{"id":59808,"date":"2025-09-25T16:06:03","date_gmt":"2025-09-25T08:06:03","guid":{"rendered":"https:\/\/www.kdjingpai.com\/?p=59808"},"modified":"2025-09-25T16:06:03","modified_gmt":"2025-09-25T08:06:03","slug":"dify-xinzhishiliushui","status":"publish","type":"post","link":"https:\/\/www.kdjingpai.com\/en\/dify-xinzhishiliushui\/","title":{"rendered":"Dify \u65b0\u77e5\u8bc6\u6d41\u6c34\u7ebf\uff1a\u7528\u201c\u7236\u5b50\u5206\u5757\u201d\u6a21\u677f\u653b\u514b RAG \u4e0a\u4e0b\u6587\u96be\u9898"},"content":{"rendered":"<p>\u5728\u6784\u5efa\u57fa\u4e8e\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u7684\u77e5\u8bc6\u5e93\u95ee\u7b54\u5e94\u7528\u65f6\uff0c\u5f00\u53d1\u8005\u666e\u904d\u4f1a\u91c7\u7528\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff08RAG\uff09\u6280\u672f\u3002\u7136\u800c\uff0cRAG \u7684\u5b9e\u9645\u6548\u679c\u5e38\u5e38\u53d7\u9650\u4e8e\u4e00\u4e2a\u6838\u5fc3\u77db\u76fe\uff1a\u5982\u4f55\u5e73\u8861\u68c0\u7d22\u7684<strong>\u7cbe\u786e\u6027<\/strong>\u4e0e\u4e0a\u4e0b\u6587\u7684<strong>\u5b8c\u6574\u6027<\/strong>\u3002\u5982\u679c\u6587\u672c\u5207\u7247\uff08Chunk\uff09\u8fc7\u5c0f\uff0c\u867d\u7136\u80fd\u7cbe\u51c6\u547d\u4e2d\u7528\u6237\u67e5\u8be2\uff0c\u4f46\u63d0\u4f9b\u7ed9 LLM \u7684\u4e0a\u4e0b\u6587\u4e0d\u8db3\uff0c\u5bfc\u81f4\u56de\u7b54\u8d28\u91cf\u4e0b\u964d\uff1b\u5982\u679c\u5207\u7247\u8fc7\u5927\uff0c\u867d\u7136\u4e0a\u4e0b\u6587\u5b8c\u6574\uff0c\u5374\u53ef\u80fd\u5f15\u5165\u8fc7\u591a\u566a\u58f0\uff0c\u53cd\u800c\u964d\u4f4e\u4e86\u68c0\u7d22\u7684\u51c6\u786e\u5ea6\u3002<\/p>\n<p>\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e00\u6311\u6218\uff0c <a href=\"https:\/\/www.kdjingpai.com\/dify\/\">Dify<\/a> \u5728 1.9.0 \u7248\u672c\u4e2d\u5f15\u5165\u4e86\u540d\u4e3a\u00a0<code>Parent-child-HQ<\/code>\u00a0\u7684\u5185\u7f6e\u77e5\u8bc6\u5904\u7406\u6d41\u6c34\u7ebf\u6a21\u677f\u3002\u8be5\u6a21\u677f\u91c7\u7528\u201c\u7236\u5b50\u5206\u5757\u201d\uff08Parent-Child Chunking\uff09\u7b56\u7565\uff0c\u901a\u8fc7\u4e00\u79cd\u5de7\u5999\u7684\u5c42\u7ea7\u5316\u5206\u5757\u65b9\u6cd5\uff0c\u8bd5\u56fe\u540c\u65f6\u5b9e\u73b0\u9c7c\u4e0e\u718a\u638c\u517c\u5f97\u3002\u672c\u6587\u5c06\u4ece\u6838\u5fc3\u7406\u5ff5\u3001\u5b9e\u8df5\u914d\u7f6e\u4ee5\u53ca\u6e90\u7801\u5b9e\u73b0\u4e09\u4e2a\u5c42\u9762\uff0c\u6df1\u5165\u5256\u6790\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<h2>\u6838\u5fc3\u7406\u5ff5\uff1a\u7236\u5b50\u5206\u5757\u7b56\u7565<\/h2>\n<p>\u201c\u7236\u5b50\u5206\u5757\u201d\u7b56\u7565\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u6587\u672c\u4fe1\u606f\u7ed3\u6784\u5316\u4e3a\u4e24\u4e2a\u5c42\u7ea7\u8fdb\u884c\u5904\u7406\uff0c\u4ece\u800c\u89e3\u8026\u68c0\u7d22\u5339\u914d\u4e0e\u5185\u5bb9\u751f\u6210\u8fd9\u4e24\u4e2a\u73af\u8282\u5bf9\u6587\u672c\u7c92\u5ea6\u7684\u4e0d\u540c\u8981\u6c42\u3002<\/p>\n<ul>\n<li><strong>\u5b50\u5757\uff08Child