sec commit

shared/code/backend/server.js

@@ -0,0 +1,44 @@
+const express = require('express');
+const cors = require('cors');
+const path = require('path');
+const authRouter = require('./routes/auth');
+
+const app = express();
+const PORT = process.env.PORT || 3000;
+
+// 中间件
+app.use(cors());
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+
+// 请求日志
+app.use((req, res, next) => {
+  console.log(`[${new Date().toISOString()}] ${req.method} ${req.path}`);
+  next();
+});
+
+// 路由
+app.use('/api/auth', authRouter);
+
+// 健康检查
+app.get('/health', (req, res) => {
+  res.json({ code: 0, message: 'ok', timestamp: new Date().toISOString() });
+});
+
+// 404
+app.use((req, res) => {
+  res.status(404).json({ code: 404, message: '接口不存在' });
+});
+
+// 错误处理
+app.use((err, req, res, next) => {
+  console.error('[Error]', err);
+  res.status(500).json({ code: 500, message: '服务器内部错误' });
+});
+
+app.listen(PORT, () => {
+  console.log(`[Server] 后端服务已启动，端口: ${PORT}`);
+  console.log(`[Server] 环境: ${process.env.NODE_ENV || 'development'}`);
+});
+
+module.exports = app;