first commit

2026-10-08 10:43:59 +08:00
commit 8430ba0452
288 changed files with 29595 additions and 0 deletions
@@ -0,0 +1,89 @@
+import Database from 'better-sqlite3';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const db = new Database(path.join(__dirname, 'life_circle.db'));
+
+db.pragma('journal_mode = WAL');
+db.pragma('foreign_keys = ON');
+
+// 初始化数据表
+db.exec(`
+  CREATE TABLE IF NOT EXISTS users (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    username TEXT NOT NULL UNIQUE,
+    password TEXT NOT NULL,
+    nickname TEXT NOT NULL,
+    avatar TEXT DEFAULT '',
+    phone TEXT DEFAULT '',
+    building TEXT DEFAULT '',
+    bio TEXT DEFAULT '',
+    role TEXT DEFAULT 'user',
+    created_at TEXT DEFAULT (datetime('now', 'localtime'))
+  );
+
+  CREATE TABLE IF NOT EXISTS posts (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id INTEGER NOT NULL,
+    content TEXT NOT NULL,
+    images TEXT DEFAULT '[]',
+    category TEXT DEFAULT '动态',
+    likes INTEGER DEFAULT 0,
+    comments INTEGER DEFAULT 0,
+    created_at TEXT DEFAULT (datetime('now', 'localtime')),
+    FOREIGN KEY (user_id) REFERENCES users(id)
+  );
+
+  CREATE TABLE IF NOT EXISTS comments (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    post_id INTEGER NOT NULL,
+    user_id INTEGER NOT NULL,
+    content TEXT NOT NULL,
+    created_at TEXT DEFAULT (datetime('now', 'localtime')),
+    FOREIGN KEY (post_id) REFERENCES posts(id),
+    FOREIGN KEY (user_id) REFERENCES users(id)
+  );
+
+  CREATE TABLE IF NOT EXISTS likes (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    post_id INTEGER NOT NULL,
+    user_id INTEGER NOT NULL,
+    UNIQUE(post_id, user_id),
+    FOREIGN KEY (post_id) REFERENCES posts(id),
+    FOREIGN KEY (user_id) REFERENCES users(id)
+  );
+
+  CREATE TABLE IF NOT EXISTS notices (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    title TEXT NOT NULL,
+    content TEXT NOT NULL,
+    type TEXT DEFAULT '通知',
+    created_at TEXT DEFAULT (datetime('now', 'localtime'))
+  );
+
+  CREATE TABLE IF NOT EXISTS secondhand (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id INTEGER NOT NULL,
+    title TEXT NOT NULL,
+    description TEXT NOT NULL,
+    price REAL DEFAULT 0,
+    images TEXT DEFAULT '[]',
+    status TEXT DEFAULT '在售',
+    created_at TEXT DEFAULT (datetime('now', 'localtime')),
+    FOREIGN KEY (user_id) REFERENCES users(id)
+  );
+
+  CREATE TABLE IF NOT EXISTS housekeeping (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id INTEGER NOT NULL,
+    title TEXT NOT NULL,
+    description TEXT NOT NULL,
+    price TEXT DEFAULT '',
+    phone TEXT DEFAULT '',
+    created_at TEXT DEFAULT (datetime('now', 'localtime')),
+    FOREIGN KEY (user_id) REFERENCES users(id)
+  );
+`);
+
+export default db;
@@ -0,0 +1,55 @@
+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}`);
+});
@@ -0,0 +1,28 @@
+import jwt from 'jsonwebtoken';
+
+const SECRET = 'life-circle-secret-key-2026';
+
+export function auth(req, res, next) {
+  const header = req.headers.authorization;
+  if (!header) {
+    return res.status(401).json({ message: '未登录' });
+  }
+  const token = header.split(' ')[1];
+  try {
+    const payload = jwt.verify(token, SECRET);
+    req.user = payload;
+    next();
+  } catch (e) {
+    return res.status(401).json({ message: '登录已过期，请重新登录' });
+  }
+}
+
+export function sign(user) {
+  return jwt.sign(
+    { id: user.id, username: user.username, nickname: user.nickname, role: user.role },
+    SECRET,
+    { expiresIn: '7d' }
+  );
+}
+
+export { SECRET };
@@ -0,0 +1,18 @@
+{
+  "name": "life-circle-server",
+  "version": "1.0.0",
+  "description": "社区生活圈系统后端服务",
+  "main": "index.js",
+  "type": "module",
+  "scripts": {