Chunks\uff09\u7528\u4e8e\u7cbe\u786e\u5339\u914d<\/strong>\uff1a\u539f\u59cb\u6587\u6863\u88ab\u62c6\u5206\u6210\u4e00\u7cfb\u5217\u7ec6\u7c92\u5ea6\u7684\u3001\u5185\u5bb9\u9ad8\u5ea6\u96c6\u4e2d\u7684\u201c\u5b50\u5757\u201d\u3002\u8fd9\u4e9b\u5b50\u5757\u901a\u5e38\u662f\u4e00\u53e5\u8bdd\u6216\u4e00\u4e2a\u77ed\u6bb5\u843d\uff0c\u4e13\u95e8\u7528\u4e8e\u548c\u7528\u6237\u7684\u67e5\u8be2\u5411\u91cf\u8fdb\u884c\u8bed\u4e49\u76f8\u4f3c\u5ea6\u8ba1\u7b97\u3002\u7531\u4e8e\u5176\u7c92\u5ea6\u5c0f\uff0c\u80fd\u591f\u5b9e\u73b0\u975e\u5e38\u7cbe\u786e\u7684\u5339\u914d\u3002<\/li>\n<li><strong>\u7236\u5757\uff08Parent Chunks\uff09\u7528\u4e8e\u63d0\u4f9b\u5b8c\u6574\u4e0a\u4e0b\u6587<\/strong>\uff1a\u6bcf\u4e2a\u5b50\u5757\u90fd\u5f52\u5c5e\u4e8e\u4e00\u4e2a\u8303\u56f4\u66f4\u5927\u7684\u201c\u7236\u5757\u201d\uff0c\u8fd9\u4e2a\u7236\u5757\u53ef\u80fd\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u6bb5\u843d\u3001\u4e00\u4e2a\u7ae0\u8282\uff0c\u751a\u81f3\u662f\u6574\u7bc7\u6587\u6863\u3002\u5f53\u7cfb\u7edf\u901a\u8fc7\u5b50\u5757\u9501\u5b9a\u6700\u76f8\u5173\u7684\u5339\u914d\u9879\u540e\uff0c\u5b9e\u9645\u9001\u5165 LLM \u8fdb\u884c\u5185\u5bb9\u751f\u6210\u7684\uff0c\u662f\u5305\u542b\u8fd9\u4e9b\u5b50\u5757\u7684\u5b8c\u6574\u201c\u7236\u5757\u201d\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u673a\u5236\u786e\u4fdd\u4e86 LLM \u5728\u56de\u7b54\u95ee\u9898\u65f6\uff0c\u80fd\u591f\u201c\u9605\u8bfb\u201d\u5230\u5339\u914d\u4fe1\u606f\u6240\u5728\u7684\u6700\u5b8c\u6574\u7684\u539f\u59cb\u8bed\u5883\uff0c\u4ece\u800c\u751f\u6210\u903b\u8f91\u8fde\u8d2f\u4e14\u4fe1\u606f\u4e30\u5bcc\u7684\u56de\u7b54\u3002<\/p>\n<p>\u8fd9\u4e00\u9ad8\u7ea7\u7b56\u7565\u4f9d\u8d56\u5411\u91cf\u68c0\u7d22\u6765\u8ba1\u7b97\u8bed\u4e49\u76f8\u4f3c\u5ea6\uff0c\u56e0\u6b64\u4ec5\u652f\u6301 Dify \u77e5\u8bc6\u5e93\u4e2d\u7684\u00a0<strong>HQ\uff08\u9ad8\u8d28\u91cf\uff09<\/strong>\u00a0\u7d22\u5f15\u6a21\u5f0f\u3002\u9ad8\u8d28\u91cf\u6a21\u5f0f\u4f1a\u5c06\u6587\u672c\u901a\u8fc7 Embedding \u6a21\u578b\u5411\u91cf\u5316\uff0c\u652f\u6301\u5411\u91cf\u68c0\u7d22\u548c\u6df7\u5408\u68c0\u7d22\uff1b\u800c\u7ecf\u6d4e\u578b\u6a21\u5f0f\u4ec5\u57fa\u4e8e\u5173\u952e\u8bcd\u6784\u5efa\u5012\u6392\u7d22\u5f15\uff0c\u65e0\u6cd5\u6ee1\u8db3\u7236\u5b50\u5206\u5757\u7684\u8fd0\u884c\u8981\u6c42\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/09\/c63825ad63e7ef0.png\" alt=\"\" \/><\/p>\n<h2>\u5b9e\u8df5\u6307\u5357\uff1a\u914d\u7f6e