{"id":96529,"date":"2026-08-27T20:57:56","date_gmt":"2026-08-27T12:57:56","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/96529.html"},"modified":"2026-08-27T20:57:56","modified_gmt":"2026-08-27T12:57:56","slug":"langgraph-%e4%b8%ad-send-%e5%92%8c-command-%e7%9a%84%e5%8c%ba%e5%88%ab%ef%bc%9a%e4%b8%80%e7%af%87%e5%bd%bb%e5%ba%95%e8%ae%b2%e6%87%82%e7%9a%84%e4%bf%9d%e5%a7%86%e7%ba%a7%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/96529.html","title":{"rendered":"LangGraph \u4e2d Send \u548c Command \u7684\u533a\u522b\uff1a\u4e00\u7bc7\u5f7b\u5e95\u8bb2\u61c2\u7684\u4fdd\u59c6\u7ea7\u6559\u7a0b"},"content":{"rendered":"<p>\u6700\u8fd1\u5728\u5b66\u4e60 LangGraph \u7684\u8fc7\u7a0b\u4e2d&#xff0c;\u6211\u53d1\u73b0\u5f88\u591a\u521d\u5b66\u8005&#xff08;\u5305\u62ec\u6211\u81ea\u5df1&#xff09;\u90fd\u4f1a\u88ab Send \u548c Command \u8fd9\u4e24\u4e2a\u6982\u5ff5\u641e\u6df7\u3002\u5b83\u4eec\u770b\u8d77\u6765\u90fd\u80fd\u8ba9\u8282\u70b9\u8df3\u6765\u8df3\u53bb&#xff0c;\u5230\u5e95\u6709\u4ec0\u4e48\u533a\u522b&#xff1f;\u4eca\u5929\u6211\u7528\u6700\u76f4\u767d\u7684\u5927\u767d\u8bdd &#043; \u4ee3\u7801 &#043; \u751f\u6d3b\u7c7b\u6bd4&#xff0c;\u5e2e\u4f60\u5f7b\u5e95\u7406\u6e05\u3002<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u5148\u641e\u6e05\u695a&#xff1a;\u5b83\u4eec\u662f\u4e3a\u4e86\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898&#xff1f;<\/h3>\n<p>\u5728\u666e\u901a\u7684 StateGraph \u4e2d&#xff0c;\u8282\u70b9\u7684\u6267\u884c\u6d41\u7a0b\u662f\u56fa\u5b9a\u7684&#xff1a;<\/p>\n<p>\u8282\u70b9A \u2192 \u8fb9 \u2192 \u8282\u70b9B \u2192 \u8fb9 \u2192 \u8282\u70b9C<\/p>\n<p>\u4f46\u5f88\u591a\u65f6\u5019&#xff0c;\u6211\u4eec\u9700\u8981\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u51b3\u5b9a\u4e0b\u4e00\u6b65\u53bb\u54ea\u3001\u7ed9\u8c01\u53d1\u4efb\u52a1\u3001\u751a\u81f3\u5e76\u884c\u6267\u884c\u591a\u4e2a\u4efb\u52a1\u3002Send \u548c Command \u5c31\u662f\u89e3\u51b3\u8fd9\u79cd&#034;\u52a8\u6001\u8c03\u5ea6&#034;\u95ee\u9898\u7684\u4e24\u628a\u94a5\u5319\u3002<\/p>\n<hr \/>\n<h3>\u4e8c\u3001Send&#xff1a;\u50cf\u4e00\u4e2a&#034;\u5feb\u9012\u5305\u88f9&#034;<\/h3>\n<h4>2.1 \u901a\u4fd7\u7406\u89e3<\/h4>\n<p>\u60f3\u8c61\u4f60\u662f\u4e00\u5bb6\u516c\u53f8\u7684\u8c03\u5ea6\u5458\u3002\u65e9\u4e0a\u8001\u677f\u7ed9\u4f60\u4e00\u5f20\u6e05\u5355&#xff0c;\u4e0a\u9762\u5199\u7740 10 \u4e2a\u5ba2\u6237\u7684\u5730\u5740\u3002\u4f60\u7684\u5de5\u4f5c\u662f&#xff1a;\u7ed9\u6bcf\u4e2a\u5ba2\u6237\u6d3e\u4e00\u4e2a\u5feb\u9012\u5458\u53bb\u9001\u8d27\u3002<\/p>\n<p>Send \u5c31\u662f\u4f60\u624b\u91cc\u7684&#034;\u5feb\u9012\u5355&#034;&#xff0c;\u4e0a\u9762\u5199\u7740&#xff1a;<\/p>\n<ul>\n<li>\u6536\u4ef6\u4eba&#xff08;node&#xff09;&#xff1a;\u54ea\u4e2a\u5feb\u9012\u5458\u53bb\u9001<\/li>\n<li>\u5305\u88f9\u5185\u5bb9&#xff08;arg&#xff09;&#xff1a;\u9001\u4ec0\u4e48\u4e1c\u897f<\/li>\n<\/ul>\n<p>\u4f60\u53ef\u4ee5\u4e00\u6b21\u5f00\u51fa\u5f88\u591a\u5f20\u5feb\u9012\u5355&#xff0c; LangGraph \u4f1a\u81ea\u52a8\u5e76\u884c\u6d3e\u51fa\u591a\u4e2a\u5feb\u9012\u5458\u3002<\/p>\n<h4>2.2 \u4ee3\u7801\u5199\u6cd5<\/h4>\n<p><span class=\"token keyword\">from<\/span> langgraph<span class=\"token punctuation\">.