{"id":6258,"date":"2025-06-02T13:41:35","date_gmt":"2025-06-04T06:36:34","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6258"},"modified":"2025-06-04T13:41:35","modified_gmt":"2025-06-04T06:36:34","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8node-js%e4%b8%ad%e7%9a%84express%e6%a1%86%e6%9e%b6","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/node-js\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8node-js%e4%b8%ad%e7%9a%84express%e6%a1%86%e6%9e%b6\/","title":{"rendered":"2025 \u5e74\u6700\u65b0\u7248\uff1a\u4f7f\u7528 Node.js \u548c Express \u6846\u67b6\u5feb\u901f\u958b\u767c Web \u61c9\u7528\u7a0b\u5f0f"},"content":{"rendered":"

<\/p>\n

\u5728 Node.js \u4e2d\u5982\u4f55\u4f7f\u7528 Express \u6846\u67b6\u9032\u884c Web \u61c9\u7528\u7a0b\u5f0f\u958b\u767c<\/h1>\n

Express \u662f\u4e00\u500b\u57fa\u65bc Node.js \u7684\u6d41\u884c\u6846\u67b6\uff0c\u65e8\u5728\u7c21\u5316 Web \u61c9\u7528\u7a0b\u5f0f\u7684\u958b\u767c\u904e\u7a0b\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u9748\u6d3b\u4e14\u6613\u65bc\u4f7f\u7528\u7684 API\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u5feb\u901f\u69cb\u5efa\u9ad8\u6548\u80fd\u7684 Web \u61c9\u7528\u7a0b\u5f0f\u3002\u7121\u8ad6\u662f\u7c21\u55ae\u7684\u7db2\u7ad9\u9084\u662f\u8907\u96dc\u7684\u61c9\u7528\uff0cExpress \u90fd\u80fd\u5920\u6eff\u8db3\u9700\u6c42\uff0c\u540c\u6642\u652f\u6301\u591a\u7a2e\u6a21\u677f\u5f15\u64ce\uff0c\u8b93\u958b\u767c\u904e\u7a0b\u66f4\u70ba\u6d41\u66a2\u3002<\/p>\n

\u5982\u4f55\u5728 Node.js \u4e2d\u5b89\u88dd\u548c\u4f7f\u7528 Express \u6846\u67b6<\/h2>\n

\u8981\u5728\u60a8\u7684 Node.js \u74b0\u5883\u4e2d\u4f7f\u7528 Express \u6846\u67b6\uff0c\u9996\u5148\u9700\u8981\u5b89\u88dd\u5b83\u3002\u60a8\u53ef\u4ee5\u901a\u904e npm\uff08Node Package Manager\uff09\u4f86\u5feb\u901f\u5b89\u88dd Express\u3002\u8acb\u5728\u7d42\u7aef\u6a5f\u4e2d\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

“`bash
\nnpm install express
\n“`<\/p>\n

\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u5373\u53ef\u958b\u59cb\u4f7f\u7528 Express \u4f86\u69cb\u5efa Web \u61c9\u7528\u7a0b\u5f0f\u3002\u4ee5\u4e0b\u662f\u5efa\u7acb\u4e00\u500b\u57fa\u672c Express \u61c9\u7528\u7a0b\u5f0f\u7684\u6b65\u9a5f\uff1a<\/p>\n

1. **\u5f15\u5165 Express**\uff1a\u9996\u5148\uff0c\u60a8\u9700\u8981\u5f15\u5165 Express \u6a21\u7d44\u4e26\u5275\u5efa\u4e00\u500b\u61c9\u7528\u7a0b\u5f0f\u5be6\u4f8b\u3002<\/p>\n

“`javascript
\nconst express = require(‘express’);
\nconst app = express();
\n“`<\/p>\n

2. **\u8a2d\u7f6e\u8def\u7531**\uff1a\u4f7f\u7528 `app.get` \u65b9\u6cd5\u53ef\u4ee5\u8a2d\u7f6e\u8def\u7531\uff0c\u7576\u4f7f\u7528\u8005\u8a2a\u554f\u6307\u5b9a\u8def\u5f91\u6642\uff0c\u5c07\u8fd4\u56de\u76f8\u61c9\u7684\u5167\u5bb9\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u78bc\u5c07\u5728\u4f7f\u7528\u8005\u8a2a\u554f\u6839\u8def\u5f91\u6642\u8fd4\u56de “Hello World!”\u3002<\/p>\n

