{"id":88991,"date":"2026-08-02T08:41:47","date_gmt":"2026-08-02T00:41:47","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/88991.html"},"modified":"2026-08-02T08:41:47","modified_gmt":"2026-08-02T00:41:47","slug":"langgraph-%e4%bf%9d%e5%a7%86%e7%ba%a7%e5%85%a5%e9%97%a8%e6%95%99%e7%a8%8b%ef%bc%9a%e4%bb%8e%e7%8e%af%e5%a2%83%e6%90%ad%e5%bb%ba%e5%88%b0%e7%8a%b6%e6%80%81%e7%ae%a1%e7%90%86%ef%bc%8c%e4%b8%80%e7%af%87","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/88991.html","title":{"rendered":"LangGraph \u4fdd\u59c6\u7ea7\u5165\u95e8\u6559\u7a0b\uff1a\u4ece\u73af\u5883\u642d\u5efa\u5230\u72b6\u6001\u7ba1\u7406\uff0c\u4e00\u7bc7\u5403\u900f AI Agent \u6838\u5fc3\u539f\u7406"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u7b2c1\u7ae0 \u5f00\u53d1\u73af\u5883\u914d\u7f6e<\/li>\n<li>\n<ul>\n<li>1.1 Miniconda \u5b89\u88c5\u4e0e\u914d\u7f6e<\/li>\n<li>\n<ul>\n<li>1.1.1 \u4e0b\u8f7d Miniconda<\/li>\n<li>1.1.2 Windows \u7cfb\u7edf\u5b89\u88c5\u6b65\u9aa4<\/li>\n<li>1.1.3 macOS \u7cfb\u7edf\u5b89\u88c5\u6b65\u9aa4<\/li>\n<li>1.1.4 Linux \u7cfb\u7edf\u5b89\u88c5\u6b65\u9aa4<\/li>\n<\/ul>\n<\/li>\n<li>1.2 Conda \u865a\u62df\u73af\u5883\u7ba1\u7406<\/li>\n<li>\n<ul>\n<li>1.2.1 Conda \u5e38\u7528\u547d\u4ee4\u901f\u67e5\u8868<\/li>\n<li>1.2.2 \u521b\u5efa\u8bfe\u7a0b\u4e13\u7528\u73af\u5883<\/li>\n<li>1.2.3 \u6fc0\u6d3b\u865a\u62df\u73af\u5883<\/li>\n<li>1.2.4 \u914d\u7f6e pip \u56fd\u5185\u955c\u50cf\u6e90\uff08\u4e2d\u56fd\u5927\u9646\u7528\u6237\u63a8\u8350\uff09<\/li>\n<\/ul>\n<\/li>\n<li>1.3 PyCharm IDE \u5b89\u88c5\u4e0e\u9879\u76ee\u521b\u5efa<\/li>\n<li>\n<ul>\n<li>1.3.1 \u4e0b\u8f7d PyCharm<\/li>\n<li>1.3.2 Windows \u7cfb\u7edf\u5b89\u88c5 PyCharm<\/li>\n<li>1.3.3 macOS \u7cfb\u7edf\u5b89\u88c5 PyCharm<\/li>\n<li>1.3.4 \u521b\u5efa\u8bfe\u7a0b\u9879\u76ee<\/li>\n<li>1.3.5 \u4f7f\u7528 PyCharm \u7ec8\u7aef<\/li>\n<\/ul>\n<\/li>\n<li>1.4 \u4f9d\u8d56\u5305\u5b89\u88c5\u8be6\u89e3<\/li>\n<li>\n<ul>\n<li>1.4.1 \u6838\u5fc3\u4f9d\u8d56\u5305\u8bf4\u660e<\/li>\n<li>1.4.2 \u5b89\u88c5\u4f9d\u8d56\u5305<\/li>\n<\/ul>\n<\/li>\n<li>1.5 API Key \u914d\u7f6e\u4e0e\u73af\u5883\u53d8\u91cf\u7ba1\u7406<\/li>\n<li>\n<ul>\n<li>1.5.1 \u83b7\u53d6 DeepSeek API Key<\/li>\n<li>1.5.2 \u521b\u5efa .env \u73af\u5883\u53d8\u91cf\u6587\u4ef6<\/li>\n<li>1.5.3 \u5728\u4ee3\u7801\u4e2d\u8bfb\u53d6 .env \u6587\u4ef6<\/li>\n<\/ul>\n<\/li>\n<li>1.6 Jupyter Notebook \u914d\u7f6e\u4e0e\u4f7f\u7528<\/li>\n<li>\n<ul>\n<li>1.6.1 \u542f\u52a8 Jupyter Notebook<\/li>\n<li>1.6.2 \u9a8c\u8bc1 Kernel \u914d\u7f6e<\/li>\n<li>1.6.3 Jupyter Notebook \u57fa\u672c\u4f7f\u7528<\/li>\n<\/ul>\n<\/li>\n<li>1.7 \u73af\u5883\u9a8c\u8bc1\u5b8c\u6574\u6d41\u7a0b<\/li>\n<li>\n<ul>\n<li>1.7.1 \u57fa\u7840\u547d\u4ee4\u9a8c\u8bc1<\/li>\n<li>1.7.2 \u4ee3\u7801\u9a8c\u8bc1\u811a\u672c<\/li>\n<\/ul>\n<\/li>\n<li>1.8 \u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/li>\n<li>\n<ul>\n<li>Q1: `conda` \u547d\u4ee4\u627e\u4e0d\u5230\uff1f<\/li>\n<li>Q2: PyCharm \u4e2d\u627e\u4e0d\u5230 Conda \u73af\u5883\uff1f<\/li>\n<li>Q3: `pip install` \u901f\u5ea6\u5f88\u6162\u6216\u8005\u8d85\u65f6\uff1f<\/li>\n<li>Q4: \u5b89\u88c5\u4f9d\u8d56\u65f6\u62a5\u9519 `Microsoft Visual C++ 14.0 is required`\uff1f<\/li>\n<li>Q5: Jupyter \u4e2d\u627e\u4e0d\u5230 `Python (langgraph)` Kernel\uff1f<\/li>\n<li>Q6: `import langgraph` \u62a5 `ModuleNotFoundError`\uff1f<\/li>\n<li>Q7: \u6a21\u578b\u8c03\u7528\u65f6\u62a5 `AuthenticationError`\uff08\u8ba4\u8bc1\u9519\u8bef\uff09\uff1f<\/li>\n<li>Q8: \u6a21\u578b\u8c03\u7528\u65f6\u62a5\u7f51\u7edc\u8fde\u63a5\u9519\u8bef\uff1f<\/li>\n<li>Q9: \u60f3\u628a\u73af\u5883\u6062\u590d\u5230\u521d\u59cb\u72b6\u6001\u91cd\u65b0\u5b89\u88c5\uff1f<\/li>\n<li>Q10: PyCharm \u4e2d\u4ee3\u7801\u8865\u5168\u4e0d\u5de5\u4f5c\uff1f<\/li>\n<\/ul>\n<\/li>\n<li>\u73af\u5883\u914d\u7f6e\u68c0\u67e5\u6e05\u5355<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c2\u7ae0 LangGraph \u6982\u8ff0\u4e0e\u5b9a\u4f4d<\/li>\n<li>\n<ul>\n<li>2.1 LangChain \u4e0e LangGraph \u7684\u5173\u7cfb<\/li>\n<li>\n<ul>\n<li>2.1.1 LangChain 1.x \u7684\u5b9a\u4f4d\u53d8\u5316<\/li>\n<li>2.1.2 LangGraph \u7684\u5b9a\u4f4d<\/li>\n<li>2.1.3 \u4e8c\u8005\u7684\u5b9a\u4f4d\u5bf9\u6bd4<\/li>\n<\/ul>\n<\/li>\n<li>2.2 LangGraph \u7684\u6838\u5fc3\u4ef7\u503c<\/li>\n<li>\n<ul>\n<li>2.2.1 \u6709\u72b6\u6001\u7684\u6267\u884c\u6a21\u578b<\/li>\n<li>2.2.2 \u5faa\u73af\u4e0e\u5206\u652f\u7684\u539f\u751f\u652f\u6301<\/li>\n<li>2.2.3 \u53ef\u9760\u7684\u6301\u4e45\u5316\u4e0e\u6062\u590d<\/li>\n<li>2.2.4 \u4e00\u6d41\u7684\u6d41\u5f0f\u652f\u6301<\/li>\n<li>2.2.5 \u539f\u751f Human-in-the-Loop<\/li>\n<\/ul>\n<\/li>\n<li>2.3 \u4ec0\u4e48\u65f6\u5019\u5e94\u8be5\u4f7f\u7528 LangGraph<\/li>\n<li>\n<ul>\n<li>2.3.1 \u9002\u5408\u4f7f\u7528 LangGraph \u7684\u573a\u666f<\/li>\n<li>2.3.2 \u53ef\u80fd\u4e0d\u9700\u8981 LangGraph \u7684\u573a\u666f<\/li>\n<\/ul>\n<\/li>\n<li>2.4 LangGraph \u7684\u6280\u672f\u67b6\u6784\u6982\u89c8<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c3\u7ae0 LangGraph \u8fd0\u884c\u65f6\u5e95\u5c42\u539f\u7406<\/li>\n<li>\n<ul>\n<li>3.1 Pregel \u8ba1\u7b97\u6a21\u578b<\/li>\n<li>\n<ul>\n<li>3.1.1 \u4e3a\u4ec0\u4e48\u9009\u62e9 Pregel \u6a21\u578b<\/li>\n<li>3.1.2 Pregel \u7684\u6838\u5fc3\u601d\u60f3<\/li>\n<\/ul>\n<\/li>\n<li>3.2 Superstep\uff08\u8d85\u6b65\uff09\u673a\u5236\u8be6\u89e3<\/li>\n<li>\n<ul>\n<li>3.2.1 \u4ec0\u4e48\u662f Superstep<\/li>\n<li>3.2.2 \u4e3a\u4ec0\u4e48\u9700\u8981 Superstep<\/li>\n<\/ul>\n<\/li>\n<li>3.3 \u56fe\u8fd0\u884c\u7684\u4e09\u4e2a\u9636\u6bb5<\/li>\n<li>\n<ul>\n<li>3.3.1 \u8ba1\u5212\/\u8def\u7531\u9636\u6bb5\uff08Plan \/ Routing\uff09<\/li>\n<li>3.3.2 \u6267\u884c\u9636\u6bb5\uff08Execution\uff09<\/li>\n<li>3.3.3 \u72b6\u6001\u66f4\u65b0\/\u63d0\u4ea4\u9636\u6bb5\uff08Update \/ Commit\uff09<\/li>\n<li>3.3.4 \u5b8c\u6574\u6d41\u7a0b\u793a\u610f<\/li>\n<\/ul>\n<\/li>\n<li>3.4 Channel \u72b6\u6001\u901a\u9053\u673a\u5236<\/li>\n<li>\n<ul>\n<li>3.4.1 \u4ec0\u4e48\u662f Channel<\/li>\n<li>3.4.2 Channel \u7684\u7c7b\u578b<\/li>\n<li>3.4.3 Channel \u4e0e\u8282\u70b9\u89e6\u53d1\u7684\u5173\u7cfb<\/li>\n<li>3.4.4 \u4ece\u6e90\u7801\u89d2\u5ea6\u7406\u89e3 Channel<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c4\u7ae0 \u56fe\u7684\u57fa\u672c\u6784\u6210\u8981\u7d20<\/li>\n<li>\n<ul>\n<li>4.1 State\uff08\u72b6\u6001\uff09\uff1a\u5171\u4eab\u6570\u636e\u7684\u6838\u5fc3\u8f7d\u4f53<\/li>\n<li>\n<ul>\n<li>4.1.1 State \u7684\u672c\u8d28<\/li>\n<li>4.1.2 State \u7684\u7279\u70b9<\/li>\n<\/ul>\n<\/li>\n<li>4.2 Node\uff08\u8282\u70b9\uff09\uff1a\u4e1a\u52a1\u903b\u8f91\u7684\u6267\u884c\u5355\u5143<\/li>\n<li>\n<ul>\n<li>4.2.1 \u8282\u70b9\u51fd\u6570\u7684\u57fa\u672c\u5f62\u5f0f<\/li>\n<li>4.2.2 \u8282\u70b9\u7684\u6838\u5fc3\u89c4\u5219<\/li>\n<li>4.2.3 \u8282\u70b9\u53ef\u4ee5\u505a\u4ec0\u4e48<\/li>\n<\/ul>\n<\/li>\n<li>4.3 Edge\uff08\u8fb9\uff09\uff1a\u63a7\u5236\u6d41\u7a0b\u7684\u6d41\u8f6c\u5173\u7cfb<\/li>\n<li>\n<ul>\n<li>4.3.1 \u8fb9\u7684\u7c7b\u578b<\/li>\n<li>4.3.2 \u8fb9\u7684\u65b9\u5411<\/li>\n<li>4.3.3 \u6761\u4ef6\u8fb9\u7684\u7075\u6d3b\u6027<\/li>\n<\/ul>\n<\/li>\n<li>4.4 START \u4e0e END\uff1a\u56fe\u7684\u8fb9\u754c\u6807\u8bb0<\/li>\n<li>\n<ul>\n<li>4.4.1 START\uff1a\u56fe\u7684\u5165\u53e3<\/li>\n<li>4.4.2 END\uff1a\u56fe\u7684\u51fa\u53e3<\/li>\n<li>4.4.3 \u4e00\u4e2a\u7b80\u5355\u7684\u4e09\u8981\u7d20\u793a\u4f8b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c5\u7ae0 Graph API vs Functional API<\/li>\n<li>\n<ul>\n<li>5.1 \u4e24\u79cd API \u7684\u8bbe\u8ba1\u54f2\u5b66<\/li>\n<li>\n<ul>\n<li>5.1.1 Graph API \u7684\u8bbe\u8ba1\u54f2\u5b66<\/li>\n<li>5.1.2 Functional API \u7684\u8bbe\u8ba1\u54f2\u5b66<\/li>\n<\/ul>\n<\/li>\n<li>5.2 Graph API\uff1a\u58f0\u660e\u5f0f\u56fe\u6784\u5efa<\/li>\n<li>\n<ul>\n<li>5.2.1 Graph API \u7684\u5178\u578b\u4ee3\u7801\u7ed3\u6784<\/li>\n<li>5.2.2 Graph API \u7684\u4f18\u52bf\u573a\u666f<\/li>\n<\/ul>\n<\/li>\n<li>5.3 Functional API\uff1a\u547d\u4ee4\u5f0f\u51fd\u6570\u6d41\u7a0b<\/li>\n<li>\n<ul>\n<li>5.3.1 Functional API \u7684\u5178\u578b\u4ee3\u7801\u7ed3\u6784<\/li>\n<li>5.3.2 Functional API \u7684\u4f18\u52bf\u573a\u666f<\/li>\n<\/ul>\n<\/li>\n<li>5.4 \u6838\u5fc3\u533a\u522b\u5bf9\u6bd4<\/li>\n<li>5.5 \u9009\u578b\u5efa\u8bae\u4e0e\u6700\u4f73\u5b9e\u8df5<\/li>\n<li>\n<ul>\n<li>5.5.1 \u5b66\u4e60\u8def\u5f84\u5efa\u8bae<\/li>\n<li>5.5.2 \u9879\u76ee\u9009\u578b\u5efa\u8bae<\/li>\n<li>5.5.3 \u6df7\u5408\u4f7f\u7528<\/li>\n<li>5.5.4 \u672c\u6559\u7a0b\u7684\u4fa7\u91cd\u70b9<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c6\u7ae0 \u7b2c\u4e00\u4e2a LangGraph \u7a0b\u5e8f<\/li>\n<li>\n<ul>\n<li>6.1 \u5b8c\u6574\u7684\u4e09\u6b65\u6784\u5efa\u6d41\u7a0b<\/li>\n<li>6.2 \u5b9a\u4e49\u5168\u5c40\u72b6\u6001<\/li>\n<li>6.3 \u521b\u5efa StateGraph \u5b9e\u4f8b<\/li>\n<li>6.4 \u5b9a\u4e49\u8282\u70b9\u51fd\u6570<\/li>\n<li>6.5 \u6dfb\u52a0\u8282\u70b9\u548c\u8fb9<\/li>\n<li>6.6 \u7f16\u8bd1\u56fe<\/li>\n<li>6.7 \u8c03\u7528\u56fe\u5e76\u67e5\u770b\u7ed3\u679c<\/li>\n<li>6.8 \u5b8c\u6574\u4ee3\u7801\u9010\u884c\u89e3\u6790<\/li>\n<li>\n<ul>\n<li>6.8.1 \u6267\u884c\u8fc7\u7a0b\u6df1\u5ea6\u8ffd\u8e2a<\/li>\n<\/ul>\n<\/li>\n<li>6.9 \u672c\u7ae0\u5c0f\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c7\u7ae0 \u56fe\u7ed3\u6784\u53ef\u89c6\u5316<\/li>\n<li>\n<ul>\n<li>7.1 Mermaid \u56fe\u8868\u8bed\u6cd5\u7b80\u4ecb<\/li>\n<li>7.2 \u83b7\u53d6 Mermaid \u6e90\u7801<\/li>\n<li>7.3 \u6e32\u67d3\u4e3a PNG \u56fe\u7247<\/li>\n<li>\n<ul>\n<li>7.3.1 draw_mermaid_png() \u65b9\u6cd5<\/li>\n<\/ul>\n<\/li>\n<li>7.4 Jupyter \u73af\u5883\u4e2d\u7684\u5feb\u6377\u5c55\u793a<\/li>\n<li>\n<ul>\n<li>7.4.1 \u4f7f\u7528 IPython.display \u5c55\u793a PNG<\/li>\n<li>7.4.2 \u6700\u5feb\u6377\u7684\u65b9\u5f0f\uff1adisplay(graph)<\/li>\n<\/ul>\n<\/li>\n<li>7.5 \u4fdd\u5b58\u53ef\u89c6\u5316\u56fe\u7247\u5230\u6587\u4ef6<\/li>\n<li>\n<ul>\n<li>7.5.1 \u53ef\u89c6\u5316\u590d\u6742\u56fe\u793a\u4f8b<\/li>\n<li>7.5.2 \u81ea\u5b9a\u4e49 Mermaid \u6837\u5f0f\uff08\u53ef\u9009\uff09<\/li>\n<\/ul>\n<\/li>\n<li>7.6 \u672c\u7ae0\u5c0f\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c8\u7ae0 \u72b6\u6001\uff08State\uff09\u7ba1\u7406\u6df1\u5ea6\u89e3\u6790<\/li>\n<li>\n<ul>\n<li>8.1 \u72b6\u6001 Schema \u7684\u4e09\u79cd\u5b9a\u4e49\u65b9\u5f0f<\/li>\n<li>8.2 TypedDict \u8be6\u89e3\u4e0e\u63a8\u8350\u7528\u6cd5<\/li>\n<li>\n<ul>\n<li>8.2.1 \u57fa\u672c\u7528\u6cd5<\/li>\n<li>8.2.2 \u4e3a\u4ec0\u4e48\u63a8\u8350 TypedDict<\/li>\n<li>8.2.3 TypedDict \u7684\u4e24\u79cd\u5b9a\u4e49\u8bed\u6cd5<\/li>\n<\/ul>\n<\/li>\n<li>8.3 dataclass \u72b6\u6001\u5b9a\u4e49<\/li>\n<li>\n<ul>\n<li>8.3.1 \u57fa\u672c\u7528\u6cd5<\/li>\n<li>8.3.2 dataclass \u7684\u7279\u70b9<\/li>\n<\/ul>\n<\/li>\n<li>8.4 Pydantic BaseModel \u72b6\u6001\u5b9a\u4e49<\/li>\n<li>\n<ul>\n<li>8.4.1 \u57fa\u672c\u7528\u6cd5<\/li>\n<li>8.4.2 Pydantic \u7684\u6821\u9a8c\u80fd\u529b<\/li>\n<\/ul>\n<\/li>\n<li>8.5 \u4e09\u79cd\u65b9\u5f0f\u7684\u6821\u9a8c\u884c\u4e3a\u5bf9\u6bd4<\/li>\n<li>\n<ul>\n<li>8.5.1 \u8f93\u5165\u5b57\u6bb5\u4e0d\u5339\u914d\uff08\u521d\u59cb\u8c03\u7528\u65f6\uff09<\/li>\n<li>8.5.2 \u8282\u70b9\u8fd4\u56de\u5b57\u6bb5\u4e0d\u5339\u914d<\/li>\n<\/ul>\n<\/li>\n<li>8.6 \u8282\u70b9\u4e2d\u8bfb\u53d6\u72b6\u6001\u7684\u6700\u4f73\u5b9e\u8df5<\/li>\n<li>\n<ul>\n<li>8.6.1 \u8bfb\u53d6\u5b57\u6bb5\u7684\u65b9\u6cd5<\/li>\n<li>8.6.2 \u8bfb\u53d6\u72b6\u6001\u7684\u6ce8\u610f\u4e8b\u9879<\/li>\n<\/ul>\n<\/li>\n<li>8.7 \u8282\u70b9\u66f4\u65b0\u72b6\u6001\u7684\u6838\u5fc3\u89c4\u5219<\/li>\n<li>\n<ul>\n<li>8.7.1 \u53ea\u8fd4\u56de\u9700\u8981\u66f4\u65b0\u7684\u5b57\u6bb5<\/li>\n<li>8.7.2 \u8fd4\u56de\u7a7a\u5b57\u5178<\/li>\n<\/ul>\n<\/li>\n<li>8.8 \u672c\u7ae0\u5c0f\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c9\u7ae0 State Reducer \u72b6\u6001\u5408\u5e76\u673a\u5236<\/li>\n<li>\n<ul>\n<li>9.1 Reducer \u7684\u672c\u8d28\u4e0e\u4f5c\u7528<\/li>\n<li>\n<ul>\n<li>9.1.1 \u4e3a\u4ec0\u4e48\u9700\u8981 Reducer<\/li>\n<li>9.1.2 Reducer \u7684\u5b9a\u4e49<\/li>\n<li>9.1.3 Reducer \u7684\u6838\u5fc3\u7279\u5f81<\/li>\n<\/ul>\n<\/li>\n<li>9.2 \u5982\u4f55\u5b9a\u4e49\u81ea\u5b9a\u4e49 Reducer<\/li>\n<li>\n<ul>\n<li>9.2.1 \u5b9a\u4e49 Reducer \u51fd\u6570<\/li>\n<li>9.2.2 \u5c06 Reducer \u4e0e\u72b6\u6001\u5b57\u6bb5\u5173\u8054<\/li>\n<\/ul>\n<\/li>\n<li>9.3 Annotated \u7c7b\u578b\u6ce8\u89e3\u673a\u5236<\/li>\n<li>\n<ul>\n<li>9.3.1 Annotated \u7684\u57fa\u672c\u7528\u6cd5<\/li>\n<li>9.3.2 LangGraph \u5982\u4f55\u4f7f\u7528 Annotated<\/li>\n<\/ul>\n<\/li>\n<li>9.4 \u5185\u7f6e Reducer\uff1aoperator.add<\/li>\n<li>\n<ul>\n<li>9.4.1 operator.add \u7684\u884c\u4e3a<\/li>\n<li>9.4.2 \u4f7f\u7528 operator.add \u7684\u5b8c\u6574\u793a\u4f8b<\/li>\n<\/ul>\n<\/li>\n<li>9.5 \u5185\u7f6e Reducer\uff1aadd_messages<\/li>\n<li>\n<ul>\n<li>9.5.1 \u4e3a\u4ec0\u4e48\u9700\u8981 add_messages<\/li>\n<li>9.5.2 add_messages \u7684\u5408\u5e76\u903b\u8f91<\/li>\n<li>9.5.3 add_messages \u4f7f\u7528\u793a\u4f8b<\/li>\n<\/ul>\n<\/li>\n<li>9.6 \u9ed8\u8ba4\u8986\u76d6\u884c\u4e3a\uff08Last-Write-Wins\uff09<\/li>\n<li>\n<ul>\n<li>9.6.1 \u9ed8\u8ba4\u8986\u76d6\u793a\u4f8b<\/li>\n<li>9.6.2 \u4ec0\u4e48\u65f6\u5019\u4f7f\u7528\u9ed8\u8ba4\u8986\u76d6<\/li>\n<\/ul>\n<\/li>\n<li>9.7 Overwrite\uff1a\u7ed5\u8fc7 Reducer \u5f3a\u5236\u8986\u76d6<\/li>\n<li>\n<ul>\n<li>9.7.1 Overwrite \u7684\u4f5c\u7528<\/li>\n<li>9.7.2 Overwrite \u4f7f\u7528\u793a\u4f8b<\/li>\n<li>9.7.3 Overwrite \u7684\u4f7f\u7528\u573a\u666f<\/li>\n<\/ul>\n<\/li>\n<li>9.8 \u5e76\u884c\u66f4\u65b0\u51b2\u7a81\u5904\u7406<\/li>\n<li>\n<ul>\n<li>9.8.1 \u6709 Reducer \u7684\u5b57\u6bb5\uff1a\u5b89\u5168\u5408\u5e76<\/li>\n<li>9.8.2 \u65e0 Reducer \u7684\u5b57\u6bb5\uff1a\u53ef\u80fd\u51fa\u9519<\/li>\n<\/ul>\n<\/li>\n<li>9.9 \u672c\u7ae0\u5c0f\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c10\u7ae0 \u591a\u72b6\u6001 Schema \u9ad8\u7ea7\u7528\u6cd5<\/li>\n<li>\n<ul>\n<li>10.1 \u56db\u7c7b\u72b6\u6001\uff1a\u8f93\u5165\u3001\u8f93\u51fa\u3001\u5168\u5c40\u3001\u79c1\u6709<\/li>\n<li>\n<ul>\n<li>10.1.1 \u4e3a\u4ec0\u4e48\u9700\u8981\u591a Schema<\/li>\n<\/ul>\n<\/li>\n<li>10.2 \u72b6\u6001\u8bbe\u8ba1\u7684\u5de5\u7a0b\u89c4\u8303<\/li>\n<li>\n<ul>\n<li>10.2.1 \u89c4\u8303\u4e00\uff1a\u8f93\u5165\u548c\u8f93\u51fa\u72b6\u6001\u5e94\u8be5\u662f\u5168\u5c40\u72b6\u6001\u7684\u5b50\u96c6<\/li>\n<li>10.2.2 \u89c4\u8303\u4e8c\uff1a\u79c1\u6709\u72b6\u6001\u4e0e\u5168\u5c40\u72b6\u6001\u907f\u514d\u5b57\u6bb5\u91cd\u540d<\/li>\n<li>10.2.3 \u89c4\u8303\u4e09\uff1a\u8282\u70b9\u51fd\u6570\u5e94\u660e\u786e\u58f0\u660e\u5165\u53c2\u548c\u8fd4\u56de\u7c7b\u578b<\/li>\n<li>10.2.4 \u89c4\u8303\u56db\uff1a\u8282\u70b9\u4e0d\u5e94\u8bbf\u95ee\u5165\u53c2\u7c7b\u578b\u4e2d\u4e0d\u5b58\u5728\u7684\u5b57\u6bb5<\/li>\n<li>10.2.5 \u89c4\u8303\u4e94\uff1a\u8282\u70b9\u8fd4\u56de\u5b57\u5178\u5c3d\u91cf\u4e0e\u8fd4\u56de\u7c7b\u578b\u6ce8\u89e3\u4e00\u81f4<\/li>\n<\/ul>\n<\/li>\n<li>10.3 \u6e90\u7801\u5c42\u9762\u7684\u72b6\u6001\u8bb0\u5f55\u673a\u5236<\/li>\n<li>\n<ul>\n<li>10.3.1 \u72b6\u6001\u5b57\u6bb5\u7684\u8bb0\u5f55\u8fc7\u7a0b<\/li>\n<li>10.3.2 \u72b6\u6001\u7684\u88c1\u526a\u89c4\u5219<\/li>\n<\/ul>\n<\/li>\n<li>10.4 \u72b6\u6001\u88c1\u526a\u4e0e\u8bbf\u95ee\u63a7\u5236<\/li>\n<li>10.5 \u591a\u72b6\u6001 Schema \u5b8c\u6574\u6848\u4f8b<\/li>\n<li>10.6 \u6848\u4f8b\u6267\u884c\u8fc7\u7a0b\u6df1\u5ea6\u5206\u6790<\/li>\n<li>\n<ul>\n<li>\u6b65\u9aa41\uff1a\u56fe\u5165\u53e3\u2014\u2014\u8f93\u5165\u88c1\u526a<\/li>\n<li>\u6b65\u9aa42\uff1anode_1 \u6267\u884c<\/li>\n<li>\u6b65\u9aa43\uff1anode_2 \u6267\u884c<\/li>\n<li>\u6b65\u9aa44\uff1anode_3 \u6267\u884c<\/li>\n<li>\u6b65\u9aa45\uff1a\u56fe\u51fa\u53e3\u2014\u2014\u8f93\u51fa\u88c1\u526a<\/li>\n<\/ul>\n<\/li>\n<li>10.7 \u672c\u7ae0\u5c0f\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c11\u7ae0 \u9884\u5b9a\u4e49\u72b6\u6001\u7c7b\u578b<\/li>\n<li>\n<ul>\n<li>11.1 MessagesState\uff1a\u5bf9\u8bdd\u6d88\u606f\u72b6\u6001<\/li>\n<li>\n<ul>\n<li>11.1.1 MessagesState \u7684\u5b9a\u4e49<\/li>\n<li>11.1.2 \u4e3a\u4ec0\u4e48\u4f7f\u7528 MessagesState<\/li>\n<li>11.1.3 \u6269\u5c55 MessagesState<\/li>\n<\/ul>\n<\/li>\n<li>11.2 MessagesState \u4f7f\u7528\u6848\u4f8b<\/li>\n<li>\n<ul>\n<li>11.2.1 \u6267\u884c\u6d41\u7a0b\u5206\u6790<\/li>\n<li>11.2.2 \u591a\u8f6e\u5bf9\u8bdd\u6269\u5c55<\/li>\n<\/ul>\n<\/li>\n<li>11.3 AgentState\uff1aLangChain Agent \u72b6\u6001<\/li>\n<li>\n<ul>\n<li>11.3.1 AgentState \u7684\u5b9a\u4e49<\/li>\n<li>11.3.2 \u4f55\u65f6\u4f7f\u7528 AgentState<\/li>\n<\/ul>\n<\/li>\n<li>11.4 \u81ea\u5b9a\u4e49\u9884\u5b9a\u4e49\u72b6\u6001\u6269\u5c55<\/li>\n<li>11.5 \u672c\u7ae0\u5c0f\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c12\u7ae0 \u57fa\u7840\u63a7\u5236\u6d41\uff1a\u987a\u5e8f\u6267\u884c<\/li>\n<li>\n<ul>\n<li>12.1 add_edge\uff1a\u57fa\u7840\u8fb9\u7684\u4f7f\u7528<\/li>\n<li>\n<ul>\n<li>12.1.1 \u57fa\u672c\u7528\u6cd5<\/li>\n<li>12.1.2 add_edge \u7684\u672c\u8d28<\/li>\n<\/ul>\n<\/li>\n<li>12.2 add_sequence\uff1a\u5feb\u901f\u6784\u5efa\u987a\u5e8f\u8282\u70b9<\/li>\n<li>\n<ul>\n<li>12.2.1 add_sequence \u7684\u7528\u6cd5<\/li>\n<li>12.2.2 add_sequence \u5b8c\u6574\u793a\u4f8b<\/li>\n<\/ul>\n<\/li>\n<li>12.3 \u5173\u4e8e END \u8fb9\u7684\u7701\u7565\u95ee\u9898<\/li>\n<li>\n<ul>\n<li>12.3.1 END \u4e0d\u662f\u771f\u5b9e\u8282\u70b9<\/li>\n<li>12.3.2 \u53ef\u4ee5\u7701\u7565 END \u8fb9\u7684\u60c5\u51b5<\/li>\n<li>12.3.3 \u4e3a\u4ec0\u4e48\u5efa\u8bae\u663e\u5f0f\u6dfb\u52a0 END \u8fb9<\/li>\n<\/ul>\n<\/li>\n<li>12.4 START \u5165\u53e3\u70b9\u7684\u5fc5\u8981\u6027<\/li>\n<li>\n<ul>\n<li>12.4.1 \u4e3a\u4ec0\u4e48 START \u662f\u5fc5\u987b\u7684<\/li>\n<li>12.4.2 START \u7684\u7075\u6d3b\u6027<\/li>\n<\/ul>\n<\/li>\n<li>12.5 \u987a\u5e8f\u6267\u884c\u5b8c\u6574\u6848\u4f8b<\/li>\n<li>12.6 \u672c\u7ae0\u5c0f\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>\u7b2c13\u7ae0 \u57fa\u7840\u63a7\u5236\u6d41\uff1a\u5206\u652f\u4e0e\u5e76\u884c<\/li>\n<li>\n<ul>\n<li>13.1 \u9759\u6001\u5206\u652f vs \u52a8\u6001\u5206\u652f<\/li>\n<li>13.2 \u5e76\u884c\u8282\u70b9\uff1a\u540c\u65f6\u89e6\u53d1\u591a\u4e2a\u8282\u70b9<\/li>\n<li>\n<ul>\n<li>13.2.1 \u57fa\u672c\u5e76\u884c<\/li>\n<li>13.2.2 \u5e76\u884c\u7684\u6ce8\u610f\u4e8b\u9879<\/li>\n<\/ul>\n<\/li>\n<li>13.3 add_conditional_edges\uff1a\u6761\u4ef6\u8fb9 API<\/li>\n<li>\n<ul>\n<li>13.3.1 API \u7b7e\u540d<\/li>\n<li>13.3.2 \u8def\u7531\u51fd\u6570\u7684\u8fd4\u56de\u503c<\/li>\n<\/ul>\n<\/li>\n<li>13.4 \u4e0d\u4f7f\u7528 path_map \u7684\u6761\u4ef6\u8def\u7531<\/li>\n<li>13.5 \u4f7f\u7528 path_map \u7684\u8bed\u4e49\u5316\u8def\u7531<\/li>\n<li>13.6 \u6761\u4ef6\u5165\u53e3\u70b9\uff1a\u4ece START \u5f00\u59cb\u5206\u652f<\/li>\n<li>13.7 \u591a\u76ee\u6807\u5206\u652f\uff1a\u540c\u65f6\u8df3\u8f6c\u5230\u591a\u4e2a\u8282\u70b9<\/li>\n<li>\n<ul>\n<li>13.7.1 \u591a\u76ee\u6807\u8def\u7531\u793a\u4f8b<\/li>\n<li>13.7.2 \u6247\u5165\uff08Fan-in\uff09\uff1a\u7b49\u5f85\u6240\u6709\u5e76\u884c\u5206\u652f\u5b8c\u6210<\/li>\n<\/ul>\n<\/li>\n<li>13.8 \u52a8\u6001\u6247\u51fa\uff1aSend API<\/li>\n<li>\n<ul>\n<li>13.8.1 Send \u7684\u6784\u9020<\/li>\n<li>13.8.2 \u52a8\u6001\u6247\u51fa\u793a\u4f8b\uff1a\u4e3a\u6bcf\u4e2a\u4e3b\u9898\u751f\u6210\u5185\u5bb9<\/li>\n<li>13.8.3 MapReduce \u6a21\u5f0f<\/li>\n<\/ul>\n<\/li>\n<li>13.9 \u52a8\u6001\u8df3\u8f6c\uff1aCommand(goto=&#8230;)<\/li>\n<li>\n<ul>\n<li>13.9.1 Command \u7b80\u4ecb<\/li>\n<li>13.9.2 Command \u5b9e\u73b0\u6761\u4ef6\u5206\u652f<\/li>\n<li>13.9.3 add_conditional_edges vs Command(goto=&#8230;)<\/li>\n<\/ul>\n<\/li>\n<li>13.10 \u5206\u652f\u4e0e\u5e76\u884c\u603b\u7ed3<\/li>\n<li>13.11 \u672c\u7ae0\u5c0f\u7ed3<\/li>\n<\/ul>\n<\/li>\n<li>\u603b\u7ed3\u4e0e\u8fdb\u9636\u5c55\u671b<\/li>\n<li>\n<ul>\n<li>\u77e5\u8bc6\u56de\u987e<\/li>\n<li>\n<ul>\n<li>1. \u73af\u5883\u4e0e\u5b9a\u4f4d<\/li>\n<li>2. \u5e95\u5c42\u539f\u7406<\/li>\n<li>3. \u6838\u5fc3\u4e09\u8981\u7d20<\/li>\n<li>4. API \u98ce\u683c<\/li>\n<li>5. \u7b2c\u4e00\u4e2a\u7a0b\u5e8f<\/li>\n<li>6. \u53ef\u89c6\u5316<\/li>\n<li>7. \u72b6\u6001\u7ba1\u7406<\/li>\n<li>8. Reducer \u673a\u5236<\/li>\n<li>9. \u591a Schema<\/li>\n<li>10. \u9884\u5b9a\u4e49\u72b6\u6001<\/li>\n<li>11. \u63a7\u5236\u6d41<\/li>\n<\/ul>\n<\/li>\n<li>\u4f60\u73b0\u5728\u80fd\u505a\u4ec0\u4e48<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u7b2c1\u7ae0 \u5f00\u53d1\u73af\u5883\u914d\u7f6e<\/h3>\n<p>\u5de5\u6b32\u5584\u5176\u4e8b\uff0c\u5fc5\u5148\u5229\u5176\u5668\u3002\u5728\u5f00\u59cb\u5b66\u4e60 LangGraph \u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5148\u642d\u5efa\u4e00\u5957\u5b8c\u6574\u3001\u7a33\u5b9a\u7684\u5f00\u53d1\u73af\u5883\u3002\u672c\u7ae0\u5c06\u4ece\u96f6\u5f00\u59cb\uff0c\u4e00\u6b65\u6b65\u5e26\u4f60\u5b8c\u6210\u6240\u6709\u73af\u5883\u914d\u7f6e\u5de5\u4f5c\u3002<\/p>\n<h4>1.1 Miniconda \u5b89\u88c5\u4e0e\u914d\u7f6e<\/h4>\n<p>Conda \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5305\u7ba1\u7406\u548c\u73af\u5883\u7ba1\u7406\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u521b\u5efa\u9694\u79bb\u7684 Python \u73af\u5883\uff0c\u907f\u514d\u4e0d\u540c\u9879\u76ee\u4e4b\u95f4\u7684\u4f9d\u8d56\u51b2\u7a81\u3002Miniconda \u662f Conda \u7684\u7cbe\u7b80\u7248\u672c\uff0c\u53ea\u5305\u542b\u6700\u57fa\u672c\u7684\u7ec4\u4ef6\uff0c\u4f53\u79ef\u5c0f\u3001\u5b89\u88c5\u5feb\uff0c\u662f\u5b66\u4e60\u548c\u5f00\u53d1\u7684\u63a8\u8350\u9009\u62e9\u3002<\/p>\n<h5>1.1.1 \u4e0b\u8f7d Miniconda<\/h5>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4ece\u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7d Miniconda \u5b89\u88c5\u5305\uff1a<\/p>\n<p>\u5b98\u65b9\u4e0b\u8f7d\u5730\u5740\uff1ahttps:\/\/docs.anaconda.com\/miniconda\/<\/p>\n<p>\u6839\u636e\u4f60\u7684\u64cd\u4f5c\u7cfb\u7edf\u9009\u62e9\u5bf9\u5e94\u7684\u5b89\u88c5\u5305\uff1a<\/p>\n<table>\n<tr>\n   \u64cd\u4f5c\u7cfb\u7edf<br \/>\n   \u63a8\u8350\u5b89\u88c5\u5305<br \/>\n  <\/tr>\n<tbody>\n<tr>\n<td>Windows<\/td>\n<td>Miniconda3 Windows 64-bit\uff08.exe \u5b89\u88c5\u5305\uff09<\/td>\n<\/tr>\n<tr>\n<td>macOS\uff08Apple \u82af\u7247\uff09<\/td>\n<td>Miniconda3 macOS Apple M1 64-bit<\/td>\n<\/tr>\n<tr>\n  <\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55 \u7b2c1\u7ae0 \u5f00\u53d1\u73af\u5883\u914d\u7f6e 1.1 Miniconda \u5b89\u88c5\u4e0e\u914d\u7f6e 1.1.1 \u4e0b\u8f7d Miniconda 1.1.2 Windows \u7cfb\u7edf\u5b89\u88c5\u6b65\u9aa4 1.1.3 macOS \u7cfb\u7edf\u5b89\u88c5\u6b65\u9aa4 1.1.4 Linux \u7cfb\u7edf\u5b89\u88c5\u6b65\u9aa4 1.2 Conda \u865a\u62df\u73af\u5883\u7ba1\u7406 1.2.1 Conda \u5e38\u7528\u547d\u4ee4\u901f\u67e5\u8868 1.2.2 \u521b\u5efa\u8bfe\u7a0b\u4e13\u7528\u73af\u5883 1.2.3 \u6fc0\u6d3b\u865a\u62df\u73af\u5883 1.2.4 \u914d\u7f6e pip \u56fd\u5185\u955c\u50cf\u6e90\uff08\u4e2d\u56fd\u5927\u9646\u7528\u6237\u63a8\u8350\uff09 1.3 PyCharm IDE \u5b89\u88c5\u4e0e\u9879\u76ee\u521b\u5efa 1.3.1 \u4e0b\u8f7d<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10096,71,997,3503,81],"topic":[],"class_list":["post-88991","post","type-post","status-publish","format-standard","hentry","category-server","tag-10096","tag-ai-agent","tag-langchain","tag-langgraph","tag-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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