{"id":87828,"date":"2026-07-31T00:16:23","date_gmt":"2026-07-30T16:16:23","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/87828.html"},"modified":"2026-07-31T00:16:23","modified_gmt":"2026-07-30T16:16:23","slug":"ai%e6%99%ba%e8%83%bd%e5%ae%a2%e6%9c%8d%e7%b3%bb%e7%bb%9f%e5%bc%80%e5%8f%91%e5%ae%9e%e6%88%98%ef%bc%9a%e5%a4%a7%e6%a8%a1%e5%9e%8b%e5%9c%a8%e4%bc%81%e4%b8%9a%e5%ba%94%e7%94%a8%e4%b8%ad%e7%9a%84%e8%90%bd","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/87828.html","title":{"rendered":"AI\u667a\u80fd\u5ba2\u670d\u7cfb\u7edf\u5f00\u53d1\u5b9e\u6218\uff1a\u5927\u6a21\u578b\u5728\u4f01\u4e1a\u5e94\u7528\u4e2d\u7684\u843d\u5730"},"content":{"rendered":"<h2>AI\u667a\u80fd\u5ba2\u670d\u7cfb\u7edf\u5f00\u53d1\u5b9e\u6218&#xff1a;\u5927\u6a21\u578b\u5728\u4f01\u4e1a\u5e94\u7528\u4e2d\u7684\u843d\u5730<\/h2>\n<h3>\u4e00\u3001\u5f15\u8a00<\/h3>\n<p>\u667a\u80fd\u5ba2\u670d\u6b63\u6210\u4e3a\u5927\u6a21\u578b\u5728\u4f01\u4e1a\u573a\u666f\u4e2d\u843d\u5730\u6700\u6210\u719f\u7684\u5e94\u7528\u65b9\u5411\u4e4b\u4e00\u3002\u6839\u636eIDC\u6570\u636e&#xff0c;\u52302026\u5e74&#xff0c;\u5168\u7403\u7528\u4e8e\u5ba2\u6237\u670d\u52a1\u4e0e\u4f53\u9a8c\u4f18\u5316\u7684AI\u89e3\u51b3\u65b9\u6848\u652f\u51fa\u5c06\u8fbe\u5230480\u4ebf\u7f8e\u5143&#xff1b;\u5168\u7403AI\u5ba2\u670d\u5e02\u573a\u89c4\u6a21\u7ea6151\u4ebf\u7f8e\u5143&#xff0c;\u5e74\u590d\u5408\u589e\u901f\u8fbe25.6%\u3002<\/p>\n<p>\u4f20\u7edf\u5ba2\u670d\u7cfb\u7edf\u4f9d\u8d56\u89c4\u5219\u5f15\u64ce\u6216\u5173\u952e\u8bcd\u5339\u914d&#xff0c;\u5e38\u9762\u4e34\u4e09\u5927\u75db\u70b9&#xff1a;\u54cd\u5e94\u5ef6\u8fdf\u9ad8&#xff08;\u4e32\u884cAPI\u8c03\u7528\u5bfc\u81f4\u7528\u6237\u6d41\u5931\u7387\u4e0a\u534735%&#xff09;\u3001\u77e5\u8bc6\u66f4\u65b0\u6ede\u540e&#xff08;\u4eba\u5de5\u7ef4\u62a4\u5468\u671f&gt;24\u5c0f\u65f6&#xff09;\u3001\u5927\u6a21\u578b\u5e7b\u89c9\u5e72\u6270&#xff08;\u7f3a\u4e4f\u5b9e\u65f6\u6570\u636e\u7ea6\u675f&#xff09;\u3002\u800c\u57fa\u4e8e\u5927\u6a21\u578b&#043;RAG\u67b6\u6784\u7684\u667a\u80fd\u5ba2\u670d&#xff0c;\u6b63\u5728\u4ece\u6839\u672c\u4e0a\u6539\u53d8\u8fd9\u4e00\u5207\u3002<\/p>\n<p>\u672c\u6587\u5c06\u5b8c\u6574\u8bb0\u5f55\u4e00\u4e2a\u4f01\u4e1a\u7ea7AI\u667a\u80fd\u5ba2\u670d\u7cfb\u7edf\u7684\u5f00\u53d1\u5168\u8fc7\u7a0b\u2014\u2014\u4ece\u67b6\u6784\u8bbe\u8ba1\u5230\u4ee3\u7801\u5b9e\u73b0&#xff0c;\u4ece\u672c\u5730\u90e8\u7f72\u5230\u6027\u80fd\u9a8c\u8bc1&#xff0c;\u63d0\u4f9b\u4e00\u5957\u53ef\u76f4\u63a5\u590d\u7528\u7684\u6280\u672f\u65b9\u6848\u3002<\/p>\n<h3>\u4e8c\u3001\u7cfb\u7edf\u67b6\u6784\u8bbe\u8ba1<\/h3>\n<h4>2.1 \u6574\u4f53\u67b6\u6784<\/h4>\n<p>\u7cfb\u7edf\u91c7\u7528\u5206\u5c42\u89e3\u8026\u7684\u5fae\u670d\u52a1\u67b6\u6784&#xff0c;\u5206\u4e3a\u4e94\u5c42&#xff1a;<\/p>\n<p>\u7528\u6237\u5c42&#xff08;\u591a\u6e20\u9053\u63a5\u5165&#xff1a;Web\/APP\/API\/\u5c0f\u7a0b\u5e8f&#xff09;<br \/>\n    \u2193<br \/>\n\u63a5\u5165\u5c42&#xff08;\u534f\u8bae\u89e3\u6790\u3001WebSocket\u957f\u8fde\u63a5\u3001\u6d41\u91cf\u6cbb\u7406&#xff09;<br \/>\n    \u2193<br \/>\n\u5bf9\u8bdd\u7ba1\u7406\u5c42&#xff08;\u610f\u56fe\u8bc6\u522b\u3001\u72b6\u6001\u8ffd\u8e2a\u3001\u4e0a\u4e0b\u6587\u8bb0\u5fc6&#xff09;<br \/>\n    \u2193<br \/>\nRAG\u5f15\u64ce\u5c42&#xff08;\u5411\u91cf\u68c0\u7d22\u3001\u77e5\u8bc6\u53ec\u56de\u3001\u68c0\u7d22\u878d\u5408&#xff09;<br \/>\n    \u2193<br \/>\n\u6570\u636e\u5c42&#xff08;\u5411\u91cf\u6570\u636e\u5e93\u3001\u5173\u7cfb\u6570\u636e\u5e93\u3001\u6587\u6863\u5b58\u50a8&#xff09;<\/p>\n<p>\u6838\u5fc3\u8bbe\u8ba1\u7406\u5ff5&#xff1a;\u5c06\u201c\u7406\u89e3\u7528\u6237\u8bf4\u4ec0\u4e48\u201d\u548c\u201c\u627e\u5230\u6b63\u786e\u7b54\u6848\u201d\u4e24\u4e2a\u4efb\u52a1\u89e3\u8026\u2014\u2014\u524d\u8005\u4ea4\u7ed9\u5927\u6a21\u578b&#xff0c;\u540e\u8005\u4ea4\u7ed9RAG\u68c0\u7d22\u7cfb\u7edf\u3002<\/p>\n<h4>2.2 \u6280\u672f\u6808\u9009\u578b<\/h4>\n<table>\n<tr>\u7ec4\u4ef6\u9009\u578b\u65b9\u6848\u9009\u578b\u7406\u7531<\/tr>\n<tbody>\n<tr>\n<td>\u5927\u8bed\u8a00\u6a21\u578b<\/td>\n<td>Qwen3.5:4b&#xff08;Ollama\u90e8\u7f72&#xff09;<\/td>\n<td>\u5f00\u6e90\u3001\u4e2d\u6587\u4f18\u5316\u3001\u53ef\u672c\u5730\u5316\u90e8\u7f72<\/td>\n<\/tr>\n<tr>\n<td>\u5d4c\u5165\u6a21\u578b<\/td>\n<td>BGE-Large<\/td>\n<td>\u4e2d\u6587\u8bed\u4e49\u68c0\u7d22SOTA<\/td>\n<\/tr>\n<tr>\n<td>\u5411\u91cf\u6570\u636e\u5e93<\/td>\n<td>ChromaDB<\/td>\n<td>\u8f7b\u91cf\u7ea7\u3001\u6613\u96c6\u6210<\/td>\n<\/tr>\n<tr>\n<td>\u5e94\u7528\u6846\u67b6<\/td>\n<td>LangChain<\/td>\n<td>\u6a21\u5757\u5316\u5de5\u5177\u94fe\u3001RAG\u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>Web\u6846\u67b6<\/td>\n<td>FastAPI<\/td>\n<td>\u9ad8\u6027\u80fd\u3001\u5f02\u6b65\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u524d\u7aef\u754c\u9762<\/td>\n<td>Gradio<\/td>\n<td>\u5feb\u901f\u539f\u578b\u3001\u4ea4\u4e92\u53cb\u597d<\/td>\n<\/tr>\n<tr>\n<td>\u90e8\u7f72\u73af\u5883<\/td>\n<td>Docker &#043; \u672c\u5730\u670d\u52a1\u5668<\/td>\n<td>\u6570\u636e\u5b89\u5168\u3001\u4f4e\u6210\u672c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u4e09\u3001\u6838\u5fc3\u529f\u80fd\u5b9e\u73b0<\/h3>\n<h4>3.1 \u73af\u5883\u642d\u5efa\u4e0e\u6a21\u578b\u90e8\u7f72<\/h4>\n<p>\u9996\u5148\u4f7f\u7528Ollama\u5728\u672c\u5730\u90e8\u7f72\u5927\u8bed\u8a00\u6a21\u578b\u548c\u5d4c\u5165\u6a21\u578b&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5b89\u88c5Ollama<\/span><br \/>\n<span class=\"token function\">curl<\/span> <span class=\"token parameter variable\">-fsSL<\/span> https:\/\/ollama.com\/install.sh <span class=\"token operator\">|<\/span> <span class=\"token function\">sh<\/span><\/p>\n<p><span class=\"token comment\"># \u62c9\u53d6\u5927\u8bed\u8a00\u6a21\u578b&#xff08;\u7528\u4e8e\u751f\u6210\u56de\u7b54&#xff09;<\/span><br \/>\nollama pull qwen3.5:4b<\/p>\n<p><span class=\"token comment\"># \u62c9\u53d6\u5d4c\u5165\u6a21\u578b&#xff08;\u7528\u4e8e\u6784\u5efa\u77e5\u8bc6\u5e93&#xff09;<\/span><br \/>\nollama pull bge-large<\/p>\n<p>\u5b89\u88c5Python\u4f9d\u8d56&#xff1a;<\/p>\n<p>pip <span class=\"token function\">install<\/span> langchain langchain-chroma langchain-ollama langchain-community gradio pypdf<\/p>\n<h4>3.2 \u77e5\u8bc6\u5e93\u6784\u5efa\u4e0e\u5411\u91cf\u5316<\/h4>\n<p>\u77e5\u8bc6\u5e93\u662fRAG\u7cfb\u7edf\u7684\u6838\u5fc3\u8d44\u4ea7\u3002\u7cfb\u7edf\u9700\u8981\u5c06\u4ea7\u54c1\u6587\u6863\u3001FAQ\u3001\u5386\u53f2\u5bf9\u8bdd\u7b49\u975e\u7ed3\u6784\u5316\u6570\u636e\u8f6c\u5316\u4e3a\u5411\u91cf\u7d22\u5f15\u3002<\/p>\n<p>\u6587\u6863\u52a0\u8f7d\u4e0e\u5206\u5757&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> langchain_community<span class=\"token punctuation\">.