{"id":85284,"date":"2026-07-27T09:32:52","date_gmt":"2026-07-27T01:32:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/85284.html"},"modified":"2026-07-27T09:32:52","modified_gmt":"2026-07-27T01:32:52","slug":"%e3%80%90langgraph%e5%ae%9e%e6%88%98%e3%80%91%e3%80%8alanggraph%e5%ae%9e%e6%88%98%e3%80%8b_80-%e7%ac%ac4%e7%ab%a0-%e4%ba%a4%e4%ba%92%e4%bd%93%e9%aa%8c-%e4%ba%ba%e6%9c%ba%e7%8e%af%e8%b7%af%e5%9b%9b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/85284.html","title":{"rendered":"\u3010LangGraph\u5b9e\u6218\u3011\u300aLangGraph\u5b9e\u6218\u300b_80.[\u7b2c4\u7ae0 \u4ea4\u4e92\u4f53\u9a8c] \u4eba\u673a\u73af\u8def\u56db\u5927\u6a21\u5f0f\uff1a\u5ba1\u6279\u3001\u7f16\u8f91\u3001\u53cd\u9988\u3001\u5bf9\u8bdd"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727013250-6a66b542d0d46.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" 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.flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-4O8lGqbRsUaFa8Nb .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-4O8lGqbRsUaFa8Nb .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-4O8lGqbRsUaFa8Nb .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-4O8lGqbRsUaFa8Nb .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-4O8lGqbRsUaFa8Nb .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-4O8lGqbRsUaFa8Nb .cluster text{fill:#333;}#mermaid-svg-4O8lGqbRsUaFa8Nb .cluster span{color:#333;}#mermaid-svg-4O8lGqbRsUaFa8Nb div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-4O8lGqbRsUaFa8Nb 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.root&gt;*{fill:#e1f5fe!important;stroke:#01579b!important;color:#000!important;}#mermaid-svg-4O8lGqbRsUaFa8Nb .root span{fill:#e1f5fe!important;stroke:#01579b!important;color:#000!important;}#mermaid-svg-4O8lGqbRsUaFa8Nb .root tspan{fill:#000!important;}#mermaid-svg-4O8lGqbRsUaFa8Nb .mode1&gt;*{fill:#ffebee!important;stroke:#c62828!important;color:#000!important;}#mermaid-svg-4O8lGqbRsUaFa8Nb .mode1 span{fill:#ffebee!important;stroke:#c62828!important;color:#000!important;}#mermaid-svg-4O8lGqbRsUaFa8Nb .mode1 tspan{fill:#000!important;}#mermaid-svg-4O8lGqbRsUaFa8Nb .mode2&gt;*{fill:#e8f5e9!important;stroke:#2e7d32!important;color:#000!important;}#mermaid-svg-4O8lGqbRsUaFa8Nb .mode2 span{fill:#e8f5e9!important;stroke:#2e7d32!important;color:#000!important;}#mermaid-svg-4O8lGqbRsUaFa8Nb .mode2 tspan{fill:#000!important;}#mermaid-svg-4O8lGqbRsUaFa8Nb .mode3&gt;*{fill:#fff8e1!important;stroke:#ff8f00!important;color:#000!important;}#mermaid-svg-4O8lGqbRsUaFa8Nb .mode3 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<span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/span><\/p>\n<p>         <span style=\"color:#000 !important\" class=\"nodeLabel\"><\/p>\n<p>LangGraph\u4eba\u673a\u73af\u8def\u56db\u5927\u6838\u5fc3\u6a21\u5f0f<\/p>\n<p><\/span><\/p>\n<p>         <span style=\"color:#000 !important\" class=\"nodeLabel\"><\/p>\n<p>1 \u5ba1\u6279\u6a21\u5f0f<\/p>\n<p><\/span><\/p>\n<p>         <span style=\"color:#000 !important\" class=\"nodeLabel\"><\/p>\n<p>2 \u7f16\u8f91\u6a21\u5f0f<\/p>\n<p><\/span><\/p>\n<p>         <span style=\"color:#000 !important\" class=\"nodeLabel\"><\/p>\n<p>3 \u53cd\u9988\u6a21\u5f0f<\/p>\n<p><\/span><\/p>\n<p>         <span style=\"color:#000 !important\" 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class=\"nodeLabel\"><\/p>\n<p>\u52a8\u6001\u6761\u4ef6\u8def\u7531<\/p>\n<p><\/span><\/p>\n<p>\u76ee\u5f55<\/p>\n<li>\u5ba1\u6279\u6a21\u5f0f&#xff1a;\u7ed9Agent\u88c5\u4e0a\u5239\u8f66\u7247<\/li>\n<li>\u7f16\u8f91\u6a21\u5f0f&#xff1a;\u4e2d\u9014\u6539\u9053\u4e0d\u7ffb\u8f66<\/li>\n<li>\u53cd\u9988\u6a21\u5f0f&#xff1a;\u8ba9AI\u542c\u61c2\u4eba\u8bdd<\/li>\n<li>\u5bf9\u8bdd\u6a21\u5f0f&#xff1a;\u591a\u8f6e\u8fc7\u62db\u8865\u5168\u4fe1\u606f<\/li>\n<p>\u55e8&#xff0c;\u5927\u5bb6\u597d\u5440&#xff0c;\u6211\u662f\u4f60\u7684\u8001\u670b\u53cb\u7cbe\u901a\u4ee3\u7801\u5927\u4ed9\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\u300aLangChain\u6838\u5fc3\u6280\u672f\u4e0eLLM\u9879\u76ee\u5b9e\u8df5\u300b\u3002<\/p>\n<p>\u4fd7\u8bdd\u8bf4&#xff0c;AI\u5e72\u6d3b\u4e00\u65f6\u723d&#xff0c;\u7ffb\u8f66\u706b\u846c\u573a\u3002\u54b1\u4eec\u7a0b\u5e8f\u5458\u628aLangGraph\u7684Graph\u6d41\u642d\u5f97\u518d\u6f02\u4eae&#xff0c;\u8282\u70b9\u8fde\u5f97\u518d\u4e1d\u6ed1&#xff0c;\u4e00\u65e6\u653e\u5230\u751f\u4ea7\u73af\u5883\u53bb\u771f\u5200\u771f\u67aa\u5730\u8dd1&#xff0c;\u5c31\u4f1a\u7acb\u523b\u53d1\u73b0\u4e00\u4e2a\u624e\u5fc3\u7684\u4e8b\u5b9e&#xff1a;\u5b8c\u5168\u65e0\u4eba\u503c\u5b88\u7684Agent&#xff0c;\u5c31\u50cf\u4e00\u4e2a\u521a\u62ff\u5230\u9a7e\u7167\u5c31\u6562\u4e0a\u9ad8\u901f\u7684\u65b0\u624b\u2014\u2014\u901f\u5ea6\u5feb\u662f\u5feb&#xff