+    "start": "node index.js",
+    "dev": "node --watch index.js"
+  },
+  "dependencies": {
+    "bcryptjs": "^2.4.3",
+    "better-sqlite3": "^11.3.0",
+    "cors": "^2.8.5",
+    "express": "^4.19.2",
+    "jsonwebtoken": "^9.0.2"
+  }
+}
@@ -0,0 +1,75 @@
+import { Router } from 'express';
+import bcrypt from 'bcryptjs';
+import db from '../db.js';
+import { auth, sign } from '../middleware.js';
+
+const router = Router();
+
+// 注册
+router.post('/register', (req, res) => {
+  const { username, password, nickname, phone, building } = req.body;
+  if (!username || !password || !nickname) {
+    return res.status(400).json({ message: '请填写完整信息' });
+  }
+  if (username.length < 3 || password.length < 6) {
+    return res.status(400).json({ message: '用户名至少3位，密码至少6位' });
+  }
+  const exists = db.prepare('SELECT id FROM users WHERE username = ?').get(username);
+  if (exists) {
+    return res.status(400).json({ message: '用户名已存在' });
+  }
+  const hash = bcrypt.hashSync(password, 10);
+  const info = db
+    .prepare('INSERT INTO users (username, password, nickname, phone, building) VALUES (?, ?, ?, ?, ?)')
+    .run(username, hash, nickname, phone || '', building || '');
+  const user = db.prepare('SELECT * FROM users WHERE id = ?').get(info.lastInsertRowid);
+  res.json({ token: sign(user), user: safeUser(user) });
+});
+
+// 登录
+router.post('/login', (req, res) => {
+  const { username, password } = req.body;
+  const user = db.prepare('SELECT * FROM users WHERE username = ?').get(username);
+  if (!user || !bcrypt.compareSync(password, user.password)) {
+    return res.status(401).json({ message: '用户名或密码错误' });
+  }
+  res.json({ token: sign(user), user: safeUser(user) });
+});
+
+// 获取当前用户
+router.get('/me', auth, (req, res) => {
+  const user = db.prepare('SELECT * FROM users WHERE id = ?').get(req.user.id);
+  if (!user) return res.status(404).json({ message: '用户不存在' });
+  res.json(safeUser(user));
+});
+
+// 更新个人资料
+router.put('/me', auth, (req, res) => {
+  const { nickname, phone, building, bio } = req.body;
+  db.prepare('UPDATE users SET nickname = ?, phone = ?, building = ?, bio = ? WHERE id = ?')
+    .run(nickname, phone || '', building || '', bio || '', req.user.id);
+  const user = db.prepare('SELECT * FROM users WHERE id = ?').get(req.user.id);
+  res.json(safeUser(user));
+});
+
+// 修改密码
+router.put('/password', auth, (req, res) => {
+  const { oldPassword, newPassword } = req.body;
+  const user = db.prepare('SELECT * FROM users WHERE id = ?').get(req.user.id);
+  if (!bcrypt.compareSync(oldPassword, user.password)) {
+    return res.status(400).json({ message: '原密码错误' });
+  }
+  if (newPassword.length < 6) {
+    return res.status(400).json({ message: '新密码至少6位' });
+  }
+  const hash = bcrypt.hashSync(newPassword, 10);
+  db.prepare('UPDATE users SET password = ? WHERE id = ?').run(hash, req.user.id);
+  res.json({ message: '修改成功' });
+});
+
+function safeUser(u) {
+  const { password, ...rest } = u;
+  return rest;
+}
+
+export default router;
@@ -0,0 +1,38 @@
+import { Router } from 'express';
+import db from '../db.js';
+import { auth } from '../middleware.js';
+
+const router = Router();
+
+// 家政服务列表
+router.get('/', auth, (req, res) => {
+  const items = db
+    .prepare('SELECT h.*, u.nickname, u.avatar FROM housekeeping h JOIN users u ON h.user_id = u.id ORDER BY h.created_at DESC')
+    .all();
+  res.json(items);
+});
+
+// 发布家政服务
+router.post('/', auth, (req, res) => {
+  const { title, description, price, phone } = req.body;
+  if (!title || !description) {
+    return res.status(400).json({ message: '请填写服务名称和描述' });
+  }
+  const info = db
+    .prepare('INSERT INTO housekeeping (user_id, title, description, price, phone) VALUES (?, ?, ?, ?, ?)')