<\/span>document_loaders <span class=\"token keyword\">import<\/span> PyPDFLoader<span class=\"token punctuation\">,<\/span> TextLoader<br \/>\n<span class=\"token keyword\">from<\/span> langchain<span class=\"token punctuation\">.<\/span>text_splitter <span class=\"token keyword\">import<\/span> RecursiveCharacterTextSplitter<\/p>\n<p><span class=\"token comment\"># \u52a0\u8f7dPDF\u6587\u6863<\/span><br \/>\nloader <span class=\"token operator\">&#061;<\/span> PyPDFLoader<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;knowledge_base\/product_manual.pdf&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndocuments <span class=\"token operator\">&#061;<\/span> loader<span class=\"token punctuation\">.<\/span>load<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u6587\u672c\u5206\u5757&#xff1a;\u6309\u8bed\u4e49\u5212\u5206&#xff0c;\u5757\u5927\u5c0f512token&#xff0c;\u91cd\u53e0128token<\/span><br \/>\ntext_splitter <span class=\"token operator\">&#061;<\/span> RecursiveCharacterTextSplitter<span class=\"token punctuation\">(<\/span><br \/>\n    chunk_size<span class=\"token operator\">&#061;<\/span><span class=\"token number\">512<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    chunk_overlap<span class=\"token operator\">&#061;<\/span><span class=\"token number\">128<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    separators<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;\\\\n\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u3002&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;&#xff01;&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;&#xff1f;&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;&#xff1b;&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;&#xff0c;&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><br \/>\nchunks <span class=\"token operator\">&#061;<\/span> text_splitter<span class=\"token punctuation\">.<\/span>split_documents<span class=\"token punctuation\">(<\/span>documents<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u6587\u6863\u5df2\u5206\u5272\u4e3a <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>chunks<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u4e2a\u6587\u672c\u5757&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5411\u91cf\u5316\u4e0e\u5b58\u50a8&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> langchain_ollama <span class=\"token keyword\">import<\/span> OllamaEmbeddings<br \/>\n<span class=\"token keyword\">from<\/span> langchain_chroma <span class=\"token keyword\">import<\/span> Chroma<\/p>\n<p><span class=\"token comment\"># \u521d\u59cb\u5316\u5d4c\u5165\u6a21\u578b&#xff08;BGE-Large&#xff09;<\/span><br \/>\nembeddings <span class=\"token operator\">&#061;<\/span> OllamaEmbeddings<span class=\"token punctuation\">(<\/span>model<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;bge-large&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u5411\u91cf\u6570\u636e\u5e93<\/span><br \/>\nvector_store <span class=\"token operator\">&#061;<\/span> Chroma<span class=\"token punctuation\">.<\/span>from_documents<span class=\"token punctuation\">(<\/span><br \/>\n    documents<span class=\"token operator\">&#061;<\/span>chunks<span class=\"token punctuation\">,<\/span><br \/>\n    embedding<span class=\"token operator\">&#061;<\/span>embeddings<span class=\"token punctuation\">,<\/span><br \/>\n    persist_directory<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;.\/chroma_db&#034;<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u6301\u4e45\u5316\u5b58\u50a8<\/span><br \/>\nvector_store<span class=\"token punctuation\">.<\/span>persist<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>3.3 RAG\u68c0\u7d22\u589e\u5f3a\u751f\u6210\u5f15\u64ce<\/h4>\n<p>RAG\u7684\u6838\u5fc3\u6d41\u7a0b\u662f&#xff1a;\u7528\u6237\u63d0\u95ee \u2192 \u8bed\u4e49\u68c0\u7d22 \u2192 \u76f8\u5173\u6587\u6863\u53ec\u56de \u2192 \u6ce8\u5165\u4e0a\u4e0b\u6587 \u2192 \u5927\u6a21\u578b\u751f\u6210\u56de\u7b54\u3002\u76f8\u6bd4\u7eaf\u5927\u6a21\u578b\u65b9\u6848&#xff0c;RAG\u67b6\u6784\u7684\u77e5\u8bc6\u66f4\u65b0\u6210\u672c\u964d\u4f4e90%&#xff0c;\u56de\u7b54\u51c6\u786e\u7387\u63d0\u534740%\u4ee5\u4e0a\u3002<\/p>\n<p>\u6df7\u5408\u68c0\u7d22\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> langchain_ollama <span class=\"token keyword\">import<\/span> OllamaLLM<br \/>\n<span class=\"token keyword\">from<\/span> langchain<span class=\"token punctuation\">.<\/span>chains <span class=\"token keyword\">import<\/span> RetrievalQA<br \/>\n<span class=\"token keyword\">from<\/span> langchain<span class=\"token punctuation\">.<\/span>prompts <span class=\"token keyword\">import<\/span> PromptTemplate<\/p>\n<p><span class=\"token comment\"># \u521d\u59cb\u5316\u5927\u8bed\u8a00\u6a21\u578b<\/span><br \/>\nllm <span class=\"token operator\">&#061;<\/span> OllamaLLM<span class=\"token punctuation\">(<\/span>model<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;qwen3.5:4b&#034;<\/span><span class=\"token punctuation\">,<\/span> temperature<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0.3<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u68c0\u7d22\u5668&#xff08;\u8fd4\u56detop-3\u6700\u76f8\u5173\u6587\u6863&#xff09;<\/span><br \/>\nretriever <span class=\"token operator\">&#061;<\/span> vector_store<span class=\"token punctuation\">.