{"id":44528,"date":"2025-06-19T09:28:05","date_gmt":"2025-06-19T01:28:05","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/44528.html"},"modified":"2025-06-19T09:28:05","modified_gmt":"2025-06-19T01:28:05","slug":"nodejs%e4%b8%adexpress%e6%a1%86%e6%9e%b6%e7%9a%84%e5%9f%ba%e6%9c%ac%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/44528.html","title":{"rendered":"nodejs\u4e2dExpress\u6846\u67b6\u7684\u57fa\u672c\u4f7f\u7528"},"content":{"rendered":"

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f5c\u4e3a Node.js \u751f\u6001\u4e2d\u7684\u4e3b\u6d41\u6846\u67b6，Express \u4ee5\u5176\u8f7b\u91cf\u9ad8\u6548\u7684\u7279\u70b9\u5e7f\u53d7\u5f00\u53d1\u8005\u9752\u7750\u3002\u5b66\u4e60\u8be5\u6846\u67b6\u80fd\u6709\u6548\u63d0\u9ad8\u7f16\u5199\u6548\u7387，\u7b80\u5316\u4ee3\u7801\u7ed3\u6784，\u4fbf\u4e8e\u7ef4\u62a4\u7b49\u3002\u4e0b\u9762\u5c06\u7b80\u5355\u4ecb\u7ecdexpress\u6846\u67b6\u7684\u4f7f\u7528\u3002<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e00\u3001Express \u6846\u67b6\u7b80\u4ecb\u200b<\/h2>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Express \u662f\u57fa\u4e8e Node.js \u5e73\u53f0\u7684\u6781\u7b80\u3001\u7075\u6d3b\u7684 Web \u5e94\u7528\u5f00\u53d1\u6846\u67b6，\u5b83\u4e3a Node.js \u63d0\u4f9b\u4e86\u4e00\u5957\u5f3a\u5927\u7684\u529f\u80fd，\u7528\u4e8e\u521b\u5efa Web \u5e94\u7528\u7a0b\u5e8f\u548c HTTP \u670d\u52a1\u5668\u3002Express \u6846\u67b6\u7684\u8bbe\u8ba1\u7406\u5ff5\u662f\u5c3d\u53ef\u80fd\u5730\u4fdd\u6301\u8f7b\u91cf\u7ea7，\u540c\u65f6\u53c8\u5177\u5907\u9ad8\u5ea6\u7684\u53ef\u6269\u5c55\u6027\u3002\u5b83\u4e0d\u5f3a\u5236\u7279\u5b9a\u7684\u4ee3\u7801\u7ed3\u6784\u6216\u5f00\u53d1\u6a21\u5f0f，\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u9879\u76ee\u9700\u6c42\u81ea\u7531\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\u548c\u65b9\u6cd5，\u8fd9\u4f7f\u5f97 Express \u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u62e5\u6709\u6781\u9ad8\u7684\u7075\u6d3b\u6027\u3002<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e8c\u3001\u5b89\u88c5 Express \u200b<\/h2>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u5f00\u59cb\u4f7f\u7528 Express \u4e4b\u524d，\u9996\u5148\u9700\u8981\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u4e86 Node.js\u3002Node.js \u81ea\u5e26\u4e86\u5305\u7ba1\u7406\u5de5\u5177 npm（Node Package Manager），\u901a\u8fc7 npm \u53ef\u4ee5\u65b9\u4fbf\u5730\u5b89\u88c5 Express \u53ca\u5176\u76f8\u5173\u4f9d\u8d56\u3002\u200b<\/p>\n

1\u3001\u521d\u59cb\u5316\u9879\u76ee：\u5728\u9879\u76ee\u76ee\u5f55\u4e0b，\u6267\u884cnpm init -y\u547d\u4ee4，\u5feb\u901f\u521d\u59cb\u5316\u4e00\u4e2apackage.json\u6587\u4ef6，\u8be5\u6587\u4ef6\u7528\u4e8e\u7ba1\u7406\u9879\u76ee\u7684\u4f9d\u8d56\u548c\u914d\u7f6e\u4fe1\u606f\u3002\u200b<\/p>\n

npm init -y\u200b <\/p>\n

2\u3001\u5b89\u88c5 Express：\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5 Express：\u200b<\/p>\n