0c;\u4f46\u4fdd\u4e0d\u9f50\u4ec0\u4e48\u65f6\u5019\u5c31\u628a\u62a4\u680f\u7ed9\u649e\u4e86\u3002\u5f88\u591a\u65b0\u624b\u540c\u5b66\u4ee5\u4e3a\u4eba\u673a\u4ea4\u4e92&#xff08;Human-in-the-Loop&#xff0c;HITL&#xff09;\u5c31\u662f\u5728\u754c\u9762\u4e0a\u52a0\u51e0\u4e2a\u6309\u94ae&#xff0c;\u70b9\u4e2a\u201c\u786e\u8ba4\u201d\u5c31\u5b8c\u4e8b\u4e86\u3002\u7ed3\u679c\u5462&#xff1f;\u8981\u4e48\u628a\u5f02\u6b65\u6d41\u786c\u751f\u751f\u505a\u6210\u4e86\u540c\u6b65\u963b\u585e&#xff0c;\u8981\u4e48\u8be5\u62e6\u622a\u7684\u98ce\u9669\u6ca1\u62e6\u4f4f&#xff0c;\u4e0d\u8be5\u6253\u65ad\u7684\u5730\u65b9\u72c2\u5f39\u7a97&#xff0c;\u7528\u6237\u4f53\u9a8c\u7a00\u788e\u4e0d\u8bf4&#xff0c;\u6570\u636e\u5b89\u5168\u4e5f\u4eae\u8d77\u4e86\u7ea2\u706f\u3002<\/p>\n<p>\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0&#xff0c;\u54b1\u4eec\u5c31\u628aLangGraph\u91cc\u4eba\u673a\u73af\u8def\u7684\u56db\u5927\u6a21\u5f0f\u2014\u2014\u5ba1\u6279\u3001\u7f16\u8f91\u3001\u53cd\u9988\u3001\u5bf9\u8bdd\u2014\u2014\u5f7b\u5e95\u63b0\u5f00\u4e86\u3001\u63c9\u788e\u4e86\u8bb2\u3002\u8fd9\u56db\u5927\u6a21\u5f0f&#xff0c;\u4e0d\u662f\u53ef\u6709\u53ef\u65e0\u7684\u201c\u589e\u5f3a\u529f\u80fd\u201d&#xff0c;\u800c\u662f\u51b3\u5b9a\u4f60\u7684Agent\u80fd\u5426\u4eceDemo\u8d70\u5411\u4ea7\u54c1\u5316\u7684\u5206\u6c34\u5cad\u3002\u5750\u7a33\u4e86&#xff0c;\u54b1\u4eec\u53d1\u8f66\u3002<\/p>\n<hr \/>\n<p>1. \u5ba1\u6279\u6a21\u5f0f&#xff1a;\u7ed9Agent\u88c5\u4e0a\u5239\u8f66\u7247<\/p>\n<p>\u5ba1\u6279\u6a21\u5f0f\u662f\u4eba\u673a\u73af\u8def\u91cc\u6700\u57fa\u7840\u3001\u4e5f\u662f\u6700\u521a\u9700\u7684\u4e00\u79cd\u3002\u4f60\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u4e3a\u7ed9Agent\u88c5\u4e86\u4e00\u4e2a\u201c\u5239\u8f66\u7247\u201d&#xff1a;\u5728\u5173\u952e\u8282\u70b9\u524d&#xff0c;\u6574\u4e2a\u5de5\u4f5c\u6d41\u4e3b\u52a8\u8e29\u4e00\u811a\u5239\u8f66&#xff0c;\u7b49\u4eba\u7c7b\u70b9\u5934\u8bf4\u201c\u8fc7\u201d&#xff0c;\u518d\u7ee7\u7eed\u5f80\u4e0b\u8dd1\u3002\u5b83\u7684\u6838\u5fc3\u4f5c\u7528\u662f\u515c\u5e95&#xff0c;\u4e13\u95e8\u7528\u6765\u62e6\u622a\u90a3\u4e9b\u9ad8\u98ce\u9669\u3001\u4e0d\u53ef\u9006\u3001\u9ad8\u6210\u672c\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u5728LangGraph\u91cc&#xff0c;\u5b9e\u73b0\u5ba1\u6279\u4e0d\u662f\u9760\u4f60\u5728\u8282\u70b9\u51fd\u6570\u91cc\u5199\u4e2ainput()\u50bb\u7b49&#xff0c;\u800c\u662f\u4f7f\u7528\u539f\u751f\u7684interrupt\u673a\u5236\u3002\u8fd9\u4e2a\u673a\u5236\u80fd\u8ba9Graph\u5728\u6307\u5b9a\u4f4d\u7f6e\u4f18\u96c5\u5730\u6682\u505c&#xff0c;\u628a\u5f53\u524d\u72b6\u6001\u5b8c\u6574\u6301\u4e45\u5316\u5230Checkpoint\u3002\u54ea\u6015\u4f60\u7684\u670d\u52a1\u8fd9\u65f6\u5019\u91cd\u542f\u4e86&#xff0c;\u6062\u590d\u540e\u4f9d\u7136\u80fd\u4ece\u65ad\u70b9\u7ee7\u7eed\u3002\u8fd9\u662f\u5ba1\u6279\u6a21\u5f0f\u7684\u6280\u672f\u5e95\u5ea7\u3002<\/p>\n<p>\u4f46\u65b0\u624b\u5728\u8fd9\u4e2a\u6a21\u5f0f\u4e0a\u8e29\u7684\u5751&#xff0c;\u90a3\u53eb\u4e00\u4e2a\u591a\u3002<\/p>\n<p>\u75db\u70b9\u5206\u6790<\/p>\n<p>\u6700\u5e38\u89c1\u7684\u9519\u8bef\u53eb\u201c\u5ba1\u6279\u6ee5\u7528\u201d\u3002\u6211\u89c1\u8fc7\u6709\u540c\u5b66\u5728\u6bcf\u4e2a\u5de5\u5177\u8c03\u7528\u8282\u70b9\u540e\u9762\u90fd\u52a0\u4e00\u4e2ainterrupt&#xff0c;\u7f8e\u540d\u5176\u66f0\u201c\u5168\u94fe\u8def\u53ef\u63a7\u201d\u3002\u7ed3\u679c\u5462&#xff1f;\u4e00\u4e2a\u539f\u672c5\u79d2\u949f\u5c31\u80fd\u8dd1\u5b8c\u7684\u81ea\u52a8\u5316\u6d41\u7a0b&#xff0c;\u786c\u662f\u88ab\u62c6\u6210\u4e8620\u6b21\u4eba\u5de5\u70b9\u51fb\u3002\u7528\u6237\u5b88\u7740\u5c4f\u5e55\u50cf\u4e2a\u6d41\u6c34\u7ebf\u5de5\u4eba&#xff0c;\u70b9\u5b8cA\u70b9B&#xff0c;\u70b9\u5b8cB\u70b9C\u3002\u8fd9\u54ea\u662fAI\u52a9\u624b&#xff1f;\u8fd9\u7b80\u76f4\u5c31\u662f\u7535\u5b50\u5ba0\u7269&#xff0c;\u8fd8\u5f97\u4f60\u4e00\u53e3\u4e00\u53e3\u5582\u996d\u3002\u81ea\u52a8\u5316\u6d41\u7a0b\u7684\u7075\u9b42\u662f\u201c\u51cf\u5c11\u4eba\u5de5\u5e72\u9884\u201d&#xff0c;\u800c\u4e0d\u662f\u201c\u628a\u4eba\u5de5\u5e72\u9884\u5747\u5300\u5206\u644a\u5230\u6bcf\u4e00\u6b65\u201d\u3002<\/p>\n<p>\u53e6\u4e00\u4e2a\u6781\u7aef\u662f\u201c\u5ba1\u6279\u88f8\u5954\u201d\u3002\u5728\u53d1\u9001\u90ae\u4ef6\u3001\u5220\u9664\u6570\u636e\u3001\u8d44\u91d1\u8f6c\u8d26\u3001\u5bf9\u5916\u53d1\u5e03\u5185\u5bb9\u8fd9\u4e9b\u4e0d\u53ef\u9006\u64cd\u4f5c\u524d&#xff0c;\u5b8c\u5168\u4e0d\u52a0\u5ba1\u6279\u8282\u70b9\u3002Agent\u4e00\u65e6\u4ea7\u751f\u5e7b\u89c9&#xff0c;\u6216\u8005Prompt\u88ab\u6ce8\u5165\u653b\u51fb&#xff0c;\u540e\u679c\u4e0d\u582a\u8bbe\u60f3\u3002\u66f4\u9690\u853d\u7684\u5751\u5728\u4e8e\u5e76\u884c\u5206\u652f\u91cc\u7684\u5ba1\u6279\u4e71\u7528\u3002\u6bd4\u5982\u4f60\u7684Graph\u540c\u65f6\u542f\u52a8\u4e86\u201c\u641c\u7d22\u8282\u70b9\u201