Parent-child-HQ \u77e5\u8bc6\u5e93<\/h2>\n<p>\u8981\u5728 Dify \u4e2d\u4f7f\u7528\u8be5\u529f\u80fd\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5\u00a0<code>Parent-child-HQ<\/code>\u00a0\u8fd9\u4e2a\u77e5\u8bc6\u5e93\u5904\u7406\u6d41\u7a0b\u6a21\u677f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/09\/3c3117757e9c3ed.png\" alt=\"\" \/><\/p>\n<p>\u5b89\u88c5\u540e\uff0c\u6d41\u6c34\u7ebf\u4e2d\u6700\u6838\u5fc3\u7684\u8282\u70b9\u662f\u201c\u7236\u5b50\u6587\u672c\u5206\u5757\u201d\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/09\/4a6ddf2199a87e2.png\" alt=\"\" \/><\/p>\n<h3>\u5206\u5757\u8282\u70b9\u914d\u7f6e<\/h3>\n<p>\u5728\u8be5\u8282\u70b9\u7684\u8bbe\u7f6e\u754c\u9762\u4e2d\uff0c\u53ef\u4ee5\u8be6\u7ec6\u5b9a\u4e49\u7236\u5757\u4e0e\u5b50\u5757\u7684\u5206\u5272\u89c4\u5219\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/09\/b8dcf28d47600a0.png\" alt=\"\" \/><\/p>\n<table>\n<thead>\n<tr>\n<th align=\"left\">\u914d\u7f6e\u9879<\/th>\n<th align=\"left\">\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\"><strong>\u7236\u5206\u5757\u5206\u9694\u7b26<\/strong><\/td>\n<td align=\"left\">\u5b9a\u4e49\u5982\u4f55\u5207\u5206\u51fa\u7236\u5757\u3002\u901a\u5e38\u4f7f\u7528\u00a0<code>\\n\\n<\/code>\uff08\u4e24\u4e2a\u6362\u884c\u7b26\uff09\u6765\u6309\u6bb5\u843d\u5206\u5272\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u7236\u5206\u5757\u6700\u5927\u957f\u5ea6<\/strong><\/td>\n<td align=\"left\">\u5355\u4e2a\u7236\u5757\u7684\u6700\u5927\u5b57\u7b26\u6570\u9650\u5236\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u5b50\u5206\u5757\u5206\u9694\u7b26<\/strong><\/td>\n<td align=\"left\">\u5b9a\u4e49\u5728\u7236\u5757\u5185\u90e8\u5982\u4f55\u8fdb\u4e00\u6b65\u5207\u5206\u5b50\u5757\u3002\u53ef\u4f7f\u7528\u00a0<code>\\n<\/code>\uff08\u5355\u4e2a\u6362\u884c\u7b26\uff09\u6309\u884c\u5206\u5272\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u5b50\u5206\u5757\u6700\u5927\u957f\u5ea6<\/strong><\/td>\n<td align=\"left\">\u5355\u4e2a\u5b50\u5757\u7684\u6700\u5927\u5b57\u7b26\u6570\u9650\u5236\u3002<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>\u7236\u5757\u6a21\u5f0f<\/strong><\/td>\n<td align=\"left\">\u5b9a\u4e49\u7236\u5757\u7684\u8303\u56f4\uff0c\u63d0\u4f9b\u00a0<code>paragraph<\/code>\uff08\u6bb5\u843d\uff09\u548c\u00a0<code>full_doc<\/code>\uff08\u5b8c\u6574\u6587\u6863\uff09\u4e24\u79cd\u6a21\u5f0f\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5176\u4e2d\uff0c\u201c\u7236\u5757\u6a21\u5f0f\u201d\u51b3\u5b9a\u4e86\u4e0a\u4e0b\u6587\u7684\u5b8f\u89c2\u8fb9\u754c\uff1a<\/p>\n<ul>\n<li><strong>\u6bb5\u843d\u6a21\u5f0f (<code>paragraph mode<\/code>)<\/strong>\uff1a\u5c06\u6587\u672c\u6309\u5206\u9694\u7b26\uff08\u5982\u6bb5\u843d\uff09\u62c6\u5206\u4e3a\u591a\u4e2a\u7236\u5757\u3002\u8fd9\u662f\u6700\u5e38\u7528\u7684\u6a21\u5f0f\uff0c\u5728\u7cbe\u5ea6\u548c\u4e0a\u4e0b\u6587\u8303\u56f4\u4e4b\u95f4\u53d6\u5f97\u4e86\u5f88\u597d\u7684\u5e73\u8861\u3002<\/li>\n<li><strong>\u6574\u6587\u6a21\u5f0f (<code>full_doc mode<\/code>)<\/strong>\uff1a\u5c06\u6574\u4e2a\u6587\u6863\u89c6\u4e3a\u4e00\u4e2a\u5de8\u5927\u7684\u7236\u5757\uff08\u8d85\u8fc7 10,000 <a href=\"https:\/\/www.kdjingpai.com\/tokenization\/\">tokens<\/a> \u7684\u90e8\u5206\u5c06\u88ab\u622a\u65ad\uff09\u3002\u8be5\u6a21\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u5168\u5c40\u4e0a\u4e0b\u6587\u7684\u7279\u5b9a\u573a\u666f\u3002<\/li>\n<\/ul>\n<p>\u6b64\u5916\uff0c\u9884\u5904\u7406\u9009\u9879\u8fd8\u652f\u6301\u79fb\u9664\u6587\u672c\u4e2d\u7684\u591a\u4f59\u7a7a\u683c\u3001URL \u548c\u7535\u5b50\u90ae\u4ef6\u5730\u5740\uff0c\u4ee5\u63d0\u5347\u6570\u636e\u8d28\u91cf\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/09\/520872d7bb8b987.png\" alt=\"\" \/><\/p>\n<h3>\u8bbe\u7f6e\u9ad8\u8d28\u91cf\u7d22\u5f15<\/h3>\n<p>\u5982\u524d\u6240\u8ff0\uff0c<code>Parent-Child<\/code>\u00a0\u6a21\u5f0f\u5fc5\u987b\u914d\u5408 HQ \u7d22\u5f15\u4f7f\u7528\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5728\u77e5\u8bc6\u5e93\u7684\u8bbe\u7f6e\u4e2d\u914d\u7f6e\u597d Embedding \u6a21\u578b\u548c Rerank \u6a21\u578b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/09\/960522ad842b03f.png\" alt=\"\" \/><\/p>\n<h3>\u8c03\u8bd5\u4e0e\u8fd0\u884c<\/h3>\n<p>\u5b8c\u6210\u6240\u6709\u914d\u7f6e\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u8bd5\u529f\u80fd\u6d4b\u8bd5\u5206\u5757\u6548\u679c\u3002\u8f93\u5165\u793a\u4f8b\u6587\u672c\uff0c\u8fd0\u884c\u6d41\u6c34\u7ebf\uff0c\u53ef\u4ee5\u6e05\u6670\u5730\u770b\u5230\u539f\u59cb\u6587\u672c\u662f\u5982\u4f55\u88ab\u7ec4\u7ec7\u6210\u7236\u5b50\u7ed3\u6784\u7684\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/09\/8f96d5cc3c6a58b.png\" alt=\"\" \/><\/p>\n<p>\u6700\u7ec8\u7684\u8fd0\u884c\u7ed3\u679c\u4f1a\u4ee5\u7ed3\u6784\u5316\u7684\u5f62\u5f0f\u5c55\u793a\u7236\u5757\u53ca\u5176\u5305\u542b\u7684\u5b50\u5757\u5217\u8868\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/09\/c42f5f6276b52de.png\" alt=\"\" \/><\/p>\n<h2>\u67b6\u6784\u6df1\u6f5c\uff1a\u4ee3\u7801\u5c42\u9762\u7684\u5b9e\u73b0\u903b\u8f91<\/h2>\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u5176\u5de5\u4f5c\u539f\u7406\uff0c\u6211\u4eec\u6df1\u5165\u00a0<code>parentchild_chunker<\/code>\u00a0\u63d2\u4ef6\u7684\u6e90\u7801\u8fdb\u884c\u5206\u6790\u3002\u4e0b\u56fe\u7684 