{"id":170,"date":"2025-04-22T21:52:04","date_gmt":"2025-04-22T13:52:04","guid":{"rendered":"http:\/\/sspacee.com\/?p=170"},"modified":"2025-04-22T21:52:24","modified_gmt":"2025-04-22T13:52:24","slug":"%e9%9b%b6%e5%9f%ba%e7%a1%80%e6%89%8b%e6%8a%8a%e6%89%8b%e5%a4%a7%e6%a8%a1%e5%9e%8b%e5%ba%94%e7%94%a8%e5%bc%80%e5%8f%91%e4%b9%8blanggraph%e6%95%99%e7%a8%8b%ef%bc%88%e4%b8%80%ef%bc%89%ef%bc%9a%e4%bb%80","status":"publish","type":"post","link":"http:\/\/sspacee.com\/?p=170","title":{"rendered":"\u96f6\u57fa\u7840\u624b\u628a\u624b\u5927\u6a21\u578b\u5e94\u7528\u5f00\u53d1\u4e4bLangGraph\u6559\u7a0b\uff08\u4e00\uff09\uff1a\u4ec0\u4e48\u662fLangGraph\uff1f\u4e0eLangChain\u7684\u533a\u522b\uff1f\u3010\u9644\u8be6\u7ec6\u4ee3\u7801\u3011"},"content":{"rendered":"\n

\u968f\u7740\u4eba\u5de5\u667a\u80fd\u548c\u81ea\u7136\u8bed\u8a00\u5904\u7406\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6784\u5efa\u66f4\u590d\u6742\u548c\u52a8\u6001\u7684\u8ba1\u7b97\u6a21\u578b\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002LangGraph\u5e94\u8fd0\u800c\u751f\uff0c\u901a\u8fc7\u6269\u5c55LangChain\u7684\u529f\u80fd\uff0c\u4e3a\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u5e94\u7528\u6dfb\u52a0\u4e86\u5faa\u73af\u8ba1\u7b97\u80fd\u529b\u3002\u5373\u5927\u6a21\u578b\u4e0d\u518d\u53ea\u662f\u7aef\u5230\u7aef\u7684\u63a8\u7406\uff0c\u800c\u662f\u80fd\u6839\u636e\u4e1a\u52a1\u903b\u8f91\u4ee5\u53ca\u4e0a\u4e00\u6b21\u63a8\u7406\u7684\u53cd\u9988\uff0c\u51b3\u7b56\u4e0b\u4e00\u6b21\u63a8\u7406\u3002<\/p>\n\n\n\n

\n

\u672c\u8282\u6559\u7a0b\u4ee3\u7801\u4ed3\u5e93\uff1ahttps:\/\/github.com\/tangyipeng100\/LangGraph_tutorial\/blob\/master\/LangGraph_Tutorial_lesson_1.ipynb<\/a>
\u5b8c\u6574\u6559\u7a0b\u4ee3\u7801\uff1ahttps:\/\/github.com\/tangyipeng100\/LangGraph_tutorial\/tree\/master<\/a><\/p>\n<\/blockquote>\n\n\n\n

<\/a>1.\u4ec0\u4e48\u662fLangGraph\uff1f<\/h4>\n\n\n\n

\u9996\u5148\u4e00\u53e5\u8bdd\u6982\u62ecLangGraph\uff1a\u53ef\u4ee5\u5b9e\u73b0\u57fa\u4e8eLLM\u667a\u80fd\u52a9\u624b\uff08LLM Agent\uff09\u7684\u795e\u4ed9\u6846\u67b6\uff01<\/p>\n\n\n\n