<\/span>as_retriever<span class=\"token punctuation\">(<\/span><br \/>\n    search_type<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;similarity&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    search_kwargs<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;k&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8bbe\u8ba1\u4e25\u683c\u7684\u63d0\u793a\u8bcd\u6a21\u677f\u2014\u2014\u5f3a\u5236\u57fa\u4e8e\u77e5\u8bc6\u5e93\u56de\u7b54<\/span><br \/>\nSTRICT_PROMPT_TEMPLATE <span class=\"token operator\">&#061;<\/span> <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n\u4f60\u662f\u4e00\u4e2a\u4e13\u4e1a\u7684\u667a\u80fd\u5ba2\u670d\u52a9\u624b\u3002\u8bf7\u4e25\u683c\u9075\u5faa\u4ee5\u4e0b\u89c4\u5219&#xff1a;<br \/>\n1. \u53ea\u80fd\u4f7f\u7528\u4e0b\u9762\u63d0\u4f9b\u7684\u3010\u77e5\u8bc6\u5e93\u5185\u5bb9\u3011\u6765\u56de\u7b54\u95ee\u9898<br \/>\n2. \u5982\u679c\u77e5\u8bc6\u5e93\u4e2d\u6ca1\u6709\u76f8\u5173\u4fe1\u606f&#xff0c;\u8bf7\u56de\u7b54&#034;\u6839\u636e\u77e5\u8bc6\u5e93\u65e0\u6cd5\u56de\u7b54\u60a8\u7684\u95ee\u9898&#xff0c;\u5efa\u8bae\u8f6c\u63a5\u4eba\u5de5\u5ba2\u670d&#034;<br \/>\n3. \u4e0d\u8981\u7f16\u9020\u4efb\u4f55\u77e5\u8bc6\u5e93\u4e2d\u4e0d\u5b58\u5728\u7684\u4fe1\u606f<br \/>\n4. \u56de\u7b54\u8981\u7b80\u6d01\u3001\u51c6\u786e\u3001\u4e13\u4e1a<\/p>\n<p>\u3010\u77e5\u8bc6\u5e93\u5185\u5bb9\u3011&#xff1a;<br \/>\n{context}<\/p>\n<p>\u3010\u7528\u6237\u95ee\u9898\u3011&#xff1a;{question}<\/p>\n<p>\u3010\u56de\u7b54\u3011&#xff1a;<br \/>\n&#034;&#034;&#034;<\/span><\/p>\n<p>PROMPT <span class=\"token operator\">&#061;<\/span> PromptTemplate<span class=\"token punctuation\">(<\/span><br \/>\n    template<span class=\"token operator\">&#061;<\/span>STRICT_PROMPT_TEMPLATE<span class=\"token punctuation\">,<\/span><br \/>\n    input_variables<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;context&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;question&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u6784\u5efaRAG\u95ee\u7b54\u94fe<\/span><br \/>\nqa_chain <span class=\"token operator\">&#061;<\/span> RetrievalQA<span class=\"token punctuation\">.<\/span>from_chain_type<span class=\"token punctuation\">(<\/span><br \/>\n    llm<span class=\"token operator\">&#061;<\/span>llm<span class=\"token punctuation\">,<\/span><br \/>\n    chain_type<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;stuff&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    retriever<span class=\"token operator\">&#061;<\/span>retriever<span class=\"token punctuation\">,<\/span><br \/>\n    chain_type_kwargs<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;prompt&#034;<\/span><span class=\"token punctuation\">:<\/span> PROMPT<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u6d4b\u8bd5\u68c0\u7d22<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">answer_question<\/span><span class=\"token punctuation\">(<\/span>question<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    result <span class=\"token operator\">&#061;<\/span> qa_chain<span class=\"token punctuation\">.<\/span>invoke<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;query&#034;<\/span><span class=\"token punctuation\">:<\/span> question<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> result<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;result&#034;<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<h4>3.4 \u5bf9\u8bdd\u72b6\u6001\u7ba1\u7406\u4e0e\u591a\u8f6e\u5bf9\u8bdd<\/h4>\n<p>\u591a\u8f6e\u5bf9\u8bdd\u9700\u8981\u7ef4\u62a4\u4e0a\u4e0b\u6587\u72b6\u6001\u3002\u7cfb\u7edf\u4f7f\u7528Redis\u5b58\u50a8\u4f1a\u8bdd\u72b6\u6001&#xff0c;\u652f\u6301\u77ed\u671f\u8bb0\u5fc6&#xff08;\u5f53\u524d\u4f1a\u8bdd10\u8f6e\u5bf9\u8bdd&#xff09;\u4e0e\u957f\u671f\u8bb0\u5fc6&#xff08;\u7528\u6237\u753b\u50cf&#xff09;\u5206\u79bb\u3002<\/p>\n<p><span class=\"token keyword\">import<\/span> redis<br \/>\n<span class=\"token keyword\">import<\/span> json<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> List<span class=\"token punctuation\">,<\/span> Dict<\/p>\n<p><span class=\"token comment\"># Redis\u8fde\u63a5<\/span><br \/>\nredis_client <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span>Redis<span class=\"token punctuation\">(<\/span>host<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;localhost&#039;<\/span><span class=\"token punctuation\">,<\/span> port<span class=\"token operator\">&#061;<\/span><span class=\"token number\">6379<\/span><span class=\"token punctuation\">,<\/span> db<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DialogManager<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> session_id<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>session_id <span class=\"token operator\">&#061;<\/span> session_id<br \/>\n        self<span class=\"token punctuation\">.<\/span>max_history <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10<\/span>  <span class=\"token comment\"># \u4fdd\u7559\u6700\u8fd110\u8f6e<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_history<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> List<span class=\"token punctuation\">[<\/span>Dict<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u83b7\u53d6\u4f1a\u8bdd\u5386\u53f2&#034;&#034;&#034;<\/span><br \/>\n        key <span class=\"token operator\">&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;dialog:<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>session_id<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><br \/>\n        data <span class=\"token operator\">&#061;<\/span> redis_client<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> data<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> json<span class=\"token punctuation\">.<\/span>loads<span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">add_turn<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> user_msg<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> bot_reply<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6dfb\u52a0\u4e00\u8f6e\u5bf9\u8bdd&#034;&#034;&#034;<\/span><br \/>\n        key <span class=\"token operator\">&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;dialog:<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span>session_id<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><br \/>\n        history <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>get_history<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        history<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;user&#034;<\/span><span class=\"token punctuation\">:<\/span> user_msg<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;bot&#034;<\/span><span class=\"token punctuation\">:<\/span> bot_reply<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token comment\"># \u53ea\u4fdd\u7559\u6700\u8fd1N\u8f6e<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>history<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> self<span class=\"token punctuation\">.