{"id":180,"date":"2026-06-16T13:42:32","date_gmt":"2026-06-16T05:42:32","guid":{"rendered":"https:\/\/www.restia.site\/?p=180"},"modified":"2026-06-16T13:45:51","modified_gmt":"2026-06-16T05:45:51","slug":"%e5%ba%94%e7%94%a8%e4%ba%8e%e7%94%b5%e7%bd%91%e4%ba%8b%e6%95%85%e6%9f%a5%e8%af%a2%e7%9a%84%e7%9f%a5%e8%af%86%e6%a3%80%e7%b4%a2%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/www.restia.site\/index.php\/2026\/06\/16\/%e5%ba%94%e7%94%a8%e4%ba%8e%e7%94%b5%e7%bd%91%e4%ba%8b%e6%95%85%e6%9f%a5%e8%af%a2%e7%9a%84%e7%9f%a5%e8%af%86%e6%a3%80%e7%b4%a2%e7%b3%bb%e7%bb%9f\/","title":{"rendered":"\u5e94\u7528\u4e8e\u7535\u7f51\u4e8b\u6545\u67e5\u8be2\u7684\u77e5\u8bc6\u68c0\u7d22\u7cfb\u7edf"},"content":{"rendered":"\n

\u4e00\u3001\u7814\u7a76\u76ee\u6807<\/h2>\n\n\n\n
    \n
  1. \u77e5\u8bc6\u5e93\u7684\u6784\u5efa\uff1a\u6839\u636e\u7528\u6237\u7ed9\u5b9a\u7684Excel\u6570\u636e\u6587\u4ef6\uff0c\u901a\u8fc7Embedding\u6a21\u578b\u6784\u5efa\u77e5\u8bc6\u5e93\uff0c\u540c\u65f6\u6267\u884c\u5411\u91cf\u68c0\u7d22\u548c\u5173\u952e\u8bcd\u68c0\u7d22\uff0c\u5b9e\u73b0\u6df7\u5408\u68c0\u7d22\uff0c\u8fd4\u56de\u4e0e\u7528\u6237\u67e5\u8be2\u76f8\u5173\u8054\u7684\u6570\u636e\u5019\u9009\u96c6\u3002<\/li>\n\n\n\n
  2. \u5de5\u4f5c\u6d41\u7684\u5f00\u53d1\uff1a\u901a\u8fc7LangGraph\u6784\u5efa\u4e00\u5957\u5b8c\u6574\u7684\u5de5\u4f5c\u6d41\u7a0b\uff0c\u5b9e\u73b0\u4ece\u7528\u6237\u8f93\u5165\u5230\u77e5\u8bc6\u68c0\u7d22\uff0c\u6700\u540e\u5b8c\u6210\u7ed3\u679c\u8f93\u51fa\u7684\u5de5\u4f5c\u6d41\u3002<\/li>\n<\/ol>\n\n\n\n

    \u4e8c\u3001\u7cfb\u7edf\u7ed3\u6784<\/h2>\n\n\n\n

    2.1\u5de5\u4f5c\u6d41\u67b6\u6784<\/h3>\n\n\n
    \n
    \"\"<\/div><\/figure>\n<\/div>\n\n\n

    2.2\u9879\u76ee\u6d41\u7a0b<\/h3>\n\n\n\n

    1\u3001\u52a0\u8f7d\u7535\u7f51\u4e8b\u6545Excel\u6570\u636e\uff0c\u901a\u8fc7\u6587\u672c\u5206\u5272\uff0c\u63d0\u53d6Excel\u6587\u4ef6\u5185\u7684\u4e8b\u6545\u4fe1\u606f\uff08\u4e8b\u6545\u60c5\u51b5\u3001\u5904\u7406\u8fc7\u7a0b\uff09\u5e76\u7528Document\u5bf9\u8c61\u5b58\u50a8\u3002\u521b\u5efa\u4e00\u4e2a\u4e8b\u6545\u60c5\u51b5\u5230\u5904\u7406\u8fc7\u7a0b\u7684\u6620\u5c04\u8bcd\u5178\uff0c\u7528\u4e8e\u540e\u7eed\u7684\u7cbe\u786e\u5339\u914d\u3002<\/p>\n\n\n\n