d\u548c\u201c\u8ba1\u7b97\u8282\u70b9\u201d&#xff0c;\u4f60\u5728\u5176\u4e2d\u4e00\u4e2a\u5206\u652f\u52a0\u4e86\u5ba1\u6279&#xff0c;\u4f46\u6062\u590d\u65f6\u6ca1\u5904\u7406\u597d\u72b6\u6001\u540c\u6b65&#xff0c;\u5bfc\u81f4\u53e6\u4e00\u4e2a\u5206\u652f\u7684\u7ed3\u679c\u5df2\u7ecf\u8fc7\u671f&#xff0c;\u6216\u8005\u6574\u4e2aGraph\u72b6\u6001\u673a\u76f4\u63a5\u629b\u5f02\u5e38\u3002<\/p>\n<p>\u4ee3\u7801\u5c42\u9762\u7684\u5178\u578b\u9519\u8bef&#xff0c;\u662f\u628a\u963b\u585e\u903b\u8f91\u76f4\u63a5\u585e\u8fdb\u4e86\u8282\u70b9\u51fd\u6570&#xff1a;<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">risky_node<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u9519\u8bef\u793a\u8303&#xff1a;\u5728\u8282\u70b9\u91cc\u7528input\u963b\u585e<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token builtin\">input<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u786e\u8ba4\u6267\u884c\u5417&#xff1f;&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;y&#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;result&#034;<\/span><span class=\"token punctuation\">:<\/span> do_risky_thing<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;result&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;cancelled&#034;<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd9\u79cd\u5199\u6cd5\u5728\u751f\u4ea7\u73af\u5883\u5c31\u662f\u707e\u96be\u3002\u4e00\u662finput()\u4f1a\u76f4\u63a5\u5361\u6b7b\u8fdb\u7a0b&#xff0c;API\u670d\u52a1\u5b8c\u5168\u4e0d\u53ef\u7528&#xff1b;\u4e8c\u662fLangGraph\u7684checkpoint\u6839\u672c\u4e0d\u77e5\u9053\u8fd9\u91cc\u53d1\u751f\u4e86\u4e2d\u65ad&#xff0c;\u72b6\u6001\u6062\u590d\u65e0\u4ece\u8c08\u8d77\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6848\u4e0e\u6b63\u786e\u505a\u6cd5<\/p>\n<p>\u5ba1\u6279\u6a21\u5f0f\u8981\u9075\u5faa\u201c\u6700\u5c0f\u5fc5\u8981\u539f\u5219\u201d\u3002\u53ea\u5728\u771f\u6b63\u9700\u8981\u4eba\u7c7b\u62cd\u677f\u7684\u5730\u65b9\u8bbe\u7f6e\u62e6\u622a\u70b9\u3002\u5728LangGraph\u4e2d&#xff0c;\u6b63\u786e\u59ff\u52bf\u662f\u4f7f\u7528interrupt\u914d\u5408Command\u6062\u590d\u3002<\/p>\n<p><span class=\"token keyword\">from<\/span> langgraph<span class=\"token punctuation\">.<\/span>types <span class=\"token keyword\">import<\/span> interrupt<span class=\"token punctuation\">,<\/span> Command<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">approval_node<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u6b63\u786e\u793a\u8303&#xff1a;\u629b\u51fa\u4e2d\u65ad&#xff0c;\u7b49\u5f85\u5916\u90e8\u5ba1\u6279<\/span><br \/>\n    interrupt<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string\">&#034;action&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;transfer&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;target&#034;<\/span><span class=\"token punctuation\">:<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;target_account&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;amount&#034;<\/span><span class=\"token punctuation\">:<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;amount&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <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;approved&#034;<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\"># \u5916\u90e8\u6062\u590d\u65f6<\/span><br \/>\n<span class=\"token comment\"># \u540c\u610f&#xff1a;Command(resume&#061;&#034;approved&#034;)<\/span><br \/>\n<span class=\"token comment\"># \u62d2\u7edd&#xff1a;Command(resume&#061;&#034;rejected&#034;)<\/span><\/p>\n<p>\u5173\u952e\u70b9\u5728\u4e8e&#xff0c;interrupt\u4ee5\u4e0b\u7684\u4ee3\u7801\u5728resume\u4e4b\u524d\u4e0d\u4f1a\u6267\u884c\u3002\u800c\u4e14\u5916\u90e8\u7684Command\u53ef\u4ee5\u643a\u5e26\u6062\u590d\u4fe1\u53f7&#xff0c;\u4f60\u53ef\u4ee5\u6839\u636e\u8fd9\u4e2a\u4fe1\u53f7\u505a\u6761\u4ef6\u8def\u7531\u3002\u6bd4\u5982&#xff1a;<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">route_approval<\/span><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>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;resume_value&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;rejected&#034;<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;human_support&#034;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;auto_execute&#034;<\/span><\/p>\n<p>\u8fd9\u6837\u4e00\u6765&#xff0c;\u5ba1\u6279\u903b\u8f91\u5c31\u6210\u4e86Graph\u7ed3\u6784\u7684\u4e00\u90e8\u5206&#xff0c;\u800c\u4e0d\u662f\u8282\u70b9\u91cc\u7684\u9ed1\u76d2\u3002\u914d\u5408\u6761\u4ef6\u8fb9&#xff08;conditional