{"id":854,"date":"2026-10-21T14:07:25","date_gmt":"2026-10-21T06:07:25","guid":{"rendered":"https:\/\/mitongxue.cn\/?p=854"},"modified":"2026-10-21T14:07:25","modified_gmt":"2026-10-21T06:07:25","slug":"%e6%9c%80%e7%ae%80%e5%8d%95%e7%9a%84agent","status":"publish","type":"post","link":"https:\/\/mitongxue.cn\/index.php\/2026\/10\/21\/%e6%9c%80%e7%ae%80%e5%8d%95%e7%9a%84agent\/","title":{"rendered":"\u6700\u7b80\u5355\u7684Agent"},"content":{"rendered":"\n

\u73a9\u5177\u7248\uff1a<\/p>\n\n\n\n

\u9879\u76ee\u76ee\u5f55\u548c\u6587\u4ef6\u5185\u5bb9\u5982\u4e0b\uff1a
\u251c\u2500\u2500 index.js
\u251c\u2500\u2500 tools.js
\u251c\u2500\u2500 package.json
\u251c\u2500\u2500 .env.example
\u251c\u2500\u2500 README.md
\u251c\u2500\u2500 node_modules\\ (37 \u4e2a\u4f9d\u8d56\u5305)
\u2514\u2500\u2500 package-lock.json<\/p>\n\n\n\n