    2\u3001\u901a\u8fc7Embedding\u6a21\u578b\u6784\u5efa\u77e5\u8bc6\u5e93\uff0c\u5206\u522b\u751f\u6210\u8bed\u4e49\u68c0\u7d22\u5668\u548c\u5173\u952e\u8bcd\u68c0\u7d22\u5668\uff0c\u6309\u7167\u8bbe\u5b9a\u7684\u5173\u952e\u8bcd\u4e0e\u8bed\u4e49\u6bd4\u4f8b\u8fdb\u884c\u6df7\u5408\u68c0\u7d22\uff0c\u8fd4\u56de\u4e0e\u7528\u6237\u8f93\u5165\uff08\u4e8b\u6545\u60c5\u51b5\uff09\u6700\u76f8\u5173\u7684k\u4e2a\u7ed3\u679c\uff0c\u6784\u6210\u5019\u9009\u7ed3\u679c\u96c6\u3002<\/p>\n\n\n\n

      <\/ol>\n\n\n\n

      3\u3001\u8fdb\u5165\u5de5\u4f5c\u6d41\u67e5\u8be2\u751f\u6210\u8282\u70b9\uff0c\u5224\u65ad\u7528\u6237\u8f93\u5165\u662f\u5426\u9700\u8981\u8fdb\u884c\u68c0\u7d22\uff0c\u5982\u679c\u9700\u8981\u68c0\u7d22\uff0c\u5219\u8fdb\u5165\u751f\u6210\u56de\u590d\u8282\u70b9\uff0c\u5426\u5219\u76f4\u63a5\u54cd\u5e94\u3002<\/p>\n\n\n\n

      4\u3001\u8fdb\u5165\u751f\u6210\u56de\u590d\u8282\u70b9\u540e\uff0c\u8c03\u7528\u5927\u6a21\u578b\u6839\u636e\u63d0\u793a\u8bcd\u4ece\u6df7\u5408\u68c0\u7d22\u5f97\u5230\u7684\u7ed3\u679c\u96c6\u4e2d\u5bfb\u627e\u4e0e\u7528\u6237\u8f93\u5165\u76f8\u5339\u914d\u7684\u4e8b\u6545\u60c5\u51b5\u3002<\/p>\n\n\n\n

      4.1\u3001\u5982\u679c\u5339\u914d\u6210\u529f\uff0c\u5219\u76f4\u63a5\u539f\u6587\u8f93\u51fa\u8be5\u4e8b\u6545\u60c5\u51b5\u5bf9\u5e94\u7684\u5904\u7406\u60c5\u51b5\u3002<\/p>\n\n\n\n

      4.2\u3001\u5982\u679c\u5339\u914d\u5931\u8d25\uff0c\u5219\u8f6c\u4ea4\u7528\u6237\u9009\u62e9\uff0c\u8fdb\u5165\u91cd\u8bd5\u68c0\u7d22\u8282\u70b9\uff0c\u518d\u6b21\u4ece\u68c0\u7d22\u7ed3\u679c\u4e2d\u9009\u62e9\u6700\u5339\u914d\u7684\u9879\uff0c\u6216\u8005\u8fdb\u5165\u7cbe\u786e\u5339\u914d\u8282\u70b9\uff0c\u8df3\u8fc7\u5927\u6a21\u578b\uff0c\u76f4\u63a5\u4ece\u6620\u5c04\u8bcd\u5178\u4e2d\u5bfb\u627e\u4e8b\u6545\u5339\u914d\u9879\u3002<\/p>\n\n\n\n

      5\u3001\u8f93\u51fa\u7528\u6237\u8f93\u5165\u5bf9\u5e94\u7684\u4e8b\u6545\u5904\u7406\u8fc7\u7a0b\u3002<\/p>\n\n\n\n

      <\/p>\n\n\n\n

      \u4e09\u3001\u5173\u952e\u5b9e\u73b0\u7ec6\u8282<\/h2>\n\n\n\n

      3.1\u5de5\u4f5c\u6d41\u7a0b\u56fe<\/h3>\n\n\n
      \n
      \"\"<\/div><\/figure>\n<\/div>\n\n\n