LangGraph\u662f\u5728LLM\u548cLangChain\u7684\u57fa\u7840\u4e4b\u4e0a\u53d1\u5c55\u800c\u6765\uff0cLangGraph\u5e93\u672c\u8eab\u57fa\u4e8eLangChain\u5e93\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002\u5982\u679c\u4ec5\u4f7f\u7528LLM\uff0c\u4e00\u822c\u7528\u4e8e\u5b9e\u73b0\u65e0\u5916\u90e8\u5de5\u5177\u3001\u65e0\u53cd\u9988\u7684<\/strong>\u95ee\u7b54\u4efb\u52a1\uff1b\u57fa\u4e8eLangChain\uff0c\u5219\u53ef\u5b9e\u73b0\u4f9d\u8d56\u5916\u90e8\u5de5\u5177\u6216\u5916\u90e8\u6570\u636e\u5e93<\/strong>\u7684\u95ee\u7b54\u4efb\u52a1\uff1b\u57fa\u4e8eLangGraph\uff0c\u5219\u53ef\u4ee5\u5b9e\u73b0\u53ef\u5b9e\u73b0\u4f9d\u8d56\u5916\u90e8\u5de5\u5177\u6216\u5916\u90e8\u6570\u636e\u5e93\u4e14\u6709\u53cd\u9988<\/strong>\u7684\u95ee\u7b54\u4efb\u52a1\u3002\u5982\u4e0b\u56fe\u7684\u4f8b\u5b50\uff0c\u7528\u6237\u5e0c\u671b\u64b0\u5199\u4e00\u4e2a\u6587\u6848\uff0c\u5982\u679c\u53ea\u7528LLM\uff0c\u5219\u7ed9\u51faLLM\u4e00\u4e2a\u6307\u4ee4\uff0c\u8ba9\u5176\u53cd\u9988\u5199\u597d\u7684\u6587\u6848\uff1b\u5982\u679c\u57fa\u4e8eLangChain\uff0c\u5219\u53ef\u5728\u8c03\u7528\u641c\u7d22\u5f15\u64ce\u83b7\u5f97\u68c0\u7d22\u77e5\u8bc6\u7684\u57fa\u7840\u4e0a\uff0c\u64b0\u5199\u6587\u6848\uff1b\u5982\u679c\u57fa\u4e8eLangGraph\uff0c\u5219\u53ef\u4ee5\u5b9e\u73b0\u5728LangChain\u7684\u57fa\u7840\u4e0a\uff0c\u5bf9\u68c0\u7d22\u7684\u77e5\u8bc6\u548c\u64b0\u5199\u7684\u6587\u6848\u5185\u5bb9\u8fdb\u884c\u7b5b\u9009\u3001\u5224\u522b\u3001\u4fee\u6b63\uff0c\u6700\u540e\u8f93\u51fa\u9700\u8981\u7684\u6587\u6848\u3002\u7406\u8bba\u4e0a\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u7a0b\u5e8f\u8bbe\u8ba1\uff0c\u5728\u5df2\u6709LLM\u7684\u57fa\u7840\u4e0a\u5b9e\u73b0\u7c7b\u4f3cLangGraph\u63d0\u4f9b\u7684\u529f\u80fd\uff0c\u4f46\u8fd9\u6837\u6bcf\u4e2a\u529f\u80fd\u90fd\u9700\u8981\u91cd\u65b0\u8bbe\u8ba1\u4e00\u5957\u67b6\u6784\u3002LangGraph\u5219\u5c06\u8fd9\u6837\u7684\u529f\u80fd\u505a\u4e86\u6a21\u5757\u5316\u548c\u96c6\u6210\uff0c\u53ef\u52a0\u901f\u57fa\u4e8eLLM\u9879\u76ee\u7684\u843d\u5730\u3002<\/p>\n\n\n\n

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/<\/figure>\n\n\n\n

<\/a>2.\u6ca1\u6709\u7b97\u529b\uff0c\u4e0d\u61c2LLM\uff0c\u4e0d\u61c2LangChain\uff0c\u53ef\u4e0d\u53ef\u4ee5\u5b66LangGraph\uff1f<\/h4>\n\n\n\n

\u5b8c\u5168\u53ef\u4ee5\u3002\u4f7f\u7528LangGraph\u5f00\u53d1\u7684LLM\u9879\u76ee\uff0c\u65e0\u9700\u5bf9LLM\u8fdb\u884c\u8bad\u7ec3\u3001\u5fae\u8c03\u7b49\uff0c\u53ef\u4ee5\u5b8c\u5168\u5c06LLM\u770b\u4f5c\u4e00\u4e2a\u9ed1\u76d2\uff0c\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u4e00\u822c\u53ea\u662f\u8c03\u7528LLM\u8fdb\u884c\u6587\u672c\u8f93\u5165\u8f93\u51fa\uff0c\u5927\u591a\u6570\u901a\u8fc7API\u5b9e\u73b0<\/strong>\uff0c\u5bf9\u672c\u5730\u7b97\u529b\u57fa\u672c\u65e0\u4efb\u4f55\u8981\u6c42<\/strong>\uff08\u80fd\u8dd1\u901a\u4e00\u4e2apython for\u5faa\u73af\u7684\u7535\u8111\u5373\u53ef\uff0c\u4e5f\u53ef\u4f7f\u7528\u4e91\u4ee3\u7801\u7f16\u8f91\u5668\u5b9e\u73b0\uff0c\u540e\u9762\u7684\u8bfe\u7a0b\u4f1a\u9010\u6b65\u63d0\u4f9b\uff09\u3002<\/p>\n\n\n\n