npm install express\u200b<\/p>\n

cnpm install express \/\/\u8fd9\u4e2a\u4e5f\u53ef\u4ee5 <\/p>\n

3\u3001\u5b89\u88c5\u5b8c\u6210\u540e，\u5728\u9879\u76ee\u76ee\u5f55\u4e0b\u4f1a\u751f\u6210\u4e00\u4e2anode_modules\u6587\u4ef6\u5939，\u91cc\u9762\u5b58\u653e\u7740 Express \u53ca\u5176\u4f9d\u8d56\u7684\u5305，\u540c\u65f6\u5728package.json\u6587\u4ef6\u7684dependencies\u5b57\u6bb5\u4e2d\u4f1a\u6dfb\u52a0express\u7684\u76f8\u5173\u4fe1\u606f\u3002\u200b<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u5982\u4e0b\u56fe\u6240\u793a：<\/p>\n

\"\"<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e09\u3001\u521b\u5efa\u7b2c\u4e00\u4e2a Express \u5e94\u7528\u200b<\/h2>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5b89\u88c5\u597d Express \u540e，\u5c31\u53ef\u4ee5\u5f00\u59cb\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684 Express \u5e94\u7528\u4e86\u3002\u5728\u9879\u76ee\u76ee\u5f55\u4e0b，\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aapp.js（\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u6587\u4ef6\u540d，\u6211\u73b0\u5728\u4e60\u60ef\u7528\u8fd9\u4e2a\u4e86）\u7684\u6587\u4ef6，\u7f16\u5199\u4ee5\u4e0b\u4ee3\u7801：\u200b<\/p>\n<\/p>\n

const express = require('express') \/\/\u52a0\u8f7dexpress\u6a21\u5757<\/p>\n

let app = express(); \/\/\u521b\u5efa\u670d\u52a1\u5668，\u76f8\u5f53\u4e8e let server = http.createServer();
\napp.get('\/',function(req,res){ \/\/\u8bbe\u7f6e\u8bf7\u6c42，\u5f53\u8bf7\u6c42\u8def\u5f84\u4e3a\/(?\u4e4b\u524d\u7684)\u65f6\u53d1\u9001\u54cd\u5e94(\u7528send\u53d1\u9001，\u7c7b\u578b\u4f1a\u81ea\u52a8\u8bbe\u7f6e\u7684)
\n res.send('hello express!!');
\n})
\napp.use('\/public\/',express.static('.\/public')); \/\/\u8bbe\u7f6e\u9759\u6001\u8d44\u6e90\u83b7\u53d6，\u5f53\u8bf7\u6c42\u8def\u5f84\u4ee5\/public\/\u5f00\u5934\u65f6，\u5c31\u4f1a\u83b7\u53d6\u5f00\u653e\u7684public\u76ee\u5f55\u4e2d\u7684\u6240\u6709\u9700\u8981\u7684\u9759\u6001\u8d44\u6e90,\u4f1a\u81ea\u52a8\u8bbe\u7f6e\u53d1\u9001\u54cd\u5e94
\napp.get('\/apple',function(req,res){
\n console.log(req.query); \/\/\u53ef\u4ee5\u7528req.query\u6765\u83b7\u53d6\u8bf7\u6c42\u8def\u5f84?\u4e4b\u540e\u7684\u53c2\u6570\u5bf9\u8c61，\u6ce8\u610f\u53ea\u80fd\u62ff\u5230get\u8bf7\u6c42\u7684\u53c2\u6570
\n res.send('apple');
\n})<\/p>\n

app.listen(3000,function(){ \/\/\u542f\u52a8\u670d\u52a1\u5668
\n console.log('running~~');
\n}) <\/p>\n

\u200b<\/p>\n

\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d：\u200b<\/p>\n

  • \u9996\u5148\u901a\u8fc7require('express')\u5f15\u5165 Express \u6a21\u5757，\u5e76\u521b\u5efa\u4e00\u4e2a Express \u5e94\u7528\u5b9e\u4f8bapp\u3002\u200b<\/li>\n
  • \u7136\u540e\u6307\u5b9a\u670d\u52a1\u5668\u76d1\u542c\u7684\u7aef\u53e3\u53f7\u4e3a3000\u3002\u200b<\/li>\n
  • \u4f7f\u7528app.get()\u65b9\u6cd5\u5b9a\u4e49\u4e86\u4e00\u4e2a\u8def\u7531，\u8be5\u8def\u7531\u5904\u7406\u9488\u5bf9\u6839\u8def\u5f84（\/）\u7684GET\u8bf7\u6c42\u3002\u5f53\u5ba2\u6237\u7aef\u53d1\u9001GET\u8bf7\u6c42\u5230\u6839\u8def\u5f84\u65f6，\u670d\u52a1\u5668\u4f1a\u8fd4\u56deHello, Express!\u3002\u200b<\/li>\n
  • \u6700\u540e\u8c03\u7528app.listen()\u65b9\u6cd5\u542f\u52a8\u670d\u52a1\u5668，\u5f00\u59cb\u76d1\u542c\u6307\u5b9a\u7684\u7aef\u53e3，\u5e76\u5728\u63a7\u5236\u53f0\u8f93\u51fa\u670d\u52a1\u5668\u8fd0\u884c\u7684\u5730\u5740\u3002\u200b<\/li>\n