      3.2\u5b9e\u73b0\u7ec6\u8282<\/h3>\n\n\n\n

      3.2.1\u914d\u7f6e\u73af\u5883<\/h3>\n\n\n\n

      1\u3001\u7f16\u7a0b\u8bed\u8a00\uff1apython3.12.9<\/p>\n\n\n\n

      2\u3001\u5f00\u53d1\u73af\u5883\uff1aPyCharm 2025.1.1.1<\/p>\n\n\n\n

      3\u3001\u5927\u6a21\u578b\uff1aqwen2.5:32b<\/p>\n\n\n\n

      4\u3001\u5411\u91cf\u6a21\u578b\uff1abge-m3<\/p>\n\n\n\n

      5\u3001\u5bfc\u5165\u4f9d\u8d56\uff1a<\/p>\n\n\n\n

      re<\/p>\n\n\n\n

      pandas<\/p>\n\n\n\n

      langchain<\/p>\n\n\n\n

      langgraph<\/p>\n\n\n\n

      langchain_core<\/p>\n\n\n\n

      langchain_ollama<\/p>\n\n\n\n

      langchain_openai<\/p>\n\n\n\n

      langchain_community<\/p>\n\n\n\n

      <\/p>\n\n\n\n

      3.2.2 \u7528\u6237\u6570\u636e\u5904\u7406<\/h3>\n\n\n\n

      \u901a\u8fc7pandas\u5e93\u7684read_excel\u65b9\u6cd5\u8bfb\u53d6excel\u6570\u636e\uff0c\u4ee5\u884c\u4e3a\u5355\u4f4d\u683c\u5f0f\u5316excel\u4e2d\u7684\u4e24\u5217\u6570\u636e\uff08\u4e8b\u6545\u60c5\u51b5\u548c\u5904\u7406\u8fc7\u7a0b\uff09\uff0c\u521b\u5efaDocument\u6587\u6863\u5bf9\u8c61\uff0c\u9010\u884c\u6570\u636e\u6dfb\u52a0\u5230\u6587\u6863\u5bf9\u8c61\u4e2d\u3002<\/p>\n\n\n\n