\u81f3\u4e8eLangChain\uff0c\u5b9e\u9645\u5c31\u662fLangGraph\u7684\u4e00\u90e8\u5206\uff0c\u56e0\u6b64\u5728\u5b66\u4e60LangGraph\u7684\u8fc7\u7a0b\u4e2d\u4f1a\u9010\u6b65\u5b66\u4e60LangChain\u7684\u4f7f\u7528\u3002\u5e76\u4e14LangGraph\u662f\u6bd4LangChain\u66f4\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u662f\u5b8c\u5168\u53ef\u4ee5\u5411\u4e0b\u517c\u5bb9\u7684\uff01<\/p>\n\n\n\n

<\/a>3.\u6838\u5fc3\u6982\u5ff5<\/h4>\n\n\n\n
<\/a>3.1. \u72b6\u6001\u56fe<\/h5>\n\n\n\n

LangGraph\u7684\u6838\u5fc3\u662f\u72b6\u6001\u56fe\u3002\u56fe\u4e2d\u7684\u6bcf\u4e2a\u8282\u70b9\u4ee3\u8868\u8ba1\u7b97\u7684\u4e00\u4e2a\u6b65\u9aa4\uff0c\u6574\u4e2a\u56fe\u7ef4\u62a4\u4e00\u4e2a\u72b6\u6001\uff0c\u968f\u7740\u8ba1\u7b97\u7684\u8fdb\u884c\u4e0d\u65ad\u4f20\u9012\u548c\u66f4\u65b0\u3002\u8fd9\u6837\u7684\u72b6\u6001\u56fe\u4f7f\u5f97\u8ba1\u7b97\u6a21\u578b\u66f4\u5177\u52a8\u6001\u6027\u548c\u7075\u6d3b\u6027\u3002<\/p>\n\n\n\n

<\/a>3.2. \u8282\u70b9<\/h5>\n\n\n\n

\u8282\u70b9\u662fLangGraph\u7684\u57fa\u672c\u6784\u5efa\u5757\uff0c\u6bcf\u4e2a\u8282\u70b9\u4ee3\u8868\u4e00\u4e2a\u7279\u5b9a\u7684\u529f\u80fd\u6216\u8ba1\u7b97\u6b65\u9aa4\uff0c\u5982\u5904\u7406\u8f93\u5165\u3001\u505a\u51fa\u51b3\u7b56\u6216\u4e0e\u5916\u90e8API\u4ea4\u4e92\u3002\u901a\u8fc7\u5b9a\u4e49\u4e0d\u540c\u4efb\u52a1\u7684\u8282\u70b9\uff0c\u53ef\u4ee5\u521b\u5efa\u6a21\u5757\u5316\u548c\u53ef\u91cd\u7528\u7684\u56fe\u3002<\/p>\n\n\n\n

<\/a>3.3. \u8fb9<\/h5>\n\n\n\n

\u8fb9\u8fde\u63a5\u56fe\u4e2d\u7684\u8282\u70b9\uff0c\u5b9a\u4e49\u8ba1\u7b97\u7684\u6d41\u7a0b\u3002LangGraph\u652f\u6301\u6761\u4ef6\u8fb9\uff0c\u5141\u8bb8\u6839\u636e\u56fe\u7684\u5f53\u524d\u72b6\u6001\u52a8\u6001\u51b3\u5b9a\u4e0b\u4e00\u4e2a\u6267\u884c\u7684\u8282\u70b9\u3002\u8fd9\u79cd\u6761\u4ef6\u8fb9\u4e3a\u6784\u5efa\u590d\u6742\u5e94\u7528\u63d0\u4f9b\u4e86\u5fc5\u8981\u7684\u7075\u6d3b\u6027\u548c\u9002\u5e94\u6027\u3002<\/p>\n\n\n\n