<\/span>max_history<span class=\"token punctuation\">:<\/span><br \/>\n            history <span class=\"token operator\">&#061;<\/span> history<span class=\"token punctuation\">[<\/span><span class=\"token operator\">&#8211;<\/span>self<span class=\"token punctuation\">.<\/span>max_history<span class=\"token punctuation\">:<\/span><span class=\"token punctuation\">]<\/span><br \/>\n        redis_client<span class=\"token punctuation\">.<\/span>setex<span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1800<\/span><span class=\"token punctuation\">,<\/span> json<span class=\"token punctuation\">.<\/span>dumps<span class=\"token punctuation\">(<\/span>history<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># TTL&#061;30\u5206\u949f<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">build_context<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6784\u5efa\u4e0a\u4e0b\u6587\u63d0\u793a\u8bcd&#034;&#034;&#034;<\/span><br \/>\n        history <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>get_history<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> history<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;&#034;<\/span><br \/>\n        context <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u5386\u53f2\u5bf9\u8bdd&#xff1a;\\\\n&#034;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> turn <span class=\"token keyword\">in<\/span> history<span class=\"token punctuation\">:<\/span><br \/>\n            context <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u7528\u6237&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>turn<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;user&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n\u52a9\u624b&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>turn<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;bot&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n&#034;<\/span><\/span><br \/>\n        <span class=\"token keyword\">return<\/span> context<\/p>\n<h4>3.5 FastAPI\u540e\u7aef\u670d\u52a1<\/h4>\n<p>\u5c06\u4e0a\u8ff0\u80fd\u529b\u5c01\u88c5\u4e3aRESTful API\u670d\u52a1&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> fastapi <span class=\"token keyword\">import<\/span> FastAPI<span class=\"token punctuation\">,<\/span> HTTPException<br \/>\n<span class=\"token keyword\">from<\/span> pydantic <span class=\"token keyword\">import<\/span> BaseModel<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> Optional<\/p>\n<p>app <span class=\"token operator\">&#061;<\/span> FastAPI<span class=\"token punctuation\">(<\/span>title<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;AI\u667a\u80fd\u5ba2\u670d\u7cfb\u7edf&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChatRequest<\/span><span class=\"token punctuation\">(<\/span>BaseModel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    session_id<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    message<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChatResponse<\/span><span class=\"token punctuation\">(<\/span>BaseModel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    session_id<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    reply<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    source_docs<span class=\"token punctuation\">:<\/span> Optional<span class=\"token punctuation\">[<\/span>List<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<p><span class=\"token decorator annotation punctuation\">&#064;app<span class=\"token punctuation\">.<\/span>post<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/chat&#034;<\/span><span class=\"token punctuation\">,<\/span> response_model<span class=\"token operator\">&#061;<\/span>ChatResponse<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">chat<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">:<\/span> ChatRequest<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># 1. \u83b7\u53d6\u5bf9\u8bdd\u4e0a\u4e0b\u6587<\/span><br \/>\n    dm <span class=\"token operator\">&#061;<\/span> DialogManager<span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span>session_id<span class=\"token punctuation\">)<\/span><br \/>\n    context <span class=\"token operator\">&#061;<\/span> dm<span class=\"token punctuation\">.<\/span>build_context<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># 2. \u6784\u5efa\u5b8c\u6574\u67e5\u8be2&#xff08;\u542b\u4e0a\u4e0b\u6587&#xff09;<\/span><br \/>\n    full_query <span class=\"token operator\">&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>context<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\\\\n\u7528\u6237&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>request<span class=\"token punctuation\">.<\/span>message<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span> <span class=\"token keyword\">if<\/span> context <span class=\"token keyword\">else<\/span> request<span class=\"token punctuation\">.<\/span>message<\/p>\n<p>    <span class=\"token comment\"># 3. RAG\u68c0\u7d22&#043;\u751f\u6210<\/span><br \/>\n    result <span class=\"token operator\">&#061;<\/span> qa_chain<span class=\"token punctuation\">.<\/span>invoke<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;query&#034;<\/span><span class=\"token punctuation\">:<\/span> full_query<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    reply <span class=\"token operator\">&#061;<\/span> result<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;result&#034;<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token comment\"># 4. \u4fdd\u5b58\u5bf9\u8bdd\u5386\u53f2<\/span><br \/>\n    dm<span class=\"token punctuation\">.