js"> <ul class="code-snippet__line-index code-snippet__js"> </ul> <pre class="code-snippet__js" data-lang="makefile"><code>用户问:“手机发热严重怎么降温?</code><code>检索结果：《移动设备SoC功耗管理与散热优化方案》（语义相关)</code><code>         《智能手机电池保养技巧》（字面相关但非核心）</code></pre> </section> <h1 data-track="290" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">解决策略：</h1> <section class="code-snippet__fix code-snippet__js"> <ul class="code-snippet__line-index code-snippet__js"> </ul> <pre class="code-snippet__js" data-lang="javascript"><code>1. 查询扩展：用LLM生成同义表述（如"发热"→"散热"、“降温"→"温度控制”） </code><code>2. 上下文增强：提取文档中"发热"相关段落提升权重 </code><code>3. 用户反馈：记录用户最终点击的文档，反向优化模型</code></pre> </section> <section> <span data-lark-record-data="{" rootid:mqlddkkfaoarumxq5ljcpyi6nuf,text:{initialattributedtexts:{text:{0:文档标题： ◦ 《移动设备soc功耗管理与散热优化方案》（语义相关）《智能手机电池保养技巧》（字面相关但非核心）},attribs:{0:*0+1n}},apool:{numtoattrib:{0:[author,7480500817733943298]},nextnum:1}},type:text,referencerecordmap:{},extra:{channel:saas,isequalblockselection:false,pasterandomid:ff8946af-a32f-44e1-8702-5831e87eca76,mention_page_title:{},external_mention_url:{}},iskeepquotecontainer:false,isfromcode:false,selection:[{id:69,type:text,selection:{start:477,end:536},recordid:rddldkhonovtizxkww7cmlhunvh}],payloadmap:{lingoclipboardpayload:{spacesubextrainfo:[{spacesubid:rddldkhonovtizxkww7cmlhunvh,word:soc}],spaceid:mqlddkkfaoarumxq5ljcpyi6nuf,spacetype:1}},iscut:false} data-lark-record-format="docx/text"> </section> <h1 data-track="292" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">多语言混合</h1> <section class="code-snippet__fix code-snippet__js"> <ul class="code-snippet__line-index code-snippet__js"> </ul> <pre class="code-snippet__js" data-lang=""><code>中文提问：“量子纠缠的实际应用有哪些？</code><code>检索结果：中文文档：《里子通信技术白皮书》（匹配度一般）</code><code>          英文论文：《Quantum Entanglement inCommercial Systems》(Nature 2023,高相关)</code></pre> </section> 解决策略： <section class="code-snippet__fix code-snippet__js"> <ul class="code-snippet__line-index code-snippet__js"> </ul> <pre class="code-snippet__js" data-lang="markdown"><code>1. 实时翻译对齐：将英文论文摘要翻译后参与排序 </code><code>2. 跨语言模型：使用mBERT等模型直接计算中英文相似度 </code><code>3. 多语言标签：为文档添加语言/领域元数据辅助过滤</code></pre> </section> <section> <span data-lark-record-data="{" rootid:mqlddkkfaoarumxq5ljcpyi6nuf,text:{initialattributedtexts:{text:{0: 知识库内容： ◦ 中文文档：《量子通信技术白皮书》（匹配度一般）英文论文：《quantum entanglement in commercial systems》(nature 2023, 高相关）},attribs:{0:*0+2v}},apool:{numtoattrib:{0:[author,7480500817733943298]},nextnum:1}},type:text,referencerecordmap:{},extra:{channel:saas,isequalblockselection:false,pasterandomid:d6132f08-ab71-4830-b5f9-0d88539e73b9,mention_page_title:{},external_mention_url:{}},iskeepquotecontainer:false,isfromcode:false,selection:[{id:69,type:text,selection:{start:676,end:779},recordid:rddldkhonovtizxkww7cmlhunvh}],payloadmap:{},iscut:false} data-lark-record-format="docx/text"> </section> <h1 data-track="294" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">计算效率</h1> <section class="code-snippet__fix code-snippet__js"> <ul class="code-snippet__line-index code-snippet__js"> </ul> <pre class="code-snippet__js" data-lang="javascript"><code>数据规模：100万篇医疗文献库</code><code>查询需求：实时返回"阿尔茨海默症新药研发进展"Top5结果（<500ms）</code></pre> </section> <h1 data-track="294" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">解决策略：</h1> <section class="code-snippet__fix code-snippet__js"> <ul class="code-snippet__line-index code-snippet__js"> </ul> <pre class="code-snippet__js" data-lang="markdown"><code>1. 两阶段排序： </code><code>    第一阶段：BM25快速筛选1000篇（耗时50ms） </code><code>    第二阶段：Reranker精排Top100（耗时400ms）   </code><code>2. 模型蒸馏：将BERT-large蒸馏为Tiny版，速度提升5倍 </code><code>3. 硬件加速：使用TensorRT部署模型，GPU推理吞吐量提升10倍</code></pre> </section> <section> <span data-lark-record-data="{" rootid:mqlddkkfaoarumxq5ljcpyi6nuf,text:{initialattributedtexts:{text:{0:数据规模：100万篇医疗文献库 • 查询需求：实时返回\阿尔茨海默症新药研发进展\top5结果（<500ms）},attribs:{0:*0+1j}},apool:{numtoattrib:{0:[author,7480500817733943298]},nextnum:1}},type:text,referencerecordmap:{},extra:{channel:saas,isequalblockselection:false,pasterandomid:632f18ae-3ccb-4633-b8dd-75d5b07a7de9,mention_page_title:{},external_mention_url:{}},iskeepquotecontainer:false,isfromcode:false,selection:[{id:69,type:text,selection:{start:881,end:936},recordid:rddldkhonovtizxkww7cmlhunvh}],payloadmap:{lingoclipboardpayload:{spacesubextrainfo:[{spacesubid:rddldkhonovtizxkww7cmlhunvh,word:ms}],spaceid:mqlddkkfaoarumxq5ljcpyi6nuf,spacetype:1}},iscut:false} data-lark-record-format="docx/text"> </section> <h1 data-track="119" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">主流模型选型</h1> <table style="box-sizing: border-box;margin: 0px auto;padding: 0px;border-collapse: collapse;border-spacing: 0px;border: 0px;table-layout: fixed;word-break: normal;color: rgb(34, 34, 34);min-width: 168px;"> <tbody> <tr style="box-sizing: border-box;margin: 0px;padding: 0px;border: 0px;"> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">模型</td> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">特点</td> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">性能优势</td> </tr> <tr style="box-sizing: border-box;margin: 0px;padding: 0px;border: 0px;"> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">BGE ReRanker</td> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">支持多语言</td> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">多语言场景、高精度需求</td> </tr> <tr style="box-sizing: border-box;margin: 0px;padding: 0px;border: 0px;"> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">Jina Reranker</td> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">8k上下文支持</td> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">长文本排序、低延迟场景</td> </tr> <tr style="box-sizing: border-box;margin: 0px;padding: 0px;border: 0px;"> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">BCE-Reranker</td> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">网易有道开源，中英跨语言优化</td> <td style="box-sizing: border-box;margin: 0px;padding: 8px 12px;border: 1px solid rgb(232, 232, 232);vertical-align: top;font-weight: 400;text-align: left;font-size: 16px;line-height: 28px;min-height: 44px;">中英混合场景、高召回率需求</td> </tr> </tbody> </table> <h1 data-track="232" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">完整排序流程示例</h1> <p data-track="240" style="box-sizing: border-box;margin: 20px 0px;padding: 0px;border: 0px;color: rgb(34, 34, 34);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-size: 18px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;>用户问题："美联储加息对A股的影响" <ol style="box-sizing: border-box;margin: 20px 30px;padding: 0px;border: 0px;counter-reset: ol_list 0;color: rgb(34, 34, 34);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-size: 18px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; class="list-paddingleft-1"> <li style="box-sizing: border-box;margin: 0px;padding: 0px;list-style: decimal;border: 0px;"> <section> 初步检索（Retriever）： </section></li> </ol> <pre style="box-sizing: border-box;font-family: Monaco;font-size: 18px;margin: 20px 0px;padding: 15px;border: 0px;background: rgb(250, 250, 250);white-space: pre-wrap;word-break: break-all;display: block;overflow-x: auto;border-radius: 3px;text-align: left;color: rgb(34, 34, 34);box-shadow: rgba(216, 216, 216, 0.5) 0px 0px 0px 1px inset;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;"><code style="white-space:pre-wrap;box-sizing: border-box;font-family: inherit;font-size: 14px;margin: 0px;padding: 0px;border: 0px;overflow-wrap: normal;word-break: normal;overflow-x: auto;line-height: 24px;">返回50篇文档： - 10篇关于美国货币政策 - 15篇A股市场分析 - 20篇历史加息案例 - 5篇无关内容 </code></pre> <section> 2. Reranker工作流： </section> <pre style="box-sizing: border-box;font-family: Monaco;font-size: 18px;margin: 20px 0px;padding: 15px;border: 0px;background: rgb(250, 250, 250);white-space: pre-wrap;word-break: break-all;display: block;overflow-x: auto;border-radius: 3px;text-align: left;color: rgb(34, 34, 34);box-shadow: rgba(216, 216, 216, 0.5) 0px 0px 0px 1px inset;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;"><code style="white-space:pre-wrap;box-sizing: border-box;font-family: inherit;font-size: 14px;margin: 0px;padding: 0px;border: 0px;overflow-wrap: normal;word-break: normal;overflow-x: auto;line-height: 24px;">for 文档in50篇:     计算语义相关性（BERT模型）→得分0.6-0.95     叠加时效性权重（2023年文档×1.2）     扣除低权威惩罚（自媒体文章×0.7）     最终得分=语义分×时效权重×权威系数 排序后Top3： 1.《2023年美联储政策与新兴市场联动分析》（0.94） 2.《跨境资本流动对A股的影响机制》（0.91） 3. 《历史六轮加息周期中的板块表现》（0.89）</code></pre> <h1 data-track="107" style="box-sizing: border-box;font-size: 1.056em;margin: 20px 0px;padding: 0px;font-weight: 700;border: 0px;line-height: 1.579;color: rgb(0, 0, 0);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial; data-pm-slice="0 0 []">Reranker本质</h1> <p data-track="107" style="box-sizing: border-box;margin: 20px 0px;padding: 0px;border: 0px;color: rgb(34, 34, 34);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-size: 18px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;>       Reranker是知识库的"智能质检员"，假设你在图书馆找书，先用关键词检索到100本书，但需要找出最相关的3本才行。 <p data-track="278" style="box-sizing: border-box;margin: 20px 0px;padding: 0px;border: 0px;color: rgb(34, 34, 34);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-size: 18px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;><span leaf="" data-pm-slice="1 1 [" para,{tagname:p,attributes:{data-track:107,style:box-sizing: border-box; margin: 20px 0px; padding: border: color: rgb(34, 34, 34); font-family: \pingfang sc\, \hiragino sans gb\, \microsoft yahei\, \wenquanyi micro hei\, \helvetica neue\, arial, sans-serif; font-size: 18px; font-style: normal; font-variant-ligatures: font-variant-caps: font-weight: 400; letter-spacing: orphans: 2; text-align: justify; text-indent: text-transform: none; widows: word-spacing: -webkit-text-stroke-width: white-space: background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: text-decoration-color: initial;},namespaceuri:http: www.w3.org 1999 xhtml}]>       图书管理员（Reranker）会综合评估书籍内容、出版时间、作者权威性等维度进行二次筛选。 <p data-track="277" style="box-sizing: border-box;margin: 20px 0px;padding: 0px;border: 0px;color: rgb(34, 34, 34);font-family: " pingfang sc, hiragino sans gb, microsoft yahei, wenquanyi micro hei, helvetica neue, arial, sans-serif;font-size: 18px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: justify;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;white-space: normal;background-color: rgb(255, 255, 255);text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;><span leaf="" data-pm-slice="1 1 [" para,{tagname:p,attributes:{data-track:107,style:box-sizing: border-box; margin: 20px 0px; padding: border: color: rgb(34, 34, 34); font-family: \pingfang sc\, \hiragino sans gb\, \microsoft yahei\, \wenquanyi micro hei\, \helvetica neue\, arial, sans-serif; font-size: 18px; font-style: normal; font-variant-ligatures: font-variant-caps: font-weight: 400; letter-spacing: orphans: 2; text-align: justify; text-indent: text-transform: none; widows: word-spacing: -webkit-text-stroke-width: white-space: background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: text-decoration-color: initial;},namespaceuri:http: www.w3.org 1999 xhtml}]>       将检索到的候选文档（如100条）按照与问题的相关度重新排序，把最匹配的结果提升到Top位置。       Reranker模型是RAG系统中的智能排序引擎，在知识库检索流程中承担着关键的优化角色。它通过多维度智能分析，对初步检索结果进行精细化处理，将最符合用户真实需求的信息精准呈现在前列。       不同于初检阶段的粗粒度筛选，Reranker会综合评估语义相关度（如问题与内容的深层匹配）、时效性（优先最新资料）、权威性（区分专家论述与普通观点）以及内容完整性（覆盖关键要素的程度）等多个核心维度，通过算法加权计算出每个结果的最终排序得分。       在企业级应用中，这种智能排序机制有效解决了传统检索中面临的长尾问题、语义鸿沟等挑战，大幅提升了知识库的可用性和准确性，是确保专业用户获得高价值信息的关键技术保障。

