修改缓存

server/src/config/database.js

@@ -200,8 +200,33 @@ function parseJSON(str, defaultValue) {
   }
 }
 
+// 刷新缓存 - 从数据库重新加载所有数据
+async function refreshCache() {
+  if (!pool) return false;
+
+  try {
+    const [posts] = await pool.execute('SELECT * FROM posts ORDER BY date DESC');
+    const [settings] = await pool.execute('SELECT * FROM settings WHERE id = 1');
+    const [about] = await pool.execute('SELECT * FROM about WHERE id = 1');
+
+    memoryStore.posts = posts;
+    if (settings.length > 0) {
+      memoryStore.settings = formatSettings(settings[0]);
+    }
+    if (about.length > 0) {
+      memoryStore.about = formatAbout(about[0]);
+    }
+
+    console.log('✅ 缓存已刷新');
+    return true;
+  } catch (error) {
+    console.error('缓存刷新失败:', error.message);
+    return false;
+  }
+}
+
 function getPool() {
   return pool;
 }
 
-module.exports = { initDatabase, getPool };
+module.exports = { initDatabase, getPool, refreshCache };

server/src/index.js

@@ -18,12 +18,14 @@ const aboutRouter = require('./routes/about');
 const settingsRouter = require('./routes/settings');
 const cronRouter = require('./routes/cron');
 const configRouter = require('./routes/config');
+const cacheRouter = require('./routes/cache');
 
 app.use('/api/posts', postsRouter);
 app.use('/api/about', aboutRouter);
 app.use('/api/settings', settingsRouter);
 app.use('/api/cron-tasks', cronRouter);
 app.use('/api/config', configRouter);
+app.use('/api/cache', cacheRouter);
 
 // 健康检查
 app.get('/api/health', (req, res) => {

server/src/routes/cache.js

@@ -0,0 +1,20 @@
+const express = require('express');
+const router = express.Router();
+const { refreshCache } = require('../config/database');
+
+// 刷新所有缓存（posts, settings, about）
+router.post('/refresh', async (req, res) => {
+  try {
+    const success = await refreshCache();
+    if (success) {
+      res.json({ message: '缓存已刷新', success: true });
+    } else {
+      res.status(500).json({ error: '缓存刷新失败', success: false });
+    }
+  } catch (error) {
+    console.error('缓存刷新失败:', error);
+    res.status(500).json({ error: '缓存刷新失败', success: false });
+  }
+});
+
+module.exports = router;