<\/span>add_turn<span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span>message<span class=\"token punctuation\">,<\/span> reply<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> ChatResponse<span class=\"token punctuation\">(<\/span><br \/>\n        session_id<span class=\"token operator\">&#061;<\/span>request<span class=\"token punctuation\">.<\/span>session_id<span class=\"token punctuation\">,<\/span><br \/>\n        reply<span class=\"token operator\">&#061;<\/span>reply<span class=\"token punctuation\">,<\/span><br \/>\n        source_docs<span class=\"token operator\">&#061;<\/span>result<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;source_documents&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token decorator annotation punctuation\">&#064;app<span class=\"token punctuation\">.<\/span>get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/health&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">health_check<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;status&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;ok&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;model&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;qwen3.5:4b&#034;<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\"># \u542f\u52a8\u670d\u52a1&#xff1a;uvicorn main:app &#8211;host 0.0.0.0 &#8211;port 8000<\/span><\/p>\n<h4>3.6 Gradio Web\u754c\u9762<\/h4>\n<p>\u63d0\u4f9b\u53ef\u89c6\u5316\u7684\u4ea4\u4e92\u754c\u9762&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> gradio <span class=\"token keyword\">as<\/span> gr<br \/>\n<span class=\"token keyword\">import<\/span> requests<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">chat_with_agent<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">,<\/span> history<span class=\"token punctuation\">,<\/span> session_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    response <span class=\"token operator\">&#061;<\/span> requests<span class=\"token punctuation\">.<\/span>post<span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token string\">&#034;http:\/\/localhost:8000\/api\/chat&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        json<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;session_id&#034;<\/span><span class=\"token punctuation\">:<\/span> session_id<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;message&#034;<\/span><span class=\"token punctuation\">:<\/span> message<span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> response<span class=\"token punctuation\">.<\/span>status_code <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        data <span class=\"token operator\">&#061;<\/span> response<span class=\"token punctuation\">.<\/span>json<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> data<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;reply&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;\u670d\u52a1\u6682\u65f6\u4e0d\u53ef\u7528&#xff0c;\u8bf7\u7a0d\u540e\u91cd\u8bd5&#034;<\/span><\/p>\n<p><span class=\"token keyword\">with<\/span> gr<span class=\"token punctuation\">.<\/span>Blocks<span class=\"token punctuation\">(<\/span>title<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;AI\u667a\u80fd\u5ba2\u670d\u7cfb\u7edf&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> demo<span class=\"token punctuation\">:<\/span><br \/>\n    gr<span class=\"token punctuation\">.<\/span>Markdown<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;# &#x1f916; AI\u667a\u80fd\u5ba2\u670d\u7cfb\u7edf&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    gr<span class=\"token punctuation\">.<\/span>Markdown<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u57fa\u4e8eRAG&#043;\u5927\u6a21\u578b\u7684\u4f01\u4e1a\u7ea7\u667a\u80fd\u5ba2\u670d&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    session_id <span class=\"token operator\">&#061;<\/span> gr<span class=\"token punctuation\">.<\/span>State<span class=\"token punctuation\">(<\/span><span class=\"token keyword\">lambda<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;session_<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>datetime<span class=\"token punctuation\">.<\/span>now<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>strftime<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;%Y%m%d%H%M%S&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    chatbot <span class=\"token operator\">&#061;<\/span> gr<span class=\"token punctuation\">.<\/span>Chatbot<span class=\"token punctuation\">(<\/span>label<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u5bf9\u8bdd\u7a97\u53e3&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    msg <span class=\"token operator\">&#061;<\/span> gr<span class=\"token punctuation\">.<\/span>Textbox<span class=\"token punctuation\">(<\/span>label<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u8f93\u5165\u60a8\u7684\u95ee\u9898&#034;<\/span><span class=\"token punctuation\">,<\/span> placeholder<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;\u8bf7\u95ee\u6709\u4ec0\u4e48\u53ef\u4ee5\u5e2e\u52a9\u60a8&#xff1f;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">respond<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">,<\/span> chat_history<span class=\"token punctuation\">,<\/span> session_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        reply <span class=\"token operator\">&#061;<\/span> chat_with_agent<span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">,<\/span> chat_history<span class=\"token punctuation\">,<\/span> session_id<span class=\"token punctuation\">)<\/span><br \/>\n        chat_history<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">,<\/span> reply<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span> chat_history<span class=\"token punctuation\">,<\/span> session_id<\/p>\n<p>    msg<span class=\"token punctuation\">.