index.js<\/code><\/strong> \u2014 Agent \u4e3b\u5faa\u73af\uff1a<\/p>\n\n\n\n

import OpenAI from 'openai';\nimport readline from 'node:readline';\nimport { toOpenAITools, runTool } from '.\/tools.js';\n\nconst client = new OpenAI({\n  apiKey: process.env.OPENAI_API_KEY,\n  baseURL: process.env.OPENAI_BASE_URL, \/\/ \u53ef\u9009\uff0c\u517c\u5bb9 Kimi\/DeepSeek \u7b49\n});\n\nconst MODEL = process.env.MODEL || 'gpt-4o-mini';\nconst MAX_ROUNDS = 10; \/\/ \u5355\u8f6e\u63d0\u95ee\u4e2d\u6700\u591a\u5141\u8bb8\u7684\u5de5\u5177\u8c03\u7528\u8f6e\u6570\uff0c\u9632\u6b62\u6b7b\u5faa\u73af\n\nconst systemPrompt = '\u4f60\u662f\u4e00\u4e2a\u4e50\u4e8e\u52a9\u4eba\u7684\u667a\u80fd\u52a9\u624b\uff0c\u53ef\u4ee5\u4f7f\u7528\u5de5\u5177\u6765\u56de\u7b54\u7528\u6237\u95ee\u9898\u3002';\n\nasync function chat(history, userInput) {\n  history.push({ role: 'user', content: userInput });\n\n  for (let round = 0; round < MAX_ROUNDS; round++) {\n    const resp = await client.chat.completions.create({\n      model: MODEL,\n      messages: history,\n      tools: toOpenAITools(),\n    });\n    const msg = resp.choices[0].message;\n    history.push(msg);\n\n    \/\/ \u6ca1\u6709\u5de5\u5177\u8c03\u7528 \u2192 \u5f97\u5230\u6700\u7ec8\u56de\u7b54\n    if (!msg.tool_calls?.length) {\n      return msg.content;\n    }\n\n    \/\/ \u6267\u884c\u6240\u6709\u5de5\u5177\u8c03\u7528\uff0c\u628a\u7ed3\u679c\u585e\u56de\u5bf9\u8bdd\n    for (const call of msg.tool_calls) {\n      const result = await runTool(call.function.name, call.function.arguments);\n      console.log(`  [tool] ${call.function.name}(${call.function.arguments}) \u2192 ${result}`);\n      history.push({ role: 'tool', tool_call_id: call.id, content: result });\n    }\n  }\n  return '\uff08\u5de5\u5177\u8c03\u7528\u6b21\u6570\u8fc7\u591a\uff0c\u5df2\u505c\u6b62\uff09';\n}\n\nasync function main() { \/* \u547d\u4ee4\u884c\u4ea4\u4e92\u5faa\u73af\uff0c\u8f93\u5165 exit \u9000\u51fa *\/ }\nmain();\n<\/code><\/pre>\n\n\n\n
<\/p>\n\n\n\n
tools.js<\/code><\/strong> \u2014 \u5185\u7f6e 3 \u4e2a\u5de5\u5177\uff08\u622a\u53d6\u5173\u952e\u90e8\u5206\uff09\uff1a<\/p>\n\n\n\n
export const tools = [ \n { \n   name: 'get_current_time', \n   description: '\u83b7\u53d6\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4',    \n   parameters: { type: 'object', properties: {} },    \nasync execute() { \n   return new Date().toLocaleString('zh-CN', ...); \n} \n},  \n{ \n    name: 'calculator', description: '\u8ba1\u7b97\u4e00\u4e2a\u6570\u5b66\u8868\u8fbe\u5f0f',    \n    parameters: { ..., properties: { expression: { type: 'string' } } },    \n    async execute({ expression }) { ... } },  \n   { name: 'read_file', description: '\u8bfb\u53d6\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u4e0b\u67d0\u4e2a\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9',     \n    parameters: { ..., properties: { filePath: { type: 'string' } } },    \n    async execute({ filePath }) { ... } },\n];<\/code><\/pre>\n\n\n\n
<\/p>\n\n\n\n
Agent \u7684\u6838\u5fc3\u786e\u5b9e\u5c31\u662f\u4e00\u4e2a\u5faa\u73af\uff0c\u8fd9\u4e0d\u662f\u5077\u61d2\uff0c\u8fd9\u5c31\u662f\u4e8b\u5b9e\u3002\u4e1a\u754c\u628a Agent \u5b9a\u4e49\u4e3a “LLM + tools + loop”\uff1a\u6a21\u578b\u51b3\u5b9a\u4e0b\u4e00\u6b65\u52a8\u4f5c \u2192 \u6267\u884c \u2192 \u89c2\u5bdf\u7ed3\u679c \u2192 \u518d\u51b3\u5b9a\uff0c\u76f4\u5230\u4efb\u52a1\u5b8c\u6210\u3002Claude Code\u3001Cursor\u3001Devin \u8fd9\u4e9b\u770b\u8d77\u6765\u5f88\u5f3a\u5927\u7684 Agent\uff0c\u9aa8\u67b6\u4e5f\u90fd\u662f\u8fd9\u4e2a\u5faa\u73af\u3002<\/p>\n\n\n\n
\u771f\u6b63\u7684\u5dee\u8ddd\u4e0d\u5728\u5faa\u73af\u672c\u8eab\uff0c\u800c\u5728\u56f4\u7ed5\u5faa\u73af\u7684\u90a3\u4e00\u5c42\u5de5\u7a0b<\/strong>\uff1a<\/p>\n\n\n\n
\u7ef4\u5ea6<\/th>\u73a9\u5177\u7248\uff08\u73b0\u5728\u8fd9\u4e2a\u9879\u76ee\uff09<\/th>\u751f\u4ea7\u7ea7 Agent<\/th><\/tr><\/thead>
\u5de5\u5177<\/td>3 \u4e2a\u672c\u5730\u51fd\u6570<\/td>\u51e0\u5341\u4e2a\u5de5\u5177 + \u6743\u9650\u63a7\u5236 + \u7ed3\u679c\u622a\u65ad<\/td><\/tr>
\u8bb0\u5fc6<\/td>\u65e0\u9650\u5806\u79ef\u7684\u5bf9\u8bdd\u5386\u53f2<\/td>\u4e0a\u4e0b\u6587\u538b\u7f29\u3001\u957f\u671f\u8bb0\u5fc6\u3001\u5411\u91cf\u68c0\u7d22<\/td><\/tr>
\u89c4\u5212<\/td>\u6a21\u578b\u5373\u5174\u53d1\u6325<\/td>\u663e\u5f0f\u7684 TODO\/plan \u6b65\u9aa4\u3001\u5b50\u4efb\u52a1\u5206\u89e3<\/td><\/tr>
\u5065\u58ee\u6027<\/td>try\/catch \u6253\u65e5\u5fd7<\/td>\u91cd\u8bd5\u3001\u8d85\u65f6\u3001token \u9884\u7b97\u3001\u5faa\u73af\u68c0\u6d4b<\/td><\/tr>
\u8f93\u51fa<\/td>\u7b49\u6700\u7ec8\u7ed3\u679c<\/td>\u6d41\u5f0f\u8f93\u51fa\u3001\u53ef\u4e2d\u65ad\u3001\u4eba\u673a\u534f\u4f5c\u786e\u8ba4<\/td><\/tr>
\u67b6\u6784<\/td>\u5355 Agent<\/td>\u591a Agent \u5206\u5de5\uff08\u89c4\u5212\u8005\/\u6267\u884c\u8005\/\u8bc4\u5ba1\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u6240\u4ee5\u8fd9\u4e2a”\u7b80\u5355”\u7248\u672c\u7684\u4ef7\u503c\u5728\u4e8e\uff1a\u5b83\u5df2\u7ecf\u662f\u771f Agent \u4e86<\/strong>\uff0c\u80fd\u771f\u5b9e\u5b8c\u6210”\u73b0\u5728\u51e0\u70b9\u2192\u67e5\u65f6\u95f4\u2192\u56de\u7b54”\u8fd9\u79cd\u5de5\u5177\u9a71\u52a8\u7684\u4efb\u52a1\uff0c\u53ea\u662f\u6ca1\u6709\u4e0a\u9762\u90a3\u4e9b\u589e\u5f3a\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u73a9\u5177\u7248\uff1a \u9879\u76ee\u76ee\u5f55\u548c\u6587\u4ef6\u5185\u5bb9\u5982\u4e0b\uff1a\u251c\u2500\u2500 inde..<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27,18],"tags":[66],"class_list":["post-854","post","type-post","status-publish","format-standard","hentry","category-ai","category-nodejs","tag-agent"],"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"author_info":{"info":["\u9648 \u67d0\u4eba"]},"category_info":"AI<\/a> NodeJS<\/a>","tag_info":"NodeJS","comment_count":"0","_links":{"self":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/comments?post=854"}],"version-history":[{"count":1,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/854\/revisions"}],"predecessor-version":[{"id":855,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/854\/revisions\/855"}],"wp:attachment":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/media?parent=854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/categories?post=854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/tags?post=854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}