      def read_excel_to_documents(file_path):\n    \"\"\"\u8bfb\u53d6Excel\u6587\u4ef6\u5e76\u5c06\u6bcf\u884c\u8f6c\u6362\u4e3a\u72ec\u7acb\u6587\u6863\"\"\"\n    df = pd.read_excel(file_path)\n    documents = []\n    for index, row in df.iterrows():\n        # \u6784\u5efa\u6587\u6863\u5185\u5bb9\uff0c\u5c06\u4e8b\u6545\u60c5\u51b5\u548c\u5904\u7406\u8fc7\u7a0b\u683c\u5f0f\u5316\n        content = f\"\u4e8b\u6545\u60c5\u51b5\uff1a{row[0]}\\n\u5904\u7406\u8fc7\u7a0b\uff1a{row[1]}\"\n        # \u521b\u5efa\u6587\u6863\u5bf9\u8c61\uff0c\u5305\u542b\u5185\u5bb9\u548c\u5143\u6570\u636e\n        doc = Document(\n            page_content=content,\n            metadata={\n                \"source\": file_path,\n                \"row_index\": index,\n                \"\u4e8b\u6545\u60c5\u51b5\": row[0],\n                \"\u5904\u7406\u8fc7\u7a0b\": row[1]\n            }\n        )\n        documents.append(doc)\n    return documents\n<\/code><\/pre>\n\n\n\n
      3.2.3\u6784\u5efa\u6620\u5c04\u8bcd\u5178<\/h3>\n\n\n\n
      \u5728\u6784\u5efaDocument\u6587\u6863\u65f6\uff0c\u521b\u5efa\u4e8b\u6545\u60c5\u51b5\u5230\u5904\u7406\u8fc7\u7a0b\u7684\u6620\u5c04\u8bcd\u5178\uff0c\u7528\u4e8e\u540e\u7eed\u65e0\u6cd5\u901a\u8fc7\u5927\u6a21\u578b\u627e\u5230\u5339\u914d\u9879\u65f6\uff0c\u4f7f\u7528\u7cbe\u786e\u5339\u914d\u76f4\u63a5\u4ece\u8bcd\u5178\u4e2d\u627e\u5230\u5bf9\u5e94\u7684\u4e8b\u6545\u5904\u7406\u8fc7\u7a0b\uff0c\u786e\u4fdd\u7528\u6237\u80fd\u591f\u5f97\u5230\u60f3\u8981\u7684\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n\n\n\n
      def create_accident_mapping(documents):\n    \"\"\"\u521b\u5efa\u4e8b\u6545\u60c5\u51b5\u5230\u5904\u7406\u8fc7\u7a0b\u7684\u6620\u5c04\u5b57\u5178\"\"\"\n    accident_to_process = {}\n    for doc in documents:\n        accident = doc.metadata[\"\u4e8b\u6545\u60c5\u51b5\"]\n        process = doc.metadata[\"\u5904\u7406\u8fc7\u7a0b\"]\n        accident_to_process[accident] = process\n    return accident_to_process\n\n# \u521b\u5efa\u6620\u5c04\u5b57\u5178\naccident_mapping = create_accident_mapping(docs)\n<\/code><\/pre>\n\n\n\n
      3.2.4\u6784\u5efa\u6df7\u5408\u68c0\u7d22<\/h3>\n\n\n\n
      \u901a\u8fc7Embedding\u6a21\u578b\uff08bge-m3\uff09\u6784\u5efa\u5411\u91cf\u5b58\u50a8\uff0c\u5229\u7528embedding\u7684\u8bed\u4e49\u7279\u5f81\uff0c\u8ba1\u7b97\u5411\u91cf\u4e4b\u95f4\u7684\u76f8\u4f3c\u5ea6\u6765\u8bc4\u4f30\u8bed\u53e5\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n
      # \u521b\u5efa\u5411\u91cf\u5b58\u50a8\nvectorstore = InMemoryVectorStore.from_documents(\n    documents=docs,\n    embedding=embeddings\n)\n\nvector_retriever = vectorstore.as_retriever(\n    search_kwargs={\"k\": 2},\n    lambda_mult=1\n)<\/code><\/pre>\n\n\n\n
      \u4f7f\u7528BM25Retriever\u6784\u5efa\u5173\u952e\u8bcd\u67e5\u8be2\u5668\uff0c\u6839\u636e\u8bcd\u9891\u3001\u9006\u6587\u6863\u9891\u7387\u4ee5\u53ca\u6587\u6863\u957f\u5ea6\u5f52\u4e00\u5316\u4e09\u4e2a\u7ef4\u5ea6\uff0c\u8ba1\u7b97\u67e5\u8be2\u4e0eDocument\u7684\u76f8\u5173\u6027\u5206\u6570\uff0c\u6700\u7ec8\u6839\u636e\u5206\u6570\u6392\u5e8f\u8fd4\u56de\u6700\u76f8\u5173\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n