edge&#xff09;&#xff0c;\u62d2\u7edd\u7684\u6d41\u8f6c\u8def\u5f84\u4e5f\u5728\u4f60\u7684\u638c\u63a7\u4e4b\u4e2d\u3002\u5ba1\u6279\u6a21\u5f0f\u7528\u5f97\u597d&#xff0c;\u5c31\u50cf\u7ed9\u8dd1\u8f66\u88c5\u4e86ABS\u9632\u62b1\u6b7b\u7cfb\u7edf\u2014\u2014\u5e73\u65f6\u4f60\u611f\u89c9\u4e0d\u5230\u5b83\u7684\u5b58\u5728&#xff0c;\u5173\u952e\u65f6\u523b\u5b83\u80fd\u6551\u4f60\u4e00\u547d\u3002<\/p>\n<p>\u5c0f\u7ed3<\/p>\n<p>\u5ba1\u6279\u6a21\u5f0f\u662fAgent\u7684\u4fdd\u9669\u4e1d&#xff0c;\u5b81\u53ef\u5728\u5173\u952e\u5904\u65ad\u4e00\u6b21&#xff0c;\u4e5f\u522b\u8ba9\u6574\u6761\u7535\u8def\u70e7\u6bc1\u3002\u5c11\u5373\u662f\u591a&#xff0c;\u53ea\u5728\u4e0d\u53ef\u9006\u64cd\u4f5c\u524d\u8bbe\u5361&#xff0c;\u624d\u662f\u771f\u6b63\u7684\u4f18\u96c5\u3002<\/p>\n<hr \/>\n<p>2. \u7f16\u8f91\u6a21\u5f0f&#xff1a;\u4e2d\u9014\u6539\u9053\u4e0d\u7ffb\u8f66<\/p>\n<p>\u5982\u679c\u8bf4\u5ba1\u6279\u6a21\u5f0f\u662f\u201c\u884c\u6216\u4e0d\u884c\u201d&#xff0c;\u90a3\u7f16\u8f91\u6a21\u5f0f\u5c31\u662f\u201c\u8fd9\u6837\u4e0d\u884c&#xff0c;\u6211\u7ed9\u4f60\u6539\u6210\u90a3\u6837\u201d\u3002\u5b83\u5141\u8bb8\u4eba\u7c7b\u5728\u6d41\u7a0b\u4e2d\u65ad\u671f\u95f4&#xff0c;\u76f4\u63a5\u4fee\u6539Agent\u7684\u4e2d\u95f4\u72b6\u6001\u6570\u636e&#xff0c;\u7136\u540e\u8ba9\u6d41\u7a0b\u5e26\u7740\u4fee\u6b63\u540e\u7684\u6570\u636e\u7ee7\u7eed\u5f80\u4e0b\u8dd1\u3002\u8fd9\u5728\u4fe1\u606f\u8865\u5168\u3001\u6587\u6848\u6da6\u8272\u3001\u6570\u636e\u7ea0\u9519\u573a\u666f\u4e0b&#xff0c;\u662f\u795e\u5668\u7ea7\u522b\u7684\u5b58\u5728\u3002<\/p>\n<p>\u60f3\u8c61\u4e00\u4e0b&#xff0c;Agent\u5199\u4e86\u4e00\u5c01\u5546\u52a1\u90ae\u4ef6&#xff0c;\u751f\u6210\u5b8c\u6bd5\u540e\u5b83\u4e2d\u65ad\u7b49\u5f85\u3002\u4eba\u7c7b\u770b\u4e86\u89c9\u5f97\u79f0\u547c\u6ca1\u95ee\u9898&#xff0c;\u4f46\u6b63\u6587\u91cc\u7684\u67d0\u4e2a\u6570\u636e\u9700\u8981\u6539&#xff0c;\u4e8e\u662f\u76f4\u63a5\u5728\u754c\u9762\u4e0a\u4fee\u6539state\u4e2d\u7684body\u5b57\u6bb5&#xff0c;\u7136\u540e\u70b9\u51fb\u7ee7\u7eed\u3002Agent\u6536\u5230\u4fee\u6b63\u540e\u7684\u72b6\u6001&#xff0c;\u76f4\u63a5\u6267\u884c\u53d1\u9001\u3002\u8fd9\u5c31\u662f\u7f16\u8f91\u6a21\u5f0f\u7684\u6838\u5fc3\u4ef7\u503c&#xff1a;\u7ed9\u4eba\u7c7b\u201c\u7ea0\u9519\u6743\u201d&#xff0c;\u540c\u65f6\u4e0d\u7834\u574f\u6d41\u7a0b\u7684\u8fde\u8d2f\u6027\u3002<\/p>\n<p>\u75db\u70b9\u5206\u6790<\/p>\n<p>\u65b0\u624b\u5bf9LangGraph\u201c\u72b6\u6001\u201d\u7406\u89e3\u4e0d\u6df1&#xff0c;\u5bfc\u81f4\u7f16\u8f91\u53d8\u6210\u4e86\u201c\u65e0\u6548\u64cd\u4f5c\u201d\u3002\u6700\u7ecf\u5178\u7684\u9519\u8bef\u662f&#xff1a;\u5728\u8282\u70b9\u91cc\u628astate\u6253\u5370\u51fa\u6765&#xff0c;\u4eba\u7c7b\u770b\u5b8c\u540e\u53e3\u5934\u8bf4\u201c\u6539\u597d\u4e86\u201d&#xff0c;\u4f46\u4ee3\u7801\u91cc\u538b\u6839\u6ca1\u628a\u4fee\u6539\u540e\u7684\u503c\u5199\u56de\u72b6\u6001\u901a\u9053\u3002Graph resume\u540e\u76f4\u63a5\u5ffd\u7565\u4e86\u4eba\u7c7b\u7684\u4fee\u6539&#xff0c;\u7ee7\u7eed\u7528\u65e7\u6570\u636e\u5f80\u4e0b\u8dd1\u3002<\/p>\n<p>\u8fd8\u6709\u4e00\u79cd\u5371\u9669\u64cd\u4f5c&#xff1a;\u7ed5\u8fc7LangGraph\u7684\u72b6\u6001\u7ba1\u7406&#xff0c;\u76f4\u63a5\u6539\u6570\u636e\u5e93\u6216\u8005\u5168\u5c40\u53d8\u91cf&#xff0c;\u7136\u540eresume Graph\u3002\u4f60\u4ee5\u4e3a\u6539\u4e86&#xff0c;\u4f46Graph\u8bfb\u7684\u662f\u5185\u5b58\u91cc\u7684\u65e7\u5feb\u7167&#xff0c;\u4e24\u8fb9\u6570\u636e\u4e0d\u4e00\u81f4&#xff0c;\u4e0b\u6e38\u8282\u70b9\u76f4\u63a5\u61f5\u5708\u3002\u66f4\u79bb\u8c31\u7684\u662f\u7528\u5168\u5c40\u53d8\u91cf\u505aHack&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u9519\u8bef\u793a\u8303&#xff1a;\u5168\u5c40\u53d8\u91cf Hack<\/span><br \/>\nuser_fix <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">edit_node<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">global<\/span> user_fix<br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f53\u524d\u6807\u9898&#xff1a;&#034;<\/span><span class=\"token punctuation\">,<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;title&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> user_fix<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;title&#034;<\/span><span class=\"token punctuation\">:<\/span> user_fix<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>\u8fd9\u79cd\u5199\u6cd5\u72b6\u6001\u7ba1\u7406\u6781\u5176\u6df7\u4e71&#xff0c;\u800c\u4e14\u5728\u591a\u7ebf\u7a0b\u6216\u8005\u591a\u8bf7\u6c42\u73af\u5883\u4e0b&#xff0c;\u5168\u5c40\u53d8\u91cf\u4e92\u76f8\u8986\u76d6&#xff0c;\u540e\u679c\u4e0d\u582a\u8bbe\u60f3\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6848\u4e0e\u6b63\u786e\u505a\u6cd5<\/p>\n<p>LangGraph\u63d0\u4f9b\u4e86Command.UPDATE\u673a\u5236&#xff0c;\u8fd9\u662f\u7f16\u8f91\u6a21\u5f0f\u552f\u4e00\u7684\u6b63\u786e\u6253\u5f00\u65b9\u5f0f\u3002\u5f53Graph\u88abinterrupt\u540e&#xff0c;\u5916\u90e8\u7cfb\u7edf\u53ef\u4ee5\u901a\u8fc7Command(update&#061;&#8230;)\u6765\u7cbe\u786e\u66f4\u65b0\u6307\u5b9a\u7684\u72b6\u6001\u5b57\u6bb5&#xff0c;\u7136\u540e\u518dresume\u3002<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">draft_node<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    