18种RAG技术大比拼：谁才是检索增强生成的最佳选择？

作者：微信小助手

<section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="margin-bottom: 0px;padding-left: 10px;padding-right: 10px;background-attachment: scroll;background-clip: border-box;background-image: linear-gradient(90deg, rgba(50, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0) 6.76%), linear-gradient(360deg, rgba(50, 0, 0, 0.05) 0%, rgba(249, 247, 252, 0) 9.46%);background-origin: padding-box;background-position: 0% 0%;background-repeat: repeat, repeat;background-size: 20px 20px, 20px 20px;width: auto;font-family: Optima, " microsoft yahei, pingfangsc-regular, serif;font-size: 16px;color: rgb(0, 0, 0);line-height: 1.5em;word-spacing: 0em;letter-spacing: 0em;word-break: break-word;text-align: left; data-pm-slice="0 0 []"> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="padding-left: 3px;padding-right: 3px;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position: 0% 0%;background-repeat: no-repeat;background-size: auto;width: auto;font-family: PingFangSC-regular, sans-serif;line-height: 1.5em;word-spacing: 0em;letter-spacing: 0em;word-break: break-word;"> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> </figure> <section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 3px;padding-right: 3px;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;font-family: PingFangSC-regular, sans-serif;font-size: 16px;color: rgb(0, 0, 0);line-height: 1.5em;word-spacing: 0em;letter-spacing: 0em;word-break: break-word;overflow-wrap: break-word;text-align: left;" data-pm-slice="0 0 []"> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/92669e7a0436457d32c945ea1130081d.png" class="rich_pages wxw-img" data-ratio="0.6" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006382"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在当今信息爆炸的时代，如何从海量数据中快速准确地获取所需信息，是人工智能领域的一大挑战。Retrieval-Augmented Generation（RAG，检索增强生成）技术应运而生，它结合了检索和生成的优势，通过从大量文档中检索相关信息，再利用这些信息生成高质量的回答。然而，RAG 的实现方式多种多样，不同的技术路径有着不同的优势和局限。今天，我们就来深入探讨一下这些 RAG 技术，看看谁才是真正的“最佳选手”。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">1. Simple RAG：基础而不失经典</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/eb4ffebdfc5ca69ff8685c64fea880a4.png" class="rich_pages wxw-img" data-ratio="0.33714285714285713" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006381"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在探索各种复杂的 RAG 技术之前，我们先从最简单的 RAG 方法说起。**简单 RAG **的工作流程非常直观：从 PDF 文档中提取文本，将其分割成小块（chunks），将这些文本块转换为数值化的嵌入向量（embeddings），根据查询（query）搜索最相关的文本块，最后利用检索到的文本块生成回答。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 定义 PDF 文件路径 pdf_path = "data/AI_information.pdf" # 提取文本并分割成文本块 extracted_text = extract_text_from_pdf(pdf_path) text_chunks = chunk_text(extracted_text, chunk_size=1000, overlap=200) # 打印文本块数量 print("Number of text chunks:", len(text_chunks)) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法虽然简单，但却为后续更复杂的技术奠定了基础。它就像是一个“新手村”，让我们能够初步了解 RAG 的工作原理。然而，简单 RAG 也有它的局限性。由于文本块是按照固定大小分割的，可能会导致一些句子被拆分开，或者将不相关的句子组合在一起，从而影响检索的准确性。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2. Semantic Chunking语义分块：让文本块更有意义</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/257fc429af0834315b95bc9b4a4412f7.png" class="rich_pages wxw-img" data-ratio="0.3842857142857143" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006380"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">为了解决简单 RAG 中文本块分割不够合理的问题，<strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">语义分块（Semantic Chunking）应运而生。与简单 RAG 不同，语义分块不再是按照固定大小来分割文本，而是尝试根据文本的语义来划分，将语义相关的句子组合在一起形成文本块。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 将提取的文本分割成句子 sentences = extracted_text.split(". ") # 为每个句子生成嵌入向量 embeddings = [get_embedding(sentence) for sentence in sentences] # 计算连续句子之间的相似度 similarities = [cosine_similarity(embeddings[i], embeddings[i + 1]) for i in range(len(embeddings) - 1)] # 使用百分位法计算断点 breakpoints = compute_breakpoints(similarities, method="percentile", threshold=90) # 根据断点将句子分组成语义块 text_chunks = split_into_chunks(sentences, breakpoints) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法听起来很完美，但在实际测试中，它的表现却不尽如人意。语义分块的评分甚至低于简单 RAG，这说明仅仅改变文本块的分割策略，并不能保证检索效果的提升。这也提醒我们，技术的改进并非一蹴而就，需要更多的思考和尝试。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">3. 上下文增强检索：邻居也能提供帮助</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/d3fb570dca54bcbfc3060bc62cee0e05.png" class="rich_pages wxw-img" data-ratio="0.2985714285714286" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006379"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">既然语义分块没有达到预期的效果，我们不妨换个思路。简单 RAG 的问题在于文本块过于孤立，缺乏上下文信息。那么，如果我们能够为每个文本块添加一些上下文信息，是不是就能提高检索的准确性呢？<strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">上下文增强检索（Context Enriched Retrieval）正是基于这样的想法。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 定义上下文增强检索函数 def context_enriched_search(query, text_chunks, embeddings, k=1, context_size=1):     query_embedding = create_embeddings(query).data[0].embedding     similarity_scores = []     for i, chunk_embedding in enumerate(embeddings):         similarity_score = cosine_similarity(np.array(query_embedding), np.array(chunk_embedding.embedding))         similarity_scores.append((i, similarity_score))     similarity_scores.sort(key=lambda x: x[1], reverse=True)     top_index = similarity_scores[0][0]     start = max(0, top_index - context_size)     end = min(len(text_chunks), top_index + context_size + 1)     return [text_chunks[i] for i in range(start, end)] </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在上下文增强检索中，我们不仅检索与查询最相关的文本块，还会检索其周围的文本块作为上下文信息。这些“邻居”文本块能够为检索提供更多的背景信息，帮助生成更准确的回答。经过测试，上下文增强检索的评分达到了 0.6，相较于简单 RAG 和语义分块有了显著的提升。这表明，上下文信息在检索过程中确实起到了关键作用。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">4. 上下文块头：给文本块加上“标签”</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/60342a9ccdaae79f804d5568a2fcf27a.png" class="rich_pages wxw-img" data-ratio="0.24285714285714285" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006378"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">上下文增强检索虽然有效，但仍然存在一个问题：即使有了上下文信息，文本块本身可能仍然缺乏足够的语义信息。例如，一个文档可能包含多个主题，每个主题都对应着不同的文本块。在这种情况下，如何快速准确地找到与查询最相关的文本块呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">上下文块头（Contextual Chunk Headers）技术为我们提供了一个解决方案。它在每个文本块的前面添加了一个描述性的标题（header），这个标题就像是一个“标签”，能够概括文本块的主要内容。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 为每个文本块生成描述性标题 text_chunks_with_headers = chunk_text_with_headers(extracted_text, chunk_size=1000, overlap=200) # 打印一个样本以查看效果 print("Sample Chunk with Header:") print("Header:", text_chunks_with_headers[0]['header']) print("Content:", text_chunks_with_headers[0]['text']) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在检索过程中，系统不仅会考虑文本块的内容，还会参考其标题，从而更准确地找到与查询相关的文本块。经过测试，上下文块头的评分达到了 0.5，虽然没有上下文增强检索高，但也比简单 RAG 和语义分块有了明显的提升。这说明，通过给文本块添加标题，我们能够为检索提供更多的语义信息，从而提高检索的准确性。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">5. 文档增强：从文本块到问题</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/882d116dc45be0b2f072b1f49aa1efd6.png" class="rich_pages wxw-img" data-ratio="0.33285714285714285" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006383"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">上下文块头虽然能够提供更多的语义信息，但仍然存在局限性。在某些情况下，文本块的内容可能过于复杂，难以用一个简单的标题来概括。那么，有没有一种方法能够让文本块更容易被检索到呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">文档增强（Document Augmentation）技术为我们提供了一个新的思路。它不仅将文本块转换为嵌入向量，还会为每个文本块生成一些相关的问题，并将这些问题也转换为嵌入向量。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 处理文档，提取文本、创建文本块、生成问题并构建向量库 text_chunks, vector_store = process_document(     pdf_path,     chunk_size=1000,     chunk_overlap=200,     questions_per_chunk=3 ) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这样一来，在检索过程中，系统不仅能够匹配文本块的内容，还能够匹配与查询相关的问题，从而提高检索的准确性。经过测试，文档增强的评分达到了 0.8，这是一个非常高的分数，表明文档增强技术能够显著提高检索的准确性。这也说明，通过为文本块生成相关问题，我们能够为检索提供更多的入口，从而更容易找到与查询相关的文本块。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">6. 查询转换：让查询更“友好”</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/c50e221d17087dce22c9aab59c41bbaa.png" class="rich_pages wxw-img" data-ratio="0.39571428571428574" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006385"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略。然而，我们忽略了一个重要的因素：用户提出的查询可能并不总是能够很好地匹配文档中的内容，这可能会导致检索结果不准确。那么，有没有一种方法能够让查询更“友好”，更容易被检索到呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">查询转换（Query Transformation）技术为我们提供了一个解决方案。它通过三种不同的方法来改进查询：查询重写（Query Rewriting）、后退提示（Step-back Prompting）和子查询分解（Sub-query Decomposition）。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 查询重写 rewritten_query = rewrite_query(query) # 后退提示 step_back_query = generate_step_back_query(query) # 子查询分解 sub_queries = decompose_query(query, num_subqueries=4) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">查询重写是将查询变得更加具体和详细；后退提示是创建一个更广泛的查询，以检索有用的背景信息；子查询分解则是将一个复杂的查询分解为多个简单的子查询。经过测试，查询转换的评分达到了 0.5。虽然这个分数并不高，但它仍然表明查询转换技术在某些情况下能够提高检索的准确性。这也提醒我们，在 RAG 系统中，不仅需要关注文本块的表示和检索策略，还需要关注查询的质量。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">7. 重排序：让检索结果更有条理</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/b1549b8b3df0dc7398cc23cc3ca35bf5.png" class="rich_pages wxw-img" data-ratio="0.2957142857142857" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006386"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量。然而，我们忽略了一个重要的环节：检索结果的排序。简单相似性搜索通常会返回一组相关性和不相关性混杂的结果，这可能会导致生成的回答不够准确。那么，有没有一种方法能够让检索结果更有条理，更容易被利用呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">重排序（Reranker）技术为我们提供了一个解决方案。它在初始检索的基础上，通过一个额外的步骤对检索结果进行重新排序，将最相关的文本块放在最前面。重排序可以使用不同的方法，例如基于关键词的重排序或基于 LLM 的重排序。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 定义重排序函数 def rag_with_reranking(query, vector_store, reranking_method="llm", top_n=3, model="meta-llama/Llama-3.2-3B-Instruct"):     query_embedding = create_embeddings(query)     initial_results = vector_store.similarity_search(query_embedding, k=10)     if reranking_method == "llm":         reranked_results = rerank_with_llm(query, initial_results, top_n=top_n)     else:         reranked_results = initial_results[:top_n]     context = "\n\n===\n\n".join([result["text"] for result in reranked_results])     response = generate_response(query, context, model)     return {         "query": query,         "reranking_method": reranking_method,         "initial_results": initial_results[:top_n],         "reranked_results": reranked_results,         "context": context,         "response": response     } </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法的效果如何呢？经过测试，重排序的评分达到了 0.7。这个分数表明，重排序技术能够显著提高检索结果的质量，从而提高生成回答的准确性。这也说明，对检索结果进行重新排序是一个非常重要的步骤，能够帮助我们更好地利用检索到的信息。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">8. 相关段落提取（RSE）：寻找连续的相关文本</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/dbcb9c17b4b49d888e7ce87cef82bcd5.png" class="rich_pages wxw-img" data-ratio="0.26857142857142857" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006387"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序。然而，我们忽略了一个重要的问题：有时候，最佳的信息可能分散在多个连续的文本块中。那么，有没有一种方法能够让系统自动识别并提取这些连续的相关文本呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">相关段落提取（Relevant Segment Extraction，RSE）技术为我们提供了一个解决方案。它不是简单地检索最相关的文本块，而是尝试识别并提取整个相关段落。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 运行 RAG 并应用相关段落提取 rse_result = rag_with_rse(pdf_path, query) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法能够为生成回答提供更连贯和完整的上下文信息，从而提高回答的质量。经过测试，相关段落提取的评分达到了 0.8。这个分数表明，相关段落提取技术能够显著提高检索结果的质量，从而提高生成回答的准确性。这也说明，识别并提取连续的相关文本是一个非常重要的步骤，能够帮助我们更好地利用检索到的信息。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">9. 上下文压缩：让信息更精炼</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/43316efaee43bec113d5124d2034e0f8.png" class="rich_pages wxw-img" data-ratio="0.2957142857142857" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006384"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序，以及如何识别并提取连续的相关文本。然而，我们忽略了一个重要的问题：有时候，检索到的信息可能过于冗长，包含了大量与查询不相关的内容。这不仅会浪费计算资源，还可能会影响生成回答的质量。那么，有没有一种方法能够让检索到的信息更精炼，只保留与查询最相关的内容呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">上下文压缩（Contextual Compression）技术为我们提供了一个解决方案。它在检索到文本块之后，通过一个额外的步骤对文本块进行压缩，只保留与查询最相关的内容。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 定义上下文压缩函数 def rag_with_compression(pdf_path, query, k=10, compression_type="selective", model="meta-llama/Llama-3.2-3B-Instruct"):     vector_store = process_document(pdf_path)     results = vector_store.similarity_search(create_embeddings(query), k=k)     retrieved_chunks = [r["text"] for r in results]     compressed = batch_compress_chunks(retrieved_chunks, query, compression_type, model)     compressed_chunks, compression_ratios = zip([(c, r) for c, r in compressed if c.strip()] or [(chunk, 0.0) for chunk in retrieved_chunks])     context = "\n\n---\n\n".join(compressed_chunks)     response = generate_response(query, context, model)     return {         "query": query,         "original_chunks": retrieved_chunks,         "compressed_chunks": compressed_chunks,         "compression_ratios": compression_ratios,         "context_length_reduction": f"{sum(compression_ratios)/len(compression_ratios):.2f}%",         "response": response     } </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法的效果如何呢？经过测试，上下文压缩的评分达到了 0.75。这个分数表明，上下文压缩技术能够显著提高检索结果的质量，从而提高生成回答的准确性。这也说明，对检索到的信息进行压缩是一个非常重要的步骤，能够帮助我们更好地利用检索到的信息。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">10. 反馈循环：让系统不断学习</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/0c26df49063e39b6616622fac3934d20.png" class="rich_pages wxw-img" data-ratio="0.3271428571428571" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006389"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序，以及如何识别并提取连续的相关文本，以及如何对检索到的信息进行压缩。然而，我们忽略了一个重要的问题：这些改进都是基于预先设定的策略，系统无法根据实际的使用情况进行自我调整。那么，有没有一种方法能够让系统根据用户的反馈不断学习和调整呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">反馈循环（Feedback Loop）技术为我们提供了一个解决方案。它允许用户对系统的回答进行评价，并将这些评价作为反馈信息存储起来。在后续的检索过程中，系统会根据这些反馈信息对检索策略进行调整，从而提高检索结果的质量。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 定义完整的 RAG 流程，包含反馈机制 def full_rag_workflow(pdf_path, query, feedback_data=None, feedback_file="feedback_data.json", fine_tune=False):     if feedback_data isNone:         feedback_data = load_feedback_data(feedback_file)         print(f"Loaded {len(feedback_data)} feedback entries from {feedback_file}")     chunks, vector_store = process_document(pdf_path)     if fine_tune and feedback_data:         vector_store = fine_tune_index(vector_store, chunks, feedback_data)     result = rag_with_feedback_loop(query, vector_store, feedback_data)     print("\n=== Would you like to provide feedback on this response? ===")     print("Rate relevance (1-5, with 5 being most relevant):")     relevance = input()     print("Rate quality (1-5, with 5 being highest quality):")     quality = input()     print("Any comments? (optional, press Enter to skip)")     comments = input()     feedback = get_user_feedback(         query=query,         response=result["response"],         relevance=int(relevance),         quality=int(quality),         comments=comments     )     store_feedback(feedback, feedback_file)     print("Feedback recorded. Thank you!")     return result </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法的效果如何呢？经过测试，反馈循环的评分达到了 0.7。虽然这个分数并不高，但它仍然表明反馈循环技术能够让系统不断学习和调整，从而提高检索结果的质量。