      \u540c\u65f6\u6267\u884c\u8bed\u4e49\u67e5\u8be2\u548c\u5173\u952e\u8bcd\u67e5\u8be2\uff0c\u6309\u7167[\u5173\u952e\u8bcd\uff1a\u8bed\u4e49] = [0.8 : 0.2]\u6bd4\u4f8b\u8ba1\u7b97\uff0c\u4ece\u4e24\u7c7b\u67e5\u8be2\u7ed3\u679c\u4e2d\u9009\u62e9\u5339\u914d\u7528\u6237\u95ee\u9898\u7684\u6700\u4f73\u7ed3\u679c\u3002<\/p>\n\n\n\n
      bm25_retriever = BM25Retriever.from_documents(docs)\nbm25_retriever.k = 2\nensemble_retriever = EnsembleRetriever(\n    retrievers=[bm25_retriever, vector_retriever],\n    weights=[0.8, 0.2]\n)\n\nretriever_tool = create_retriever_tool(\n    ensemble_retriever,\n    \"\u6df7\u5408\u68c0\u7d22\u4e8b\u6545\",\n    \"\u8f93\u5165\u4e8b\u6545\u60c5\u51b5\uff0c\u6839\u636e\u8fd9\u6bb5\u539f\u6587\u7ed3\u5408\u5173\u952e\u8bcd\u548c\u8bed\u4e49\u641c\u7d22\u77e5\u8bc6\u5e93\u5e76\u8fd4\u56de\u4e8b\u6545\u60c5\u51b5\u7684\u5bf9\u5e94\u5904\u7406\u8fc7\u7a0b\"\n)\n<\/code><\/pre>\n\n\n\n
      3.2.5\u67e5\u8be2\u751f\u6210\u8282\u70b9<\/h3>\n\n\n\n
      \u6839\u636e\u7528\u6237\u8f93\u5165\uff0c\u5224\u65ad\u662f\u5426\u9700\u8981\u8fdb\u884c\u77e5\u8bc6\u5e93\u68c0\u7d22\uff0c\u5982\u679c\u662f\u7535\u7f51\u76f8\u5173\u7684\u7528\u6237\u95ee\u9898\uff0c\u5219\u4f1a\u8c03\u75283.2.4\u6b65\u9aa4\u7684\u6df7\u5408\u68c0\u7d22\u5de5\u5177\uff0c\u8fdb\u5165\u540e\u7eed\u5de5\u4f5c\u6d41\uff0c\u5982\u679c\u662f\u65e0\u5173\u8f93\u5165\uff0c\u5219\u4e0d\u4f1a\u8c03\u7528\u6df7\u5408\u68c0\u7d22\u5de5\u5177\u5e76\u76f4\u63a5\u8fd4\u56de\u8f93\u51fa\u3002<\/p>\n\n\n\n
      def generate_query_or_respond(state: MessagesState):\n    response = (\n        response_model\n        .bind_tools([retriever_tool]).invoke(state[\"messages\"])\n    )\n    return {\"messages\": [response]}<\/code><\/pre>\n\n\n\n
      3.2.6\u751f\u6210\u56de\u590d\u8282\u70b9<\/h3>\n\n\n\n
      \u6309\u7167\u8bbe\u8ba1\u597d\u7684\u63d0\u793a\u8bcd\u89c4\u5219\uff08\u4ec5\u5f53\u4e8b\u6545\u60c5\u51b5\u5b8c\u5168\u5339\u914d\u77e5\u8bc6\u5e93\u5185\u5bb9\u65f6\u624d\u8f93\u51fa\u3001\u76f4\u63a5\u590d\u5236\u5904\u7406\u8fc7\u7a0b\u539f\u6587\u3001\u65e0\u5339\u914d\u9879\u65f6\u8f93\u51fa\u201c\u68c0\u7d22\u5931\u8d25\u201d\uff09\uff0c\u4f7f\u7528qwen2.5:32b\u6a21\u578b\uff0c\u4ece\u8c03\u7528\u77e5\u8bc6\u5e93\u68c0\u7d22\u5de5\u5177\u68c0\u7d22\u5f97\u5230\u7684\u7ed3\u679c\u4e2d\u8bd5\u56fe\u627e\u5230\u4e0e\u7528\u6237\u8f93\u5165\u95ee\u9898\u76f8\u5339\u914d\u7684\u4e8b\u6545\u60c5\u51b5\u53ca\u5bf9\u5e94\u5904\u7406\u8fc7\u7a0b\u3002\u5982\u679c\u5339\u914d\u6210\u529f\uff0c\u5219\u76f4\u63a5\u539f\u6587\u8f93\u51fa\u5904\u7406\u8fc7\u7a0b\uff0c\u5982\u679c\u5339\u914d\u5931\u8d25\uff0c\u5219\u8f93\u51fa\u201c\u68c0\u7d22\u5931\u8d25\u201d\u3002<\/p>\n\n\n\n
