Initial commit: AIGC项目完整代码
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81
demo/frontend/dev-server.js
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81
demo/frontend/dev-server.js
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const http = require('http');
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const fs = require('fs');
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const path = require('path');
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const PORT = 3000;
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const server = http.createServer((req, res) => {
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console.log(`${req.method} ${req.url}`);
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// 设置CORS头
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res.setHeader('Access-Control-Allow-Origin', '*');
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res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
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res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');
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if (req.method === 'OPTIONS') {
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res.writeHead(200);
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res.end();
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return;
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}
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let filePath = req.url === '/' ? '/index.html' : req.url;
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// 如果是API请求,代理到后端
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if (req.url.startsWith('/api')) {
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const http = require('http');
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const options = {
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hostname: 'localhost',
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port: 8080,
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path: req.url,
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method: req.method,
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headers: req.headers
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};
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const proxyReq = http.request(options, (proxyRes) => {
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res.writeHead(proxyRes.statusCode, proxyRes.headers);
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proxyRes.pipe(res);
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});
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req.pipe(proxyReq);
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return;
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}
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// 静态文件服务
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const fullPath = path.join(__dirname, 'dist', filePath);
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fs.readFile(fullPath, (err, data) => {
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if (err) {
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res.writeHead(404, { 'Content-Type': 'text/html' });
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res.end(`
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<!DOCTYPE html>
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<html>
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<head>
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<title>开发服务器</title>
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</head>
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<body>
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<h1>开发服务器正在运行</h1>
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<p>端口: ${PORT}</p>
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<p>请先运行 <code>npm run build</code> 构建项目</p>
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</body>
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</html>
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`);
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return;
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}
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const ext = path.extname(fullPath);
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const contentType = {
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'.html': 'text/html',
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'.js': 'text/javascript',
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'.css': 'text/css',
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'.json': 'application/json'
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}[ext] || 'text/plain';
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res.writeHead(200, { 'Content-Type': contentType });
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res.end(data);
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});
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});
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server.listen(PORT, '0.0.0.0', () => {
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console.log(`🚀 开发服务器运行在 http://localhost:${PORT}`);
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console.log(`🌐 网络访问: http://0.0.0.0:${PORT}`);
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});
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