这也说明，用户反馈是一个非常重要的资源，能够帮助系统更好地满足用户的需求。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">11. Adaptive RAG：智能选择检索策略</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/a96661311c6fe3c024702551348dae9b.png" class="rich_pages wxw-img" data-ratio="0.58" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006391"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序，以及如何识别并提取连续的相关文本，以及如何对检索到的信息进行压缩，以及如何根据用户的反馈不断学习和调整。然而，我们忽略了一个重要的问题：不同的查询可能需要不同的检索策略。那么，有没有一种方法能够让系统根据查询的类型自动选择最合适的检索策略呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">自适应 RAG（Adaptive RAG）技术为我们提供了一个解决方案。它根据查询的类型，自动选择最合适的检索策略。例如，对于事实性查询，系统会选择事实检索策略；对于分析性查询，系统会选择分析检索策略；对于观点性查询，系统会选择观点检索策略；对于上下文相关查询，系统会选择上下文检索策略。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 定义自适应 RAG 函数 def rag_with_adaptive_retrieval(pdf_path, query, k=4, user_context=None):     chunks, vector_store = process_document(pdf_path)     query_type = classify_query(query)     print(f"Query classified as: {query_type}")     retrieved_docs = adaptive_retrieval(query, vector_store, k, user_context)     response = generate_response(query, retrieved_docs, query_type)     return {         "query": query,         "query_type": query_type,         "retrieved_documents": retrieved_docs,         "response": response     } </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法的效果如何呢？经过测试，自适应 RAG 的评分达到了 0.86，这是所有方法中最高的分数。这个分数表明，自适应 RAG 技术能够显著提高检索结果的质量，从而提高生成回答的准确性。这也说明，根据查询的类型自动选择检索策略是一个非常重要的步骤，能够帮助我们更好地利用检索到的信息。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">12. Self RAG：让系统自我反思</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/5aa021b0cf568fc88dd4f1b6e216e697.png" class="rich_pages wxw-img" data-ratio="0.23857142857142857" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006390"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序，以及如何识别并提取连续的相关文本，以及如何对检索到的信息进行压缩，以及如何根据用户的反馈不断学习和调整，以及如何根据查询的类型自动选择检索策略。然而，我们忽略了一个重要的问题：系统是否能够自我反思，判断是否需要检索，以及如何利用检索到的信息呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">自我 RAG（Self RAG）技术为我们提供了一个解决方案。它不仅能够检索和生成回答，还能够自我反思，判断是否需要检索，以及如何利用检索到的信息。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 运行自我 RAG result = self_rag(query, vector_store) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法的效果如何呢？经过测试，自我 RAG 的评分达到了 0.65。虽然这个分数并不高，但它仍然表明自我 RAG 技术能够让系统更加智能和灵活。这也说明，自我反思是一个非常重要的能力，能够帮助系统更好地适应不同的查询需求。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">13. Knowledge Graph：构建知识网络</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/dcdb4e989849cb304b701a82c1433dd3.png" class="rich_pages wxw-img" data-ratio="0.4442857142857143" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006388"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序，以及如何识别并提取连续的相关文本，以及如何对检索到的信息进行压缩，以及如何根据用户的反馈不断学习和调整，以及如何根据查询的类型自动选择检索策略，以及如何让系统自我反思。然而，我们忽略了一个重要的问题：文档中的信息可能是相互关联的，如何构建一个知识网络，将这些信息有机地结合起来呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">知识图谱 RAG（Knowledge Graph RAG）技术为我们提供了一个解决方案。它将文档中的信息构建成一个知识图谱，其中节点代表概念、实体或信息片段，边代表这些节点之间的关系。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 构建知识图谱 def build_knowledge_graph(chunks):     graph, texts = nx.Graph(), [c["text"] for c in chunks]     embeddings = create_embeddings(texts)     for i, (chunk, emb) in enumerate(zip(chunks, embeddings)):         graph.add_node(i, text=chunk["text"], concepts=extract_concepts(chunk["text"]), embedding=emb)     for i, j in ((i, j) for i in range(len(chunks)) for j in range(i + 1, len(chunks))):         if shared_concepts := set(graph.nodes[i]["concepts"]) & set(graph.nodes[j]["concepts"]):             sim = np.dot(embeddings[i], embeddings[j]) / (np.linalg.norm(embeddings[i]) * np.linalg.norm(embeddings[j]))             weight = 0.7 * sim + 0.3 * (len(shared_concepts) / min(len(graph.nodes[i]["concepts"]), len(graph.nodes[j]["concepts"])))             if weight > 0.6:                 graph.add_edge(i, j, weight=weight, similarity=sim, shared_concepts=list(shared_concepts))     print(f"Graph built: {graph.number_of_nodes()} nodes, {graph.number_of_edges()} edges")     return graph, embeddings </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在检索过程中，系统不仅能够检索与查询直接相关的节点，还能够通过遍历知识图谱找到间接相关的节点，从而为生成回答提供更全面的上下文信息。经过测试，知识图谱 RAG 的评分达到了 0.78。这个分数表明，知识图谱 RAG 技术能够显著提高检索结果的质量，从而提高生成回答的准确性。这也说明，构建知识图谱是一个非常重要的步骤，能够帮助我们更好地利用文档中的信息。 <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/a173c42435d8321bab493377c55697b3.png" class="rich_pages wxw-img" data-ratio="0.8314285714285714" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006392"> </figure> <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">14. 层次化索引：平衡上下文和精确性</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/42af1c2e6e43a1f7c493466c7727291b.png" class="rich_pages wxw-img" data-ratio="0.3314285714285714" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006395"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序，以及如何识别并提取连续的相关文本，以及如何对检索到的信息进行压缩，以及如何根据用户的反馈不断学习和调整，以及如何根据查询的类型自动选择检索策略，以及如何让系统自我反思，以及如何构建知识图谱。然而，我们忽略了一个重要的问题：如何平衡上下文信息和检索的精确性呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">层次化索引（Hierarchical Indices）技术为我们提供了一个解决方案。它创建了两个层次的表示：摘要和详细文本块。首先，系统在摘要层次进行检索，快速缩小相关文档的范围；然后，在详细文本块层次进行检索，提供精确的检索结果。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 定义层次化 RAG 函数 def hierarchical_rag(query, pdf_path, chunk_size=1000, chunk_overlap=200, k_summaries=3, k_chunks=5, regenerate=False):     summary_store_file = f"{os.path.basename(pdf_path)}_summary_store.pkl"     detailed_store_file = f"{os.path.basename(pdf_path)}_detailed_store.pkl"     if regenerate ornot os.path.exists(summary_store_file) ornot os.path.exists(detailed_store_file):         print("Processing document and creating vector stores...")         summary_store, detailed_store = process_document_hierarchically(pdf_path, chunk_size, chunk_overlap)         with open(summary_store_file, 'wb') as f:             pickle.dump(summary_store, f)         with open(detailed_store_file, 'wb') as f:             pickle.dump(detailed_store, f)     else:         print("Loading existing vector stores...")         with open(summary_store_file, 'rb') as f:             summary_store = pickle.load(f)         with open(detailed_store_file, 'rb') as f:             detailed_store = pickle.load(f)     retrieved_chunks = retrieve_hierarchically(query, summary_store, detailed_store, k_summaries, k_chunks)     response = generate_response(query, retrieved_chunks)     return {         "query": query,         "response": response,         "retrieved_chunks": retrieved_chunks,         "summary_count": len(summary_store.texts),         "detailed_count": len(detailed_store.texts)     } </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法既保留了上下文信息，又提高了检索的精确性。经过测试，层次化索引的评分达到了 0.84。这个分数表明，层次化索引技术能够显著提高检索结果的质量，从而提高生成回答的准确性。这也说明，平衡上下文信息和检索精确性是一个非常重要的步骤，能够帮助我们更好地利用检索到的信息。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">15. HyDE：从假设文档出发</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/3bc7dc98dbade013dad27c07d74d8d44.png" class="rich_pages wxw-img" data-ratio="0.29" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006396"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序，以及如何识别并提取连续的相关文本，以及如何对检索到的信息进行压缩，以及如何根据用户的反馈不断学习和调整，以及如何根据查询的类型自动选择检索策略，以及如何让系统自我反思，以及如何构建知识图谱，以及如何平衡上下文信息和检索精确性。然而，我们忽略了一个重要的问题：如何更好地表示查询，以便更准确地检索到相关信息呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">HyDE（Hypothetical Document Embedding）技术为我们提供了一个解决方案。它不是直接对查询进行嵌入，而是先生成一个假设文档，这个文档是查询的理想答案。然后，系统对这个假设文档进行嵌入，并利用这个嵌入进行检索。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 定义 HyDE RAG 函数 def hyde_rag(query, vector_store, k=5, should_generate_response=True):     print(f"\n=== Processing query with HyDE: {query} ===\n")     print("Generating hypothetical document...")     hypothetical_doc = generate_hypothetical_document(query)     print(f"Generated hypothetical document of {len(hypothetical_doc)} characters")     print("Creating embedding for hypothetical document...")     hypothetical_embedding = create_embeddings([hypothetical_doc])[0]     print(f"Retrieving {k} most similar chunks...")     retrieved_chunks = vector_store.similarity_search(hypothetical_embedding, k=k)     results = {         "query": query,         "hypothetical_document": hypothetical_doc,         "retrieved_chunks": retrieved_chunks     }     if should_generate_response:         print("Generating final response...")         response = generate_response(query, retrieved_chunks)         results["response"] = response     return results </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法能够更好地捕捉查询的语义信息，从而提高检索的准确性。经过测试，HyDE 的评分达到了 0.5。虽然这个分数并不高，但它仍然表明 HyDE 技术在某些情况下能够提高检索的准确性。这也说明，从假设文档出发是一个非常有趣的思路，能够帮助我们更好地表示查询。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">16. 融合 RAG：结合多种检索方法</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/fcb36af1fc6d0c0c5f3aeabfb154551a.png" class="rich_pages wxw-img" data-ratio="0.22" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006397"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序，以及如何识别并提取连续的相关文本，以及如何对检索到的信息进行压缩，以及如何根据用户的反馈不断学习和调整，以及如何根据查询的类型自动选择检索策略，以及如何让系统自我反思，以及如何构建知识图谱，以及如何平衡上下文信息和检索精确性，以及如何从假设文档出发。然而，我们忽略了一个重要的问题：不同的检索方法有各自的优缺点，如何将它们结合起来，发挥各自的优点呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">融合 RAG（Fusion RAG）技术为我们提供了一个解决方案。它结合了向量检索和关键词检索两种方法，取两者的优点，为检索结果提供更全面的语义信息和精确的关键词匹配。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 定义融合检索函数 def fusion_retrieval(query, chunks, vector_store, bm25_index, k=5, alpha=0.5):     query_embedding = create_embeddings(query)     vector_results = {r["metadata"]["index"]: r["similarity"] for r in vector_store.similarity_search_with_scores(query_embedding, len(chunks))}     bm25_results = {r["metadata"]["index"]: r["bm25_score"] for r in bm25_search(bm25_index, chunks, query, len(chunks))}     all_docs = vector_store.get_all_documents()     scores = [(i, alpha * vector_results.get(i, 0) + (1 - alpha) * bm25_results.get(i, 0)) for i in range(len(all_docs))]     top_docs = sorted(scores, key=lambda x: x[1], reverse=True)[:k]     return [{"text": all_docs[i]["text"], "metadata": all_docs[i]["metadata"], "score": s} for i, s in top_docs] </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法能够更好地满足不同查询的需求，提高检索的准确性。经过测试，融合 RAG 的评分达到了 0.83。这个分数表明，融合 RAG 技术能够显著提高检索结果的质量，从而提高生成回答的准确性。这也说明，结合多种检索方法是一个非常有效的策略，能够帮助我们更好地利用检索到的信息。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">17. 多模态RAG：解锁图像信息</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/4d821ac017ec79184f47d21cee888cf4.png" class="rich_pages wxw-img" data-ratio="0.31142857142857144" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006394"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序，以及如何识别并提取连续的相关文本，以及如何对检索到的信息进行压缩，以及如何根据用户的反馈不断学习和调整，以及如何根据查询的类型自动选择检索策略，以及如何让系统自我反思，以及如何构建知识图谱，以及如何平衡上下文信息和检索精确性，以及如何从假设文档出发，以及如何结合多种检索方法。然而，我们忽略了一个重要的问题：文档中的信息不仅包含文本，还可能包含图像、图表等其他形式的信息，如何将这些信息也纳入检索范围呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">多模态 RAG（Multi Model RAG）技术为我们提供了一个解决方案。它不仅从文档中提取文本，还会提取图像，并为图像生成描述性的标题。然后，系统将文本和图像的嵌入向量一起存储在向量库中，从而实现对文本和图像的联合检索。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 处理多模态文档 def process_document(pdf_path, chunk_size=1000, chunk_overlap=200):     image_dir = "extracted_images"     os.makedirs(image_dir, exist_ok=True)     text_data, image_paths = extract_content_from_pdf(pdf_path, image_dir)     chunked_text = chunk_text(text_data, chunk_size, chunk_overlap)     image_data = process_images(image_paths)     all_items = chunked_text + image_data     contents = [item["content"] for item in all_items]     embeddings = create_embeddings(contents)     vector_store = MultiModalVectorStore()     vector_store.add_items(all_items, embeddings)     doc_info = {         "text_count": len(chunked_text),         "image_count": len(image_data),         "total_items": len(all_items),     }     print(f"Added {len(all_items)} items to vector store ({len(chunked_text)} text chunks, {len(image_data)} image captions)")     return vector_store, doc_info </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法能够更好地利用文档中的信息，提高检索的准确性。经过测试，多模态 RAG 的评分达到了 0.79。这个分数表明，多模态 RAG 技术能够显著提高检索结果的质量，从而提高生成回答的准确性。这也说明，将图像信息纳入检索范围是一个非常重要的步骤，能够帮助我们更好地利用文档中的信息。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">18. CRAG：动态调整检索策略</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/133b7bd5cfbdd01cb059378d5497d935.png" class="rich_pages wxw-img" data-ratio="0.28714285714285714" data-type="png" data-w="700" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100006398"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在前面的讨论中，我们主要关注了如何改进文本块的表示和检索策略，以及如何改进查询的质量和检索结果的排序，以及如何识别并提取连续的相关文本，以及如何对检索到的信息进行压缩，以及如何根据用户的反馈不断学习和调整，以及如何根据查询的类型自动选择检索策略，以及如何让系统自我反思，以及如何构建知识图谱，以及如何平衡上下文信息和检索精确性，以及如何从假设文档出发，以及如何结合多种检索方法，以及如何将图像信息纳入检索范围。然而，我们忽略了一个重要的问题：检索到的信息可能并不总是理想的，如何动态调整检索策略，以应对不同的情况呢？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(239, 112, 96);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">纠正性 RAG（Corrective RAG，CRAG）技术为我们提供了一个解决方案。它在检索之后，对检索到的信息进行评估，根据评估结果动态调整检索策略。如果检索到的信息质量高，系统会直接利用这些信息生成回答；如果检索到的信息质量低，系统会转而进行网络搜索；如果检索到的信息质量中等，系统会结合文档信息和网络搜索结果生成回答。 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg ijdpq631cvfpzevp7c96gnruqn0u3fiancwzhdxoqs1pvknfalxbssriccrluvnayrvtcp9zwfopqiaotazjtnke4qtwezjoiczs 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 运行纠正性 RAG crag_result = rag_with_compression(pdf_path, query, compression_type="selective") </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这种方法能够更好地应对不同的情况，提高检索的准确性和可靠性。经过测试，纠正性 RAG 的评分达到了 0.824。这个分数表明，纠正性 RAG 技术能够显著提高检索结果的质量，从而提高生成回答的准确性。这也说明，动态调整检索策略是一个非常重要的步骤，能够帮助我们更好地利用检索到的信息。 <h2 data-tool="mdnice编辑器" style="background-color: rgb(251, 251, 251);margin-top: 50px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 20px;color: rgb(255, 255, 255);background-color: rgb(33, 33, 34);line-height: 1.5em;letter-spacing: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 15px;padding-right: 30px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 40px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">结论：选择最适合的 RAG 技术</h2> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">通过上述对 18 种 RAG 技术的测试和分析，我们可以看到，不同的技术有各自的优缺点，适用于不同的场景和需求。简单 RAG 提供了一个基础的框架，但其检索效果有限；语义分块、上下文增强检索、上下文块头、文档增强等技术通过改进文本块的表示和检索策略，提高了检索的准确性；查询转换、重排序、相关段落提取、上下文压缩等技术通过改进查询的质量和检索结果的排序，进一步提高了检索的效果；反馈循环、自适应 RAG、自我 RAG 等技术通过引入反馈机制和动态调整检索策略，让系统能够更好地适应不同的查询需求；知识图谱 RAG、层次化索引、HyDE、融合 RAG、多模态 RAG、纠正性 RAG 等技术通过结合多种方法和信息源，显著提高了检索的准确性和可靠性。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在这些技术中，自适应 RAG 以 0.86 的评分脱颖而出，成为表现最佳的 RAG 技术。它通过根据查询的类型自动选择最合适的检索策略，能够更好地满足不同用户的需求，生成更准确的回答。然而，这并不意味着其他技术没有价值。实际上，不同的技术可以在不同的场景下发挥重要作用，关键在于根据具体的需求和场景选择最适合的技术。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">未来，随着人工智能技术的不断发展，RAG 技术也将不断进化。我们可以预见，结合多种技术的优点，开发出更加智能、高效、可靠的 RAG 系统，将为信息检索和自然语言处理领域带来更多的可能性和突破。 <hr style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: solid;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: 1px;"> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 15px;line-height: 2.1em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">以上就是对 18 种 RAG 技术的详细分析和代码示例。希望这篇文章能够帮助你更好地了解 RAG 技术的多样性和潜力。如果你对某一种技术特别感兴趣，或者有其他问题，欢迎在评论区留言，我们一起探讨！ </section> </section> </section>