<\/span>types <span class=\"token keyword\">import<\/span> Send<br \/>\n<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> START<span class=\"token punctuation\">,<\/span> END<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> TypedDict<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">State<\/span><span class=\"token punctuation\">(<\/span>TypedDict<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    topics<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">list<\/span><span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span>  <span class=\"token comment\"># \u6bd4\u5982 [&#034;\u732b&#034;, &#034;\u72d7&#034;, &#034;\u4f01\u9e45&#034;]<\/span><br \/>\n    jokes<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">list<\/span><span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p><span class=\"token comment\"># \u8c03\u5ea6\u5458&#xff1a;\u7ed9\u6bcf\u4e2a topic \u90fd\u6d3e\u4e00\u4e2a\u4efb\u52a1<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">dispatch_jokes<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> State<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u8fd4\u56de 3 \u4e2a Send&#xff0c;LangGraph \u4f1a\u5e76\u884c\u6267\u884c 3 \u6b21 generate_joke<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n        Send<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;generate_joke&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;topic&#034;<\/span><span class=\"token punctuation\">:<\/span> topic<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> topic <span class=\"token keyword\">in<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;topics&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">]<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">generate_joke<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># state \u8fd9\u91cc\u63a5\u6536\u5230\u7684\u662f {&#034;topic&#034;: &#034;\u732b&#034;}&#xff0c;\u4e0d\u662f\u4e3b State&#xff01;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;jokes&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u5173\u4e8e<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;topic&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u7684\u7b11\u8bdd&#034;<\/span><\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>builder <span class=\"token operator\">&#061;<\/span> StateGraph<span class=\"token punctuation\">(<\/span>State<span class=\"token punctuation\">)<\/span><br \/>\nbuilder<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;generate_joke&#034;<\/span><span class=\"token punctuation\">,<\/span> generate_joke<span class=\"token punctuation\">)<\/span><br \/>\nbuilder<span class=\"token punctuation\">.<\/span>add_conditional_edges<span class=\"token punctuation\">(<\/span>START<span class=\"token punctuation\">,<\/span> dispatch_jokes<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u2190 Send \u7528\u5728\u8fb9\u91cc<\/span><br \/>\nbuilder<span class=\"token punctuation\">.<\/span>add_edge<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;generate_joke&#034;<\/span><span class=\"token punctuation\">,<\/span> END<span class=\"token punctuation\">)<\/span><\/p>\n<p>graph <span class=\"token operator\">&#061;<\/span> builder<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">compile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\nresult <span class=\"token operator\">&#061;<\/span> graph<span class=\"token punctuation\">.