“`javascript
\napp.get(‘\/’, (req, res) => {
\n res.send(‘Hello World!’);
\n});
\n“`<\/p>\n

3. **\u555f\u52d5\u4f3a\u670d\u5668**\uff1a\u6700\u5f8c\uff0c\u60a8\u9700\u8981\u555f\u52d5\u4f3a\u670d\u5668\uff0c\u8b93\u61c9\u7528\u7a0b\u5f0f\u958b\u59cb\u63a5\u6536\u8acb\u6c42\u3002<\/p>\n

“`javascript
\napp.listen(3000, () => {
\n console.log(‘Example app listening on port 3000!’);
\n});
\n“`<\/p>\n

\u9019\u6bb5\u4ee3\u78bc\u5c07\u555f\u52d5\u4e00\u500b\u4f3a\u670d\u5668\uff0c\u4e26\u5728\u7aef\u53e3 3000 \u4e0a\u76e3\u807d\u8acb\u6c42\u3002<\/p>\n

\u4f7f\u7528\u6a21\u677f\u5f15\u64ce\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u7684\u529f\u80fd\u6027<\/h2>\n

Express \u6846\u67b6\u652f\u6301\u591a\u7a2e\u6a21\u677f\u5f15\u64ce\uff0c\u4f7f\u5f97\u6e32\u67d3\u52d5\u614b\u5167\u5bb9\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u3002\u4ee5\u4e0b\u793a\u7bc4\u5982\u4f55\u4f7f\u7528 EJS \u6a21\u677f\u5f15\u64ce\uff1a<\/p>\n

1. **\u5b89\u88dd EJS**\uff1a\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88dd EJS \u6a21\u677f\u5f15\u64ce\u3002<\/p>\n

“`bash
\nnpm install ejs
\n“`<\/p>\n

2. **\u8a2d\u7f6e\u8996\u5716\u5f15\u64ce**\uff1a\u5728\u60a8\u7684 Express \u61c9\u7528\u4e2d\uff0c\u8a2d\u7f6e EJS \u70ba\u8996\u5716\u5f15\u64ce\u3002<\/p>\n

“`javascript
\napp.set(‘view engine’, ‘ejs’);
\n“`<\/p>\n

3. **\u6e32\u67d3\u6a21\u677f**\uff1a\u7576\u4f7f\u7528\u8005\u8a2a\u554f\u7279\u5b9a\u8def\u5f91\u6642\uff0c\u60a8\u53ef\u4ee5\u6e32\u67d3 EJS \u6a21\u677f\u3002<\/p>\n

“`javascript
\napp.get(‘\/’, (req, res) => {
\n res.render(‘index’); \/\/ \u78ba\u4fdd\u6709\u4e00\u500b index.ejs \u6a21\u677f\u6587\u4ef6\u5b58\u5728
\n});
\n“`<\/p>\n

\u9019\u6a23\uff0c\u7576\u4f7f\u7528\u8005\u8a2a\u554f\u6839\u8def\u5f91\u6642\uff0c\u5c07\u6703\u986f\u793a index.ejs \u6a21\u677f\u7684\u5167\u5bb9\u3002<\/p>\n

\u932f\u8aa4\u8655\u7406\u8207\u5e38\u898b\u554f\u984c<\/h2>\n

\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u7684\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u7576\u4f3a\u670d\u5668\u7121\u6cd5\u555f\u52d5\u6642\uff0c\u8acb\u6aa2\u67e5\u662f\u5426\u6709\u5176\u4ed6\u61c9\u7528\u7a0b\u5f0f\u6b63\u5728\u4f7f\u7528\u8a72\u7aef\u53e3\uff0c\u6216\u8005\u6aa2\u67e5\u60a8\u7684\u4ee3\u78bc\u662f\u5426\u6709\u8a9e\u6cd5\u932f\u8aa4\u3002\u5efa\u8b70\u4f7f\u7528 `console.log` \u4f86\u8ffd\u8e64\u554f\u984c\uff0c\u6216\u4f7f\u7528 Node.js \u7684\u932f\u8aa4\u8655\u7406\u6a5f\u5236\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