      def generate_answer(state: MessagesState):\n    \"\"\"\u751f\u6210\u56de\u590d\"\"\"\n    question = state[\"messages\"][0].content\n    context = state[\"messages\"][-1].content\n    prompt = PROMPT.format(question=question, context=context)\n    response = response_model.invoke([{\"role\": \"user\", \"content\": prompt}])\n\n    return {\"messages\": [response]}<\/code><\/pre>\n\n\n\n
      3.2.7\u4eba\u673a\u4ea4\u4e92\u9009\u62e9<\/h3>\n\n\n\n
      \u5982\u679c\u5339\u914d\u6210\u529f\uff0c\u5219\u7ee7\u7eed\u7b49\u5f85\u7528\u6237\u7684\u4e0b\u4e00\u4e2a\u8f93\u5165\u95ee\u9898\uff0c\u5339\u914d\u5931\u8d25\u5219\u9700\u8981\u8fdb\u5165\u4eba\u673a\u4ea4\u4e92\u73af\u8282\uff08human_choice\uff09\uff0c\u7531\u7528\u6237\u9009\u62e9\u8fdb\u884c\u91cd\u8bd5\u68c0\u7d22\u6216\u8005\u7cbe\u786e\u5339\u914d\uff08\u7ec8\u7aef\u8f93\u51651\u6216\u80052\u8fdb\u884c\u9009\u62e9\uff09\uff0c\u5f53\u7528\u6237\u8f93\u51651\u30012\u4ee5\u5916\u7684\u5185\u5bb9\u65f6\uff0c\u63d0\u9192\u7528\u6237\u8f93\u5165\u6b63\u786e\u9009\u9879\u3002<\/p>\n\n\n\n
      # \u4eba\u673a\u4ea4\u4e92\u9009\u62e9\ndef human_choice(state: MessagesState):\n    \"\"\"\u5224\u65ad\u662f\u5426\u9700\u8981\u4f7f\u7528\u7cbe\u786e\u5339\u914d\u6216\u91cd\u65b0\u68c0\u7d22\"\"\"\n    last_mess = state[\"messages\"][-1].content\n    if \"\u68c0\u7d22\u5931\u8d25\" in last_mess:\n        print(\"\\n\u77e5\u8bc6\u68c0\u7d22\u5931\u8d25\uff0c\u4f60\u53ef\u4ee5\u9009\u62e9\uff1a\")\n        print(\"1. \u7cbe\u786e\u5339\u914d\uff08exact_match\uff09\")\n        print(\"2. \u91cd\u65b0\u68c0\u7d22\uff08retry_retrieve\uff09\")\n        while True:\n            sel = input(\"\u8bf7\u8f93\u5165\u4f60\u7684\u9009\u62e9\uff081\u62162\uff09\uff1a\")\n            if sel == \"1\":\n                return \"exact_match\"\n            elif sel == \"2\":\n                return \"retry_retrieve\"\n            else:\n                print(\"\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\u3002\")\n    return END<\/code><\/pre>\n\n\n\n
      3.2.8\u7cbe\u786e\u5339\u914d\u8282\u70b9<\/h3>\n\n\n\n
      \u7531\u4e8e\u77e5\u8bc6\u68c0\u7d22\u5de5\u5177\u53ef\u80fd\u65e0\u6cd5\u8fd4\u56de\u76ee\u6807\u5339\u914d\u9879\uff0c\u6216\u8005\u8c03\u7528LLM\u65f6\u4e0d\u80fd\u5339\u914d\u6b63\u786e\u7684\u4e8b\u6545\u60c5\u51b5\uff0c\u4e3a\u4e86\u786e\u4fdd\u80fd\u591f\u767e\u5206\u767e\u5bf9\u7528\u6237\u7684\u8f93\u5165\u505a\u51fa\u6b63\u786e\u7684\u56de\u7b54\uff0c\u7528\u6237\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u7cbe\u786e\u5339\u914d\uff0c\u5728RAG\u641c\u7d22\u5931\u8d25\u65f6\uff0c\u76f4\u63a5\u6839\u636e\u7528\u6237\u7684\u8f93\u5165\u4ece\u6620\u5c04\u8bcd\u5178\u4e2d\u5bfb\u627e\u5bf9\u5e94\u7684\u5339\u914d\u9879\uff0c\u641c\u7d22\u5230\u5339\u914d\u9879\u540e\u8fd4\u56de\u5bf9\u5e94\u7684\u4e8b\u6545\u5904\u7406\u8fc7\u7a0b\u3002<\/p>\n\n\n\n