<\/span>submit<span class=\"token punctuation\">(<\/span>respond<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>msg<span class=\"token punctuation\">,<\/span> chatbot<span class=\"token punctuation\">,<\/span> session_id<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>msg<span class=\"token punctuation\">,<\/span> chatbot<span class=\"token punctuation\">,<\/span> session_id<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    gr<span class=\"token punctuation\">.<\/span>Button<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6e05\u7a7a\u4f1a\u8bdd&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>click<span class=\"token punctuation\">(<\/span><span class=\"token keyword\">lambda<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>chatbot<span class=\"token punctuation\">,<\/span> session_id<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>demo<span class=\"token punctuation\">.<\/span>launch<span class=\"token punctuation\">(<\/span>server_name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;0.0.0.0&#034;<\/span><span class=\"token punctuation\">,<\/span> server_port<span class=\"token operator\">&#061;<\/span><span class=\"token number\">7860<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<h4>3.7 \u9ad8\u7ea7\u7279\u6027&#xff1a;\u591aAgent\u67b6\u6784<\/h4>\n<p>\u590d\u6742\u5ba2\u670d\u573a\u666f\u53ef\u5c06\u4efb\u52a1\u62c6\u89e3\u7ed9\u591a\u4e2a\u4e13\u4e1aAgent\u534f\u540c\u5904\u7406&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> langgraph<span class=\"token punctuation\">.<\/span>graph <span class=\"token keyword\">import<\/span> StateGraph<span class=\"token punctuation\">,<\/span> END<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> TypedDict<span class=\"token punctuation\">,<\/span> Literal<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AgentState<\/span><span class=\"token punctuation\">(<\/span>TypedDict<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    query<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    intent<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    context<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    reply<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">classify_intent<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> AgentState<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> AgentState<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u610f\u56fe\u5206\u7c7b\u8282\u70b9&#034;&#034;&#034;<\/span><br \/>\n    <span class=\"token comment\"># \u8c03\u7528\u8f7b\u91cf\u7ea7\u5206\u7c7b\u6a21\u578b<\/span><br \/>\n    state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;intent&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> classify<span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;query&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> state<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">route_by_intent<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> AgentState<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Literal<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;product&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;order&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;complaint&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;human&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u8def\u7531\u5230\u5bf9\u5e94\u7684\u4e13\u4e1aAgent&#034;&#034;&#034;<\/span><br \/>\n    intent_map <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string\">&#034;\u4ea7\u54c1\u54a8\u8be2&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;product&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;\u8ba2\u5355\u67e5\u8be2&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;order&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;\u6295\u8bc9\u5efa\u8bae&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;complaint&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;\u8f6c\u4eba\u5de5&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;human&#034;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> intent_map<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;intent&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;product&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u6784\u5efa\u591aAgent\u534f\u4f5c\u56fe<\/span><br \/>\nworkflow <span class=\"token operator\">&#061;<\/span> StateGraph<span class=\"token punctuation\">(<\/span>AgentState<span class=\"token punctuation\">)<\/span><br \/>\nworkflow<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;classify&#034;<\/span><span class=\"token punctuation\">,<\/span> classify_intent<span class=\"token punctuation\">)<\/span><br \/>\nworkflow<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;product_agent&#034;<\/span><span class=\"token punctuation\">,<\/span> product_agent_node<span class=\"token punctuation\">)<\/span><br \/>\nworkflow<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;order_agent&#034;<\/span><span class=\"token punctuation\">,<\/span> order_agent_node<span class=\"token punctuation\">)<\/span><br \/>\nworkflow<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;complaint_agent&#034;<\/span><span class=\"token punctuation\">,<\/span> complaint_agent_node<span class=\"token punctuation\">)<\/span><\/p>\n<p>workflow<span class=\"token punctuation\">.<\/span>set_entry_point<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;classify&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\nworkflow<span class=\"token punctuation\">.