+    .run(req.user.id, title, description, price || '', phone || '');
+  res.json(db.prepare('SELECT * FROM housekeeping WHERE id = ?').get(info.lastInsertRowid));
+});
+
+// 删除服务
+router.delete('/:id', auth, (req, res) => {
+  const item = db.prepare('SELECT * FROM housekeeping WHERE id = ?').get(req.params.id);
+  if (!item) return res.status(404).json({ message: '服务不存在' });
+  if (item.user_id !== req.user.id && req.user.role !== 'admin') {
+    return res.status(403).json({ message: '无权删除' });
+  }
+  db.prepare('DELETE FROM housekeeping WHERE id = ?').run(req.params.id);
+  res.json({ message: '删除成功' });
+});
+
+export default router;
@@ -0,0 +1,28 @@
+import { Router } from 'express';
+import db from '../db.js';
+import { auth } from '../middleware.js';
+
+const router = Router();
+
+// 物业通知列表
+router.get('/', (req, res) => {
+  const notices = db.prepare('SELECT * FROM notices ORDER BY created_at DESC').all();
+  res.json(notices);
+});
+
+// 发布通知（管理员）
+router.post('/', auth, (req, res) => {
+  if (req.user.role !== 'admin') {
+    return res.status(403).json({ message: '仅管理员可发布通知' });
+  }
+  const { title, content, type } = req.body;
+  if (!title || !content) {
+    return res.status(400).json({ message: '请填写标题和内容' });
+  }
+  const info = db
+    .prepare('INSERT INTO notices (title, content, type) VALUES (?, ?, ?)')
+    .run(title, content, type || '通知');
+  res.json(db.prepare('SELECT * FROM notices WHERE id = ?').get(info.lastInsertRowid));
+});
+
+export default router;
@@ -0,0 +1,90 @@
+import { Router } from 'express';
+import db from '../db.js';
+import { auth } from '../middleware.js';
+
+const router = Router();
+
+// 获取动态列表（含用户信息、是否已点赞）
+router.get('/', auth, (req, res) => {
+  const { category } = req.query;
+  let sql = `
+    SELECT p.*, u.nickname, u.avatar,
+      (SELECT COUNT(*) FROM likes l WHERE l.post_id = p.id) as like_count,
+      EXISTS(SELECT 1 FROM likes l WHERE l.post_id = p.id AND l.user_id = ?) as liked
+    FROM posts p JOIN users u ON p.user_id = u.id
+  `;
+  const params = [req.user.id];
+  if (category && category !== '全部') {
+    sql += ' WHERE p.category = ?';
+    params.push(category);
+  }
+  sql += ' ORDER BY p.created_at DESC';
+  const posts = db.prepare(sql).all(...params);
+  res.json(posts.map(p => ({ ...p, images: JSON.parse(p.images || '[]') })));
+});
+
+// 发布动态
+router.post('/', auth, (req, res) => {
+  const { content, images, category } = req.body;
+  if (!content || !content.trim()) {
+    return res.status(400).json({ message: '内容不能为空' });
+  }
+  const info = db
+    .prepare('INSERT INTO posts (user_id, content, images, category) VALUES (?, ?, ?, ?)')
+    .run(req.user.id, content, JSON.stringify(images || []), category || '动态');
+  const post = db.prepare('SELECT * FROM posts WHERE id = ?').get(info.lastInsertRowid);
+  res.json({ ...post, images: JSON.parse(post.images || '[]') });
+});
+
+// 删除动态
+router.delete('/:id', auth, (req, res) => {
+  const post = db.prepare('SELECT * FROM posts WHERE id = ?').get(req.params.id);
+  if (!post) return res.status(404).json({ message: '动态不存在' });
+  if (post.user_id !== req.user.id && req.user.role !== 'admin') {
+    return res.status(403).json({ message: '无权删除' });
+  }
+  db.prepare('DELETE FROM comments WHERE post_id = ?').run(req.params.id);
+  db.prepare('DELETE FROM likes WHERE post_id = ?').run(req.params.id);
+  db.prepare('DELETE FROM posts WHERE id = ?').run(req.params.id);
+  res.json({ message: '删除成功' });
+});
+
+// 点赞/取消点赞
+router.post('/:id/like', auth, (req, res) => {
+  const post = db.prepare('SELECT id FROM posts WHERE id = ?').get(req.params.id);
+  if (!post) return res.status(404).json({ message: '动态不存在' });
+  const existing = db
+    .prepare('SELECT id FROM likes WHERE post_id = ? AND user_id = ?')