UML \u65f6\u5e8f\u56fe\u6982\u62ec\u4e86\u63d2\u4ef6\u4ece\u542f\u52a8\u3001\u63a5\u6536\u6570\u636e\u5230\u5904\u7406\u5e76\u8fd4\u56de\u7ed3\u679c\u7684\u5b8c\u6574\u6d41\u7a0b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/09\/00e66b2c8ad5b0b.png\" alt=\"\" \/><\/p>\n<p>\u6574\u4e2a\u6570\u636e\u5904\u7406\u6d41\u7a0b\u53ef\u4ee5\u6982\u62ec\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u63d2\u4ef6\u542f\u52a8\u4e0e\u5de5\u5177\u8c03\u7528<\/strong><\/p>\n<p>\u5f53 Dify \u5e73\u53f0\u542f\u52a8\u65f6\uff0c<code>main.py<\/code>\u00a0\u6587\u4ef6\u4f5c\u4e3a\u63d2\u4ef6\u5165\u53e3\uff0c\u8d1f\u8d23\u521d\u59cb\u5316\u5e76\u5411 Dify \u6ce8\u518c\u00a0<code>ParentChildChunkTool<\/code>\u00a0\u7684\u80fd\u529b\u3002\u5de5\u5177\u7684\u524d\u7aef\u8868\u5355\u3001\u8f93\u5165\u53c2\u6570\u548c\u8f93\u51fa\u683c\u5f0f\u7531\u00a0<code>tools\/parent_child_chunk.yaml<\/code>\u00a0\u6587\u4ef6\u5b9a\u4e49\u3002<\/p>\n<p>\u5f53\u7528\u6237\u8c03\u7528\u8be5\u5de5\u5177\u65f6\uff0cDify SDK \u4f1a\u5b9e\u4f8b\u5316\u00a0<code>tools\/parent_child_chunk.py<\/code>\u00a0\u4e2d\u5b9a\u4e49\u7684\u00a0<code>ParentChildChunkTool<\/code>\u00a0\u7c7b\uff0c\u5e76\u8c03\u7528\u5176\u00a0<code>_invoke<\/code>\u00a0\u65b9\u6cd5\uff0c\u5c06\u524d\u7aef\u4f20\u5165\u7684\u53c2\u6570\uff08\u5982\u00a0<code>input_text<\/code>\u3001<code>parent_mode<\/code>\u00a0\u7b49\uff09\u4f20\u9012\u8fdb\u6765\u3002<\/p>\n<p><strong>2. \u6838\u5fc3\u5904\u7406\u4e0e\u6587\u672c\u6e05\u6d17<\/strong><\/p>\n<p><code>_invoke<\/code>\u00a0\u65b9\u6cd5\u7684\u6838\u5fc3\u804c\u8d23\u662f\u8c03\u7528\u00a0<code>tools\/index_processor\/parent_child_index_processor.py<\/code>\u00a0\u4e2d\u5b9a\u4e49\u7684\u00a0<code>ParentChildIndexProcessor<\/code>\u3002\u8fd9\u662f\u6574\u4e2a\u4e1a\u52a1\u903b\u8f91\u7684\u4e2d\u67a2\u3002<\/p>\n<p>\u5728\u5206\u5757\u4e4b\u524d\uff0c\u6587\u672c\u4f1a\u9996\u5148\u7ecf\u8fc7\u00a0<code>tools\/cleaner\/clean_processor.py<\/code>\u00a0\u4e2d\u7684\u00a0<code>CleanProcessor<\/code>\u00a0\u8fdb\u884c\u6e05\u6d17\u3002\u8be5\u6a21\u5757\u8d1f\u8d23\u79fb\u9664\u65e0\u6548\u5b57\u7b26\uff0c\u5e76\u6839\u636e\u7528\u6237\u914d\u7f6e\u9009\u62e9\u6027\u5730\u5408\u5e76\u591a\u4f59\u7a7a\u683c\u6216\u79fb\u9664 URL \u548c\u90ae\u4ef6\u5730\u5740\uff0c\u4fdd\u8bc1\u540e\u7eed\u5904\u7406\u7684\u6587\u672c\u8d28\u91cf\u3002<\/p>\n<p><strong>3. \u667a\u80fd\u6587\u672c\u5206\u5272<\/strong><\/p>\n<p>\u6587\u672c\u5206\u5272\u662f\u7236\u5b50\u5206\u5757\u7b56\u7565\u7684\u6280\u672f\u6838\u5fc3\uff0c\u4e3b\u8981\u7531\u00a0<code>tools\/splitter\/<\/code>\u00a0\u76ee\u5f55\u4e0b\u7684\u591a\u4e2a\u5206\u5272\u5668\u5b9e\u73b0\u3002\u5176\u4e2d\uff0c<code>FixedRecursiveCharacterTextSplitter<\/code>\u00a0\u662f\u5173\u952e\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/09\/a5e9b819df7d539.png\" alt=\"\" \/><\/p>\n<p>\u8fd9\u91cc\u9700\u8981\u533a\u5206\u4e24\u4e2a\u5173\u952e\u7684\u7c7b\uff1a<\/p>\n<ul>\n<li><code>EnhanceRecursiveCharacterTextSplitter<\/code>: \u5b83\u7684\u4e3b\u8981\u6539\u8fdb\u662f\u63d0\u4f9b\u4e86\u4e00\u79cd\u57fa\u4e8e\u5b57\u7b26\u6570\uff08\u800c\u975e\u00a0<code>tiktoken<\/code>\uff09\u8ba1\u7b97\u6587\u672c\u957f\u5ea6\u7684\u65b9\u5f0f\uff0c\u907f\u514d\u4e86\u5bf9\u7279\u5b9a tokenizer \u7684\u4f9d\u8d56\u3002\u5176\u5206\u5272\u903b\u8f91\u4e0e\u6807\u51c6\u7684\u9012\u5f52\u5b57\u7b26\u5206\u5272\u5668\u4e00\u81f4\u3002<\/li>\n<li><code>FixedRecursiveCharacterTextSplitter<\/code>: \u8be5\u7c7b\u5728\u9012\u5f52\u5206\u5272\u7684\u57fa\u7840\u4e0a\uff0c\u589e\u52a0\u4e86\u4e00\u4e2a\u5173\u952e\u6b65\u9aa4\u2014\u2014<strong>\u5148\u4f7f\u7528\u4e00\u4e2a\u56fa\u5b9a\u7684\u3001\u9ad8\u4f18\u5148\u7ea7\u7684\u00a0<code>fixed_separator<\/code>\uff08\u4f8b\u5982\u4ee3\u8868\u6bb5\u843d\u7684\u00a0<code>\\n\\n<\/code>\uff09\u8fdb\u884c\u521d\u6b21\u5206\u5272<\/strong>\u3002\u7136\u540e\uff0c\u4ec5\u5bf9\u90a3\u4e9b\u8d85\u51fa\u957f\u5ea6\u9650\u5236\u7684\u5757\uff0c\u518d\u8c03\u7528\u5185\u90e8\u7684\u9012\u5f52\u903b\u8f91\u8fdb\u884c\u7ec6\u5206\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u201c\u5148\u7c97\u5206\u3001\u540e\u7ec6\u5316\u201d\u7684\u7b56\u7565\uff0c\u5b8c\u7f8e\u5339\u914d\u4e86\u7236\u5b50\u5206\u5757\u7684\u9700\u6c42\uff1a\u9996\u5148\u901a\u8fc7\u00a0<code>\\n\\n<\/code>\u00a0\u5212\u5206\u51fa\u8bed\u4e49\u5b8c\u6574\u7684\u7236\u5757\uff08\u6bb5\u843d\uff09\uff0c\u7136\u540e\u518d\u5728\u7236\u5757\u5185\u90e8\u4f7f\u7528\u66f4\u7ec6\u7684\u5206\u5272\u7b26\uff08\u5982\u00a0<code>\\n<\/code>\uff09\u5207\u5206\u51fa\u5b50\u5757\u3002<\/p>\n<p><strong>4. \u6570\u636e\u7ed3\u6784\u6784\u5efa\u4e0e\u8fd4\u56de<\/strong><\/p>\n<p>\u7ecf\u8fc7\u6e05\u6d17\u548c\u5206\u5272\u540e\uff0c<code>ParentChildIndexProcessor<\/code>\u00a0\u4f1a\u6839\u636e\u00a0<code>paragraph<\/code>\u00a0\u6216\u00a0<code>full-doc<\/code>\u00a0\u6a21\u5f0f\uff0c\u5c06\u7236\u5757\u5185\u5bb9\u548c\u5176\u5bf9\u5e94\u7684\u5b50\u5757\u5185\u5bb9\u5217\u8868\u7ec4\u88c5\u6210\u00a0<code>ParentChildChunk<\/code>\u00a0\u5bf9\u8c61\u3002\u8fd9\u4e9b\u5bf9\u8c61\u6700\u7ec8\u88ab\u5c01\u88c5\u5728\u00a0<code>ParentChildStructureChunk<\/code>\u00a0\u7ed3\u6784\u4e2d\u3002<\/p>\n<p>\u8fd9\u4e9b\u6570\u636e\u7ed3\u6784\u7684\u5b9a\u4e49\u4f4d\u4e8e\u00a0<code>tools\/entities\/entities.py<\/code>\uff0c\u4f7f\u7528 