<\/a>4.LangGraph\u4e0eLangChain\u7684\u533a\u522b<\/h4>\n\n\n\n

\u672c\u5c0f\u8282\u4ece\u6846\u67b6\u67b6\u6784\u7684\u89d2\u5ea6\u8fdb\u4e00\u6b65\u4ecb\u7ecdLangGraph\u4e0eLangChain\u7684\u533a\u522b\u3002<\/p>\n\n\n\n

<\/a>4.1. \u5faa\u73af\u8ba1\u7b97<\/h5>\n\n\n\n

LangChain\u9002\u7528\u4e8e\u521b\u5efa\u7ebf\u6027\u65e0\u73af\u56fe\uff0c\u9002\u5408\u7b80\u5355\u5e94\u7528\u3002\u800cLangGraph\u5f15\u5165\u4e86\u5faa\u73af\u8ba1\u7b97\uff0c\u5141\u8bb8\u8282\u70b9\u6839\u636e\u56fe\u7684\u72b6\u6001\u88ab\u591a\u6b21\u8bbf\u95ee\uff0c\u8fd9\u5bf9\u9700\u8981\u8fed\u4ee3\u5904\u7406\u3001\u53cd\u9988\u5faa\u73af\u548c\u590d\u6742\u51b3\u7b56\u7684\u5e94\u7528\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n

<\/a>4.2. \u72b6\u6001\u6267\u884c<\/h5>\n\n\n\n

LangChain\u7684\u8ba1\u7b97\u6d41\u7a0b\u901a\u5e38\u662f\u65e0\u72b6\u6001\u7684\uff0c\u5404\u6b65\u9aa4\u76f8\u4e92\u72ec\u7acb\u3002LangGraph\u7684\u72b6\u6001\u6267\u884c\u6a21\u578b\u5219\u4e0d\u65ad\u66f4\u65b0\u548c\u4f20\u9012\u72b6\u6001\uff0c\u4f7f\u8ba1\u7b97\u66f4\u52a0\u4e0a\u4e0b\u6587\u611f\u77e5\u548c\u9002\u5e94\u6027\u5f3a\uff0c\u7279\u522b\u9002\u5408\u9700\u8981\u6301\u7eed\u4e0a\u4e0b\u6587\u7684\u4efb\u52a1\uff0c\u5982\u5bf9\u8bdd\u7ba1\u7406\u548c\u591a\u8f6e\u4ea4\u4e92\u3002<\/p>\n\n\n\n

<\/a>4.3. \u6761\u4ef6\u903b\u8f91<\/h5>\n\n\n\n

LangChain\u652f\u6301\u7ebf\u6027\u94fe\uff0c\u800cLangGraph\u901a\u8fc7\u6761\u4ef6\u8fb9\u589e\u5f3a\u4e86\u8fd9\u4e00\u529f\u80fd\u3002\u6761\u4ef6\u8fb9\u5141\u8bb8\u56fe\u6839\u636e\u5f53\u524d\u72b6\u6001\u6539\u53d8\u6267\u884c\u8def\u5f84\uff0c\u5b9e\u73b0\u590d\u6742\u7684\u5206\u652f\u903b\u8f91\u548c\u52a8\u6001\u51b3\u7b56\uff0c\u8fd9\u5bf9\u4e8e\u5b9e\u65f6\u54cd\u5e94\u4e0d\u540c\u8f93\u5165\u548c\u72b6\u6001\u7684\u5e94\u7528\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n

<\/a>5.\u4ee3\u7801\u793a\u4f8b<\/h4>\n\n\n\n

\u4e3a\u4e86\u521d\u6b65\u4e0a\u624b LangGraph\uff0c\u6b64\u5904\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u57fa\u4e8eLangGraph\u7684\u5e94\u7528\u3002\u8fd9\u4e2a\u5e76\u9010\u6b65\u5206\u6790\u6bcf\u4e00\u884c\u4ee3\u7801\u3002<\/p>\n\n\n\n

