后端: 添加健康检查API

backend/src/index.js

@@ -14,6 +14,7 @@ const recentRoutes = require('./routes/recent');
 const renameRoutes = require('./routes/rename');
 const copyRoutes = require('./routes/copy');
 const folderRoutes = require('./routes/folder');
+const healthRoutes = require('./routes/health');
 const errorHandler = require('./middleware/errorHandler');
 const logger = require('./middleware/logger');
 
@@ -41,6 +42,7 @@ app.use('/api/recent', recentRoutes);
 app.use('/api/rename', renameRoutes);
 app.use('/api/copy', copyRoutes);
 app.use('/api/folder', folderRoutes);
+app.use('/api/health', healthRoutes);
 
 app.use(errorHandler);
 

backend/src/routes/health.js

@@ -0,0 +1,19 @@
+const express = require('express');
+const router = express.Router();
+const db = require('../db');
+
+router.get('/', (req, res) => {
+  // Check database
+  db.query('SELECT 1').then(() => {
+    res.json({ 
+      status: 'ok', 
+      timestamp: new Date().toISOString(),
+      uptime: process.uptime(),
+      memory: process.memoryUsage()
+    });
+  }).catch(() => {
+    res.status(500).json({ status: 'error', message: 'Database unavailable' });
+  });
+});
+
+module.exports = router;