feat: add new server entry point and update package.json

.env.example

@@ -0,0 +1,15 @@
+# 服务器配置
+PORT=3501
+NODE_ENV=development
+
+# JWT 密钥（生产环境必须修改）
+JWT_SECRET=your-secret-key-here
+
+# 数据库路径
+DB_PATH=./accountbook.db
+
+# 日志级别
+LOG_LEVEL=info
+
+# 生产环境允许的域名（逗号分隔）
+ALLOWED_ORIGINS=https://yourdomain.com,https://www.yourdomain.com

package.json

@@ -1,16 +1,35 @@
 {
   "name": "accountbook",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "简易记账本",
-  "main": "server.js",
+  "main": "server/index.js",
   "scripts": {
-    "start": "node server.js"
+    "start": "node server/index.js",
+    "dev": "concurrently \"npm run server:dev\" \"npm run client:dev\"",
+    "server:dev": "node server/index.js",
+    "client:dev": "cd frontend && npm run dev",
+    "build": "cd frontend && npm run build",
+    "migrate": "node server/db/migrate.js",
+    "test": "jest",
+    "lint": "eslint server/ frontend/",
+    "lint:fix": "eslint server/ frontend/ --fix"
   },
   "dependencies": {
     "express": "^4.18.2",
     "better-sqlite3": "^9.2.2",
     "jsonwebtoken": "^9.0.2",
     "bcryptjs": "^2.4.3",
-    "cors": "^2.8.5"
+    "cors": "^2.8.5",
+    "dotenv": "^16.3.1"
+  },
+  "devDependencies": {
+    "concurrently": "^8.2.2",
+    "eslint": "^8.55.0",
+    "jest": "^29.7.0",
+    "nodemon": "^3.0.2",
+    "prettier": "^3.1.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-node": "^11.1.0",
+    "supertest": "^6.3.3"
   }
 }

server/index.js

@@ -0,0 +1,83 @@
+const express = require('express');
+const cors = require('cors');
+const path = require('path');
+const fs = require('fs');
+
+// 确保日志目录存在
+const logsDir = path.join(__dirname, '../logs');
+if (!fs.existsSync(logsDir)) {
+  fs.mkdirSync(logsDir, { recursive: true });
+}
+
+// 加载环境变量
+if (fs.existsSync(path.join(__dirname, '../.env'))) {
+  require('dotenv').config({ path: path.join(__dirname, '../.env') });
+}
+
+const { errorHandler } = require('./middleware/errorHandler');
+
+// 运行数据库迁移
+require('./db/migrate');
+
+const app = express();
+const PORT = process.env.PORT || 3501;
+
+// 中间件
+app.use(cors({
+  origin: process.env.NODE_ENV === 'production'
+    ? (process.env.ALLOWED_ORIGINS || '').split(',').filter(Boolean)
+    : ['http://localhost:3500', 'http://127.0.0.1:3500'],
+  credentials: true,
+}));
+
+app.use(express.json());
+app.use(express.static(path.join(__dirname, '../public')));
+app.use(express.static(path.join(__dirname, '../frontend/.next')));
+app.use(express.static(path.join(__dirname, '../frontend/.next/server/pages')));
+
+// 请求日志
+app.use((req, res, next) => {
+  console.log(`${req.method} ${req.url}`);
+  next();
+});
+
+// 路由
+app.use('/api/auth', require('./routes/auth'));
+app.use('/api/records', require('./routes/records'));
+app.use('/api/stats', require('./routes/stats'));
+app.use('/api/recurring', require('./routes/recurring'));
+app.use('/api/categories', require('./routes/categories'));
+app.use('/api/export', require('./routes/export'));
+app.use('/api/search', require('./routes/search'));
+
+// 健康检查
+app.get('/api/health', (req, res) => {
+  res.json({ status: 'ok', timestamp: new Date().toISOString() });
+});
+
+// 前端路由 - Next.js 静态文件
+app.get('/_next/static/:path(*)', (req, res) => {
+  const filePath = path.join(__dirname, '../frontend/.next/static', req.params.path);
+  res.sendFile(filePath, (err) => {
+    if (err) res.status(404).send('Not found');
+  });
+});
+
+app.get('*', (req, res) => {
+  let pagePath = req.path === '/' ? '/index.html' : req.path + '.html';
+  const nextPagePath = path.join(__dirname, '../frontend/.next/server/pages', pagePath);
+
+  res.sendFile(nextPagePath, (err) => {
+    if (err) {
+      res.sendFile(path.join(__dirname, '../frontend/.next/server/pages/index.html'));
+    }
+  });
+});
+
+// 错误处理
+app.use(errorHandler);
+
+// 启动服务器
+app.listen(PORT, '0.0.0.0', () => {
+  console.log(`记账本服务已启动: http://0.0.0.0:${PORT}`);
+});