lizhilunandClaude Opus 4.6
df3a9daa65
- 添加3个复合索引提升查询性能 (user_date, user_category, destination) - 添加GZIP压缩和静态资源缓存 (maxAge: 1h) - 添加API响应no-cache头 - 添加stats端点2分钟内存缓存 (per-user key, LRU淘汰) - 合并多次数据库查询为单次查询 - 添加滚动防抖改善移动端体验 - 修复res.once内存泄漏问题 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
const express = require('express');
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const cors = require('cors');
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const path = require('path');
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const compression = require('compression');
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const db = require('./db');
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const { router: authRouter, auth } = require('./routes/auth');
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const statsRouter = require('./routes/stats');
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const recordsRouter = require('./routes/records');
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const ioRouter = require('./routes/io');
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const app = express();
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app.use(cors());
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app.use(express.json());
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app.use(compression());
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app.use(express.static(path.join(__dirname, '..', 'public'), {
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maxAge: '1h',
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etag: true
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}));
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// 联系人自动补全
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app.use('/api', (req, res, next) => {
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res.setHeader('Cache-Control', 'no-cache');
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next();
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});
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app.get('/api/contacts', auth, (req, res) => {
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const field = req.query.field;
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const allowed = ['boss', 'partner', 'source', 'destination'];
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if (!field || !allowed.includes(field)) return res.status(400).json({ error: '无效字段' });
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const rows = db.prepare(`
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SELECT ${field} as name, MAX(created_at) as last_used, COUNT(*) as freq
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FROM records WHERE user_id = ? AND ${field} IS NOT NULL AND ${field} != ''
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GROUP BY ${field} ORDER BY MAX(created_at) DESC
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`).all(req.user.id);
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res.json(rows.map(r => r.name));
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});
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// 路由挂载
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app.use('/api', authRouter);
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app.use('/api/stats', auth, statsRouter);
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app.use('/api/records', auth, recordsRouter);
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app.use('/api', auth, ioRouter);
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const PORT = process.env.PORT || 3000;
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app.listen(PORT, '0.0.0.0', () => {
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console.log(`服务器运行在 http://0.0.0.0:${PORT}`);
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});
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