\u914d\u7f6e\u73af\u5883<\/strong>\uff08python\u73af\u5883\u5efa\u8bae\u5927\u4e8e3.8\uff09<\/p>\n\n\n\n

pip install dashscope langchain langgraph\npip install langchain-community langchain-core\npip install httpx\n<\/code><\/pre>\n\n\n\n
\u521d\u59cb\u5316\u6a21\u578b\u548c MessageGraph<\/code><\/strong><\/p>\n\n\n\n
from langchain_community.llms import Tongyi\nfrom langchain_core.messages import HumanMessage\nfrom langgraph.graph import END, MessageGraph\nimport os\nos.environ[\"DASHSCOPE_API_KEY\"] = 'sk-2c6b041cb04c44f9a0787015c7a472e8'#\u4e3a\u4e86\u4fbf\u4e8e\u8c03\u8bd5\uff0c\u8fd9\u513f\u63d0\u4f9b\u4e86\u901a\u4e49\u5343\u95ee\u6a21\u578b\u7684API key\uff0c\u5927\u5bb6\u53ef\u4ee5\u66ff\u6362\u6210\u81ea\u5df1\u7684key<\/em>\n\nmodel = Tongyi()\ngraph = MessageGraph()\n<\/code><\/pre>\n\n\n\n
\u9996\u5148\uff0c\u6211\u4eec\u5bfc\u5165\u5fc5\u8981\u7684\u5e93\u548c\u6a21\u5757\uff0c\u5e76\u8bbe\u7f6e API \u5bc6\u94a5\u3002\u4e3a\u65b9\u4fbf\u8c03\u8bd5\uff0c\u6b64\u5904\u8c03\u7528\u963f\u91ccdashscope\u63d0\u4f9b\u7684qwen-plus\u6a21\u578b\uff0c\u83b7\u53d6qwen-plus api-key\u53ef\u8bbf\u95ee\u6b64\uff08\u652f\u4ed8\u5b9d\u626b\u7801\u83b7\u5f97\u4e0a\u8ff0\u4ee3\u7801\u683c\u5f0fkey\u5373\u53ef\uff09<\/a>\u3002\u7136\u540e\uff0c\u521d\u59cb\u5316\u4e86 Tongyi<\/code> \u6a21\u578b\u548c\u4e00\u4e2a MessageGraph<\/code> \u5b9e\u4f8b\u3002MessageGraph<\/code> \u662f\u6211\u4eec\u5c06\u8981\u6784\u5efa\u7684\u8ba1\u7b97\u56fe\u3002<\/p>\n\n\n\n
\u6dfb\u52a0\u8282\u70b9<\/strong><\/p>\n\n\n\n
graph.add_node(\"oracle\", model)\n<\/code><\/pre>\n\n\n\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5411\u56fe\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u540d\u4e3a \"oracle\"<\/code> \u7684\u8282\u70b9\uff0c\u8fd9\u4e2a\u8282\u70b9\u4f1a\u8c03\u7528\u6a21\u578b\u5904\u7406\u7ed9\u5b9a\u7684\u8f93\u5165\u3002add_node<\/code> \u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u8282\u70b9\u7684\u540d\u79f0\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u8be5\u8282\u70b9\u6267\u884c\u7684\u5177\u4f53\u64cd\u4f5c\uff0c\u8fd9\u91cc\u662f\u8c03\u7528 Tongyi<\/code> \u6a21\u578b\u3002<\/p>\n\n\n\n
\u6dfb\u52a0\u8fb9<\/strong><\/p>\n\n\n\n
graph.add_edge(\"oracle\", END)\n<\/code><\/pre>\n\n\n\n
\u6211\u4eec\u6dfb\u52a0\u4e86\u4e00\u6761\u4ece \"oracle\"<\/code> \u8282\u70b9\u5230\u7279\u6b8a\u5b57\u7b26\u4e32 END<\/code> (\"__end__\"<\/code>) \u7684\u8fb9\u3002\u8fd9\u610f\u5473\u7740\u5728 \"oracle\"<\/code> \u8282\u70b9\u6267\u884c\u5b8c\u6bd5\u540e\uff0c\u8ba1\u7b97\u5c06\u7ed3\u675f\u3002<\/p>\n\n\n\n
\u8bbe\u7f6e\u5165\u53e3\u70b9<\/strong><\/p>\n\n\n\n
graph.set_entry_point(\"oracle\")\n<\/code><\/pre>\n\n\n\n
\u6211\u4eec\u5c06 \"oracle\"<\/code> \u8282\u70b9\u8bbe\u7f6e\u4e3a\u56fe\u7684\u5165\u53e3\u70b9\uff0c\u8fd9\u610f\u5473\u7740\u8ba1\u7b97\u5c06\u4ece\u8fd9\u4e2a\u8282\u70b9\u5f00\u59cb\u3002<\/p>\n\n\n\n
