first commit

server/index.js

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+import express from 'express';
+import cors from 'cors';
+import authRouter from './routes/auth.js';
+import postsRouter from './routes/posts.js';
+import noticesRouter from './routes/notices.js';
+import secondhandRouter from './routes/secondhand.js';
+import housekeepingRouter from './routes/housekeeping.js';
+import db from './db.js';
+import bcrypt from 'bcryptjs';
+
+const app = express();
+app.use(cors());
+app.use(express.json({ limit: '10mb' }));
+
+// 初始化管理员账号
+function seedAdmin() {
+  const admin = db.prepare('SELECT id FROM users WHERE username = ?').get('admin');
+  if (!admin) {
+    const hash = bcrypt.hashSync('admin123', 10);
+    db.prepare('INSERT INTO users (username, password, nickname, role, building) VALUES (?, ?, ?, ?, ?)')
+      .run('admin', hash, '社区管理员', 'admin', '物业中心');
+    console.log('已创建管理员账号: admin / admin123');
+  }
+  // 初始化示例通知
+  const count = db.prepare('SELECT COUNT(*) as c FROM notices').get().c;
+  if (count === 0) {
+    db.prepare('INSERT INTO notices (title, content, type) VALUES (?, ?, ?)')
+      .run('停水通知', '因管道维修，本周六 8:00-12:00 小区将停水，请各位业主提前储水。', '通知');
+    db.prepare('INSERT INTO notices (title, content, type) VALUES (?, ?, ?)')
+      .run('关于规范电动车停放的通知', '请将电动车停放在指定充电棚，严禁上楼充电，感谢配合。', '通知');
+  }
+}
+seedAdmin();
+
+app.use('/api/auth', authRouter);
+app.use('/api/posts', postsRouter);
+app.use('/api/notices', noticesRouter);
+app.use('/api/secondhand', secondhandRouter);
+app.use('/api/housekeeping', housekeepingRouter);
+
+// 静态文件（前端构建产物）
+import path from 'path';
+import { fileURLToPath } from 'url';
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+app.use(express.static(path.join(__dirname, '../client/dist')));
+
+app.use((err, req, res, next) => {
+  console.error(err);
+  res.status(500).json({ message: '服务器内部错误' });
+});
+
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+  console.log(`生活圈系统后端已启动: http://localhost:${PORT}`);
+});