    \u5728\u547d\u4ee4\u884c\u4e2d，\u8fdb\u5165\u9879\u76ee\u76ee\u5f55，\u6267\u884cnode app.js\u547d\u4ee4\u542f\u52a8\u670d\u52a1\u5668，\u7136\u540e\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95eehttp:\/\/localhost:3000\u00a0\u6216 127.0.0.1:3000，\u5373\u53ef\u770b\u5230\u9875\u9762\u4e0a\u663e\u793aHello, Express!\u3002\u200b<\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u56db\u3001\u8def\u7531\u57fa\u7840\u200b<\/h2>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8def\u7531\u662f Express \u5e94\u7528\u7684\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00，\u5b83\u8d1f\u8d23\u5b9a\u4e49\u5e94\u7528\u5982\u4f55\u54cd\u5e94\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u4e0d\u540c\u8bf7\u6c42\u3002\u8def\u7531\u7531\u8bf7\u6c42\u7684 HTTP \u65b9\u6cd5（\u5982GET\u3001POST\u3001PUT\u3001DELETE\u7b49）\u3001\u8bf7\u6c42\u7684 URL \u8def\u5f84\u4ee5\u53ca\u5904\u7406\u8bf7\u6c42\u7684\u56de\u8c03\u51fd\u6570\u7ec4\u6210\u3002\u200b<\/p>\n

    （\u4e00）\u5e38\u89c1\u7684\u8def\u7531\u65b9\u6cd5\u200b<\/h3>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\u3001app.get()：\u7528\u4e8e\u5904\u7406GET\u8bf7\u6c42，\u901a\u5e38\u7528\u4e8e\u83b7\u53d6\u8d44\u6e90\u3002\u4f8b\u5982：\u200b<\/p>\n

    \u200b<\/p>\n

    app.get('\/users', (req, res) => {\u200b<\/p>\n

    \/\/ \u5047\u8bbe\u8fd9\u91cc\u4ece\u6570\u636e\u5e93\u83b7\u53d6\u7528\u6237\u5217\u8868\u200b<\/p>\n

    const users = [\u200b<\/p>\n

    { id: 1, name: "Alice" },\u200b<\/p>\n

    { id: 2, name: "Bob" }\u200b<\/p>\n

    ];\u200b<\/p>\n

    res.json(users);\u200b<\/p>\n

    });\u200b <\/p>\n

    \u200b<\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e0a\u8ff0\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5904\u7406\/users\u8def\u5f84\u7684GET\u8bf7\u6c42\u7684\u8def\u7531，\u5f53\u5ba2\u6237\u7aef\u8bf7\u6c42\u8be5\u8def\u5f84\u65f6，\u670d\u52a1\u5668\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u7528\u6237\u5217\u8868\u7684 JSON \u6570\u636e\u3002\u200b<\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\u3001app.post()：\u7528\u4e8e\u5904\u7406POST\u8bf7\u6c42，\u5e38\u7528\u4e8e\u63d0\u4ea4\u6570\u636e，\u5982\u521b\u5efa\u65b0\u8d44\u6e90\u3002\u4f8b\u5982：\u200b<\/p>\n

    \u200b<\/p>\n

    app.post('\/users', (req, res) => {\u200b<\/p>\n

    \/\/ \u5047\u8bbe\u8fd9\u91cc\u63a5\u6536\u5ba2\u6237\u7aef\u63d0\u4ea4\u7684\u7528\u6237\u6570\u636e\u5e76\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u200b<\/p>\n

    const newUser = req.body;\u200b<\/p>\n

    \/\/ \u6a21\u62df\u4fdd\u5b58\u7528\u6237\u6570\u636e\u7684\u64cd\u4f5c\u200b<\/p>\n