<\/span>invoke<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;topics&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;\u732b&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u72d7&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u4f01\u9e45&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;jokes&#034;<\/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><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># {&#039;topics&#039;: [&#039;\u732b&#039;, &#039;\u72d7&#039;, &#039;\u4f01\u9e45&#039;], &#039;jokes&#039;: [&#039;\u5173\u4e8e\u732b\u7684\u7b11\u8bdd&#039;, &#039;\u5173\u4e8e\u72d7\u7684\u7b11\u8bdd&#039;, &#039;\u5173\u4e8e\u4f01\u9e45\u7684\u7b11\u8bdd&#039;]}<\/span><\/p>\n<h4>2.3 Send \u7684\u7279\u70b9<\/h4>\n<table>\n<tr>\u7279\u70b9\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u7528\u5728\u54ea<\/td>\n<td>\u53ea\u80fd\u7528\u5728\u6761\u4ef6\u8fb9&#xff08;add_conditional_edges&#xff09;\u91cc<\/td>\n<\/tr>\n<tr>\n<td>\u80fd\u5e72\u4ec0\u4e48<\/td>\n<td>\u628a\u6570\u636e\u53d1\u7ed9\u6307\u5b9a\u8282\u70b9&#xff0c;\u652f\u6301\u5e76\u884c<\/td>\n<\/tr>\n<tr>\n<td>\u4f20\u4ec0\u4e48<\/td>\n<td>Send(&#034;\u8282\u70b9\u540d&#034;, {&#034;\u81ea\u5b9a\u4e49&#034;: &#034;\u72b6\u6001&#034;})&#xff0c;\u7b2c\u4e8c\u4e2a\u53c2\u6570\u53ef\u4ee5\u662f\u4efb\u610f dict<\/td>\n<\/tr>\n<tr>\n<td>\u66f4\u65b0\u4e3b\u72b6\u6001<\/td>\n<td>\u274c \u4e0d\u80fd\u76f4\u63a5\u66f4\u65b0\u56fe\u7684\u4e3b State<\/td>\n<\/tr>\n<tr>\n<td>\u7ecf\u5178\u573a\u666f<\/td>\n<td>Map-Reduce&#xff1a;1 \u4e2a\u8f93\u5165\u62c6\u6210 N \u4e2a\u5e76\u884c\u4efb\u52a1&#xff0c;\u6700\u540e\u6c47\u603b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e09\u3001Command&#xff1a;\u50cf\u4e00\u4e2a&#034;\u9065\u63a7\u5668&#034;<\/h3>\n<h4>3.1 \u901a\u4fd7\u7406\u89e3<\/h4>\n<p>Command \u6bd4 Send \u66f4\u9ad8\u7ea7\u3002\u5982\u679c\u8bf4 Send \u662f\u4e00\u5f20&#034;\u5feb\u9012\u5355&#034;&#xff0c;\u90a3 Command \u5c31\u662f\u4e00\u4e2a\u4e07\u80fd\u9065\u63a7\u5668\u3002<\/p>\n<p>\u8fd9\u4e2a\u9065\u63a7\u5668\u4e0a\u6709\u5f88\u591a\u6309\u94ae&#xff1a;<\/p>\n<ul>\n<li>update&#xff08;\u66f4\u65b0&#xff09;&#xff1a;\u4fee\u6539\u5f53\u524d\u623f\u95f4&#xff08;\u56fe\u72b6\u6001&#xff09;\u7684\u8bbe\u7f6e<\/li>\n<li>goto&#xff08;\u8df3\u8f6c&#xff09;&#xff1a;\u76f4\u63a5\u8df3\u5230\u67d0\u4e2a\u9891\u9053&#xff08;\u8282\u70b9&#xff09;<\/li>\n<li>resume&#xff08;\u6062\u590d&#xff09;&#xff1a;\u4ece\u6682\u505c\u72b6\u6001\u7ee7\u7eed\u64ad\u653e&#xff08;\u914d\u5408 interrupt \u4eba\u673a\u4ea4\u4e92&#xff09;<\/li>\n<\/ul>\n<p>\u800c\u4e14\u6700\u5389\u5bb3\u7684\u662f&#xff1a;\u8fd9\u4e2a\u9065\u63a7\u5668\u53ef\u4ee5\u7531\u623f\u95f4\u91cc\u7684\u4efb\u4f55\u4eba&#xff08;\u8282\u70b9&#xff09;\u76f4\u63a5\u6309&#xff01;<\/p>\n<h4>3.2 \u4ee3\u7801\u5199\u6cd5<\/h4>\n<p><span class=\"token keyword\">from<\/span> langgraph<span class=\"token punctuation\">.<\/span>types <span class=\"token keyword\">import<\/span> Command<br \/>\n<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> START<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\">State<\/span><span class=\"token punctuation\">(<\/span>TypedDict<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    question<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    category<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    answer<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><\/p>\n<p><span class=\"token comment\"># \u5206\u7c7b\u5458\u8282\u70b9&#xff1a;\u4e00\u8fb9\u66f4\u65b0\u72b6\u6001&#xff0c;\u4e00\u8fb9\u51b3\u5b9a\u4e0b\u4e00\u6b65\u53bb\u54ea<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">classify<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> State<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Command<span