first commit

2025-12-21 21:50:37 +08:00
commit 352698044b
30 changed files with 9893 additions and 0 deletions
--- a/backend/server.js
+++ b/backend/server.js
@@ -0,0 +1,128 @@
+const express = require('express');
+const cors = require('cors');
+const session = require('express-session');
+const MySQLStore = require('express-mysql-session')(session);
+const path = require('path');
+require('dotenv').config();
+
+// 导入路由
+const authRoutes = require('./routes/auth');
+const studentRoutes = require('./routes/student');
+const teacherRoutes = require('./routes/teacher');
+const adminRoutes = require('./routes/admin');
+
+// 数据库配置
+const db = require('./config/database');
+
+const app = express();
+const PORT = process.env.PORT || 3000;
+
+// 中间件
+app.use(cors({
+    origin: 'http://localhost:3000',
+    credentials: true
+}));
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+
+// 会话配置
+const sessionStore = new MySQLStore({
+    expiration: 86400000, // 1天
+    createDatabaseTable: true,
+    schema: {
+        tableName: 'sessions',
+        columnNames: {
+            session_id: 'session_id',
+            expires: 'expires',
+            data: 'data'
+        }
+    }
+}, db.pool);
+
+app.use(session({
+    key: 'session_cookie',
+    secret: process.env.SESSION_SECRET || 'your-secret-key',
+    store: sessionStore,
+    resave: false,
+    saveUninitialized: false,
+    cookie: {
+        maxAge: 86400000,
+        httpOnly: true,
+        secure: process.env.NODE_ENV === 'production'
+    }
+}));
+
+// 静态文件服务
+app.use(express.static(path.join(__dirname, '../frontend')));
+
+// 重定向旧路径 /frontend/html/* 到 /html/*
+app.get('/frontend/html/*', (req, res) => {
+    const path = req.params[0];
+    res.redirect(`/html/${path}`);
+});
+
+// 路由
+app.use('/api/auth', authRoutes);
+app.use('/api/student', studentRoutes);
+app.use('/api/teacher', teacherRoutes);
+app.use('/api/admin', adminRoutes);
+
+// 认证中间件
+const { requireAuth, requireRole } = require('./middleware/auth');
+
+// 页面路由
+app.get('/', (req, res) => {
+    res.sendFile(path.join(__dirname, '../frontend/html/login.html'));
+});
+
+app.get('/dashboard', requireAuth, (req, res) => {
+    // 根据用户角色重定向到不同的仪表板
+    const role = req.session.user?.role;
+    
+    switch (role) {
+        case 'student':
+            res.redirect('/html/student_dashboard.html');
+            break;
+        case 'teacher':
+            res.redirect('/html/teacher_dashboard.html');
+            break;
+        case 'admin':
+            res.redirect('/html/admin_dashboard.html');
+            break;
+        default:
+            // 如果没有角色信息，重定向到登录页面
+            res.redirect('/');
+            break;
+    }
+});
+
+// 学生页面路由
+app.get('/student/*', requireAuth, requireRole(['student', 'admin', 'teacher']), (req, res, next) => {
+    next();
+});
+
+// 教师页面路由
+app.get('/teacher/*', requireAuth, requireRole(['teacher', 'admin']), (req, res, next) => {
+    next();
+});
+
+// 管理员页面路由
+app.get('/admin/*', requireAuth, requireRole(['admin']), (req, res, next) => {
+    next();
+});
+
+// 404处理
+app.use((req, res) => {
+    res.status(404).json({ error: 'Not found' });
+});
+
+// 错误处理
+app.use((err, req, res, next) => {
+    console.error(err.stack);
+    res.status(500).json({ error: 'Internal server error' });
+});
+
+app.listen(PORT, () => {
+    console.log(`Server running on port ${PORT}`);
+    console.log(`访问地址: http://localhost:${PORT}`);
+});