用了Stream后，代码反而越写越丑？

作者：微信小助手

<span leaf="" style="color:rgba(0, 0, 0, 0.9);font-size:17px;font-family:" mp-quote, -apple-system-font, blinkmacsystemfont, helvetica neue, pingfang sc, hiragino sans gb, microsoft yahei ui, yahei, arial, sans-serif;line-height:1.6;letter-spacing:0.034em;font-style:normal;font-weight:normal;>兄弟们，前几天在技术群里看到一个令人窒息的代码片段： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x51biryow"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">List <user> users = ...; </user> Map <long, ></long, >List <order>> result = users.stream() </order>     .filter(u -> u.getStatus() == UserStatus.ACTIVE)     .filter(u -> u.getAge() > 18)     .filter(u -> u.getOrders().size() > 0)     .flatMap(u -> u.getOrders().stream())     .collect(Collectors.groupingBy(Order::getUserId,         Collectors.mapping(Order::getId, Collectors.toList())));</code></pre> </section> <p cid="n3" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 0.8em 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>这段代码乍一看很“流式”，但仔细分析就会发现： <ul style="box-sizing: border-box;margin: 0.8em 0px;padding-left: 30px;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial; class="list-paddingleft-1"> <li style="box-sizing: border-box;margin: 0px;">连续三个filter像俄罗斯套娃</li> <li style="box-sizing: border-box;margin: 0px;">flatMap后的collect嵌套层数堪比俄罗斯方块</li> <li style="box-sizing: border-box;margin: 0px;">最终结果类型Map>与实际需求完全不符 </li> </ul> 这让我想起最近流行的一句话：“Stream用得好是瑞士军刀，用不好就是小李飞刀——刀刀见血，但扎的是自己。” <section mpa-from-tpl="t" data-mpa-action-id="m8x4c4fm1p5w" data-pm-slice="0 0 []"> </section> <section data-mpa-template="t" mpa-from-tpl="t" data-mpa-action-id="m8x4c4fm17nt"> <section data-mpa-template="t" mpa-from-tpl="t"> <h4 data-tool="mdnice编辑器" style="margin-bottom: 15px;font-weight: 400;font-size: 16px;text-align: justify;outline: 0px;color: rgb(34, 34, 34);letter-spacing: 0.544px;caret-color: rgb(51, 51, 51);line-height: 2em;">一、Stream变丑的四大“毁容级”操作</h4> </section> </section> <h4 cid="n12" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 1rem;margin-bottom: 1rem;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>1. 链式调用七龙珠</h4> <p cid="n13" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 0.8em 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>有些同学对链式调用有一种迷之执着，恨不得把所有操作塞进一条流里： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x51twh1sdc"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">List <string> result =  </string>list.stream()     .filter(...).map(...).flatMap(...).distinct()     .sorted(...).limit(...).skip(...).collect(...);</code></pre> </section> <p cid="n15" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>危害：超过5个操作的链式调用会让代码可读性直线下降，调试时根本分不清问题出在哪一环。 <p cid="n15" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>解药： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x5279fkiw"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">// 分段处理，用中间变量过渡 Stream<String> filtered = list.stream().filter(...); Stream<String> mapped = filtered.map(...); List<String> result = mapped.collect(...);</code></pre> </section> <h4 cid="n17" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>2. 滥用Collectors.joining</h4> <p cid="n18" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>在某个电商项目里，我见过这样的代码： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x52p7ejsj"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">String skuIds = order.getItems().stream()     .map(Item::getSkuId)     .collect(Collectors.joining(","));</code></pre> </section> <p cid="n20" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>问题：如果订单没有商品，会得到空字符串，而空字符串和null在业务逻辑中是不同的概念。  <p cid="n20" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>改进方案： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x534jpknd"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">Optional <string> skuIdsOpt = order.getItems().stream() </string>     .map(Item::getSkuId)     .collect(Collectors.joining(","))     .empty() ? Optional.empty() : Optional.of(skuIds);</code></pre> </section> <h4 cid="n22" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>3. 忽略性能的Collectors.toList()</h4> <p cid="n23" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>某支付系统的关键路径上有这样的代码： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x53rsq1oyw"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">List <transaction> transactions = db.query(...).stream() </transaction>     .filter(t -> t.getAmount() > 1000)     .collect(Collectors.toList());</code></pre> </section> <p cid="n25" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>隐患：当数据量达到百万级时，toList()会导致内存溢出。  <p cid="n25" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>优化方法： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x54akukwd"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">// 使用并行流+分批处理 List <transaction> result =  </transaction>new ArrayList<>(); db.query(...).stream()     .parallel()     .filter(t -> t.getAmount() > 1000)     .forEachOrdered(result::add);</code></pre> </section> <h4 cid="n27" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>4. 错误使用boxed()</h4> <p cid="n28" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>在某个金融计算场景中： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x54wkd1q5t"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">double sum = numbers.stream()     .boxed()     .mapToDouble(Number::doubleValue)     .sum();</code></pre> </section> <p cid="n28" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>误区<span leaf="" style="color:rgba(0, 0, 0, 0.9);font-size:17px;font-family:" mp-quote, -apple-system-font, blinkmacsystemfont, helvetica neue, pingfang sc, hiragino sans gb, microsoft yahei ui, yahei, arial, sans-serif;line-height:1.6;letter-spacing:0.034em;font-style:normal;font-weight:normal;>：boxed()会将原始类型转换为包装类型，导致性能下降。<span leaf="" style="color:rgba(0, 0, 0, 0.9);font-size:17px;font-family:" mp-quote, -apple-system-font, blinkmacsystemfont, helvetica neue, pingfang sc, hiragino sans gb, microsoft yahei ui, yahei, arial, sans-serif;line-height:1.6;letter-spacing:0.034em;font-style:normal;font-weight:normal;> <span leaf="" style="color:rgba(0, 0, 0, 0.9);font-size:17px;font-family:" mp-quote, -apple-system-font, blinkmacsystemfont, helvetica neue, pingfang sc, hiragino sans gb, microsoft yahei ui, yahei, arial, sans-serif;line-height:1.6;letter-spacing:0.034em;font-style:normal;font-weight:normal;> <span leaf="" style="color:rgba(0, 0, 0, 0.9);font-size:17px;font-family:" mp-quote, -apple-system-font, blinkmacsystemfont, helvetica neue, pingfang sc, hiragino sans gb, microsoft yahei ui, yahei, arial, sans-serif;line-height:1.6;letter-spacing:0.034em;font-style:normal;font-weight:normal;>正确姿势<span leaf="" style="color:rgba(0, 0, 0, 0.9);font-size:17px;font-family:" mp-quote, -apple-system-font, blinkmacsystemfont, helvetica neue, pingfang sc, hiragino sans gb, microsoft yahei ui, yahei, arial, sans-serif;line-height:1.6;letter-spacing:0.034em;font-style:normal;font-weight:normal;>： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x55bgmyw8"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">double sum = numbers.stream()     .mapToDouble(Number::doubleValue)     .sum();</code></pre> </section> <section mpa-from-tpl="t" data-mpa-action-id="m8x4exn21m7h" data-pm-slice="0 0 []"> </section> <section data-mpa-template="t" mpa-from-tpl="t" data-mpa-action-id="m8x4exn2hv4"> <section data-mpa-template="t" mpa-from-tpl="t"> <h4 data-tool="mdnice编辑器" style="margin-bottom: 15px;font-weight: 400;font-size: 16px;text-align: justify;outline: 0px;color: rgb(34, 34, 34);letter-spacing: 0.544px;caret-color: rgb(51, 51, 51);line-height: 2em;">二、Stream优雅编程的五大黄金法则</h4> </section> </section> <h4 cid="n33" mdtype="heading" style="margin-top: 24px;margin-bottom: 24px;line-height: 2em;"><span leaf="" style="color:rgba(0, 0, 0, 0.9);font-size:17px;font-family:" mp-quote, -apple-system-font, blinkmacsystemfont, helvetica neue, pingfang sc, hiragino sans gb, microsoft yahei ui, yahei, arial, sans-serif;line-height:1.6;letter-spacing:0.034em;font-style:normal;font-weight:normal;>1. 保持流操作的原子性</h4> <span leaf="" style="color:rgba(0, 0, 0, 0.9);font-size:17px;font-family:" mp-quote, -apple-system-font, blinkmacsystemfont, helvetica neue, pingfang sc, hiragino sans gb, microsoft yahei ui, yahei, arial, sans-serif;line-height:1.6;letter-spacing:0.034em;font-style:normal;font-weight:normal;>反模式<span leaf="" style="color:rgba(0, 0, 0, 0.9);font-size:17px;font-family:" mp-quote, -apple-system-font, blinkmacsystemfont, helvetica neue, pingfang sc, hiragino sans gb, microsoft yahei ui, yahei, arial, sans-serif;line-height:1.6;letter-spacing:0.034em;font-style:normal;font-weight:normal;>： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4ml75yn6"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">List <product> products = productList.stream() </product>     .filter(p -> p.getPrice() > 100)     .filter(p -> p.getStock() > 0)     .collect(Collectors.toList());</code></pre> </section> <span leaf="" style="color:rgba(0, 0, 0, 0.9);font-size:17px;font-family:" mp-quote, -apple-system-font, blinkmacsystemfont, helvetica neue, pingfang sc, hiragino sans gb, microsoft yahei ui, yahei, arial, sans-serif;line-height:1.6;letter-spacing:0.034em;font-style:normal;font-weight:normal;>重构方案： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4ncip3xj"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">// 定义独立的Predicate Predicate <product> isExpensive = p -> p.getPrice() >  </product>100; Predicate <product> isInStock = p -> p.getStock() >  </product>0; List <product> products = productList.stream() </product>     .filter(isExpensive.and(isInStock))     .collect(Collectors.toList());</code></pre> </section> <h4 cid="n38" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>2. 合理使用peek()</h4> <p cid="n39" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>在监控日志场景中： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4nxvw20a"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">List <order> orders = orderList.stream() </order>     .peek(o -> log.info("Processing order: {}", o.getId()))     .filter(o -> o.getStatus() == COMPLETED)     .collect(Collectors.toList());</code></pre> </section> <p cid="n41" mdtype="paragraph" style="box-sizing: border-box;line-height: inherit;orphans: 4;margin: 0.8em 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>注意事项： <ul style="box-sizing: border-box;margin: 0.8em 0px;padding-left: 30px;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial; class="list-paddingleft-1"> <li style="box-sizing: border-box;margin: 0px;">peek()只能用于调试或副作用操作</li> <li style="box-sizing: border-box;margin: 0px;">避免在peek中修改流元素</li> <li style="box-sizing: border-box;margin: 0px;">并行流中慎用peek()</li> </ul> <h4 cid="n49" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>3. 自定义Collectors</h4> <p cid="n50" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>在权限系统中，我们需要将用户角色收集为枚举集合： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4oja61f7j"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">public class RoleCollectors {     public static Collector <user, ?, set<role>> rolesToSet() { </user,>         return Collector.of(             HashSet::new,             (set, user) -> set.add(user.getRole()),             (left, right) -> { left.addAll(right); return left; },             Collector.Characteristics.UNORDERED         );     } } // 使用示例 Set <role> roles = users.stream() </role>     .collect(RoleCollectors.rolesToSet());</code></pre> </section> <h4 cid="n52" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>4. 处理空流的正确姿势</h4> <p cid="n53" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>在商品推荐场景中： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4p1dplw2"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">List <product> recommendations = productList.stream() </product>     .filter(p -> p.getCategory().equals("electronics"))     .findFirst()     .map(Collections::singletonList)     .orElse(Collections.emptyList());</code></pre> </section> <p cid="n55" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>更优雅的方式： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4pqb5pur"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">List <product> recommendations = productList.stream() </product>     .filter(p -> p.getCategory().equals("electronics"))     .collect(Collectors.collectingAndThen(         Collectors.toList(),         list -> list.isEmpty() ? Collections.singletonList(defaultProduct) : list     ));</code></pre> </section> <h4 cid="n57" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>5. 结合Optional使用</h4> <p cid="n58" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>在用户服务中： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4qb3dgn6"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">User user = userRepository.findById(userId)     .orElseThrow(() -> new UserNotFoundException(userId)); return user.getEmail();</code></pre> </section> <p cid="n60" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>Stream优化版： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4qqa5sq0"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">return userRepository.findById(userId)     .map(User::getEmail)     .orElseThrow(() -> new UserNotFoundException(userId));</code></pre> </section> <section mpa-from-tpl="t" data-mpa-action-id="m8x4rz6yjxt" data-pm-slice="0 0 []"> </section> <section data-mpa-template="t" mpa-from-tpl="t" data-mpa-action-id="m8x4rz6y1cay"> <section data-mpa-template="t" mpa-from-tpl="t"> <h4 data-tool="mdnice编辑器" style="margin-bottom: 15px;font-weight: 400;font-size: 16px;text-align: justify;outline: 0px;color: rgb(34, 34, 34);letter-spacing: 0.544px;caret-color: rgb(51, 51, 51);line-height: 2em;">三、Stream高级技巧：让代码会“呼吸”</h4> </section> </section> <h4 cid="n63" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>1. 分阶段处理流</h4> <p cid="n64" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>在物流系统中，订单处理分为三个阶段： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4ug6q8m1"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">Stream <order> orderStream = orderRepository.findAll().stream(); </order> // 阶段1：过滤有效订单 Stream <order> validOrders = orderStream </order>     .filter(Order::isValid)     .peek(o -> auditLogService.logValidation(o)); // 阶段2：计算运费 Map <long, double> shippingFees = validOrders </long,>     .collect(Collectors.toMap(         Order::getId,         this::calculateShippingFee     )); // 阶段3：更新订单状态 validOrders.forEach(o -> orderService.updateStatus(o, SHIPPING));</code></pre> </section> <h4 cid="n66" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>2. 使用Collectors.teeing()</h4> <p cid="n67" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>在统计用户画像时： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4v43013ll"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">UserProfile profile = users.stream()     .collect(Collectors.teeing(         Collectors.averagingInt(User::getAge),         Collectors.summingDouble(User::getSpending),         (avgAge, totalSpending) -> new UserProfile(avgAge, totalSpending)     ));</code></pre> </section> <h4 cid="n69" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>3. 处理并行流的陷阱</h4> <p cid="n70" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>在文件处理场景中： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4w0szunk"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">List <string> lines = Files.readAllLines(Paths.get( </string>"data.txt")); lines.parallelStream()     .map(this::processLine)     .forEachOrdered(System.out::println);</code></pre> </section> <p cid="n72" mdtype="paragraph" style="box-sizing: border-box;line-height: inherit;orphans: 4;margin: 0.8em 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>关键点： <ul style="box-sizing: border-box;margin: 0.8em 0px;padding-left: 30px;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial; class="list-paddingleft-1"> <li style="box-sizing: border-box;margin: 0px;">顺序敏感操作必须使用forEachOrdered()</li> <li style="box-sizing: border-box;margin: 0px;">共享资源需要线程安全处理</li> <li style="box-sizing: border-box;margin: 0px;">避免过度使用并行流</li> </ul> <h4 cid="n80" mdtype="heading" style="box-sizing: border-box;break-after: avoid-page;break-inside: avoid;orphans: 2;font-size: 1.25em;margin-top: 24px;margin-bottom: 24px;font-weight: bold;line-height: 2em;cursor: text;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>4. 自定义Spliterator</h4> <p cid="n81" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>在处理海量日志时： <section data-mpa-preserve-tpl-color="t" data-mpa-template="t" mpa-preserve="t" mpa-from-tpl="t" data-mpa-action-id="m8x4xcc21t9x"> <pre style="margin: 0px;padding: 0px;background: none;font-family: none;"><code style="border-radius: 4px;font-size: 0.85em;font-family: none;margin: 0px 0.15em;background: rgb(248, 248, 248);color: rgb(51, 51, 51);display: block;padding: 5.95px;overflow-x: auto;white-space: nowrap;">public class LogSpliterator implements Spliterator<LogEntry> {     privatefinal List <logentry> logs; </logentry>     privateint currentIndex;     public LogSpliterator(List <logentry> logs) </logentry> {         this.logs = logs;         this.currentIndex = 0;     }     @Override     public boolean tryAdvance(Consumersuper LogEntry> action) {         if (currentIndex < logs.size()) {             action.accept(logs.get(currentIndex++));             returntrue;         }         returnfalse;     }     @Override     public Spliterator <logentry>  </logentry>trySplit() {         int currentSize = logs.size() - currentIndex;         if (currentSize < 1000) returnnull; // 阈值设定         int splitPos = currentIndex + currentSize / 2;         Spliterator <logentry> split =  </logentry>new LogSpliterator(logs.subList(currentIndex, splitPos));         currentIndex = splitPos;         return split;     }     @Override     public long estimateSize() {         return logs.size() - currentIndex;     }     @Override     public int characteristics() {         return Spliterator.ORDERED | Spliterator.SIZED | Spliterator.SUBSIZED;     } } // 使用示例 StreamSupport.stream(new LogSpliterator(logs), true)     .parallel()     .forEach(this::processLog);</code></pre> </section> <section mpa-from-tpl="t" data-mpa-action-id="m8x4xpy01p0e" data-pm-slice="0 0 []"> </section> <section data-mpa-template="t" mpa-from-tpl="t" data-mpa-action-id="m8x4xpy0iqe"> <section data-mpa-template="t" mpa-from-tpl="t"> <h4 data-tool="mdnice编辑器" style="margin-bottom: 15px;font-weight: 400;font-size: 16px;text-align: justify;outline: 0px;color: rgb(34, 34, 34);letter-spacing: 0.544px;caret-color: rgb(51, 51, 51);line-height: 2em;">四、Stream代码质量检查清单</h4> </section> </section> <ol style="box-sizing: border-box;margin: 0.8em 0px;padding-left: 30px;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial; class="list-paddingleft-1"> <li style="box-sizing: border-box;margin: 0px;">可读性检查</li> <ol style="box-sizing: border-box;margin: 0px;padding-left: 30px;" class="list-paddingleft-1"> <li style="box-sizing: border-box;margin: 0px;">每个流操作是否有明确的业务含义</li> <li style="box-sizing: border-box;margin: 0px;">链式调用是否超过5层</li> <li style="box-sizing: border-box;margin: 0px;">是否使用了有意义的中间变量</li> </ol> <li style="box-sizing: border-box;margin: 0px;">性能检查</li> <ol style="box-sizing: border-box;margin: 0px;padding-left: 30px;" class="list-paddingleft-1"> <li style="box-sizing: border-box;margin: 0px;">是否在不必要的情况下使用了boxed()</li> <li style="box-sizing: border-box;margin: 0px;">并行流是否适用于当前场景</li> <li style="box-sizing: border-box;margin: 0px;">收集操作是否考虑了数据规模</li> </ol> <li style="box-sizing: border-box;margin: 0px;">异常处理</li> <ol style="box-sizing: border-box;margin: 0px;padding-left: 30px;" class="list-paddingleft-1"> <li style="box-sizing: border-box;margin: 0px;">是否处理了空流情况</li> <li style="box-sizing: border-box;margin: 0px;">是否合理使用了Optional</li> <li style="box-sizing: border-box;margin: 0px;">错误处理是否符合业务需求</li> </ol> <li style="box-sizing: border-box;margin: 0px;">可维护性</li> <ol style="box-sizing: border-box;margin: 0px;padding-left: 30px;" class="list-paddingleft-1"> <li style="box-sizing: border-box;margin: 0px;">是否将复杂逻辑拆分为独立的方法</li> <li style="box-sizing: border-box;margin: 0px;">是否使用了自定义Collectors</li> <li style="box-sizing: border-box;margin: 0px;">是否考虑了未来的扩展需求</li> </ol> </ol> <section mpa-from-tpl="t" data-mpa-action-id="m8x50hz624mu" data-pm-slice="0 0 []"> </section> <section data-mpa-template="t" mpa-from-tpl="t" data-mpa-action-id="m8x50hz61dtp"> <section data-mpa-template="t" mpa-from-tpl="t"> <h4 data-tool="mdnice编辑器" style="margin-bottom: 15px;font-weight: 400;font-size: 16px;text-align: justify;outline: 0px;color: rgb(34, 34, 34);letter-spacing: 0.544px;caret-color: rgb(51, 51, 51);line-height: 2em;">五、终极心法：流的本质是思维方式</h4> </section> </section> <p cid="n122" mdtype="paragraph" style="box-sizing: border-box;line-height: 2em;orphans: 4;margin: 24px 0px;white-space: pre-wrap;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;text-align: start;text-indent: 0px;text-transform: none;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;>最后分享一个真实案例：某电商平台通过重构Stream代码，使核心订单处理流程的代码量减少40%，同时性能提升30%。他们的秘诀在于： <ol style="box-sizing: border-box;margin: 0.8em 0px;padding-left: 30px;color: rgb(51, 51, 51);font-family: " open sans, clear helvetica neue, helvetica, arial, sans-serif;font-size: 16px;font-style: normal;font-variant-ligatures: normal;font-variant-caps: normal;font-weight: 400;letter-spacing: normal;orphans: 2;text-align: start;text-indent: 0px;text-transform: none;white-space: normal;widows: 2;word-spacing: 0px;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial; class="list-paddingleft-1"> <li style="box-sizing: border-box;margin: 0px;">将流操作与业务逻辑解耦</li> <li style="box-sizing: border-box;margin: 0px;">建立Stream最佳实践库</li> <li style="box-sizing: border-box;margin: 0px;">使用IDE插件（如StreamRefactor）进行代码检查 </li> </ol> 记住：Stream不是代码竞赛的工具，而是提升代码质量的手段。当你开始思考如何让Stream代码更易读、易维护、易扩展时，你就真正掌握了它的精髓。  <mp-style-type data-value="3"></mp-style-type>