class=\"token punctuation\">[<\/span>Literal<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;handle_order&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;handle_refund&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;handle_general&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    question <span class=\"token operator\">&#061;<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;question&#034;<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token string\">&#034;\u9000\u6b3e&#034;<\/span> <span class=\"token keyword\">in<\/span> question<span class=\"token punctuation\">:<\/span><br \/>\n        category <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;refund&#034;<\/span><br \/>\n        next_node <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;handle_refund&#034;<\/span><br \/>\n    <span class=\"token keyword\">elif<\/span> <span class=\"token string\">&#034;\u8ba2\u5355&#034;<\/span> <span class=\"token keyword\">in<\/span> question<span class=\"token punctuation\">:<\/span><br \/>\n        category <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;order&#034;<\/span><br \/>\n        next_node <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;handle_order&#034;<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        category <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;general&#034;<\/span><br \/>\n        next_node <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;handle_general&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u4e00\u4e2a Command&#xff0c;\u540c\u65f6\u505a\u5230&#xff1a;<\/span><br \/>\n    <span class=\"token comment\"># 1. update&#xff1a;\u628a category \u5199\u8fdb State<\/span><br \/>\n    <span class=\"token comment\"># 2. goto&#xff1a;\u544a\u8bc9 LangGraph \u4e0b\u4e00\u6b65\u53bb\u54ea\u4e2a\u8282\u70b9<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> Command<span class=\"token punctuation\">(<\/span>update<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;category&#034;<\/span><span class=\"token punctuation\">:<\/span> category<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> goto<span class=\"token operator\">&#061;<\/span>next_node<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">handle_order<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> State<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;answer&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u3010\u8ba2\u5355\u95ee\u9898\u3011\u5df2\u6536\u5230&#xff0c;\u5206\u7c7b\u4e3a&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;category&#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><span class=\"token keyword\">def<\/span> <span class=\"token function\">handle_refund<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> State<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;answer&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u3010\u9000\u6b3e\u95ee\u9898\u3011\u5df2\u6536\u5230&#xff0c;\u5206\u7c7b\u4e3a&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;category&#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><span class=\"token keyword\">def<\/span> <span class=\"token function\">handle_general<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> State<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;answer&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u3010\u4e00\u822c\u95ee\u9898\u3011\u5df2\u6536\u5230&#xff0c;\u5206\u7c7b\u4e3a&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;category&#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>builder <span class=\"token operator\">&#061;<\/span> StateGraph<span class=\"token punctuation\">(<\/span>State<span class=\"token punctuation\">)<\/span><br \/>\nbuilder<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<span class=\"token punctuation\">)<\/span><br \/>\nbuilder<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;handle_order&#034;<\/span><span class=\"token punctuation\">,<\/span> handle_order<span class=\"token punctuation\">)<\/span><br \/>\nbuilder<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;handle_refund&#034;<\/span><span class=\"token punctuation\">,<\/span> handle_refund<span class=\"token punctuation\">)<\/span><br \/>\nbuilder<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;handle_general&#034;<\/span><span class=\"token punctuation\">,<\/span> handle_general<span class=\"token punctuation\">)<\/span><\/p>\n<p>builder<span class=\"token punctuation\">.<\/span>add_edge<span class=\"token punctuation\">(<\/span>START<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;classify&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u6ce8\u610f&#xff1a;\u8fd9\u91cc\u4e0d\u9700\u8981 add_conditional_edges&#xff01;<\/span><br \/>\n<span class=\"token comment\"># \u56e0\u4e3a classify \u8282\u70b9\u81ea\u5df1\u7528 Command \u51b3\u5b9a\u4e86\u4e0b\u4e00\u6b65\u53bb\u54ea<\/span><\/p>\n<p>graph <span class=\"token operator\">&#061;<\/span> builder<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">compile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\nresult <span class=\"token operator\">&#061;<\/span> graph<span class=\"token punctuation\">.<\/span>invoke<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;question&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u6211\u8981\u9000\u6b3e&#xff01;&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;category&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;answer&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># {&#039;question&#039;: &#039;\u6211\u8981\u9000\u6b3e&#xff01;&#039;, &#039;category&#039;: &#039;refund&#039;, &#039;answer&#039;: &#039;\u3010\u9000\u6b3e\u95ee\u9898\u3011\u5df2\u6536\u5230&#xff0c;\u5206\u7c7b\u4e3a&#xff1a;refund&#039;}<\/span><\/p>\n<h4>3.3 Command \u7684\u7279\u70b9<\/h4>\n<table>\n<tr>\u7279\u70b9\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u7528\u5728\u54ea<\/td>\n<td>\u5728\u8282\u70b9\u51fd\u6570\u91cc\u76f4\u63a5 return<\/td>\n<\/tr>\n<tr>\n<td>\u80fd\u5e72\u4ec0\u4e48<\/td>\n<td>\u66f4\u65b0\u72b6\u6001 &#043; \u8def\u7531\u8df3\u8f6c &#043; \u4e2d\u65ad\u6062\u590d&#xff0c;\u4e09\u5408\u4e00<\/td>\n<\/tr>\n<tr>\n<td>\u66f4\u65b0\u4e3b\u72b6\u6001<\/td>\n<td>\u2705 update&#061;{&#034;key&#034;: &#034;value&#034;} \u76f4\u63a5\u66f4\u65b0 State<\/td>\n<\/tr>\n<tr>\n<td>\u51b3\u5b9a\u4e0b\u4e00\u6b65<\/td>\n<td>\u2705 goto&#061;&#034;\u8282\u70b9\u540d&#034; \u76f4\u63a5\u51b3\u5b9a\u4e0b\u4e00\u4e2a\u8282\u70b9<\/td>\n<\/tr>\n<tr>\n<td>\u914d\u5408\u4e2d\u65ad<\/td>\n<td>\u2705 resume&#061;&#034;\u7528\u6237\u8f93\u5165&#034; \u6062\u590d interrupt<\/td>\n<\/tr>\n<tr>\n<td>\u8de8\u56fe\u63a7\u5236<\/td>\n<td>\u2705 Command(graph&#061;Command.PARENT) \u63a7\u5236\u7236\u56fe<\/td>\n<\/tr>\n<tr>\n<td>\u652f\u6301 Send<\/td>\n<td>\u2705 