draft <span class=\"token operator\">&#061;<\/span> generate_draft<span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;topic&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u4e2d\u65ad\u5e76\u5c55\u793a\u8349\u7a3f&#xff0c;\u7b49\u5f85\u4eba\u7c7b\u4fee\u6539<\/span><br \/>\n    interrupt<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;draft&#034;<\/span><span class=\"token punctuation\">:<\/span> draft<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;hint&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u8bf7\u4fee\u6539\u4e0b\u65b9\u8349\u7a3f&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># resume\u540e&#xff0c;state\u4e2d\u7684draft\u5b57\u6bb5\u53ef\u80fd\u5df2\u88ab\u66f4\u65b0<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;final_draft&#034;<\/span><span class=\"token punctuation\">:<\/span> state<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;draft&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\"># \u5916\u90e8\u4ea4\u4e92\u5c42<\/span><br \/>\n<span class=\"token comment\"># 1. \u5148\u8fd0\u884c\u5230\u4e2d\u65ad\u70b9<\/span><br \/>\nstate_snapshot <span class=\"token operator\">&#061;<\/span> graph<span class=\"token punctuation\">.<\/span>get_state<span class=\"token punctuation\">(<\/span>config<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># 2. \u4eba\u7c7b\u5728UI\u4e0a\u4fee\u6539\u4e86draft\u5b57\u6bb5<\/span><br \/>\nhuman_draft <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u8fd9\u662f\u4eba\u5de5\u4f18\u5316\u540e\u7684\u7248\u672c&#xff0c;\u5df2\u4fee\u6b63\u6570\u636e&#8230;&#034;<\/span><\/p>\n<p><span class=\"token comment\"># 3. \u7528UPDATE\u6062\u590d&#xff0c;\u540c\u65f6\u6ce8\u5165\u65b0\u72b6\u6001<\/span><br \/>\ncommand <span class=\"token operator\">&#061;<\/span> Command<span class=\"token punctuation\">(<\/span>update<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;draft&#034;<\/span><span class=\"token punctuation\">:<\/span> human_draft<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> resume<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;ok&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ngraph<span class=\"token punctuation\">.<\/span>invoke<span class=\"token punctuation\">(<\/span>command<span class=\"token punctuation\">,<\/span> config<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u770b\u660e\u767d\u4e86\u5417&#xff1f;Command.UPDATE\u4e0d\u662f\u7b80\u5355\u5730\u201c\u7ee7\u7eed\u8dd1\u201d&#xff0c;\u800c\u662f\u5148\u6539\u5199\u72b6\u6001&#xff0c;\u518d\u6267\u884c\u540e\u7eed\u8282\u70b9\u3002\u8fd9\u4fdd\u8bc1\u4e86\u72b6\u6001\u7684\u5355\u4e00\u6765\u6e90\u3002\u800c\u4e14\u4f60\u53ef\u4ee5\u53ea\u66f4\u65b0\u90e8\u5206\u5b57\u6bb5&#xff0c;\u5176\u4ed6\u5b57\u6bb5\u4fdd\u6301\u539f\u6837\u4e0d\u53d7\u5f71\u54cd\u3002<\/p>\n<p>\u7f16\u8f91\u6a21\u5f0f\u8fd8\u6709\u4e2a\u8fdb\u9636\u73a9\u6cd5&#xff1a;\u7ed3\u5408Pydantic\u6a21\u578b\u505a\u5b57\u6bb5\u6821\u9a8c\u3002\u5728\u5141\u8bb8\u4eba\u7c7b\u7f16\u8f91\u524d&#xff0c;\u5148\u628a\u9700\u8981\u7f16\u8f91\u7684\u72b6\u6001\u5e8f\u5217\u5316\u6210\u5e26\u7c7b\u578b\u7684\u8868\u5355&#xff0c;\u4eba\u7c7b\u4fee\u6539\u63d0\u4ea4\u540e&#xff0c;\u5148\u6821\u9a8c\u7c7b\u578b\u518d\u6ce8\u5165Graph\u3002\u8fd9\u80fd\u9632\u6b62\u4eba\u7c7b\u8f93\u5165\u628a\u4e0b\u6e38\u8282\u70b9\u641e\u5d29\u3002\u6bd5\u7adf&#xff0c;\u7ed9\u4eba\u7c7b\u5f00\u7eff\u706f\u662f\u597d\u4e8b&#xff0c;\u4f46\u7eff\u706f\u4e5f\u8981\u6709\u4ea4\u901a\u89c4\u5219\u3002<\/p>\n<p>\u5c0f\u7ed3<\/p>\n<p>\u7f16\u8f91\u6a21\u5f0f\u662f\u6d41\u7a0b\u7684\u201c\u4eba\u5de5\u7ea0\u9519\u901a\u9053\u201d&#xff0c;\u6539\u7684\u662f\u6570\u636e&#xff0c;\u4fdd\u7684\u662f\u6d41\u7a0b\u3002\u7528Command.UPDATE\u5728\u89c4\u5219\u5185\u64cd\u4f5c&#xff0c;\u624d\u80fd\u771f\u6b63\u505a\u5230\u4e2d\u9014\u6539\u9053\u4e0d\u7ffb\u8f66\u3002<\/p>\n<hr \/>\n<p>3. \u53cd\u9988\u6a21\u5f0f&#xff1a;\u8ba9AI\u542c\u61c2\u4eba\u8bdd<\/p>\n<p>\u53cd\u9988\u6a21\u5f0f\u5173\u6ce8\u7684\u662f\u201c\u4e8b\u540e\u8bf8\u845b\u4eae\u201d\u548c\u201c\u4e8b\u4e2d\u6307\u5bfc\u201d\u3002\u5b83\u7684\u6838\u5fc3\u4e0d\u662f\u963b\u65ad\u6d41\u7a0b&#xff0c;\u800c\u662f\u8ba9Agent\u83b7\u5f97\u4eba\u7c7b\u7684\u8bc4\u4ef7\u4fe1\u53f7\u3002\u6bd4\u5982Agent\u56de\u7b54\u5b8c\u95ee\u9898&#xff0c;\u4eba\u7c7b\u70b9\u4e86\u4e2a\u201c\u4e0d\u6ee1\u610f\u201d&#xff1b;\u53c8\u6216\u8005Agent\u8d70\u5b8c\u6570\u636e\u5206\u6790\u6d41\u7a0b&#xff0c;\u4eba\u7c7b\u6807\u6ce8\u201c\u7b2c\u4e09\u6b65\u7684\u56fe\u8868\u7c7b\u578b\u9009\u5f97\u4e0d\u5bf9\u201d\u3002\u8fd9\u4e9b\u53cd\u9988