\u7f16\u8bd1\u56fe\u5e76\u8f93\u51fa<\/strong><\/p>\n\n\n\n
runnable = graph.compile()\nprint(runnable.invoke(HumanMessage(\"What is 1 + 1?\")))#\u8f93\u51fa\uff1a[HumanMessage(content='What is 1 + 1?', id='3adc686d-dac0-43cb-9022-4c8644e61866'), HumanMessage(content='1 + 1 is equal to 2.', id='1d2affcc-b157-48f7-a621-eabd3bf97270')]<\/em>\n<\/code><\/pre>\n\n\n\n
\u5f53\u6211\u4eec\u6267\u884cLangGraph\u7a0b\u5e8f\u65f6\uff1a<\/p>\n\n\n\n
    \n
  1. LangGraph \u5c06\u8f93\u5165\u6d88\u606f\u6dfb\u52a0\u5230\u5185\u90e8\u72b6\u6001\uff0c\u7136\u540e\u5c06\u72b6\u6001\u4f20\u9012\u7ed9\u5165\u53e3\u8282\u70b9\u00a0\"oracle\"<\/code>\u3002<\/li>\n\n\n\n
  2. \"oracle\"<\/code>\u00a0\u8282\u70b9\u6267\u884c\uff0c\u8c03\u7528\u804a\u5929\u6a21\u578b\u3002<\/li>\n\n\n\n
  3. \u804a\u5929\u6a21\u578b\u8fd4\u56de\u4e00\u4e2a\u00a0AIMessage<\/code>\u3002LangGraph \u5c06\u5176\u6dfb\u52a0\u5230\u72b6\u6001\u4e2d\u3002<\/li>\n\n\n\n
  4. \u6267\u884c\u8fdb\u5c55\u5230\u7279\u6b8a\u7684\u00a0END<\/code>\u00a0\u503c\u5e76\u8f93\u51fa\u6700\u7ec8\u72b6\u6001\u3002<\/li>\n<\/ol>\n\n\n\n
    \u4ee5\u4e0b\u662f\u5b8c\u6574\u7684\u4ee3\u7801\uff1a<\/p>\n\n\n\n
    from langchain_community.llms import Tongyi\nfrom langchain_core.messages import HumanMessage\nfrom langgraph.graph import END, MessageGraph\nimport os\nos.environ[\"DASHSCOPE_API_KEY\"] = 'sk-2c6b041cb04c44f9a0787015c7a472e8'\n\nmodel = Tongyi()\n\ngraph = MessageGraph()\n\ngraph.add_node(\"oracle\", model)\ngraph.add_edge(\"oracle\", END)\n\ngraph.set_entry_point(\"oracle\")\n\nrunnable = graph.compile()\nprint(runnable.invoke(HumanMessage(\"What is 1 + 1?\")))\n#\u8f93\u51fa\uff1a[HumanMessage(content='What is 1 + 1?', id='3adc686d-dac0-43cb-9022-4c8644e61866'), HumanMessage(content='1 + 1 is equal to 2.', id='1d2affcc-b157-48f7-a621-eabd3bf97270')]<\/em>\n<\/code><\/pre>\n\n\n\n
    \u6267\u884c\u4e0a\u8ff0\u4ee3\u7801\u540e\uff0c\u6211\u4eec\u5c06\u83b7\u5f97\u4e24\u4e2a\u804a\u5929\u6d88\u606f\u7684\u8f93\u51fa\u5217\u8868\u3002\u8fd9\u4e2aLangGraph\u5e94\u7528\u770b\u8d77\u6765\u5b9e\u73b0\u7684\u529f\u80fd\u548c\u4e00\u4e2a\u7b80\u5355\u7684LLM\u6ca1\u4ec0\u4e48\u533a\u522b\uff0c\u4f46\u4e0d\u8981\u7740\u6025\uff0c\u672c\u8282\u53ea\u662f\u8ba9\u5927\u5bb6\u5148\u628aLangGraph\u8dd1\u8d77\u6765\uff0c\u60f3\u4f53\u9a8c\u5b83\u7684\u5f3a\u5927\u529f\u80fd\uff0c\u5728\u540e\u7eed\u7684\u7ae0\u8282\u6211\u4eec\u4f1a\u63d0\u4f9b\u66f4\u591aLangGraph\u9879\u76ee\u4f8b\u5b50\uff0c\u4e00\u8d77\u4f53\u9a8cLangGraph\u7684\u5f3a\u5927\u5427\uff01<\/p>\n\n\n\n
    <\/a>6.\u7ed3\u8bba<\/h4>\n\n\n\n