      def exact_match(state: MessagesState):\n    \"\"\"\u7cbe\u786e\u5339\u914d\u8282\u70b9\uff0c\u5f53RAG\u5931\u8d25\u65f6\u76f4\u63a5\u67e5\u627e\u5904\u7406\u8fc7\u7a0b\"\"\"\n    user_query = state[\"messages\"][0].content.strip()\n    # \u5c1d\u8bd5\u7cbe\u786e\u5339\u914d\n    if user_query in accident_mapping:\n        return {\"messages\": [AIMessage(content=accident_mapping[user_query])]}\n    for accident, process in accident_mapping.items():\n        # \u53bb\u9664\u7a7a\u683c\u548c\u6807\u70b9\u540e\u6bd4\u8f83\n        clean_query = re.sub(r'[^\\w]', '', user_query.lower())\n        clean_accident = re.sub(r'[^\\w]', '', accident.lower())\n        if clean_query == clean_accident:\n            return {\"messages\": [AIMessage(content=process)]}<\/code><\/pre>\n\n\n\n
      3.2.9\u91cd\u8bd5\u68c0\u7d22\u8282\u70b9<\/h3>\n\n\n\n
      \u6b64\u524d\u5339\u914d\u5931\u8d25\uff0c\u53ef\u80fd\u662f\u751f\u6210\u56de\u590d\u8282\u70b9\u4e2d\u63d0\u793a\u8bcd\u8868\u8ff0\u4e0d\u6e05\u6670\uff0c\u5bfc\u81f4LLM\u672a\u80fd\u4ece\u5019\u9009\u96c6\u4e2d\u627e\u5230\u5339\u914d\u9879\uff0c\u672c\u8282\u70b9\u4e2d\u4fee\u6539\u63d0\u793a\u8bcd\u5185\u5bb9\uff0c\u4e0d\u8981\u6c42\u5b8c\u5168\u5339\u914d\uff0c\u800c\u662f\u4ece\u77e5\u8bc6\u68c0\u7d22\u5de5\u5177\u4e2d\u5f97\u5230\u7684\u5019\u9009\u96c6\u4e2d\u627e\u5230\u5339\u914d\u7a0b\u5ea6\u6700\u5927\u7684\u4e8b\u6545\u9879\uff0c\u5e76\u8f93\u51fa\u5bf9\u5e94\u4e8b\u6545\u7684\u5904\u7406\u8fc7\u7a0b\u3002<\/p>\n\n\n\n
      def retry_retrieve(state: MessagesState):\n    \"\"\"\u91cd\u8bd5\u68c0\u7d22\u8282\u70b9\uff0c\u518d\u6b21\u4ece\u68c0\u7d22\u7ed3\u679c\u4e2d\u9009\u62e9\u6700\u5339\u914d\u7684\u9879\"\"\"\n    user_query = state[\"messages\"][0].content.strip()\n    context = state[\"messages\"][-2].content\n    prompt = RETRY_PROMPT.format(user_query=user_query, context=context)\n    response = response_model.invoke([{\"role\": \"user\", \"content\": prompt}])\n    return {\"messages\": [response]}<\/code><\/pre>\n\n\n\n
      \u56db\u3001\u603b\u7ed3<\/h2>\n\n\n\n
      4.1\u7cfb\u7edf\u603b\u7ed3<\/h3>\n\n\n\n
      \u5728\u672c\u9879\u76ee\u4e2d\uff0c\u5b8c\u6210\u4e86Excel\u6587\u4ef6\u7684\u6570\u636e\u8bfb\u53d6\u3001\u77e5\u8bc6\u5e93\u548c\u6df7\u5408\u68c0\u7d22\u7684\u6784\u5efa\u53caLangGraph\u5de5\u4f5c\u6d41\u7b49\u7cfb\u7edf\u7684\u8bbe\u8ba1\u3002\u901a\u8fc7\u5b9e\u9645\u6d4b\u8bd5\uff0c\u8bbe\u8ba1\u4e86\u4e00\u5957\u5207\u5b9e\u53ef\u884c\u7684\u5e94\u7528\u4e8e\u7535\u7f51\u4e8b\u6545\u67e5\u8be2\u7684\u77e5\u8bc6\u68c0\u7d22\u7cfb\u7edf\u3002<\/p>\n\n\n\n
      \u901a\u8fc7\u7528\u6237\u7ed9\u5b9a\u7684Excel\u6570\u636e\u6587\u4ef6\uff0c\u5c06\u8be5\u6587\u4ef6\u8f6c\u6362\u6210Document\u5f62\u5f0f\uff0c\u5b9e\u73b0\u4e86\u77e5\u8bc6\u5e93\u7684\u6df7\u5408\u68c0\u7d22\uff0c\u6839\u636e\u7528\u6237\u7684\u8f93\u5165\u8fd4\u56de\u6700\u76f8\u5173\u7684\u5019\u9009\u96c6\u5408\uff0c\u901a\u8fc7LangGraph\u6784\u5efa\u7684\u5de5\u4f5c\u6d41\u80fd\u591f\u4ece\u5019\u9009\u96c6\u4e2d\u627e\u5230\u5339\u914d\u4e8b\u6545\u5bf9\u5e94\u7684\u5904\u7406\u8fc7\u7a0b\u3002<\/p>\n\n\n\n