    console.log('Received new user:', newUser);\u200b<\/p>\n

    res.status(201).send('User created successfully');\u200b<\/p>\n

    });\u200b <\/p>\n

    \u200b<\/p>\n

    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d，\u5f53\u5ba2\u6237\u7aef\u901a\u8fc7POST\u65b9\u6cd5\u5411\/users\u8def\u5f84\u53d1\u9001\u6570\u636e\u65f6，\u670d\u52a1\u5668\u4f1a\u63a5\u6536\u6570\u636e，\u5e76\u5728\u63a7\u5236\u53f0\u6253\u5370\u63a5\u6536\u5230\u7684\u65b0\u7528\u6237\u4fe1\u606f，\u7136\u540e\u8fd4\u56de\u4e00\u4e2a\u8868\u793a\u521b\u5efa\u6210\u529f\u7684\u54cd\u5e94\u3002\u200b<\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03\u3001app.put()：\u7528\u4e8e\u5904\u7406PUT\u8bf7\u6c42，\u4e00\u822c\u7528\u4e8e\u66f4\u65b0\u8d44\u6e90\u3002\u200b<\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04\u3001app.delete()：\u7528\u4e8e\u5904\u7406DELETE\u8bf7\u6c42，\u7528\u4e8e\u5220\u9664\u8d44\u6e90\u3002\u200b<\/p>\n

    （\u4e8c）\u8def\u7531\u53c2\u6570\u200b<\/h3>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u9664\u4e86\u56fa\u5b9a\u7684\u8def\u5f84，Express \u8fd8\u652f\u6301\u5728\u8def\u7531\u4e2d\u4f7f\u7528\u53c2\u6570，\u4ee5\u4fbf\u52a8\u6001\u5730\u5904\u7406\u4e0d\u540c\u7684\u8bf7\u6c42\u3002\u4f8b\u5982：\u200b<\/p>\n

    \u200b<\/p>\n

    app.get('\/users\/:id', (req, res) => {\u200b<\/p>\n

    const userId = req.params.id;\u200b<\/p>\n

    \/\/ \u5047\u8bbe\u8fd9\u91cc\u6839\u636euserId\u4ece\u6570\u636e\u5e93\u83b7\u53d6\u5355\u4e2a\u7528\u6237\u200b<\/p>\n

    const user = { id: userId, name: "John" };\u200b<\/p>\n

    res.json(user);\u200b<\/p>\n

    });\u200b <\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\/:id\u662f\u4e00\u4e2a\u8def\u7531\u53c2\u6570，id\u662f\u53c2\u6570\u7684\u540d\u79f0\u3002\u5f53\u5ba2\u6237\u7aef\u8bf7\u6c42\u7c7b\u4f3c\/users\/1\u8fd9\u6837\u7684\u8def\u5f84\u65f6，1\u4f1a\u88ab\u8d4b\u503c\u7ed9req.params.id，\u670d\u52a1\u5668\u53ef\u4ee5\u6839\u636e\u8fd9\u4e2a\u53c2\u6570\u503c\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n

    （\u4e09）post\u8bf7\u6c42\u4f53\u7684\u83b7\u53d6<\/h3>\n

    \u5982\u679c\u8bf7\u6c42\u65f6get\u8bf7\u6c42，\u5219\u53ef\u4ee5\u901a\u8fc7req.query\u6765\u83b7\u53d6\u53c2\u6570\u6240\u7ec4\u6210\u7684\u5bf9\u8c61，\u8fdb\u800c\u5904\u7406\u8bf7\u6c42，\u4f46post\u7684\u8bf7\u6c42\u4f53express\u6ca1\u6709\u63d0\u4f9b\u76f4\u63a5\u83b7\u53d6\u8bf7\u6c42\u4f53\u7684\u65b9\u5f0f，\u4e0b\u9762\u4f7f\u7528body-parser\u7b2c\u4e09\u65b9\u5305\u6765\u83b7\u53d6post\u8bf7\u6c42\u4f53\u3002<\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 1\u3001\u5b89\u88c5body-parser<\/p>\n

    npm install body-parser \/\/\u5728\u63a7\u5236\u53f0\u8f93\u5165 <\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 2\u3001\u914d\u7f6ebody-parser<\/p>\n

    app.use(bodyParser.urlencoded({extended:false})) \/\/\u914d\u7f6e\u5728express\u91cc\u9762\u4f7f\u7528body-parser
    \napp.use(bodyParser.json()) <\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 \u914d\u7f6e\u597d\u540e\u53ef\u4ee5\u4f7f\u7528req.body\u6765\u83b7\u53d6post\u8bf7\u6c42\u7684\u8bf7\u6c42\u5934<\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 3\u3001\u7b80\u5355\u6837\u4f8b<\/p>\n