goto&#061;Send(&#034;\u8282\u70b9&#034;, {&#034;arg&#034;: 1}) \u53ef\u4ee5\u5305\u88f9 Send<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u56db\u3001Send vs Command&#xff1a;\u4e00\u5f20\u56fe\u770b\u61c2<\/h3>\n<table>\n<tr>\u5bf9\u6bd4\u9879Send&#xff08;\u5feb\u9012\u5355&#xff09;Command&#xff08;\u4e07\u80fd\u9065\u63a7\u5668&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>\u89d2\u8272<\/td>\n<td>\u8c03\u5ea6\u5458\u5f00\u7684\u5355\u5b50<\/td>\n<td>\u8282\u70b9\u81ea\u5df1\u6309\u7684\u6309\u94ae<\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u7528\u4f4d\u7f6e<\/td>\n<td>\u6761\u4ef6\u8fb9\u51fd\u6570\u91cc<\/td>\n<td>\u8282\u70b9\u51fd\u6570\u5185\u90e8<\/td>\n<\/tr>\n<tr>\n<td>\u66f4\u65b0 State<\/td>\n<td>\u274c \u4e0d\u884c<\/td>\n<td>\u2705 update \u53c2\u6570<\/td>\n<\/tr>\n<tr>\n<td>\u63a7\u5236\u8def\u7531<\/td>\n<td>\u2705 \u53ea\u80fd\u51b3\u5b9a\u53bb\u54ea\u4e2a\u8282\u70b9<\/td>\n<td>\u2705 goto \u51b3\u5b9a\u53bb\u54ea\u4e2a\u8282\u70b9<\/td>\n<\/tr>\n<tr>\n<td>\u5e76\u884c\u6d3e\u53d1<\/td>\n<td>\u2705 \u8fd4\u56de\u5217\u8868 [Send(&#8230;), Send(&#8230;)]<\/td>\n<td>\u2705 goto&#061;[Send(&#8230;), Send(&#8230;)]<\/td>\n<\/tr>\n<tr>\n<td>\u4eba\u673a\u4ea4\u4e92<\/td>\n<td>\u274c \u4e0d\u652f\u6301<\/td>\n<td>\u2705 resume \u6062\u590d\u4e2d\u65ad<\/td>\n<\/tr>\n<tr>\n<td>\u8de8\u56fe\u8c03\u7528<\/td>\n<td>\u274c \u4e0d\u652f\u6301<\/td>\n<td>\u2705 Command.PARENT<\/td>\n<\/tr>\n<tr>\n<td>\u7075\u6d3b\u7a0b\u5ea6<\/td>\n<td>\u5355\u4e00\u529f\u80fd<\/td>\n<td>\u591a\u529f\u80fd\u5408\u4e00<\/td>\n<\/tr>\n<tr>\n<td>\u63a8\u8350\u5ea6<\/td>\n<td>\u7279\u5b9a\u573a\u666f\u4f7f\u7528<\/td>\n<td>\u4f18\u5148\u63a8\u8350<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e94\u3001\u7528\u4e00\u4e2a\u4f8b\u5b50\u770b\u5b83\u4eec\u7684&#034;\u8fdb\u5316\u5173\u7cfb&#034;<\/h3>\n<p>\u5047\u8bbe\u6211\u4eec\u8981\u505a\u4e00\u4e2a&#034;\u667a\u80fd\u5ba2\u670d\u5206\u6d41&#034;\u7cfb\u7edf&#xff1a;<\/p>\n<h4>\u7248\u672c 1&#xff1a;\u6700\u539f\u59cb&#xff08;\u4e0d\u7528 Send\/Command&#xff09;<\/h4>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">classify<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> State<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token string\">&#034;\u9000\u6b3e&#034;<\/span> <span class=\"token keyword\">in<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;question&#034;<\/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;category&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;refund&#034;<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;category&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;order&#034;<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\"># \u8fd8\u8981\u5355\u72ec\u5199\u4e00\u4e2a\u6761\u4ef6\u8fb9\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">route<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> State<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;category&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;refund&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;handle_refund&#034;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;handle_order&#034;<\/span><\/p>\n<p>builder<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<span class=\"token punctuation\">)<\/span><br \/>\nbuilder<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<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u8fb9\u548c\u8282\u70b9\u5206\u79bb&#xff0c;\u5570\u55e6<\/span><\/p>\n<p>\u7f3a\u70b9&#xff1a;\u5206\u7c7b\u903b\u8f91\u548c\u8def\u7531\u903b\u8f91\u62c6\u6210\u4e24\u534a&#xff0c;\u7ef4\u62a4\u9ebb\u70e6\u3002<\/p>\n<hr \/>\n<h4>\u7248\u672c 2&#xff1a;\u7528 Command&#xff08;\u63a8\u8350 \u2705&#xff09;<\/h4>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">classify<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> State<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Command<span class=\"token punctuation\">[<\/span>Literal<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;handle_refund&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;handle_order&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token string\">&#034;\u9000\u6b3e&#034;<\/span> <span class=\"token keyword\">in<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;question&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> Command<span class=\"token punctuation\">(<\/span>update<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;category&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;refund&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> goto<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;handle_refund&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> Command<span class=\"token punctuation\">(<\/span>update<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;category&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;order&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> goto<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;handle_order&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>builder<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<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u4e0d\u9700\u8981 add_conditional_edges&#xff01;\u8282\u70b9\u81ea\u5df1\u8bf4\u4e86\u7b97<\/span><\/p>\n<p>\u4f18\u70b9&#xff1a;\u66f4\u65b0\u72b6\u6001\u548c\u8def\u7531\u51b3\u7b56\u5199\u5728\u4e00\u8d77&#xff0c;\u4e00\u773c\u5c31\u80fd\u770b\u61c2\u6574\u4e2a\u903b\u8f91\u3002<\/p>\n<hr \/>\n<h4>\u7248\u672c 3&#xff1a;\u5982\u679c\u9700\u8981\u5e76\u884c\u5904\u7406\u591a\u4e2a\u5b50\u4efb\u52a1<\/h4>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">classify<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> State<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> Command<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u628a\u95ee\u9898\u62c6\u6210 3 \u4e2a\u5b50\u95ee\u9898&#xff0c;\u5e76\u884c\u53d1\u9001\u7ed9 3 \u4e2a\u5904\u7406\u8282\u70b9<\/span><br \/>\n    sub_tasks <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n        Send<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;handler&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;sub_question&#034;<\/span><span class=\"token punctuation\">:<\/span> q<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> q <span class=\"token keyword\">in<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;sub_questions&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> Command<span class=\"token punctuation\">(<\/span>goto<span class=\"token operator\">&#061;<\/span>sub_tasks<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u8fd9\u91cc&#xff1a;Command \u5305\u88f9\u4e86 Send&#xff0c;\u65e2\u6709 Command \u7684\u7075\u6d3b\u6027&#xff0c;\u53c8\u6709 Send \u7684\u5e76\u884c\u80fd\u529b\u3002<\/p>\n<hr \/>\n<h3>\u516d\u3001\u603b\u7ed3&#xff1a;\u6211\u8be5\u600e\u4e48\u9009&#xff1f;<\/h3>\n<p>\u4f60\u7684\u9700\u6c42<br \/>\n    \u2502<br \/>\n    \u251c\u2500 \u53ea\u9700\u8981\u5728\u6761\u4ef6\u8fb9\u91cc\u505a\u7b80\u5355\u7684\u52a8\u6001\u8def\u7531&#xff1f;<br \/>\n    \u2502   \u2514\u2500 \u7528 Send&#xff08;\u4f20\u7edf\u65b9\u5f0f&#xff09;<br \/>\n    \u2502<br \/>\n    \u251c\u2500 \u9700\u8981\u5728\u8282\u70b9\u91cc\u540c\u65f6&#034;\u66f4\u65b0\u72b6\u6001 &#043; \u51b3\u5b9a\u4e0b\u4e00\u6b65&#034;&#xff1f;<br \/>\n    \u2502   \u2514\u2500 \u7528 Command&#xff08;\u63a8\u8350&#xff01;&#xff09;<br \/>\n    \u2502<br \/>\n    \u251c\u2500 \u9700\u8981\u505a Map-Reduce \u5e76\u884c\u4efb\u52a1&#xff1f;<br \/>\n    \u2502   \u2514\u2500 \u5728 Command.goto \u91cc\u5305 Send&#xff0c;\u6216\u8005\u6761\u4ef6\u8fb9\u91cc\u7528 Send<br \/>\n    \u2502<br \/>\n    \u2514\u2500 \u9700\u8981\u4eba\u673a\u4ea4\u4e92&#xff08;interrupt &#043; \u6062\u590d&#xff09;&#xff1f;<br \/>\n        \u2514\u2500 \u5fc5\u987b\u7528 Command&#xff08;resume \u53c2\u6570&#xff09;<\/p>\n<h4>\u4e00\u53e5\u8bdd\u8bb0\u4f4f\u533a\u522b&#xff1a;<\/h4>\n<p>Send \u662f\u8c03\u5ea6\u4e2d\u5fc3\u5f00\u51fa\u6765\u7684&#034;\u4efb\u52a1\u5355&#034;&#xff0c;Command \u662f\u8282\u70b9\u81ea\u5df1\u624b\u91cc\u7684&#034;\u9065\u63a7\u5668&#034;\u3002<\/p>\n<p>\u6709\u9065\u63a7\u5668\u4e86&#xff0c;\u8c01\u8fd8\u613f\u610f\u8dd1\u8c03\u5ea6\u4e2d\u5fc3\u586b\u5355\u5b50\u5462&#xff1f;\u4f18\u5148\u5b66 Command&#xff0c;\u9047\u5230\u5e76\u884c Map-Reduce \u65f6\u628a Send \u5305\u8fdb\u53bb\u3002<\/p>\n<hr \/>\n<h3>\u4e03\u3001\u5e38\u89c1\u5751<\/h3>\n<li>\n<p>Send \u4e0d\u80fd\u76f4\u63a5\u5728\u8282\u70b9\u91cc return&#xff1a;\u65e7\u7248\u672c LangGraph \u4e2d&#xff0c;\u8282\u70b9\u91cc return Send \u662f\u4e0d\u751f\u6548\u7684&#xff0c;\u5b83\u53ea\u80fd\u7528\u5728 add_conditional_edges \u7684\u51fd\u6570\u91cc\u3002\u65b0\u7248\u867d\u7136\u6709\u6240\u653e\u5bbd&#xff0c;\u4f46\u6700\u4f73\u5b9e\u8df5\u4ecd\u7136\u662f&#xff1a;\u8282\u70b9\u91cc\u7528 Command&#xff0c;\u8fb9\u91cc\u7528 Send\u3002<\/p>\n<\/li>\n<li>\n<p>Command \u7684 update \u548c\u4f20\u7edf return \u4e0d\u80fd\u6df7&#xff1a;\u4e00\u4e2a\u8282\u70b9\u8981\u4e48 return {&#034;key&#034;: &#034;val&#034;}&#xff0c;\u8981\u4e48 return Command(update&#061;{&#034;key&#034;: &#034;val&#034;})&#xff0c;\u4e0d\u8981\u641e\u6df7\u3002<\/p>\n<\/li>\n<li>\n<p>\u7528\u4e86 Command \u5c31\u4e0d\u9700\u8981\u90a3\u6761\u8fb9\u4e86&#xff1a;\u5982\u679c\u4f60\u7684\u8282\u70b9 return \u4e86 Command(goto&#061;&#8230;)&#xff0c;\u90a3\u4e48\u4ece\u8be5\u8282\u70b9\u51fa\u53d1\u7684 add_edge \u6216 add_conditional_edges \u4f1a\u88ab\u8986\u76d6&#xff0c;\u53ef\u4ee5\u7701\u7565\u3002<\/p>\n<\/li>\n<hr \/>\n<p>\u5e0c\u671b\u8fd9\u7bc7\u535a\u5ba2\u80fd\u5e2e\u5230\u4f60&#xff01;\u5982\u679c\u89c9\u5f97\u6709\u7528&#xff0c;\u6b22\u8fce\u70b9\u8d5e\u6536\u85cf&#xff0c;\u6709\u95ee\u9898\u8bc4\u8bba\u533a\u4ea4\u6d41&#xff5e;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u5728\u5b66\u4e60 LangGraph \u7684\u8fc7\u7a0b\u4e2d&#xff0c;\u6211\u53d1\u73b0\u5f88\u591a\u521d\u5b66\u8005&#xff08;\u5305\u62ec\u6211\u81ea\u5df1&#xff09;\u90fd\u4f1a\u88ab Send \u548c Command \u8fd9\u4e24\u4e2a\u6982\u5ff5\u641e\u6df7\u3002\u5b83\u4eec\u770b\u8d77\u6765\u90fd\u80fd\u8ba9\u8282\u70b9\u8df3\u6765\u8df3\u53bb&#xff0c;\u5230\u5e95\u6709\u4ec0\u4e48\u533a\u522b&#xff1f;\u4eca\u5929\u6211\u7528\u6700\u76f4\u767d\u7684\u5927\u767d\u8bdd  \u4ee3\u7801  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