double_work/server.js

const express = require('express');
const path = require('path');
const bodyParser = require('body-parser');
const router = require('./router');
const app = express();

// 中间件
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));

// API 路由
app.use('/api', router);

// 静态文件
app.use(express.static(path.join(__dirname, 'public')));

// 处理 SPA 路由
app.get('*', (req, res) => {
    res.sendFile(path.join(__dirname, 'public', 'index.html'));
});

// 启动服务器
const PORT = process.env.PORT || 3000;
app.listen(PORT, () => {
    console.log(`Server running on port ${PORT}`);
});