CPU实时的开源TTS引擎，支持中英混语合成，本地部署实测

作者：微信小助手

<section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;font-family: Optima, 'Microsoft YaHei', PingFangSC-regular, serif;font-size: 16px;color: rgb(0, 0, 0);line-height: 1.5em;word-spacing: 0em;letter-spacing: 0em;word-break: break-word;overflow-wrap: break-word;text-align: left;" data-pm-slice="0 0 []"> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">就体验而言，笔者用的最多的当属：<code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">edge-tts</code> <code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">FishSpeech</code> 和 <code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">CosyVoice</code> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">其中，<code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">edge-tts</code> 需联网，而 <code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">FishSpeech</code> 和 <code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">CosyVoice</code> 则需显卡。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">有没有端侧可运行的轻量级 TTS 模型？ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">之前还真发现过一个潜力股：<code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">Kokoro</code>，不过当时对中文不太友好，暂且搁置。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">最近，<code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">Kokoro</code> 上新了，新增 100 种中文音色，且支持中英混合。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">这就有必要来聊聊了，希望能为您 TTS 选型提供一个参考。 <h2 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: unset;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 18px;color: rgb(34, 34, 34);line-height: 1.8em;letter-spacing: 0em;padding-top: 0px;padding-bottom: 0px;padding-left: 10px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: solid;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 5px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(145, 109, 213);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: unset;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">1. Kokoro 简介</h2> <blockquote style="margin-top: 20px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;padding-top: 10px;padding-bottom: 10px;padding-left: 20px;padding-right: 10px;border-top-style: none;border-bottom-style: none;border-left-style: solid;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgb(216, 156, 246);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;background-attachment: scroll;background-clip: border-box;background-color: rgb(244, 238, 255);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;display: block;overflow-x: auto;overflow-y: auto;"> <p style="text-indent: 0em;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;color: rgb(0, 0, 0);font-size: 15px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;margin-top: 0px;margin-right: 0px;margin-bottom: 0px;margin-left: 0px;">项目地址：https://github.com/hexgrad/kokoro </blockquote> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">一款超轻量级的 TTS 模型，只有 <strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">82M 参数。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">别看它架构轻巧，音质仍可媲美动辄 0.5B 的大模型。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">且看语音合成领域的 TTS Arena 排行榜，荣登榜一，且遥遥领先！ <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100005247" data-ratio="0.362962962962963" src="/upload/1364b2ff170d7c30785e2f71fe56a69b.png" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 8px;border-top-right-radius: 8px;border-bottom-right-radius: 8px;border-bottom-left-radius: 8px;object-fit: fill;box-shadow: rgba(153, 153, 153, 0.3) 2px 4px 8px 0px;"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">相比 v0.19，v1.0 训练数据规模增加了，支持的音色更多： <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100005246" data-ratio="0.2851851851851852" src="/upload/ec97a456a79c923b363d60d7c55f1f1d.png" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 8px;border-top-right-radius: 8px;border-bottom-right-radius: 8px;border-bottom-left-radius: 8px;object-fit: fill;box-shadow: rgba(153, 153, 153, 0.3) 2px 4px 8px 0px;"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">老规矩，简短介绍下亮点： <ul style="list-style-type: circle;margin-top: 8px;margin-bottom: 8px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 25px;padding-right: 0px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> <strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">多语言支持：支持中、英、日、法、意大利、葡萄牙、西班牙、印地语共 <strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">8 种语言。 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> <strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">多音色支持：提供了多种男女人物音色，不断更新中。 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> <strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">实时语音生成：CPU上可近乎实时，而在GPU上，则达到了50倍实时速度。 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(1, 1, 1);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;text-align: left;font-weight: normal;"> <strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">自然语音生成：不只是快，还超逼真。 </section></li> </ul> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 17px;color: rgb(0, 0, 0);border-bottom-color: rgb(216, 156, 246);line-height: 1.5em;letter-spacing: 0em;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 2px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">1.1 音色地址</h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">Kokoro</code> 的所有音色均以 pt 文件，存放在 huggingface，国内用户可通过以下地址下载： <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">v1.0：https://hf-mirror.com/hexgrad/Kokoro-82M <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">v1.1 https://hf-mirror.com/hexgrad/Kokoro-82M-v1.1-zh，新增更多中文音色。 <h2 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: unset;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 18px;color: rgb(34, 34, 34);line-height: 1.8em;letter-spacing: 0em;padding-top: 0px;padding-bottom: 0px;padding-left: 10px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: solid;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 5px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(145, 109, 213);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: unset;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2. Kokoro 实测</h2> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 17px;color: rgb(0, 0, 0);border-bottom-color: rgb(216, 156, 246);line-height: 1.5em;letter-spacing: 0em;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 2px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2.1 安装依赖</h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">需安装如下依赖： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">pip install kokoro pip install ordered-set pip install cn2an pip install pypinyin_dict </code></pre> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 17px;color: rgb(0, 0, 0);border-bottom-color: rgb(216, 156, 246);line-height: 1.5em;letter-spacing: 0em;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 2px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2.2 模型和音色下载</h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">从 huggingface 上拉取模型权重，以及音色文件： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">export HF_ENDPOINT=https://hf-mirror.com # 引入镜像地址 huggingface-cli download --resume-download hexgrad/Kokoro-82M --local-dir ./ckpts/kokoro-v1.0 huggingface-cli download --resume-download hexgrad/Kokoro-82M-v1.1-zh --local-dir ./ckpts/kokoro-v1.1 </code></pre> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 17px;color: rgb(0, 0, 0);border-bottom-color: rgb(216, 156, 246);line-height: 1.5em;letter-spacing: 0em;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 2px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2.3 模型推理</h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">下面以中文语音合成为例，进行演示。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">kokoro</code> 模型推理，只需以下 4 步~ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">step 1：引入依赖 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">import torch import time from kokoro import KPipeline, KModel import soundfile as sf </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">step 2：加载音色 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">尽管 <code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">kokoro</code> 支持运行时下载音色，不过在 2.2 部分，我们已将音色文件下载到本地，这里直接 load 进来： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">voice_zf = "zf_001" voice_zf_tensor = torch.load(f'ckpts/kokoro-v1.1/voices/{voice_zf}.pt', weights_only=True) voice_af = 'af_maple' voice_af_tensor = torch.load(f'ckpts/kokoro-v1.1/voices/{voice_af}.pt', weights_only=True) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">step 3：加载模型 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">repo_id = 'hexgrad/Kokoro-82M-v1.1-zh' device = 'cuda' if torch.cuda.is_available() else 'cpu' model_path = 'ckpts/kokoro-v1.1/kokoro-v1_1-zh.pth' config_path = 'ckpts/kokoro-v1.1/config.json' model = KModel(model=model_path, config=config_path, repo_id=repo_id).to(device).eval() </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">step 4：开始推理 <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">zh_pipeline = KPipeline(lang_code='z', repo_id=repo_id, model=model) sentence = '如果您愿意帮助进一步完成这一使命，请考虑为此贡献许可的音频数据。' start_time = time.time() generator = zh_pipeline(sentence, voice=voice_zf_tensor, speed=speed_callable) result = next(generator) wav = result.audio speech_len = len(wav) / 24000 print('yield speech len {}, rtf {}'.format(speech_len, (time.time() - start_time) / speech_len))  sf.write('output.wav', wav, 24000) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">其中，<code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">speed</code> 支持 float 类型的语速控制，<code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">speed_callable</code>为官方提供的默认回调函数（主要和训练数据有关）： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">def speed_callable(len_ps):     speed = 0.8     if len_ps <= 83:         speed = 1     elif len_ps < 183:         speed = 1 - (len_ps - 83) / 500     return speed * 1.1 </code></pre> <hr style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: solid;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 2px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(217, 184, 250);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: 1px;"> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">对于<strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">中英混杂的文本，需要在 <code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">KPipeline</code> 中增加 <code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">en_callable</code> 回调函数，并传入英文音色，如下： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">en_pipeline = KPipeline(lang_code='a', repo_id=repo_id, model=model) def en_callable(text):     if text == 'Kokoro':         return 'kˈOkəɹO'     elif text == 'Sol':         return 'sˈOl'     return next(en_pipeline(text, voice=voice_zf_tensor)).phonemes zh_pipeline = KPipeline(lang_code='z', repo_id=repo_id, model=model, en_callable=en_callable) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">最后，来听听合成效果： <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">中英混语合成： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">该 Apache 许可模式也符合 OpenAI 所宣称的广泛传播 AI 优势的使命。 </code></pre> <section nodeleaf=""> <mp-common-mpaudio class="js_editor_audio res_iframe js_uneditable custom_select_card" data-pluginname="insertaudio" name="kokoro-mixed" author="猴哥的AI知识库" src="/cgi-bin/readtemplate?t=tmpl/audio_tmpl&name=kokoro-mixed&play_length=6%E7%A7%92" isaac2="1" low_size="11.43" source_size="11.4" high_size="25.17" play_length="6000" data-trans_state="1" data-verify_state="3" voice_encode_fileid="MzkzMzY2MTkyN18yMjQ3NDg4OTEz" cover="https://wx.qlogo.cn/mmopen/l1BlcrnOO6TnMmibUYUfACWLNcCficWzsYGKqK3DN2dYKTF9jVRKcB2k9bpCk2I8u63dTdKicITKwoSEmF4QEWNtTk1icX4nARQFGzLOXtXdic4DBumSPOy1R0oibKhicGCmuwv/0"></mp-common-mpaudio> </section> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 17px;color: rgb(0, 0, 0);border-bottom-color: rgb(216, 156, 246);line-height: 1.5em;letter-spacing: 0em;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 2px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2.4 速度测试</h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">GPU 推理显存占用： <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img class="rich_pages wxw-img" data-imgfileid="100005245" data-ratio="0.2111111111111111" src="/upload/032adddcb2799ef9e1eb1c6bec8f4bf9.png" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 8px;border-top-right-radius: 8px;border-bottom-right-radius: 8px;border-bottom-left-radius: 8px;object-fit: fill;box-shadow: rgba(153, 153, 153, 0.3) 2px 4px 8px 0px;"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">TTS 通用的速度评估指标为 <code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">rtf</code>，也即 <code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">推理耗时/生成音频耗时</code>，指标越低，代表推理速度越快！ <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">kokoro</code> GPU 推理： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">yield speech len 6.825, rtf 0.2680429521497789 </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">kokoro</code> CPU 推理： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">yield speech len 6.825, rtf 0.4242438012427026 </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">可以发现，即便是 CPU 推理，rtf 依然远小于 1，强啊！ <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;height: auto;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span style="font-size: 17px;color: rgb(0, 0, 0);border-bottom-color: rgb(216, 156, 246);line-height: 1.5em;letter-spacing: 0em;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: solid;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 2px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">2.5 服务端部署</h3> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">下面我们采用 FastAPI 完成服务部署。<em style="color: rgb(145, 109, 213);font-style: italic;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">（完整代码，可在文末自取） <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">首先，定义数据模型，用于接收POST请求中的数据： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">class TTSRequest(BaseModel):     tts_text: str                       # 待合成的文本     voice_id: Optional[str] = "zf_001"      # 参考语音的id     speed: Optional[float] = None       # 语速 </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">接口功能函数： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">@app.post('/tts') def tts(request: TTSRequest):     voice_path = f'ckpts/kokoro-v1.1/voices/{request.voice_id}.pt'     if not os.path.exists(voice_path):         return JSONResponse(status_code=400, content={"error": "voice_id not found"})     voice_tensor = torch.load(voice_path, weights_only=True)     speed = speed_callable if request.speed is None else request.speed     generator = zh_pipeline(request.tts_text, voice=voice_tensor, speed=speed)     result = next(generator)     wav = result.audio.cpu().numpy()     wav = (wav * 32767).astype(np.int16)     wav_bytes = io.BytesIO()     wav_bytes.write(wav.tobytes())     wav_bytes.seek(0)     return StreamingResponse(wav_bytes, media_type='audio/pcm', headers=headers) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;"><strong style="color: rgb(145, 109, 213);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">注意：模型原始输出为 torch.tensor，可转成 int16 以 pcm 格式输出。 <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">最后，启动服务： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">nohup uvicorn server:app --host 0.0.0.0 --port 3008 > server.log 2>&1 & echo "Server started" </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">客户端测试代码： <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg kbcyznggu08mg3qlheiamqpnoe69vqcjcf2ostdygj4mweseihpl1klmxmmdoik8zozhyivhvibf4ch4dgynw55jjxok0wf6via 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;">def test():     data = {         'tts_text': '2024年12月21日，你好，欢迎使用语音合成服务，共收录2000余种语言。',     }     response = requests.post(f"{url}/tts", json=data)     pcm2wav(response.content) </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">对于<code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">数字播报</code>这一老大难问题，<code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">kokoro</code> 也能轻松拿捏，来听效果： <section nodeleaf=""> <mp-common-mpaudio class="js_editor_audio res_iframe js_uneditable custom_select_card" data-pluginname="insertaudio" name="kokoro-num" author="猴哥的AI知识库" src="/cgi-bin/readtemplate?t=tmpl/audio_tmpl&name=kokoro-num&play_length=7%E7%A7%92" isaac2="1" low_size="12.93" source_size="12.9" high_size="29.29" play_length="7000" data-trans_state="1" data-verify_state="3" voice_encode_fileid="MzkzMzY2MTkyN18yMjQ3NDg4OTEy" cover="https://wx.qlogo.cn/mmopen/l1BlcrnOO6TnMmibUYUfACWLNcCficWzsYGKqK3DN2dYKTF9jVRKcB2k9bpCk2I8u63dTdKicITKwoSEmF4QEWNtTk1icX4nARQFGzLOXtXdic4DBumSPOy1R0oibKhicGCmuwv/0"></mp-common-mpaudio> </section> <p data-tool="mdnice编辑器" style="color: rgb(0, 0, 0);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 8px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">就凭这，<code style="color: rgb(145, 109, 213);font-size: 16px;line-height: 1.8em;letter-spacing: 0em;background-attachment: scroll;background-clip: border-box;background-color: rgba(27, 31, 35, 0.05);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 2px;margin-right: 2px;padding-top: 2px;padding-bottom: 2px;padding-left: 4px;padding-right: 4px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;overflow-wrap: break-word;font-family: 'Operator Mono', Consolas, Monaco, Menlo, monospace;word-break: break-all;">kokoro</code> 吊打一众 TTS 巨无霸模型！ </section>