    LangGraph\u901a\u8fc7\u6269\u5c55LangChain\u7684\u529f\u80fd\uff0c\u5f15\u5165\u5faa\u73af\u8ba1\u7b97\u548c\u72b6\u6001\u6267\u884c\uff0c\u663e\u8457\u63d0\u5347\u4e86LLM\u5e94\u7528\u7684\u80fd\u529b\u3002\u65e0\u8bba\u662f\u5f00\u53d1\u4ea4\u4e92\u5f0f\u4ee3\u7406\u3001\u590d\u6742\u51b3\u7b56\u7cfb\u7edf\u8fd8\u662f\u8fed\u4ee3\u5904\u7406\u6a21\u578b\uff0cLangGraph\u90fd\u63d0\u4f9b\u4e86\u6240\u9700\u7684\u5de5\u5177\u548c\u7075\u6d3b\u6027\uff0c\u4f7f\u60a8\u80fd\u591f\u521b\u9020\u66f4\u667a\u80fd\u548c\u54cd\u5e94\u66f4\u8fc5\u901f\u7684\u5e94\u7528\u3002LangGraph\u4ee5\u5176\u5faa\u73af\u8ba1\u7b97\u3001\u72b6\u6001\u6267\u884c\u548c\u6761\u4ef6\u903b\u8f91\uff0c\u6210\u4e3a\u5f00\u53d1\u8005\u63a2\u7d22LLM\u5e94\u7528\u65b0\u53ef\u80fd\u7684\u5173\u952e\u5de5\u5177\u3002
    \u6700\u540e\uff0c\u6b22\u8fce\u5404\u4f4d\u8f6c\u53d1\u3001\u8ba2\u9605\u3001\u70b9\u8d5e<\/strong>\u3002\u4ee3\u7801\u4e2d\u6709\u4efb\u4f55\u95ee\u9898\u6b22\u8fce\u8bc4\u8bba\u4ea4\u6d41<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"
    \u968f\u7740\u4eba\u5de5\u667a\u80fd\u548c\u81ea\u7136\u8bed\u8a00\u5904\u7406\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6784\u5efa\u66f4\u590d\u6742\u548c\u52a8\u6001\u7684\u8ba1\u7b97\u6a21\u578b\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002LangGraph\u5e94\u8fd0\u800c\u751f\uff0c\u901a\u8fc7\u6269\u5c55LangChain\u7684\u529f\u80fd\uff0c\u4e3a\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u5e94\u7528\u6dfb\u52a0\u4e86\u5faa\u73af\u8ba1\u7b97\u80fd\u529b\u3002\u5373\u5927\u6a21\u578b\u4e0d\u518d\u53ea\u662f\u7aef\u5230\u7aef\u7684\u63a8\u7406\uff0c\u800c\u662f\u80fd\u6839\u636e\u4e1a\u52a1\u903b\u8f91\u4ee5\u53ca\u4e0a\u4e00\u6b21\u63a8\u7406\u7684\u53cd\u9988\uff0c\u51b3\u7b56\u4e0b\u4e00\u6b21\u63a8\u7406\u3002 \u672c\u8282\u6559\u7a0b\u4ee3\u7801\u4ed3\u5e93\uff1ahttps:\/\/github.com\/tangyipeng100\/LangGraph_tutoria […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-170","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/sspacee.com\/index.php?rest_route=\/wp\/v2\/posts\/170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sspacee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sspacee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sspacee.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/sspacee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=170"}],"version-history":[{"count":1,"href":"http:\/\/sspacee.com\/index.php?rest_route=\/wp\/v2\/posts\/170\/revisions"}],"predecessor-version":[{"id":171,"href":"http:\/\/sspacee.com\/index.php?rest_route=\/wp\/v2\/posts\/170\/revisions\/171"}],"wp:attachment":[{"href":"http:\/\/sspacee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sspacee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=170"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sspacee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}