Express \u4e0d\u50c5\u50c5\u662f\u4e00\u500b\u57fa\u672c\u7684 Web \u6846\u67b6\uff0c\u5b83\u9084\u53ef\u4ee5\u8207\u5404\u7a2e\u4e2d\u4ecb\u8edf\u9ad4\uff08middleware\uff09\u96c6\u6210\uff0c\u5be6\u73fe\u66f4\u9ad8\u7d1a\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u8eab\u4efd\u9a57\u8b49\u3001\u8acb\u6c42\u65e5\u8a8c\u8a18\u9304\u7b49\u3002\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u9019\u4e9b\u529f\u80fd\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u60a8\u7684 Web \u61c9\u7528\u7a0b\u5f0f\u7684\u80fd\u529b\u3002<\/p>\n

\u5982\u679c\u60a8\u60f3\u5b78\u7fd2\u66f4\u591a\u95dc\u65bc Python \u7684\u958b\u767c\u77e5\u8b58\uff0c\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7 [Python \u7db2\u9801\u958b\u767c\u6559\u5b78](https:\/\/vocus.cc)\uff0c\u5b83\u5c07\u5e6b\u52a9\u60a8\u64f4\u5c55\u6280\u8853\u6808\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

**Q1: Express \u6846\u67b6\u9069\u5408\u7528\u65bc\u4ec0\u9ebc\u985e\u578b\u7684\u61c9\u7528\u7a0b\u5f0f\uff1f**
\nA1: Express \u975e\u5e38\u9069\u5408\u7528\u65bc\u69cb\u5efa\u5404\u7a2e Web \u61c9\u7528\u7a0b\u5f0f\uff0c\u5305\u62ec\u55ae\u9801\u61c9\u7528\u7a0b\u5f0f\u3001RESTful API \u4ee5\u53ca\u5168\u68e7\u61c9\u7528\u7a0b\u5f0f\u3002<\/p>\n

**Q2: \u5982\u4f55\u8655\u7406 Express \u61c9\u7528\u7a0b\u5f0f\u4e2d\u7684\u932f\u8aa4\uff1f**
\nA2: \u60a8\u53ef\u4ee5\u4f7f\u7528\u4e2d\u4ecb\u8edf\u9ad4\u4f86\u6355\u7372\u932f\u8aa4\uff0c\u4e26\u8fd4\u56de\u9069\u7576\u7684\u932f\u8aa4\u97ff\u61c9\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5f0f\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n

**Q3: \u6709\u54ea\u4e9b\u5e38\u898b\u7684 Express \u4e2d\u4ecb\u8edf\u9ad4\uff1f**
\nA3: \u5e38\u898b\u7684\u4e2d\u4ecb\u8edf\u9ad4\u5305\u62ec body-parser\uff08\u89e3\u6790\u8acb\u6c42\u9ad4\uff09\u3001morgan\uff08\u8acb\u6c42\u65e5\u8a8c\u8a18\u9304\uff09\u7b49\u3002<\/p>\n

\u884c\u52d5\u547c\u7c72<\/h2>\n

\u5e0c\u671b\u9019\u7bc7\u6587\u7ae0\u80fd\u5e6b\u52a9\u60a8\u5feb\u901f\u638c\u63e1 Node.js \u548c Express \u6846\u67b6\u7684\u4f7f\u7528\uff01\u5982\u679c\u60a8\u5c0d Web \u958b\u767c\u611f\u8208\u8da3\uff0c\u5225\u5fd8\u4e86\u8a02\u95b1\u6211\u5011\u7684\u96fb\u5b50\u5831\uff0c\u7372\u53d6\u6700\u65b0\u7684\u6559\u5b78\u8cc7\u6e90\u548c\u6280\u5de7\u3002\u9ede\u64ca [\u9019\u88e1](https:\/\/vocus.cc) \u7e7c\u7e8c\u63a2\u7d22\u66f4\u591a Python \u548c Web \u958b\u767c\u7684\u7cbe\u5f69\u5167\u5bb9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6458\u8981\uff1aExpress\u662fNode.js\u4e2d\u6700\u53d7\u6b61\u8fce\u7684\u6846\u67b6\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5feb\u901f\u69cb\u5efaWeb\u61c9\u7528\u7a0b\u5e8f\u548cAPI\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Express\u6846\u67b6\uff0c\u4ee5\u53ca\u5b83\u7684\u512a\u9ede\u548c\u7f3a\u9ede\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[193,192],"tags":[191,190],"class_list":["post-6258","post","type-post","status-publish","format-standard","hentry","category-node","category-node-js","tag-node","tag-node-js"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1CW","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=6258"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6258\/revisions"}],"predecessor-version":[{"id":6259,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/6258\/revisions\/6259"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=6258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=6258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=6258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}