      \u7cfb\u7edf\u540c\u6837\u8003\u8651\u4e86\u9519\u8bef\u5904\u7406\uff0c\u5f53\u77e5\u8bc6\u5e93\u68c0\u7d22\u5931\u8d25\u6216\u8005LLM\u8c03\u7528\u5339\u914d\u5931\u8d25\u65f6\uff0c\u6dfb\u52a0\u4e86\u4eba\u673a\u4ea4\u4e92\u529f\u80fd\uff0c\u8ba9\u7528\u6237\u9009\u62e9\u8fdb\u884c\u91cd\u8bd5\u68c0\u7d22\u6216\u8005\u7cbe\u786e\u5339\u914d\uff0c\u7cbe\u786e\u5339\u914d\u4fdd\u8bc1\u4e86\u80fd\u591f\u8ba9\u7528\u6237\u5f97\u5230\u8f93\u5165\u7684\u51c6\u786e\u5339\u914d\u7ed3\u679c\u3002<\/p>\n\n\n\n
      4.2\u672a\u6765\u5de5\u4f5c<\/p>\n\n\n\n
      <\/a>1<\/a>\u3001\u5173\u952e\u8bcd\u68c0\u7d22\u5de5\u5177\u9009\u62e9<\/p>\n\n\n\n
      \u672c\u7cfb\u7edf\u76ee\u524d\u4f7f\u7528\u7684\u5173\u952e\u8bcd\u68c0\u7d22\u7b97\u6cd5\u4e3aBM25\uff0c\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u4ecd\u9700\u4f18\u5316\u3002\u5efa\u8bae\u5c06\u8be5\u7b97\u6cd5\u4e0e\u5176\u4ed6\u5173\u952e\u8bcd\u68c0\u7d22\u7b97\u6cd5\u7ed3\u5408\uff0c\u4ee5\u63d0\u9ad8\u77e5\u8bc6\u5e93\u68c0\u7d22\u7684\u51c6\u786e\u7387\u3002<\/p>\n\n\n\n
      2\u3001\u5339\u914d\u5931\u8d25\u65f6\u9519\u8bef\u5904\u7406<\/p>\n\n\n\n
      \u5f53\u5de5\u4f5c\u6d41\u8c03\u7528LLM\u8fdb\u884c\u5339\u914d\u51fa\u73b0\u68c0\u7d22\u5931\u8d25\u65f6\uff0c\u7528\u6237\u53ef\u4ee5\u9009\u62e9\u7cbe\u786e\u5339\u914d\u64cd\u4f5c\u4ece\u6620\u5c04\u5b57\u5178\u4e2d\u5bfb\u627e\u5339\u914d\u9879\uff0c\u9762\u5bf9\u5927\u6570\u636e\u91cf\u65f6\uff0c\u8be5\u65b9\u6cd5\u7684\u65f6\u95f4\u4ee3\u4ef7\u8f83\u5927\uff0c\u9700\u8981\u8003\u8651\u5176\u4ed6\u65b9\u6cd5\u5982\u6570\u636e\u5e93\u5b58\u50a8\u66ff\u6362\u5b57\u5178\u6765\u8fdb\u884c\u7cbe\u786e\u5339\u914d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u4e00\u3001\u7814\u7a76\u76ee\u6807 \u4e8c\u3001\u7cfb\u7edf\u7ed3\u6784 2.1\u5de5\u4f5c\u6d41\u67b6\u6784 2.2\u9879\u76ee\u6d41\u7a0b 1\u3001\u52a0\u8f7d\u7535\u7f51\u4e8b\u6545Excel\u6570\u636e\uff0c\u901a\u8fc7\u6587\u672c\u5206\u5272\uff0c\u63d0 […]<\/p>\n","protected":false},"author":1,"featured_media":183,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[13,14,12,10],"class_list":["post-180","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learn","tag-agent","tag-langgraph","tag-rag","tag-10"],"_links":{"self":[{"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/posts\/180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/comments?post=180"}],"version-history":[{"count":2,"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/posts\/180\/revisions"}],"predecessor-version":[{"id":186,"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/posts\/180\/revisions\/186"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/media\/183"}],"wp:attachment":[{"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/media?parent=180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/categories?post=180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.restia.site\/index.php\/wp-json\/wp\/v2\/tags?post=180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}