\u4f1a\u88ab\u7ed3\u6784\u5316\u5730\u4fdd\u5b58&#xff0c;\u7528\u4e8e\u540e\u7eed\u7684\u5206\u6790\u3001Prompt\u4f18\u5316\u3001\u751a\u81f3\u6784\u5efaFew-shot\u793a\u4f8b\u5e93\u3002<\/p>\n<p>\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u4e3aAgent\u7684\u201c\u8425\u517b\u6db2\u201d\u2014\u2014\u559d\u5bf9\u4e86&#xff0c;\u8d8a\u7528\u8d8a\u806a\u660e&#xff1b;\u559d\u9519\u4e86&#xff0c;\u53ea\u662f\u5f92\u589e\u529f\u8017\u3002<\/p>\n<p>\u75db\u70b9\u5206\u6790<\/p>\n<p>\u5f88\u591a\u65b0\u624b\u628a\u53cd\u9988\u505a\u6210\u4e86\u201c\u4f2a\u9700\u6c42\u201d\u3002\u6700\u5178\u578b\u7684\u662f\u5728\u6d41\u7a0b\u7ed3\u5c3e\u793c\u8c8c\u6027\u5730\u95ee\u4e00\u53e5\u201c\u60a8\u6ee1\u610f\u5417&#xff1f;\u201d&#xff0c;\u7136\u540e\u7b54\u6848\u5f80\u65e5\u5fd7\u91cc\u4e00\u6254&#xff0c;\u518d\u4e5f\u6ca1\u4eba\u770b\u8fc7\u3002\u8fd9\u9664\u4e86\u6253\u6270\u7528\u6237&#xff0c;\u6ca1\u6709\u4efb\u4f55\u4ef7\u503c\u3002<\/p>\n<p>\u53e6\u4e00\u79cd\u9519\u8bef\u662f\u628a\u53cd\u9988\u8282\u70b9\u76f4\u63a5\u4e32\u5728\u4e3b\u6d41\u7a0b\u91cc&#xff0c;\u505a\u6210\u963b\u585e\u5f0f\u6536\u96c6\u3002\u7528\u6237\u4e0d\u586b\u53cd\u9988&#xff0c;\u6574\u4e2a\u6d41\u7a0b\u5c31\u5361\u6b7b\u5728\u90a3\u91cc&#xff0c;\u8fd4\u56de\u4e0d\u4e86\u7ed3\u679c\u3002\u8fd9\u5728API\u670d\u52a1\u91cc\u7b80\u76f4\u662f\u81ea\u6740\u884c\u4e3a\u3002<\/p>\n<p>\u66f4\u4e25\u91cd\u7684\u9519\u8bef\u662f\u53cd\u9988\u6570\u636e\u6ca1\u6709\u548c\u5177\u4f53\u6b65\u9aa4\u5173\u8054\u3002\u4f60\u62ff\u5230\u4e00\u53e5\u201c\u4e0d\u597d\u201d&#xff0c;\u4f46\u6839\u672c\u4e0d\u77e5\u9053\u54ea\u4e2a\u8282\u70b9\u51fa\u4e86\u95ee\u9898\u3001\u54ea\u4e2a\u7248\u672c\u7684Prompt\u5bfc\u81f4\u7684\u3001\u5f53\u65f6\u7684\u8f93\u5165\u4e0a\u4e0b\u6587\u662f\u4ec0\u4e48\u3002\u8fd9\u79cd\u53cd\u9988\u7b49\u4e8e\u96f6&#xff0c;\u540e\u7eed\u60f3\u505a\u4f18\u5316\u90fd\u65e0\u4ece\u8c08\u8d77\u3002<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">feedback_node<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u9519\u8bef\u793a\u8303&#xff1a;\u963b\u585e\u5f0f\u3001\u65e0\u7ed3\u6784\u53cd\u9988<\/span><br \/>\n    score <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">input<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8bf7\u6253\u52061-5&#xff1a;&#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;feedback&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u7528\u6237\u6253\u5206&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>score<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd9\u79cd\u5199\u6cd5&#xff0c;\u7b2c\u4e00&#xff0c;\u963b\u585e\u4e3b\u7ebf\u7a0b&#xff1b;\u7b2c\u4e8c&#xff0c;feedback\u662f\u4e2a\u65e0\u7ed3\u6784\u5b57\u7b26\u4e32&#xff0c;\u65e0\u6cd5\u88ab\u7a0b\u5e8f\u89e3\u6790&#xff1b;\u7b2c\u4e09&#xff0c;\u6ca1\u6709\u5173\u8054\u4efb\u4f55\u8282\u70b9ID\u6216\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6848\u4e0e\u6b63\u786e\u505a\u6cd5<\/p>\n<p>\u53cd\u9988\u5e94\u8be5\u8d70\u5f02\u6b65\u65c1\u8def\u6216\u540e\u7f6e\u5206\u652f\u3002\u5728LangGraph\u4e2d&#xff0c;\u4f60\u53ef\u4ee5\u5728\u4e3b\u6d41\u7a0b\u7684\u5173\u952e\u8282\u70b9\u540e&#xff0c;\u901a\u8fc7\u6761\u4ef6\u8fb9\u5c06\u53cd\u9988\u8def\u7531\u5230\u4e00\u4e2a\u72ec\u7acb\u7684\u201c\u53cd\u9988\u6536\u96c6\u201d\u5b50\u56fe&#xff0c;\u751a\u81f3\u53ef\u4ee5\u7528\u72ec\u7acb\u7684\u7ebf\u7a0b\u5f02\u6b65\u5904\u7406&#xff0c;\u786e\u4fdd\u4e0d\u963b\u585e\u4e3b\u4efb\u52a1\u8fd4\u56de\u3002<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">main_task<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    result <span class=\"token operator\">&#061;<\/span> do_task<span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;result&#034;<\/span><span class=\"token punctuation\">:<\/span> result<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">feedback_collector<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    feedback <span class=\"token operator\">&#061;<\/span> interrupt<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string\">&#034;type&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;structured_rating&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;content&#034;<\/span><span class=\"token punctuation\">:<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;result&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;step_id&#034;<\/span><span class=\"token punctuation\">:<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;current_step&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;question&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u8bf7\u5bf9\u7ed3\u679c\u8bc4\u5206\u5e76\u6307\u51fa\u95ee\u9898&#034;<\/span><br \/>\n    <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;feedback_record&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token