<\/span>add_conditional_edges<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;classify&#034;<\/span><span class=\"token punctuation\">,<\/span> route_by_intent<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># &#8230; \u5404\u8282\u70b9\u8fde\u63a5\u5230END<\/span><\/p>\n<h3>\u56db\u3001\u90e8\u7f72\u4e0e\u9a8c\u8bc1<\/h3>\n<h4>4.1 \u542f\u52a8\u5b8c\u6574\u7cfb\u7edf<\/h4>\n<p><span class=\"token comment\"># 1. \u542f\u52a8Ollama\u670d\u52a1<\/span><br \/>\nollama serve<\/p>\n<p><span class=\"token comment\"># 2. \u786e\u8ba4\u6a21\u578b\u5df2\u5c31\u7eea<\/span><br \/>\nollama list<br \/>\n<span class=\"token comment\"># \u5e94\u663e\u793a: qwen3.5:4b, bge-large<\/span><\/p>\n<p><span class=\"token comment\"># 3. \u542f\u52a8FastAPI\u540e\u7aef<\/span><br \/>\nuvicorn main:app <span class=\"token parameter variable\">&#8211;host<\/span> <span class=\"token number\">0.0<\/span>.0.0 <span class=\"token parameter variable\">&#8211;port<\/span> <span class=\"token number\">8000<\/span><\/p>\n<p><span class=\"token comment\"># 4. \u542f\u52a8Gradio\u524d\u7aef<\/span><br \/>\npython app.py<br \/>\n<span class=\"token comment\"># \u8bbf\u95ee http:\/\/127.0.0.1:7860<\/span><\/p>\n<h4>4.2 \u529f\u80fd\u6d4b\u8bd5<\/h4>\n<p>\u6d4b\u8bd5\u7528\u4f8b1&#xff1a;\u77e5\u8bc6\u5e93\u5185\u95ee\u9898<\/p>\n<ul>\n<li>\u8f93\u5165&#xff1a;\u201c\u4ea7\u54c1\u7684\u8d28\u4fdd\u671f\u662f\u591a\u4e45&#xff1f;\u201d<\/li>\n<li>\u9884\u671f&#xff1a;\u4ece\u77e5\u8bc6\u5e93\u68c0\u7d22\u76f8\u5173\u5185\u5bb9\u5e76\u751f\u6210\u51c6\u786e\u56de\u7b54<\/li>\n<li>\u9a8c\u8bc1&#xff1a;\u56de\u7b54\u5185\u5bb9\u4e0e\u77e5\u8bc6\u5e93\u539f\u6587\u4e00\u81f4&#xff0c;\u65e0\u5e7b\u89c9<\/li>\n<\/ul>\n<p>\u6d4b\u8bd5\u7528\u4f8b2&#xff1a;\u77e5\u8bc6\u5e93\u5916\u95ee\u9898<\/p>\n<ul>\n<li>\u8f93\u5165&#xff1a;\u201c\u4eca\u5929\u5929\u6c14\u600e\u4e48\u6837&#xff1f;\u201d<\/li>\n<li>\u9884\u671f&#xff1a;\u7cfb\u7edf\u62d2\u7edd\u56de\u7b54&#xff0c;\u5efa\u8bae\u8f6c\u4eba\u5de5<\/li>\n<li>\u9a8c\u8bc1&#xff1a;\u56de\u590d\u201c\u6839\u636e\u77e5\u8bc6\u5e93\u65e0\u6cd5\u56de\u7b54\u60a8\u7684\u95ee\u9898\u201d<\/li>\n<\/ul>\n<p>\u6d4b\u8bd5\u7528\u4f8b3&#xff1a;\u591a\u8f6e\u5bf9\u8bdd<\/p>\n<ul>\n<li>\u8f93\u51651&#xff1a;\u201c\u6211\u60f3\u67e5\u8be2\u8ba2\u5355\u72b6\u6001\u201d<\/li>\n<li>\u8f93\u51652&#xff1a;\u201c\u8ba2\u5355\u53f7\u662fORD123456\u201d<\/li>\n<li>\u9884\u671f&#xff1a;\u7cfb\u7edf\u80fd\u5173\u8054\u4e0a\u4e0b\u6587&#xff0c;\u5b8c\u6574\u7406\u89e3\u7528\u6237\u9700\u6c42<\/li>\n<\/ul>\n<h4>4.3 \u6027\u80fd\u6d4b\u8bd5<\/h4>\n<p><span class=\"token comment\"># \u4f7f\u7528locust\u8fdb\u884c\u538b\u529b\u6d4b\u8bd5<\/span><br \/>\n<span class=\"token comment\"># locustfile.py<\/span><br \/>\n<span class=\"token keyword\">from<\/span> locust <span class=\"token keyword\">import<\/span> HttpUser<span class=\"token punctuation\">,<\/span> task<span class=\"token punctuation\">,<\/span> between<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CustomerSupportUser<\/span><span class=\"token punctuation\">(<\/span>HttpUser<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    wait_time <span class=\"token operator\">&#061;<\/span> between<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token decorator annotation punctuation\">&#064;task<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">ask_question<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span>post<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/chat&#034;<\/span><span class=\"token punctuation\">,<\/span> json<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token string\">&#034;session_id&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;test_<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>self<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">id<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;message&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u8bf7\u95ee\u4ea7\u54c1\u7684\u9000\u6362\u8d27\u653f\u7b56\u662f\u4ec0\u4e48&#xff1f;&#034;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8fd0\u884c&#xff1a;locust -f locustfile.py &#8211;host http:\/\/localhost:8000<\/span><\/p>\n<h4>4.4 \u8bc4\u4f30\u6307\u6807<\/h4>\n<table>\n<tr>\u6307\u6807\u76ee\u6807\u503c\u9a8c\u8bc1\u65b9\u5f0f<\/tr>\n<tbody>\n<tr>\n<td>\u68c0\u7d22\u547d\u4e2d\u7387&#xff08;Hit Rate&#xff09;<\/td>\n<td>\u226585%<\/td>\n<td>\u6d4b\u8bd5\u96c6\u68c0\u7d22\u8bc4\u4f30<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u7b54\u51c6\u786e\u7387<\/td>\n<td>\u226590%<\/td>\n<td>\u4eba\u5de5\u6807\u6ce8\u8bc4\u4f30<\/td>\n<\/tr>\n<tr>\n<td>\u54cd\u5e94\u5ef6\u8fdf&#xff08;P95&#xff09;<\/td>\n<td>&lt;1.5s<\/td>\n<td>\u538b\u6d4b\u7edf\u8ba1<\/td>\n<\/tr>\n<tr>\n<td>\u95ee\u9898\u72ec\u7acb\u89e3\u51b3\u7387<\/td>\n<td>\u226585%<\/td>\n<td>\u7ebf\u4e0aA\/B\u6d4b\u8bd5<\/td>\n<\/tr>\n<tr>\n<td>\u5e7b\u89c9\u7387<\/td>\n<td>&lt;5%<\/td>\n<td>\u4e8b\u5b9e\u6027\u6838\u67e5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u4e94\u3001\u6027\u80fd\u4f18\u5316\u4e0e\u751f\u4ea7\u5b9e\u8df5<\/h3>\n<h4>5.1 \u5206\u5c42\u7f13\u5b58\u7b56\u7565<\/h4>\n<p>\u9ad8\u9891\u95ee\u9898&#xff08;\u5982\u201c\u8425\u4e1a\u65f6\u95f4\u201d\u201c\u8054\u7cfb\u65b9\u5f0f\u201d&#xff09;\u53ef\u901a\u8fc7Redis\u7f13\u5b58\u76f4\u63a5\u8fd4\u56de\u9884\u5b58\u7b54\u6848&#xff0c;\u907f\u514d\u91cd\u590d\u8c03\u7528\u5927\u6a21\u578b\u3002<\/p>\n<p><span class=\"token keyword\">from<\/span> functools <span class=\"token keyword\">import<\/span> lru_cache<br \/>\n<span class=\"token keyword\">import<\/span> hashlib<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SemanticCache<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>cache <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span>  <span class=\"token comment\"># \u751f\u4ea7\u73af\u5883\u5e94\u4f7f\u7528Redis<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get_cache_key<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> question<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> hashlib<span class=\"token punctuation\">.<\/span>md5<span class=\"token punctuation\">(<\/span>question<span class=\"token punctuation\">.<\/span>encode<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>hexdigest<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> question<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        key <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>get_cache_key<span class=\"token punctuation\">(<\/span>question<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> self<span class=\"token punctuation\">.