全面利用Deep Seek 优化独立站SEO的技巧来啦！包括外链资源寻找（附有Deep Seek使用资料）

作者：微信小助手

<section style="letter-spacing: 1.3px;padding: 0px;box-sizing: border-box;font-style: normal;font-weight: 400;text-align: justify;font-size: 16px;color: rgb(62, 62, 62);"> <section style="text-align: left;box-sizing: border-box;"> 一、SEO的核心逻辑：理解搜索引擎如何工作 1. 搜索引擎的三大目标 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">理解内容：通过爬虫抓取和分析网页内容</li> <li style="box-sizing: border-box;">评估质量：基于E-E-A-T原则（专业性、权威性、可信度）</li> <li style="box-sizing: border-box;">匹配意图：判断内容是否解决用户真实需求</li> </ul> 2. 谷歌算法核心关注点 </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/a006c6a1f028034826e09e7cebd70cb4.png" class="rich_pages wxw-img" data-ratio="0.32355723746452225" data-s="300,640" data-type="png" data-w="1057" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013465"> </section> </section> <section style="text-align: left;box-sizing: border-box;">    二、四步构建SEO基础框架 1. 关键词研究：找到用户的搜索语言 （1）工具与步骤 免费工具：Google Keyword Planner、AnswerThePublic 付费工具：SEMrush、Ahrefs（试用期可申请） 操作流程： 输入5个种子词（如"咖啡机"） 筛选搜索量≥300、竞争度≤40的词 按意图分类（信息/商业/导航/交易型） （2）实战案例：咖啡馆长尾词优化 成功案例 背景：某咖啡馆网站流量停滞，核心词"咖啡"竞争度过高（KD=85） 操作： 用AnswerThePublic挖掘疑问词："如何在家制作拿铁"、"咖啡豆保存方法" 筛选出20个搜索量200-500的长尾词 结果： 3个月内"咖啡豆保存方法"排名第1，带来月均1500次点击 相关页面用户停留时间达4分钟（高于全站均值2倍） 2. 网站技术优化：让谷歌爬虫畅通无阻 （1）必做技术项清单 </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/9090d08c0882e393704b498d4422e8f8.png" class="rich_pages wxw-img" data-ratio="0.36644798500468606" data-s="300,640" data-type="png" data-w="1067" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013466"> </section> </section> <section style="text-align: left;box-sizing: border-box;">    3. 内容策略：打造用户与搜索引擎都爱的内容 （1）内容创作黄金公式 标题：核心词+解决方案+附加值  ✅ 正例：“2023咖啡机选购指南｜5步避开智商税”  ❌ 反例：“咖啡机推荐｜点击查看详情” 正文结构： 用户痛点（前100字明确问题） <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">案例：某健身器材页以“90%健身者忽视的5个错误姿势”开篇，跳出率降低40%</li> </ul> 解决方案（分步骤/场景化说明） <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">案例：某母婴用品站用视频+图文展示婴儿车折叠步骤，页面分享率提高3倍</li> </ul> 权威背书（数据/证书/用户评价） <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">案例：某保健品页添加“FDA认证”图标，转化率提升18%</li> </ul> （2）内容更新周期 </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/53464dce6d6da5d7da8ba708bb1f400f.png" class="rich_pages wxw-img" data-ratio="0.2706855791962175" data-s="300,640" data-type="png" data-w="846" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013463"> </section> </section> <section style="text-align: left;box-sizing: border-box;"> 4. 权威信号建设：获取高质量外链 （1）安全外链获取策略 </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/2d2f15ef6158e31dbd2f54f2fefc5af3.png" class="rich_pages wxw-img" data-ratio="0.3113207547169811" data-s="300,640" data-type="png" data-w="1060" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013462"> </section> </section> <section style="text-align: left;box-sizing: border-box;"> （2）高危操作黑名单 ❌ 购买PBN（私有博客网络）外链案例：某电商站因购买PBN链接被谷歌降权，流量暴跌70% ❌ 群发垃圾评论获取链接案例：某教育机构在论坛群发链接，域名被标记为SPAM ❌ 使用完全匹配锚文本超50% 案例：某金融站过度优化“贷款计算器”锚文本，排名不升反降 </section> <section style="text-align: left;box-sizing: border-box;"> 三、执行SEO方案的六大禁忌与真实教训 禁忌1：关键词堆砌 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">案例：某旅游站重复堆砌"巴厘岛酒店"15次，被算法判定过度优化，排名消失</li> <li style="box-sizing: border-box;">解决方案：自然分布核心词（密度1.2%-1.8%），用LSI词替代</li> </ul> 禁忌2：忽视移动端 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">案例：某餐厅网站未适配移动端，60%用户3秒内跳出，谷歌排名持续下滑</li> <li style="box-sizing: border-box;">解决方案：用Google移动友好测试工具修复问题</li> </ul> 禁忌3：抄袭内容 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">案例：某健康站复制维基百科内容，Copyscape检测重复率62%，索引被删除</li> <li style="box-sizing: border-box;">解决方案：原创内容+AI改写检测</li> </ul> 禁忌4：忽略数据反馈 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">案例：某电商站半年未查看Search Console，后续觉得奇怪才发现500个页面未被索引</li> <li style="box-sizing: border-box;">解决方案：设置每周数据巡检制度</li> </ul> 禁忌5：闭门造车 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">案例：某工具站未分析竞品，错失"PDF转Word"等高价值词</li> <li style="box-sizing: border-box;">解决方案：用SEMrush分析3个竞品策略</li> </ul> 禁忌6：急功近利 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">案例：某新站1个月内发布200篇AI生成内容，被算法惩罚降权</li> <li style="box-sizing: border-box;">解决方案：保持自然增长节奏（每周发布2-3篇优质内容）</li> </ul> 四、新手必备工具包与使用场景 </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/62a152c68bef386a208d30e3a94c831a.png" class="rich_pages wxw-img" data-ratio="0.3242603550295858" data-s="300,640" data-type="png" data-w="845" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013464"> </section> </section> <section style="text-align: left;box-sizing: border-box;"> 五、30天快速启动计划与成果预期 </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;width: 100%;height: auto;box-sizing: border-box;" nodeleaf=""> <img src="/upload/b378fe1443b285ebf076b97a5d9f3704.png" class="rich_pages wxw-img" data-ratio="0.2964930924548353" data-s="300,640" data-type="png" data-w="941" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013469"> </section> </section> <section style="text-align: left;box-sizing: border-box;"> 如何利用DeepSeek深度赋能SEO优化全流程 一、DeepSeek在SEO中的核心价值 DeepSeek的核心优势：通过AI大模型的语义理解与生成能力，突破传统工具瓶颈，实现效率倍增+效果突破。以下为全流程整合方案： 二、分阶段深度应用指南 1. 关键词研究：智能语义挖掘 （1）长尾词矩阵 基于'咖啡机'找到4个包含场景、地域、疑问结构的搜索词 "咖啡机清洁方法视频教程",    "深圳南山咖啡机租赁服务",    "如何选择适合小户型的咖啡机",    "咖啡机不出蒸汽故障排查" 验证操作方式： <ol style="list-style-type: decimal;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">输入核心词+需求描述（如“带地域限定”“疑问句式”）</li> <li style="box-sizing: border-box;">导出JSON格式词表，导入SEMrush验证搜索量</li> <li style="box-sizing: border-box;">筛选KD<40且搜索量>200的词</li> </ol> （2）搜索意图深度解析 案例：分析“咖啡机推荐”的搜索意图演变： DeepSeek通过分析TOP100搜索结果，发现2024年用户更关注“节能参数”（提及率+35%） 建议内容增加“每月耗电量对比”模块 2. 内容优化：AI驱动的高效创作 （1）E-E-A-T增强内容生成 操作流程： 输入核心词+优化指令： "生成关于'咖啡机清洗'的专家级指南 要求： - 包含5个常见错误清洗方法 - 引用SCA（精品咖啡协会）标准 - 插入分步骤视频脚本" 输出内容经人工审核后发布 用Copyscape检测原创性（重复率<3%） 效率对比： </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/b3426586b859ea56e9dda9cb3bab4b8a.png" class="rich_pages wxw-img" data-ratio="0.2727272727272727" data-s="300,640" data-type="png" data-w="429" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013468"> </section> </section> <section style="text-align: left;box-sizing: border-box;"> 3. 技术SEO：智能化诊断与修复 （1）自动化代码优化 批量生成页面结构化数据 自动检测标记错误（如价格单位缺失） （2）智能异常监测 实时预警系统： 监控Search Console数据，当出现以下情况时触发警报： ✅ 核心词排名下跌>5位  ✅ 索引覆盖率下降>10% ✅ 移动可用性评分<90 自动生成诊断报告与修复建议 4. 外链建设：AI驱动的资源获取 （1）高权重媒体挖掘 操作流程： 输入行业关键词（如“咖啡器具评测”） DeepSeek分析TOP100文章，提取高DR媒体列表 生成个性化投稿邮件模板：  "您好[编辑姓名]，    我是[品牌]的咖啡设备专家，基于SCA标准撰写了《2024咖啡机清洁白皮书》，包含行业首创的[具体技术点]。此文已被[某协会]推荐，希望能为贵站读者提供价值..." （2）外链质量评估 AI评分模型： 外链质量评估维度评估指标 =  "域名权威性": 0.8,  # DR>60为优质     "内容相关性": 0.9,  # 与本站主题匹配度     "锚文本自然度": 0.7 # 商业关键词占比<30% 总评分 = sum(评估指标.values()) / len(评估指标)  # 0.8 应用场景： 自动过滤毒性外链（评分<0.6） 优先获取评分>0.85的优质外链 三、高阶应用：预测与策略优化 1. 流量预测模型 操作示例：输入历史数据（关键词排名/流量），DeepSeek预测： "优化'家用咖啡机推荐'至TOP3后：  - 预计月流量增长：1200-1500  - 转化率提升范围：1.8%-2.5%  - 需新增3个DR>50的外链支撑" 2. 算法更新应对 实时监控与策略调整： 当检测到HCU（Helpful Content Update）算法更新时： 自动扫描低质量内容（用户停留时间<1分钟） 生成重写建议（增加实操案例/专家问答） 优先更新流量下降>20%的页面 四、实施工具链配置建议 </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/a28a9f741e3fc89b09c240dfd4a9774d.png" class="rich_pages wxw-img" data-ratio="0.47586206896551725" data-s="300,640" data-type="png" data-w="580" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013470"> </section> </section> <section style="text-align: left;box-sizing: border-box;"> 五、风险控制与最佳实践 1. 人工审核是必须项 AI生成内容需通过Copyscape+人工校验 外链建设策略需手动确认媒体相关性 2. 效果对比案例 </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/7eef5b277a51a807f00d045b2c2dd93f.png" class="rich_pages wxw-img" data-ratio="0.3445121951219512" data-s="300,640" data-type="png" data-w="656" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013471"> </section> </section> <section style="text-align: left;box-sizing: border-box;"> 立即行动清单： 使用DeepSeek生成首个长尾词库（50词起步） 选择3个产品页测试AI生成Schema标记 配置核心词排名监控预警规则 通过DeepSeek的深度整合，SEO团队效率可提升3-5倍，同时内容质量评分提升40%+。建议从关键词挖掘和内容生成模块优先切入，逐步构建智能化工作流。 DeepSeek多语言SEO优化方案 一、突破语言边界的智能策略 1. 语义精准适配 语境感知翻译系统自动识别不同语种的表达习惯，例如： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">英语用户搜索"best budget coffee maker"时，侧重性价比参数对比</li> <li style="box-sizing: border-box;">日本用户查询"コーヒーメーカー省エネ"（节能咖啡机）时，强化能耗认证信息</li> <li style="box-sizing: border-box;">阿拉伯语场景下"ماكينة قهوة بدون صوت"（静音咖啡机）需突出降噪技术说明</li> </ul> 文化敏感度检测自动预警宗教禁忌与敏感历史关联词，例如： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">中东地区规避含有酒精成分的食品描述</li> <li style="box-sizing: border-box;">东南亚市场避免使用特定动物形象图标</li> </ul> 2. 多维度关键词体系 本地化长尾词矩阵基于地理特征生成适配词库： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">德国用户偏好技术参数："Kaffeevollautomat mit 15 Bar Druck"（15巴压力咖啡机）</li> <li style="box-sizing: border-box;">巴西市场关注促销信息："cafeteira automática com desconto"（自动咖啡机折扣）</li> <li style="box-sizing: border-box;">韩国流行趋势词："커피메이커 신제품 리뷰"（咖啡机新品评测）</li> </ul> 动态搜索趋势追踪实时监控各语言区热搜变化，例如： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">发现法语区"machine à café écologique"（环保咖啡机）搜索量月增45%</li> <li style="box-sizing: border-box;">及时生成《欧盟环保认证咖啡机选购指南》法文版</li> </ul> 二、全流程技术适配方案 1. 地理智能识别系统 IP定位优化自动推送地域适配内容： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">墨西哥用户访问时优先展示西班牙语内容</li> <li style="box-sizing: border-box;">加拿大法语区用户获取魁北克方言优化版本</li> </ul> 多语言站群架构智能配置技术要素： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">自动生成hreflang标签关联各语言版本</li> <li style="box-sizing: border-box;">动态调整服务器响应时间（欧洲节点<0.8秒，亚洲节点<1.2秒）</li> </ul> 2. 跨平台内容管理 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">统一内容枢纽中央控制台实现：多语言内容版本对比自动同步产品数据更新批量管理50+语言元标签</li> <li style="box-sizing: border-box;">智能翻译记忆库积累行业专属术语库：医疗设备领域精准对应"MRI"与"磁共振成像"法律文件保持条款表述一致性</li> </ul> 三、本地化权威建设体系 1. 区域化外联网络 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">高权重平台智能匹配自动推荐各语种优质资源：</li> </ul> </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/5697d809dc17755682e75fe55c4de0a5.png" class="rich_pages wxw-img" data-ratio="0.4444444444444444" data-s="300,640" data-type="png" data-w="432" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013467"> </section> </section> <section style="text-align: left;box-sizing: border-box;">    本地KOL合作管理建立跨国红人数据库： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">自动分析红人领域匹配度</li> <li style="box-sizing: border-box;">生成个性化合作邀约模板</li> <li style="box-sizing: border-box;">追踪合作内容传播效果</li> </ul> 2. 区域性信任背书 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">自动生成合规文档适配各地法规要求：</li> <li style="box-sizing: border-box;">欧盟CE认证多语言说明书</li> <li style="box-sizing: border-box;">北美UL安全认证指南</li> <li style="box-sizing: border-box;">中国GB国家标准解读</li> </ul> 本地客户证言系统智能收集展示案例： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">自动抓取Google My Business多语言评价</li> <li style="box-sizing: border-box;">生成带地理标签的成功案例库</li> </ul> 四、智能监测与持续优化 1. 多维度数据看板 实时流量追踪可视化展示： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">各语言版本流量占比</li> <li style="box-sizing: border-box;">本地搜索词排名波动</li> <li style="box-sizing: border-box;">跨语言内容转化对比</li> </ul> 智能预警系统自动识别风险： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">某语种跳出率突增20%</li> <li style="box-sizing: border-box;">特定地区索引页面异常减少</li> <li style="box-sizing: border-box;">重要关键词排名连续下降</li> </ul> 2. 动态优化建议 内容迭代提示基于用户行为分析： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">发现西班牙语用户偏爱视频教程</li> <li style="box-sizing: border-box;">建议将图文指南转化为短视频</li> </ul> 竞品策略透视跨国竞品监控： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">分析德国竞品的技术文档结构</li> <li style="box-sizing: border-box;">比对中国竞品的促销话术设计</li> </ul> 五、实施路径与效果预测 1. 三阶段实施计划 </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/6e95da0d468bd09c929d69260871ed44.png" class="rich_pages wxw-img" data-ratio="0.36217948717948717" data-s="300,640" data-type="png" data-w="624" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013473"> </section> </section> <section style="text-align: left;box-sizing: border-box;"> 2. 成本效率对比 </section> <section style="line-height: 0;box-sizing: border-box;"> <section style="max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;" nodeleaf=""> <img src="/upload/3a256f89041dee48500f2005a6320ea4.png" class="rich_pages wxw-img" data-ratio="0.3729641693811075" data-s="300,640" data-type="png" data-w="614" style="vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;" data-imgfileid="100013472"> </section> </section> <section style="text-align: left;box-sizing: border-box;"> 六、成功案例实证 <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">案例：智能家电品牌全球化突围</li> <li style="box-sizing: border-box;">挑战：需在6个月内实现8种语言的SEO覆盖，目标进入20国市场Top3</li> </ul> 解决方案： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">生成8000+本地化长尾词库</li> <li style="box-sizing: border-box;">自动创建适配各区域的环保认证文档</li> <li style="box-sizing: border-box;">建立跨语言客户案例库</li> </ul> 成果： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">德语区核心词排名6周进入Top5</li> <li style="box-sizing: border-box;">阿拉伯语版本转化率超本地品牌40%</li> <li style="box-sizing: border-box;">整体优化成本降低67%</li> </ul> 行动建议： <ul style="list-style-type: disc;box-sizing: border-box;padding-left: 40px;list-style-position: outside;" class="list-paddingleft-2"> <li style="box-sizing: border-box;">启动多语言SEO智能诊断（免费生成风险报告）</li> <li style="box-sizing: border-box;">选择3个战略市场试点AI优化方案</li> <li style="box-sizing: border-box;">预约跨国SEO架构师定制路线图</li> </ul> 通过DeepSeek的智能系统，可突破传统多语言管理的资源瓶颈，实现全球化精准获客。从关键词到内容，从技术到运营，全方位提升。 </section> </section>