string\">&#034;score&#034;<\/span><span class=\"token punctuation\">:<\/span> feedback<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;score&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;comment&#034;<\/span><span class=\"token punctuation\">:<\/span> feedback<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;comment&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;step_id&#034;<\/span><span class=\"token punctuation\">:<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;current_step&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;version&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;v2.1&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token string\">&#034;timestamp&#034;<\/span><span class=\"token punctuation\">:<\/span> now<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">learn_from_feedback<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    records <span class=\"token operator\">&#061;<\/span> state<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;feedback_record&#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 keyword\">if<\/span> records<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;score&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;needs_optimization&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean\">True<\/span><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>\u66f4\u91cd\u8981\u7684\u662f&#xff0c;\u53cd\u9988\u6570\u636e\u5fc5\u987b\u662f\u7ed3\u6784\u5316\u3001\u53ef\u8ffd\u8e2a\u3001\u53ef\u805a\u5408\u7684\u3002\u5173\u8054\u4e0astep_id\u3001node_name\u3001version\u548c\u8f93\u5165\u4e0a\u4e0b\u6587&#xff0c;\u8fd9\u6837\u540e\u7eed\u505aRAG\u68c0\u7d22\u6216\u8005\u6784\u5efaFew-shot\u793a\u4f8b\u65f6\u624d\u6709\u4ef7\u503c\u3002\u4f60\u53ef\u4ee5\u628a\u53cd\u9988\u8def\u7531\u5230\u4e00\u4e2a\u201c\u6301\u7eed\u6539\u8fdb\u201d\u7684\u5b50\u56fe&#xff0c;\u8ba9\u5b83\u81ea\u52a8\u5206\u6790\u9ad8\u9891\u5dee\u8bc4&#xff0c;\u52a8\u6001\u8c03\u6574\u63d0\u793a\u8bcd\u6a21\u677f\u3002<\/p>\n<p>\u53cd\u9988\u6a21\u5f0f\u7684\u9ad8\u7ea7\u7528\u6cd5\u662f\u6784\u5efa\u4eba\u5728\u56de\u8def\u4e2d\u7684\u4f18\u5316\u98de\u8f6e\u3002\u867d\u7136\u4e0d\u4e00\u5b9a\u76f4\u63a5\u8bad\u7ec3\u6a21\u578b&#xff0c;\u4f46\u53ef\u4ee5\u7528\u6536\u96c6\u5230\u7684\u7ed3\u6784\u5316\u53cd\u9988\u6784\u5efa\u4f18\u8d28\u793a\u4f8b\u5e93&#xff0c;\u5728\u540e\u7eed\u76f8\u4f3c\u8bf7\u6c42\u4e2d\u52a8\u6001\u6ce8\u5165\u5230Prompt\u91cc&#xff0c;\u8ba9Agent\u8d8a\u7528\u8d8a\u61c2\u7528\u6237\u7684\u53e3\u5473\u3002<\/p>\n<p>\u5c0f\u7ed3<\/p>\n<p>\u53cd\u9988\u662fAgent\u8fdb\u5316\u7684\u71c3\u6599&#xff0c;\u4f46\u5fc5\u987b\u662f\u9ad8\u6807\u53f7\u6c7d\u6cb9\u3002\u7ed3\u6784\u5316\u3001\u975e\u963b\u585e\u3001\u53ef\u8ffd\u6eaf&#xff0c;\u624d\u80fd\u8ba9\u53cd\u9988\u771f\u6b63\u6210\u4e3aAI\u6210\u957f\u7684\u517b\u5206\u3002<\/p>\n<hr \/>\n<p>4. \u5bf9\u8bdd\u6a21\u5f0f&#xff1a;\u591a\u8f6e\u8fc7\u62db\u8865\u5168\u4fe1\u606f<\/p>\n<p>\u5bf9\u8bdd\u6a21\u5f0f\u662f\u6700\u50cf\u201c\u4eba\u201d\u7684\u4ea4\u4e92\u65b9\u5f0f\u3002Agent\u4e0d\u662f\u5728\u67d0\u4e2a\u8282\u70b9\u7a81\u7136\u6253\u65ad\u4f60\u8bf4\u201c\u8bf7\u5ba1\u6279\u201d&#xff0c;\u800c\u662f\u5728\u53d1\u73b0\u4fe1\u606f\u4e0d\u8db3\u65f6&#xff0c;\u81ea\u7136\u5730\u95ee\u4f60&#xff1a;\u201c\u4f60\u521a\u624d\u8bf4\u7684\u2018\u90a3\u4e2a\u6587\u4ef6\u2019&#xff0c;\u662f\u6307A\u9879\u76ee\u7684\u9700\u6c42\u6587\u6863\u5417&#xff1f;\u201d\u6216\u8005\u201c\u4f60\u5e0c\u671b\u8fd9\u4efd\u603b\u7ed3\u8be6\u7ec6\u5230\u4ec0\u4e48\u7a0b\u5ea6&#xff1f;\u201d\u8fd9\u662f\u4e00\u79cd\u591a\u8f6e\u3001\u6e10\u8fdb\u5f0f\u3001\u6f84\u6e05\u5f0f\u7684\u4ea4\u4e92\u3002<\/p>\n<p>\u5b83\u7684\u6838\u5fc3\u4ef7\u503c\u5728\u4e8e&#xff1a;Agent\u4e0d\u9700\u8981\u4e00\u6b21\u6027\u62ff\u5230\u6240\u6709\u5b8c\u7f8e\u7684\u8f93\u5165&#xff0c;\u800c\u662f\u50cf\u8001\u4e2d\u533b\u95ee\u8bca\u4e00\u6837&#xff0c;\u901a\u8fc7\u51e0\u8f6e\u5bf9\u8bdd\u628a\u7f3a\u5931\u7684\u4fe1\u606f\u8865\u5168&#xff0c;\u7136\u540e\u56de\u53bb\u201c\u6293\u836f\u201d\u6267\u884c\u4efb\u52a1\u3002<\/p>\n<p>\u75db\u70b9\u5206\u6790<\/p>\n<p>\u65b0\u624b\u5b9e\u73b0\u5bf9\u8bdd\u6a21\u5f0f\u65f6&#xff0c;\u6700\u5bb9\u6613\u505a\u51fa\u201c\u4eba\u5de5\u667a\u969c\u201d\u3002\u8981\u4e48Agent\u6ca1\u6709\u201c\u8bb0\u5fc6\u201d&#xff0c;\u6bcf\u8f6e\u5bf9\u8bdd\u90fd\u5fd8\u4e86\u4e0a\u4e00\u8f6e\u8981\u5e72\u4ec0\u4e48&#xff1b;\u8981\u4e48\u5bf9\u8bdd\u6ca1\u6709\u201c\u76ee\u6807\u201d&#xff0c;\u95ee\u4e86\u4e00\u5708\u95f2\u8bdd&#xff0c;\u4e3b\u4efb\u52a1\u4e00\u70b9\u6ca1\u63a8\u8fdb\u3002<\/p>\n<p>\u6700\u7ecf\u5178\u7684\u6b7b\u5faa\u73af\u662f\u8fd9\u6837\u7684&#xff1a;Agent\u95ee\u4e00\u4e2a\u95ee\u9898&#xff0c;\u4eba\u7c7b\u56de\u7b54\u540e&#xff0c;Agent\u53d1\u73b0\u8fd8\u7f3a\u4fe1\u606f&#xff0c;\u4f46\u4ee3\u7801\u903b\u8f91\u6ca1\u5199\u597d&#xff0c;\u53c8\u9000\u56de\u540c\u4e00\u4e2a\u95ee\u9898&#xff0c;\u53d8\u6210\u590d\u8bfb\u673a\u3002\u7528\u6237\u6c14\u5f97\u60f3\u7838\u952e\u76d8\u3002<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">chat_node<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token