    const bodyParser = require('body-parser') \/\/\u8fd9\u91cc\u9700\u8981\u5f15\u5305
    \nconst express = require('express')<\/p>\n

    let app = express();
    \n\/\/\u914d\u7f6e
    \napp.engine('html',require('express-art-template')) \/\/\u914d\u7f6e\u5728express\u91cc\u9762\u4f7f\u7528art-template
    \napp.use(bodyParser.urlencoded({extended:false})) \/\/\u914d\u7f6e\u5728express\u91cc\u9762\u4f7f\u7528body-parser
    \napp.use(bodyParser.json())<\/p>\n

    \/\/\u5f53\u4ee5post\u7c7b\u578b\u53d1\u9001\/post\u7684\u8bf7\u6c42\u65f6\u4f7f\u7528
    \napp.post('\/post',function(req,res){
    \n res.send(req.body) \/\/req\u7684body\u53c2\u6570\u91cc\u9762\u8bb0\u5f55\u4e86post\u8bf7\u6c42\u7684\u8bf7\u6c42\u4f53
    \n})<\/p>\n

    \/\/\u5f53\u4ee5get\u7c7b\u578b\u53d1\u9001\/post\u7684\u8bf7\u6c42\u65f6\u4f7f\u7528
    \napp.get('\/post',function(req,res){
    \n res.render('demo02.html',{
    \n name:'\u5f20*3===\u5f20\u4e09===\u4e09\u5f20',
    \n content:'hello world'
    \n })
    \n})<\/p>\n

    app.listen(3000,function(){
    \n console.log("running…")
    \n}) <\/p>\n

    \u4e94\u3001\u5728express\u91cc\u9762\u4f7f\u7528art-template\u6a21\u677f\u5f15\u64ce<\/h2>\n

    \u00a0 \u00a0 \u00a0 \u00a0 （\u4e00）\u5b89\u88c5\u548c\u914d\u7f6e<\/h3>\n

    \/\/\u5728express\u4e2d\u4f7f\u7528art-template
    \n\/\/\u5b89\u88c5 npm install –save art-template express-art-template
    \n\/\/\u914d\u7f6e app.engine('html',require('express-art-template')) <\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 （\u4e8c）\u4f7f\u7528art-template<\/h3>\n

    \u00a0 \u00a0 \u00a0 \u00a0 express-art-template\u7b2c\u4e09\u65b9\u5305\u4e3anodejs\u63d0\u4f9b\u4e86\u4e00\u4e2arender\u65b9\u6cd5，\u901a\u8fc7response\u8c03\u7528，\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3aviews\u76ee\u5f55\u4e0b\u7684\u89c6\u56fe(\u5982\u679c\u4f7f\u7528art-template，\u8981\u628ahtml\u6a21\u677f\u653e\u5230views\u76ee\u5f55\u4e0b)，\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u8981\u4f20\u5165\u7684\u6570\u636e\u5bf9\u8c61\u3002<\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 \u793a\u4f8b：<\/p>\n

    const express = require('express')<\/p>\n

    let app = express();
    \n \/\/art
    \napp.engine('html',require('express-art-template')) \/\/\u914d\u7f6e，\u4f7f\u5728express\u91cc\u9762\u53ef\u4ee5\u4f7f\u7528art-template,\u7b2c\u4e00\u4e2a\u53c2\u6570\u8868\u793a\u5f53\u4ee5\u8be5\u53c2\u6570\u503c\u4e3a\u62d3\u5c55\u540d\u65f6\u4f1a\u4f7f\u7528art-template\u6a21\u677f\u5f15\u64ce<\/p>\n

    app.get('\/',function(req,res){ \/\/express\u4e3aresponse\u63d0\u4f9b\u4e86\u4e00\u4e2arender\u65b9\u6cd5，\u5f53\u4f7f\u7528\u6a21\u677f\u5f15\u64ce\u65f6\u53ef\u4ee5\u4f7f\u7528，\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3aviews\u76ee\u5f55\u91cc\u9762\u7684\u6a21\u677f\u6587\u4ef6，\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u8981\u4f20\u9012\u7684\u5bf9\u8c61
    \n res.render('demo01.html',{
    \n name:'\u5f20\u4e09',
    \n age:18
    \n })
    \n})<\/p>\n