47.3K star！这款开源RAG引擎真香！文档理解+精准检索+可视化干预，一站式搞定！

作者：微信小助手

<section data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 10px;padding-right: 10px;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;font-family: Optima, 'Microsoft YaHei', PingFangSC-regular, serif;font-size: 16px;color: rgb(0, 0, 0);line-height: 1.5em;word-spacing: 0em;letter-spacing: 0em;word-break: break-word;overflow-wrap: break-word;text-align: left;" data-pm-slice="0 0 []"> <blockquote style="margin-top: 20px;margin-bottom: 20px;margin-left: 0px;margin-right: 0px;padding-top: 10px;padding-bottom: 10px;padding-left: 20px;padding-right: 10px;border-top-style: none;border-bottom-style: none;border-left-style: solid;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgb(53, 179, 120);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;background-attachment: scroll;background-clip: border-box;background-color: rgb(251, 249, 253);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;display: block;overflow-x: auto;overflow-y: auto;"> <p style="text-indent: 0em;padding-top: 16px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;font-weight: normal;margin-top: 0px;margin-right: 0px;margin-bottom: 0px;margin-left: 0px;"><strong style="color: rgb(74, 74, 74);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">RAGFlow 是基于深度文档理解的开源RAG引擎，通过与LLM结合提供带精准引用的问答能力。支持20+文档格式解析，提供智能分块策略和混合检索方案，具备可视化干预界面，支持Docker快速部署，是企业级知识库构建的利器！ </blockquote> <h2 data-cacheurl="" data-remoteid="" data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-left: 0px;padding-right: 0px;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 50%;background-position-y: 50%;background-repeat: no-repeat;background-size: 63px;width: auto;height: auto;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;text-align: left;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljxzjk51k5r0aedpwtfeoyvichjplcca76mmvuud5wbkg30er9sajpgng 640?wx_fmt="png&from=appmsg");""><span style="font-size: 18px;color: rgb(72, 179, 120);line-height: 2.4em;letter-spacing: 0em;margin-top: 38px;margin-bottom: 10px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: 38px;justify-content: unset;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: center;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">为什么你需要这个神器？</h2> <p data-tool="mdnice编辑器" style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 16px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">在企业知识管理、法律文书分析、学术研究等场景中，我们常面临三大痛点： <ol style="list-style-type: decimal;margin-top: 8px;margin-bottom: 8px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 25px;padding-right: 0px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;font-weight: normal;"> 多格式文档解析困难（合同/论文/报表等） </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;font-weight: normal;"> 传统检索方式准确率低 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;font-weight: normal;"> AI问答存在"幻觉"风险 </section></li> </ol> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/f79b049d88d0a69c31e2ed3aaad89462.jpg" class="rich_pages wxw-img" data-ratio="0.562962962962963" data-type="jpeg" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100007162"> </figure> <p data-tool="mdnice编辑器" style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 16px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">RAGFlow 正是为解决这些问题而生！ <h2 data-cacheurl="" data-remoteid="" data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-left: 0px;padding-right: 0px;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 50%;background-position-y: 50%;background-repeat: no-repeat;background-size: 63px;width: auto;height: auto;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;text-align: left;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljxzjk51k5r0aedpwtfeoyvichjplcca76mmvuud5wbkg30er9sajpgng 640?wx_fmt="png&from=appmsg");""><span style="font-size: 18px;color: rgb(72, 179, 120);line-height: 2.4em;letter-spacing: 0em;margin-top: 38px;margin-bottom: 10px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: 38px;justify-content: unset;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: center;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">五大核心功能亮剑</h2> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span data-cacheurl="" data-remoteid="" style="background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: 15px 15px;width: 15px;height: 15px;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;color: rgb(0, 0, 0);display: inline-block;font-size: 22px;font-weight: bold;flex-direction: unset;float: unset;justify-content: unset;letter-spacing: 0px;line-height: 1.5em;margin-top: 0px;margin-bottom: -2px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljiicg8iccbcdl8vbgcoeokkwc2p3jq31drvgjvzyf0fhvwkrybyv7peqg 640?wx_fmt="png&from=appmsg");""><span style="font-size: 16px;color: rgb(72, 179, 120);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 8px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">深度文档理解</h3> <ul style="list-style-type: disc;margin-top: 8px;margin-bottom: 8px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 25px;padding-right: 0px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;font-weight: normal;"> 支持格式：PDF/DOCX/PPT/XLSX/JPG等20+常见格式 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;font-weight: normal;"> 特色解析： ✅ 表格数据结构化提取 ✅ 数学公式Latex格式保留 ✅ 图片OCR文字识别 ✅ 多栏排版智能重组 </section></li> </ul> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span data-cacheurl="" data-remoteid="" style="background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: 15px 15px;width: 15px;height: 15px;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;color: rgb(0, 0, 0);display: inline-block;font-size: 22px;font-weight: bold;flex-direction: unset;float: unset;justify-content: unset;letter-spacing: 0px;line-height: 1.5em;margin-top: 0px;margin-bottom: -2px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljiicg8iccbcdl8vbgcoeokkwc2p3jq31drvgjvzyf0fhvwkrybyv7peqg 640?wx_fmt="png&from=appmsg");""><span style="font-size: 16px;color: rgb(72, 179, 120);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 8px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">智能分块策略</h3> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg wzjhlvpsrd3ef7sqnh3uco6zmibsqgacdibndmqyq0wsy2p7k3aseainqjjiqli4tf4mic0nhvrnt5acljmblnjflsxotf9tckh 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 分块配置示例（yaml格式） chunk:   splitter: "smart"   max_length: 512   overlap: 64   image_caption: true </code></pre> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span data-cacheurl="" data-remoteid="" style="background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: 15px 15px;width: 15px;height: 15px;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;color: rgb(0, 0, 0);display: inline-block;font-size: 22px;font-weight: bold;flex-direction: unset;float: unset;justify-content: unset;letter-spacing: 0px;line-height: 1.5em;margin-top: 0px;margin-bottom: -2px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljiicg8iccbcdl8vbgcoeokkwc2p3jq31drvgjvzyf0fhvwkrybyv7peqg 640?wx_fmt="png&from=appmsg");""><span style="font-size: 16px;color: rgb(72, 179, 120);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 8px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">混合检索方案</h3> <ol style="list-style-type: decimal;margin-top: 8px;margin-bottom: 8px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 25px;padding-right: 0px;color: rgb(0, 0, 0);" class="list-paddingleft-1"> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;font-weight: normal;"> 语义检索（Embedding模型） </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;font-weight: normal;"> 关键词检索（BM25算法） </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;font-weight: normal;"> 多路召回结果融合排序 </section></li> </ol> <h3 data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: block;flex-direction: unset;float: unset;height: auto;justify-content: unset;line-height: 1.5em;overflow-x: unset;overflow-y: unset;text-align: left;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;"><span data-cacheurl="" data-remoteid="" style="background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: 15px 15px;width: 15px;height: 15px;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;color: rgb(0, 0, 0);display: inline-block;font-size: 22px;font-weight: bold;flex-direction: unset;float: unset;justify-content: unset;letter-spacing: 0px;line-height: 1.5em;margin-top: 0px;margin-bottom: -2px;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljiicg8iccbcdl8vbgcoeokkwc2p3jq31drvgjvzyf0fhvwkrybyv7peqg 640?wx_fmt="png&from=appmsg");""><span style="font-size: 16px;color: rgb(72, 179, 120);line-height: 1.5em;letter-spacing: 0em;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: auto;justify-content: unset;margin-top: 0px;margin-bottom: 0px;margin-left: 8px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: left;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">灵活部署方案</h3> <pre data-tool="mdnice编辑器" style="border-radius: 5px;box-shadow: rgba(0, 0, 0, 0.55) 0px 2px 10px;text-align: left;margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;"><span data-cacheurl="" data-remoteid="" style="display: block;background: none;height: 30px;width: 100%;background-size: 40px;background-repeat: no-repeat;background-color: #282c34;margin-bottom: -7px;border-radius: 5px;background-position: 10px 10px;background-image: url(" https: mmbiz.qpic.cn mmbiz_svg wzjhlvpsrd3ef7sqnh3uco6zmibsqgacdibndmqyq0wsy2p7k3aseainqjjiqli4tf4mic0nhvrnt5acljmblnjflsxotf9tckh 640?wx_fmt="svg&from=appmsg");""><code style="overflow-x: auto;padding: 16px;color: #abb2bf;padding-top: 15px;background: #282c34;border-radius: 5px;display: -webkit-box;font-family: Consolas, Monaco, Menlo, monospace;font-size: 12px;"># 一键启动命令 docker compose -f docker/docker-compose.yml up -d </code></pre> <p data-tool="mdnice编辑器" style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 16px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">支持CPU/GPU环境，最小4核CPU+16GB内存即可运行 <h2 data-cacheurl="" data-remoteid="" data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-left: 0px;padding-right: 0px;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 50%;background-position-y: 50%;background-repeat: no-repeat;background-size: 63px;width: auto;height: auto;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;text-align: left;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljxzjk51k5r0aedpwtfeoyvichjplcca76mmvuud5wbkg30er9sajpgng 640?wx_fmt="png&from=appmsg");""><span style="font-size: 18px;color: rgb(72, 179, 120);line-height: 2.4em;letter-spacing: 0em;margin-top: 38px;margin-bottom: 10px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: 38px;justify-content: unset;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: center;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">技术架构解密</h2> <section data-tool="mdnice编辑器" style="margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;overflow-x: auto;"> <table style="display: table;text-align: left;"> <thead> <tr> <th style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.5em;letter-spacing: 0.02em;text-align: left;font-weight: bold;background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(240, 240, 240);height: auto;border-style: solid;border-width: 1px;border-color: rgba(204, 204, 204, 0.4);border-radius: 0px;padding: 5px 10px;min-width: 85px;"> <section> 组件 </section></th> <th style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.5em;letter-spacing: 0.02em;text-align: left;font-weight: bold;background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(240, 240, 240);height: auto;border-style: solid;border-width: 1px;border-color: rgba(204, 204, 204, 0.4);border-radius: 0px;padding: 5px 10px;min-width: 85px;"> <section> 技术选型 </section></th> <th style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.5em;letter-spacing: 0.02em;text-align: left;font-weight: bold;background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(240, 240, 240);height: auto;border-style: solid;border-width: 1px;border-color: rgba(204, 204, 204, 0.4);border-radius: 0px;padding: 5px 10px;min-width: 85px;"> <section> 核心作用 </section></th> </tr> </thead> <tbody> <tr style="color: rgb(63, 63, 63);background-attachment: scroll;background-clip: border-box;background-color: rgb(255, 255, 255);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;"> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 文档解析引擎 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> Apache Tika+自定义解析器 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 多格式文档内容提取 </section></td> </tr> <tr style="color: rgb(0, 0, 0);background-attachment: scroll;background-clip: border-box;background-color: rgb(248, 248, 248);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;"> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 向量数据库 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> Elasticsearch 8.x </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 支持混合检索方案 </section></td> </tr> <tr style="color: rgb(63, 63, 63);background-attachment: scroll;background-clip: border-box;background-color: rgb(255, 255, 255);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;"> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 对象存储 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> MinIO </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 原始文件存储管理 </section></td> </tr> <tr style="color: rgb(0, 0, 0);background-attachment: scroll;background-clip: border-box;background-color: rgb(248, 248, 248);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;"> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 任务调度 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> Celery </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 分布式文档解析任务处理 </section></td> </tr> <tr style="color: rgb(63, 63, 63);background-attachment: scroll;background-clip: border-box;background-color: rgb(255, 255, 255);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;"> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 前端框架 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> React+Ant Design </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 可视化操作界面 </section></td> </tr> </tbody> </table> </section> <h2 data-cacheurl="" data-remoteid="" data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-left: 0px;padding-right: 0px;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 50%;background-position-y: 50%;background-repeat: no-repeat;background-size: 63px;width: auto;height: auto;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;text-align: left;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljxzjk51k5r0aedpwtfeoyvichjplcca76mmvuud5wbkg30er9sajpgng 640?wx_fmt="png&from=appmsg");""><span style="font-size: 18px;color: rgb(72, 179, 120);line-height: 2.4em;letter-spacing: 0em;margin-top: 38px;margin-bottom: 10px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: 38px;justify-content: unset;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: center;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">五大独特优势</h2> <p data-tool="mdnice编辑器" style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 16px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">相较于同类项目，RAGFlow 具备以下优势： <section data-tool="mdnice编辑器" style="margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;overflow-x: auto;"> <table style="display: table;text-align: left;"> <thead> <tr> <th style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.5em;letter-spacing: 0.02em;text-align: left;font-weight: bold;background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(240, 240, 240);height: auto;border-style: solid;border-width: 1px;border-color: rgba(204, 204, 204, 0.4);border-radius: 0px;padding: 5px 10px;min-width: 85px;"> <section> 对比维度 </section></th> <th style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.5em;letter-spacing: 0.02em;text-align: left;font-weight: bold;background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(240, 240, 240);height: auto;border-style: solid;border-width: 1px;border-color: rgba(204, 204, 204, 0.4);border-radius: 0px;padding: 5px 10px;min-width: 85px;"> <section> RAGFlow </section></th> <th style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.5em;letter-spacing: 0.02em;text-align: left;font-weight: bold;background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(240, 240, 240);height: auto;border-style: solid;border-width: 1px;border-color: rgba(204, 204, 204, 0.4);border-radius: 0px;padding: 5px 10px;min-width: 85px;"> <section> LangChain </section></th> <th style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.5em;letter-spacing: 0.02em;text-align: left;font-weight: bold;background: none 0% 0% / auto no-repeat scroll padding-box border-box rgb(240, 240, 240);height: auto;border-style: solid;border-width: 1px;border-color: rgba(204, 204, 204, 0.4);border-radius: 0px;padding: 5px 10px;min-width: 85px;"> <section> LlamaIndex </section></th> </tr> </thead> <tbody> <tr style="color: rgb(63, 63, 63);background-attachment: scroll;background-clip: border-box;background-color: rgb(255, 255, 255);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;"> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 文档解析能力 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ✅ 20+格式深度解析 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ⚠️ 基础文本解析 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ⚠️ 基础文本解析 </section></td> </tr> <tr style="color: rgb(0, 0, 0);background-attachment: scroll;background-clip: border-box;background-color: rgb(248, 248, 248);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;"> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 分块策略 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ✅ 智能布局分析 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ⚠️ 固定窗口分块 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ✅ 基础语义分块 </section></td> </tr> <tr style="color: rgb(63, 63, 63);background-attachment: scroll;background-clip: border-box;background-color: rgb(255, 255, 255);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;"> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 检索方案 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ✅ 混合检索 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ✅ 向量检索 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ⚠️ 单一检索方式 </section></td> </tr> <tr style="color: rgb(0, 0, 0);background-attachment: scroll;background-clip: border-box;background-color: rgb(248, 248, 248);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;"> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 可视化干预 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ✅ 完整干预流程 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ❌ 无 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ❌ 无 </section></td> </tr> <tr style="color: rgb(63, 63, 63);background-attachment: scroll;background-clip: border-box;background-color: rgb(255, 255, 255);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;"> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> 企业级特性 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ✅ 用户权限/审计日志 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ⚠️ 需二次开发 </section></td> <td style="padding-top: 5px;padding-right: 10px;padding-bottom: 5px;padding-left: 10px;min-width: 85px;border-top-style: solid;border-bottom-style: solid;border-left-style: solid;border-right-style: solid;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgba(204, 204, 204, 0.4);border-bottom-color: rgba(204, 204, 204, 0.4);border-left-color: rgba(204, 204, 204, 0.4);border-right-color: rgba(204, 204, 204, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;"> <section> ⚠️ 需二次开发 </section></td> </tr> </tbody> </table> </section> <h2 data-cacheurl="" data-remoteid="" data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-left: 0px;padding-right: 0px;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 50%;background-position-y: 50%;background-repeat: no-repeat;background-size: 63px;width: auto;height: auto;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;text-align: left;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljxzjk51k5r0aedpwtfeoyvichjplcca76mmvuud5wbkg30er9sajpgng 640?wx_fmt="png&from=appmsg");""><span style="font-size: 18px;color: rgb(72, 179, 120);line-height: 2.4em;letter-spacing: 0em;margin-top: 38px;margin-bottom: 10px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: 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0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">Haystack：工业级NLP管道框架，适合复杂业务场景 </section></li> <li> <section style="margin-top: 5px;margin-bottom: 5px;color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;font-weight: normal;"> <strong style="color: rgb(74, 74, 74);font-weight: bold;background-attachment: scroll;background-clip: border-box;background-color: rgba(0, 0, 0, 0);background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;width: auto;height: auto;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-right-radius: 0px;border-bottom-left-radius: 0px;">Milvus：专业向量数据库，适合超大规模向量检索 </section></li> </ol> <h2 data-cacheurl="" data-remoteid="" data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-left: 0px;padding-right: 0px;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 50%;background-position-y: 50%;background-repeat: no-repeat;background-size: 63px;width: auto;height: auto;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;text-align: left;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljxzjk51k5r0aedpwtfeoyvichjplcca76mmvuud5wbkg30er9sajpgng 640?wx_fmt="png&from=appmsg");""><span style="font-size: 18px;color: rgb(72, 179, 120);line-height: 2.4em;letter-spacing: 0em;margin-top: 38px;margin-bottom: 10px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: 38px;justify-content: unset;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: center;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">界面效果</h2> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/e8ef8e26adcef33c7ca70b283f5d9e00.png" class="rich_pages wxw-img" data-ratio="0.5509259259259259" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100007158"> </figure> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/a2776b3d8a660cad1a22af5db5454c40.png" class="rich_pages wxw-img" data-ratio="0.5472222222222223" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100007159"> </figure> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/697fc889afc83c92f86fda63ec81a8ee.png" class="rich_pages wxw-img" data-ratio="0.5453703703703704" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100007160"> </figure> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/42ee2843d97612c2bf02d05d5e7ef6be.png" class="rich_pages wxw-img" data-ratio="0.5462962962962963" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100007167"> </figure> <figure data-tool="mdnice编辑器" style="margin-top: 10px;margin-bottom: 10px;margin-left: 0px;margin-right: 0px;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;display: flex;flex-direction: column;justify-content: center;align-items: center;"> <img src="/upload/ae1eb9b1e7caad61392c9f2fea608dda.png" class="rich_pages wxw-img" data-ratio="0.5444444444444444" data-type="png" data-w="1080" style="display: block;margin-top: 0px;margin-right: auto;margin-bottom: 0px;margin-left: auto;max-width: 100%;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 3px;border-bottom-width: 3px;border-left-width: 3px;border-right-width: 3px;border-top-color: rgba(0, 0, 0, 0.4);border-bottom-color: rgba(0, 0, 0, 0.4);border-left-color: rgba(0, 0, 0, 0.4);border-right-color: rgba(0, 0, 0, 0.4);border-top-left-radius: 4px;border-top-right-radius: 4px;border-bottom-right-radius: 4px;border-bottom-left-radius: 4px;object-fit: fill;box-shadow: rgba(0, 0, 0, 0) 0px 0px 0px 0px;" data-imgfileid="100007166"> </figure> <h2 data-cacheurl="" data-remoteid="" data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-left: 0px;padding-right: 0px;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 50%;background-position-y: 50%;background-repeat: no-repeat;background-size: 63px;width: auto;height: auto;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;text-align: left;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljxzjk51k5r0aedpwtfeoyvichjplcca76mmvuud5wbkg30er9sajpgng 640?wx_fmt="png&from=appmsg");""><span style="font-size: 18px;color: rgb(72, 179, 120);line-height: 2.4em;letter-spacing: 0em;margin-top: 38px;margin-bottom: 10px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: 38px;justify-content: unset;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: center;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">总结</h2> <p data-tool="mdnice编辑器" style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 16px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">"当大模型遇上深度文档解析，RAGFlow 用结构化思维重新定义知识管理——支持20+格式智能解析、混合检索增强、可视化干预，让企业级知识库搭建像搭积木一样简单！" <h2 data-cacheurl="" data-remoteid="" data-tool="mdnice编辑器" style="margin-top: 30px;margin-bottom: 15px;margin-left: 0px;margin-right: 0px;padding-left: 0px;padding-right: 0px;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-origin: padding-box;background-position-x: 50%;background-position-y: 50%;background-repeat: no-repeat;background-size: 63px;width: auto;height: auto;align-items: unset;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;box-shadow: none;display: flex;flex-direction: unset;float: unset;justify-content: center;line-height: 1.5em;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;text-align: left;text-shadow: none;transform: none;-webkit-box-reflect: unset;background-image: url(" https: mmbiz.qpic.cn mmbiz_png mrgvnruiwydfpgqx7myyyzbimhibrggljxzjk51k5r0aedpwtfeoyvichjplcca76mmvuud5wbkg30er9sajpgng 640?wx_fmt="png&from=appmsg");""><span style="font-size: 18px;color: rgb(72, 179, 120);line-height: 2.4em;letter-spacing: 0em;margin-top: 38px;margin-bottom: 10px;border-top-style: none;border-bottom-style: none;border-left-style: none;border-right-style: none;border-top-width: 1px;border-bottom-width: 1px;border-left-width: 1px;border-right-width: 1px;border-top-color: rgb(0, 0, 0);border-bottom-color: rgb(0, 0, 0);border-left-color: rgb(0, 0, 0);border-right-color: rgb(0, 0, 0);border-top-left-radius: 0px;border-top-right-radius: 0px;border-bottom-left-radius: 0px;border-bottom-right-radius: 0px;align-items: unset;background-attachment: scroll;background-clip: border-box;background-color: transparent;background-image: none;background-origin: padding-box;background-position-x: 0%;background-position-y: 0%;background-repeat: no-repeat;background-size: auto;box-shadow: none;display: inline-block;font-weight: bold;flex-direction: unset;float: unset;height: 38px;justify-content: unset;margin-left: 0px;margin-right: 0px;overflow-x: unset;overflow-y: unset;padding-top: 0px;padding-bottom: 0px;padding-left: 0px;padding-right: 0px;text-align: center;text-indent: 0em;text-shadow: none;transform: none;width: auto;-webkit-box-reflect: unset;">项目地址</h2> <p data-tool="mdnice编辑器" style="color: rgb(63, 63, 63);font-size: 16px;line-height: 1.8em;letter-spacing: 0.02em;text-align: left;text-indent: 0em;margin-top: 0px;margin-bottom: 0px;margin-left: 0px;margin-right: 0px;padding-top: 16px;padding-bottom: 8px;padding-left: 0px;padding-right: 0px;">https://github.com/infiniflow/ragflow </section>

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