comment\"># \u9519\u8bef\u793a\u8303&#xff1a;\u65e0\u72b6\u6001\u7ba1\u7406\u7684\u5faa\u73af\u5bf9\u8bdd<\/span><br \/>\n    user_msg <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">input<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8fd8\u6709\u4ec0\u4e48\u8981\u8865\u5145\u7684\u5417&#xff1f;&#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;messages&#034;<\/span><span class=\"token punctuation\">:<\/span> state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;messages&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token punctuation\">[<\/span>user_msg<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5982\u679c\u56fe\u7ed3\u6784\u91cc\u8fd9\u4e2a\u8282\u70b9\u540e\u9762\u76f4\u63a5\u63a5\u4e3b\u4efb\u52a1&#xff0c;\u6839\u672c\u4e0d\u68c0\u67e5\u4fe1\u606f\u662f\u5426\u5df2\u8865\u5168&#xff0c;\u7ed3\u679c\u5c31\u662f&#xff1a;\u4e3b\u4efb\u52a1\u4e00\u8dd1\u53d1\u73b0\u8fd8\u7f3a\u53c2\u6570&#xff0c;\u53c8interrupt\u56de\u6765\u95ee&#xff0c;\u9677\u5165\u65e0\u9650\u5faa\u73af\u3002\u7528\u6237\u611f\u89c9\u81ea\u5df1\u5728\u8ddf\u4e00\u53f0\u574f\u4e86\u7684\u81ea\u52a8\u5ba2\u670d\u8f83\u52b2\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6848\u4e0e\u6b63\u786e\u505a\u6cd5<\/p>\n<p>\u5bf9\u8bdd\u6a21\u5f0f\u5fc5\u987b\u57fa\u4e8e\u72b6\u6001\u673a\u548c**\u69fd\u4f4d\u586b\u5145&#xff08;Slot Filling&#xff09;**\u6765\u8bbe\u8ba1\u3002\u5728LangGraph\u4e2d&#xff0c;\u4f60\u9700\u8981\u4e00\u4e2a\u4e13\u95e8\u7684\u201c\u5bf9\u8bdd\u5b50\u56fe\u201d\u6765\u7ba1\u7406\u591a\u8f6e\u4ea4\u4e92&#xff0c;\u5e76\u7528\u6761\u4ef6\u8fb9\u5224\u65ad\u662f\u5426\u8fd8\u9700\u8981\u7ee7\u7eed\u5bf9\u8bdd\u3002<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">need_more_info<\/span><span class=\"token punctuation\">(<\/span>state<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;chat&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;execute&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    required_slots <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;date&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;department&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;metric&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    filled <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>s <span class=\"token keyword\">for<\/span> s <span class=\"token keyword\">in<\/span> required_slots <span class=\"token keyword\">if<\/span> state<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>filled<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>required_slots<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;chat&#034;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;execute&#034;<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">chat_node<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    missing <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>s <span class=\"token keyword\">for<\/span> s <span class=\"token keyword\">in<\/span> required_slots <span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> state<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    question <span class=\"token operator\">&#061;<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u8bf7\u63d0\u4f9b\u4ee5\u4e0b\u4fe1\u606f&#xff1a;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#039;, &#039;<\/span><span class=\"token punctuation\">.<\/span>join<span class=\"token punctuation\">(<\/span>missing<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><br \/>\n    response <span class=\"token operator\">&#061;<\/span> interrupt<span class=\"token punctuation\">(<\/span>question<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># \u89e3\u6790\u7528\u6237\u56de\u7b54&#xff0c;\u586b\u5145\u69fd\u4f4d<\/span><br \/>\n    updates <span class=\"token operator\">&#061;<\/span> parse_user_input<span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">,<\/span> missing<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> updates<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">execute_node<\/span><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;report&#034;<\/span><span class=\"token punctuation\">:<\/span> generate_report<span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token 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