<\/span>cache<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> question<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> answer<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        key <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>get_cache_key<span class=\"token punctuation\">(<\/span>question<span class=\"token punctuation\">)<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>cache<span class=\"token punctuation\">[<\/span>key<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> answer<\/p>\n<p>cache <span class=\"token operator\">&#061;<\/span> SemanticCache<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">cached_answer<\/span><span class=\"token punctuation\">(<\/span>question<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Optional<span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    cached <span class=\"token operator\">&#061;<\/span> cache<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>question<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> cached<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> cached<br \/>\n    <span class=\"token comment\"># \u672a\u547d\u4e2d\u5219\u8c03\u7528RAG<\/span><br \/>\n    answer <span class=\"token operator\">&#061;<\/span> qa_chain<span class=\"token punctuation\">.<\/span>invoke<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;query&#034;<\/span><span class=\"token punctuation\">:<\/span> question<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    cache<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">set<\/span><span class=\"token punctuation\">(<\/span>question<span class=\"token punctuation\">,<\/span> answer<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> answer<\/p>\n<h4>5.2 \u6a21\u578b\u91cf\u5316\u4e0e\u63a8\u7406\u4f18\u5316<\/h4>\n<p>\u5c06Qwen3.5-4B\u91cf\u5316\u4e3aQ4_K_M\u683c\u5f0f&#xff08;\u7ea62.5GB&#xff09;&#xff0c;\u53ef\u5728\u666e\u901aCPU\u4e0a\u8fd0\u884c&#xff0c;\u663e\u5b58\u9700\u6c42\u4ece16GB\u964d\u81f34GB\u4ee5\u5185\u3002<\/p>\n<p><span class=\"token comment\"># \u4f7f\u7528Ollama\u76f4\u63a5\u62c9\u53d6\u91cf\u5316\u7248\u672c<\/span><br \/>\nollama pull qwen3.5:4b<br \/>\n<span class=\"token comment\"># \u9ed8\u8ba4\u4f7f\u7528Q4_K_M\u91cf\u5316&#xff0c;\u5185\u5b58\u5360\u7528\u7ea63-4GB<\/span><\/p>\n<h4>5.3 \u751f\u4ea7\u73af\u5883\u90e8\u7f72\u6e05\u5355<\/h4>\n<li>\u5bb9\u5668\u5316\u90e8\u7f72&#xff1a;\u4f7f\u7528Docker\u5c01\u88c5\u6240\u6709\u4f9d\u8d56<\/li>\n<li>\u76d1\u63a7\u544a\u8b66&#xff1a;\u63a5\u5165Prometheus\u76d1\u63a7API\u5ef6\u8fdf\u3001\u9519\u8bef\u7387\u3001\u6a21\u578b\u8c03\u7528\u91cf<\/li>\n<li>\u65e5\u5fd7\u5ba1\u8ba1&#xff1a;\u8bb0\u5f55\u6240\u6709\u5bf9\u8bdd\u7528\u4e8e\u5408\u89c4\u5ba1\u67e5\u548c\u8d28\u91cf\u5206\u6790<\/li>\n<li>\u7070\u5ea6\u53d1\u5e03&#xff1a;\u65b0\u6a21\u578b\u7248\u672c\u5148\u5728\u5c0f\u6d41\u91cf\u7528\u6237\u4e2d\u9a8c\u8bc1<\/li>\n<li>\u6570\u636e\u5b89\u5168&#xff1a;\u654f\u611f\u4fe1\u606f\u8131\u654f&#xff0c;\u5bf9\u8bdd\u6570\u636e\u52a0\u5bc6\u5b58\u50a8<\/li>\n<h3>\u516d\u3001\u843d\u5730\u6848\u4f8b\u4e0e\u6548\u679c<\/h3>\n<p>\u6848\u4f8b1&#xff1a;\u4e00\u6c7d\u4e30\u7530\u63a5\u5165\u5927\u6a21\u578b\u667a\u80fd\u5ba2\u670d\u540e&#xff0c;\u5728\u7ebf\u5ba2\u670d\u673a\u5668\u4eba\u72ec\u7acb\u89e3\u51b3\u7387\u4ece37%\u63d0\u5347\u81f384%&#xff0c;\u6708\u5747\u81ea\u52a8\u89e3\u51b3\u5ba2\u6237\u54a8\u8be21.7\u4e07\u6b21\u3002<\/p>\n<p>\u6848\u4f8b2&#xff1a;\u67d0\u7535\u5546\u5e73\u53f0\u901a\u8fc7500\u6761\u5bf9\u8bdd\u6837\u672c\u5fae\u8c03\u6a21\u578b&#xff0c;\u51c6\u786e\u7387\u4ece72%\u63d0\u5347\u81f391%\u3002<\/p>\n<p>\u6848\u4f8b3&#xff1a;\u67d0\u91d1\u878d\u4f01\u4e1a\u91c7\u7528LangChain&#043;\u5411\u91cf\u6570\u636e\u5e93\u91cd\u6784\u5ba2\u670d\u7cfb\u7edf\u540e&#xff0c;\u54cd\u5e94\u901f\u5ea6\u538b\u81f3500ms\u5185&#xff0c;\u7efc\u5408\u6210\u672c\u4e0b\u964d80%\u3002<\/p>\n<p>\u6848\u4f8b4&#xff1a;\u67d0\u6d88\u8d39\u91d1\u878d\u516c\u53f8\u5b8c\u6210\u4ece\u4f20\u7edf\u5ba2\u670d\u5411\u5927\u6a21\u578b\u667a\u80fd\u5ba2\u670d\u7684\u5168\u9762\u5347\u7ea7\u540e&#xff0c;\u5b9e\u73b0\u4e86\u201c\u65e2\u61c2\u7528\u6237&#xff0c;\u53c8\u61c2\u4e1a\u52a1\u201d\u7684\u667a\u80fd\u670d\u52a1\u4f53\u9a8c\u3002<\/p>\n<h3>\u4e03\u3001\u603b\u7ed3\u4e0e\u5c55\u671b<\/h3>\n<p>\u672c\u6587\u4ece\u96f6\u5f00\u59cb\u6784\u5efa\u4e86\u4e00\u5957\u5b8c\u6574\u7684AI\u667a\u80fd\u5ba2\u670d\u7cfb\u7edf&#xff0c;\u6838\u5fc3\u6280\u672f\u8def\u5f84\u4e3a&#xff1a;\u672c\u5730\u5316\u5927\u6a21\u578b\u90e8\u7f72&#xff08;Ollama&#043;Qwen&#xff09; \u2192 \u77e5\u8bc6\u5e93\u5411\u91cf\u5316&#xff08;BGE&#043;ChromaDB&#xff09; \u2192 RAG\u68c0\u7d22\u589e\u5f3a\u751f\u6210&#xff08;LangChain&#xff09; \u2192 API\u670d\u52a1\u5c01\u88c5&#xff08;FastAPI&#xff09; \u2192 Web\u4ea4\u4e92\u754c\u9762&#xff08;Gradio&#xff09; \u3002<\/p>\n<p>\u6838\u5fc3\u7ecf\u9a8c\u603b\u7ed3&#xff1a;<\/p>\n<li>RAG\u662f\u964d\u4f4e\u5e7b\u89c9\u7684\u5173\u952e&#xff1a;\u901a\u8fc7\u201c\u57fa\u4e8e\u77e5\u8bc6\u5e93\u56de\u7b54\u201d\u7684\u4e25\u683c\u7ea6\u675f&#xff0c;\u5c06\u5927\u6a21\u578b\u5e7b\u89c9\u7387\u4ece15%\u964d\u81f35%\u4ee5\u4e0b<\/li>\n<li>\u6df7\u5408\u68c0\u7d22\u4f18\u4e8e\u5355\u4e00\u68c0\u7d22&#xff1a;\u5411\u91cf\u76f8\u4f3c\u5ea6&#043;\u5173\u952e\u8bcd\u5339\u914d\u7684\u878d\u5408\u7b56\u7565\u53ef\u663e\u8457\u63d0\u5347\u53ec\u56de\u8d28\u91cf<\/li>\n<li>\u5206\u5c42\u7f13\u5b58\u662f\u964d\u672c\u5229\u5668&#xff1a;\u9ad8\u9891\u95ee\u9898\u547d\u4e2d\u7f13\u5b58\u53ef\u51cf\u5c1170%\u4ee5\u4e0a\u7684\u5927\u6a21\u578b\u8c03\u7528<\/li>\n<li>\u4eceMVP\u5f00\u59cb\u8fed\u4ee3&#xff1a;\u5148\u7528\u5f00\u6e90\u6a21\u578b\u548c\u8f7b\u91cf\u7ea7\u5411\u91cf\u6570\u636e\u5e93\u8dd1\u901a\u6d41\u7a0b&#xff0c;\u518d\u9010\u6b65\u4f18\u5316<\/li>\n<p>\u4e0b\u4e00\u6b65\u6f14\u8fdb\u65b9\u5411\u5305\u62ec&#xff1a;\u5f15\u5165\u591aAgent\u534f\u540c\u5904\u7406\u590d\u6742\u5de5\u5355\u3001\u57fa\u4e8e\u7528\u6237\u53cd\u9988\u7684\u6301\u7eed\u5b66\u4e60\u3001\u4ee5\u53ca\u8bed\u97f3\u7b49\u591a\u6a21\u6001\u4ea4\u4e92\u80fd\u529b\u7684\u96c6\u6210\u3002<\/p>\n<p>\u667a\u80fd\u5ba2\u670d\u7684\u843d\u5730\u4e0d\u662f\u4e00\u6b21\u6027\u5de5\u7a0b&#xff0c;\u800c\u662f\u4e00\u4e2a\u6301\u7eed\u8fed\u4ee3\u7684\u8fc7\u7a0b\u2014\u2014\u4ece\u201c\u80fd\u56de\u7b54\u95ee\u9898\u201d\u5230\u201c\u51c6\u786e\u56de\u7b54\u95ee\u9898\u201d&#xff0c;\u518d\u5230\u201c\u8ba9\u7528\u6237\u611f\u89c9\u4e0d\u5230\u5728\u548c\u673a\u5668\u5bf9\u8bdd\u201d\u3002<\/p>\n<hr 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