    app.listen(3000,function(){
    \n console.log('running…')
    \n}) <\/p>\n

    \u4ee3\u7801\u6587\u4ef6\u7ed3\u6784：<\/p>\n

    \"\"<\/p>\n

    \u516d\u3001\u8bbe\u7f6e\u9759\u6001\u8d44\u6e90<\/h2>\n

    \u00a0 \u00a0 \u00a0 \u00a0 \u4e3b\u8981\u4ee3\u7801\u5982\u4e0b：<\/p>\n

    app.use('\/public\/',express.static('.\/public')); <\/p>\n

    \u610f\u601d\u662f\u5f53\u8bf7\u6c42\u8def\u5f84\u4ee5\/public\/\u65f6\u4f1a\u9ed8\u8ba4\u5230.\/public\u76ee\u5f55\u91cc\u9762\u53bb\u5bfb\u627e\u9700\u8981\u7684\u8d44\u6e90，\u627e\u5230\u8d44\u6e90\u540e\u4f1a\u81ea\u52a8\u53d1\u9001\u5bf9\u5e94\u7684\u54cd\u5e94，\u2018\/public\/\u2019\u662f\u53ef\u4ee5\u8fdb\u884c\u66f4\u6362\u7684，\u5e76\u4e0d\u662f\u56fa\u5b9a\u503c，\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u66f4\u6362\u3002<\/p>\n

    \u00a0 \u00a0 \u00a0 \u00a0 \u793a\u4f8b：<\/p>\n

    const express = require('express');<\/p>\n

    let app = express();<\/p>\n

    \/\/app.use('\/public\/',express.static('.\/public')); \/\/\u8bbe\u7f6e\u9759\u6001\u8d44\u6e90\u83b7\u53d6，\u5f53\u8bf7\u6c42\u8def\u5f84\u4ee5\/public\/\u5f00\u5934\u65f6，\u5c31\u4f1a\u83b7\u53d6\u5f00\u653e\u7684public\u76ee\u5f55\u4e2d\u7684\u6240\u6709\u9700\u8981\u7684\u9759\u6001\u8d44\u6e90(.\/public\/….),\u4f1a\u81ea\u52a8\u8bbe\u7f6e\u53d1\u9001\u54cd\u5e94
    \napp.use('\/a\/',express.static('.\/public')) \/\/\u8bbe\u7f6e\u9759\u6001\u8d44\u6e90，\u5f53\u8bf7\u6c42\u8def\u5f84\u4ee5\/a\/\u5f00\u5934\u65f6，\u5c31\u4f1a\u83b7\u53d6\u5f00\u653e\u7684public\u76ee\u5f55\u4e2d\u7684\u6240\u6709\u9700\u8981\u7684\u9759\u6001\u8d44\u6e90(.\/public\/….)…\u4e3a\/a\/\u540e\u9762\u7684\u8def\u5f84,\u4f1a\u81ea\u52a8\u8bbe\u7f6e\u53d1\u9001\u54cd\u5e94
    \n\/\/app.use(express.static('.\/public')); \/\/\u8bbe\u7f6e\u9759\u6001\u8d44\u6e90，\u548c\u4e0a\u9762\u7684\u533a\u522b\u5c31\u662f\u53d1\u9001\u7684\u8bf7\u6c42\u8def\u5f84\u91cc\u9762\u4e0d\u80fd\u518d\u5e26\u6709\/public\u4e86
    \napp.get('\/',function(req,res){
    \n res.send('hello');
    \n})<\/p>\n

    app.listen(3001,function(){
    \n console.log('running…')
    \n}) <\/p>\n

    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4e03\u3001\u603b\u7ed3<\/h2>\n

    \u00a0 \u00a0 \u00a0 \u00a0 \u672c\u5468\u628aexpress\u8fdb\u884c\u7684\u5927\u6982\u7684\u5b66\u4e60，\u540c\u65f6\u8fd8\u5b66\u4e60\u4e86\u5982\u4f55\u5728nodejs\u91cc\u9762\u4f7f\u7528mongodb\u6570\u636e\u5e93，\u7b97\u5f97\u4e0a\u5145\u5b9e，\u4e0b\u5468\u5f00\u59cb\u590d\u4e60\u5468\u4e86，\u52aa\u529b\u628a\u5b66\u4e60\u641e\u597d，\u4e89\u53d6\u4e00\u95e8\u4e0d\u6302，(\u0e07 \u2022_\u2022)\u0e07<\/p>\n","protected":false},"excerpt":{"rendered":"

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