+    .get(req.params.id, req.user.id);
+  if (existing) {
+    db.prepare('DELETE FROM likes WHERE id = ?').run(existing.id);
+    res.json({ liked: false });
+  } else {
+    db.prepare('INSERT INTO likes (post_id, user_id) VALUES (?, ?)').run(req.params.id, req.user.id);
+    res.json({ liked: true });
+  }
+});
+
+// 获取评论
+router.get('/:id/comments', auth, (req, res) => {
+  const comments = db
+    .prepare('SELECT c.*, u.nickname, u.avatar FROM comments c JOIN users u ON c.user_id = u.id WHERE c.post_id = ? ORDER BY c.created_at ASC')
+    .all(req.params.id);
+  res.json(comments);
+});
+
+// 发表评论
+router.post('/:id/comments', auth, (req, res) => {
+  const { content } = req.body;
+  if (!content || !content.trim()) {
+    return res.status(400).json({ message: '评论不能为空' });
+  }
+  db.prepare('INSERT INTO comments (post_id, user_id, content) VALUES (?, ?, ?)')
+    .run(req.params.id, req.user.id, content);
+  const list = db
+    .prepare('SELECT c.*, u.nickname, u.avatar FROM comments c JOIN users u ON c.user_id = u.id WHERE c.post_id = ? ORDER BY c.created_at ASC')
+    .all(req.params.id);
+  res.json(list);
+});
+
+export default router;
@@ -0,0 +1,50 @@
+import { Router } from 'express';
+import db from '../db.js';
+import { auth } from '../middleware.js';
+
+const router = Router();
+
+// 二手闲置列表
+router.get('/', auth, (req, res) => {
+  const items = db
+    .prepare('SELECT s.*, u.nickname, u.avatar FROM secondhand s JOIN users u ON s.user_id = u.id ORDER BY s.created_at DESC')
+    .all();
+  res.json(items.map(i => ({ ...i, images: JSON.parse(i.images || '[]') })));
+});
+
+// 发布闲置
+router.post('/', auth, (req, res) => {
+  const { title, description, price, images } = req.body;
+  if (!title || !description) {
+    return res.status(400).json({ message: '请填写标题和描述' });
+  }
+  const info = db
+    .prepare('INSERT INTO secondhand (user_id, title, description, price, images) VALUES (?, ?, ?, ?, ?)')
+    .run(req.user.id, title, description, price || 0, JSON.stringify(images || []));
+  res.json(db.prepare('SELECT * FROM secondhand WHERE id = ?').get(info.lastInsertRowid));
+});
+
+// 更新状态（下架/售出）
+router.put('/:id', auth, (req, res) => {
+  const item = db.prepare('SELECT * FROM secondhand WHERE id = ?').get(req.params.id);
+  if (!item) return res.status(404).json({ message: '物品不存在' });
+  if (item.user_id !== req.user.id && req.user.role !== 'admin') {
+    return res.status(403).json({ message: '无权操作' });
+  }
+  const { status } = req.body;
+  db.prepare('UPDATE secondhand SET status = ? WHERE id = ?').run(status, req.params.id);
+  res.json(db.prepare('SELECT * FROM secondhand WHERE id = ?').get(req.params.id));
+});
+
+// 删除闲置
+router.delete('/:id', auth, (req, res) => {
+  const item = db.prepare('SELECT * FROM secondhand WHERE id = ?').get(req.params.id);
+  if (!item) return res.status(404).json({ message: '物品不存在' });
+  if (item.user_id !== req.user.id && req.user.role !== 'admin') {
+    return res.status(403).json({ message: '无权删除' });
+  }
+  db.prepare('DELETE FROM secondhand WHERE id = ?').run(req.params.id);
+  res.json({ message: '删除成功' });
+});
+
+export default router;