Pydantic \u6a21\u578b\u786e\u4fdd\u4e86\u6570\u636e\u7684\u89c4\u8303\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u6700\u540e\uff0c<code>ParentChildChunkTool<\/code>\u00a0\u901a\u8fc7\u00a0<code>yield self.create_variable_message(...)<\/code>\u00a0\u5c06\u5904\u7406\u597d\u7684\u7ed3\u6784\u5316\u6570\u636e\u8fd4\u56de\u7ed9 Dify SDK\uff0c\u5b8c\u6210\u6574\u4e2a\u6d41\u6c34\u7ebf\u8282\u70b9\u7684\u6267\u884c\u3002<\/p>\n<p>\u901a\u8fc7\u8fd9\u79cd\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u5904\u7406\u6d41\u7a0b\u548c\u7075\u6d3b\u7684\u6587\u672c\u5206\u5272\u5668\uff0c<code>Parent-child-HQ<\/code>\u00a0\u6a21\u677f\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f3a\u5927\u800c\u4f18\u96c5\u7684\u5de5\u5177\uff0c\u6709\u6548\u89e3\u51b3\u4e86 <a href=\"https:\/\/www.kdjingpai.com\/rag\/\">RAG<\/a> \u5e94\u7528\u4e2d\u957f\u671f\u5b58\u5728\u7684\u4e0a\u4e0b\u6587\u4e0e\u7cbe\u5ea6\u6743\u8861\u96be\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u6784\u5efa\u57fa\u4e8e\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u7684\u77e5\u8bc6\u5e93\u95ee\u7b54\u5e94\u7528\u65f6\uff0c\u5f00\u53d1\u8005\u666e\u904d\u4f1a\u91c7\u7528\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff08RAG\uff09\u6280\u672f\u3002\u7136\u800c\uff0cRAG \u7684\u5b9e\u9645\u6548\u679c\u5e38\u5e38\u53d7\u9650\u4e8e\u4e00\u4e2a\u6838\u5fc3\u77db\u76fe\uff1a\u5982\u4f55\u5e73\u8861\u68c0\u7d22\u7684\u7cbe\u786e\u6027\u4e0e\u4e0a\u4e0b\u6587\u7684\u5b8c\u6574\u6027\u3002\u5982\u679c\u6587\u672c\u5207\u7247\uff08Chunk\uff09\u8fc7\u5c0f\uff0c\u867d\u7136\u80fd\u7cbe\u51c6\u547d\u4e2d\u7528\u6237\u67e5\u8be2\uff0c\u4f46&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182],"tags":[],"class_list":["post-59808","post","type-post","status-publish","format-standard","hentry","category-shicao"],"_links":{"self":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/posts\/59808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/comments?post=59808"}],"version-history":[{"count":0,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/posts\/59808\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/media?parent=59808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/categories?post=59808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/en\/wp-json\/wp\/v2\/tags?post=59808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}