2025-08-31 00:45:46 +08:00
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const express = require('express');
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const cors = require('cors');
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const helmet = require('helmet');
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const morgan = require('morgan');
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const rateLimit = require('express-rate-limit');
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const xss = require('xss-clean');
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const hpp = require('hpp');
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const swaggerUi = require('swagger-ui-express');
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const swaggerSpec = require('./config/swagger');
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2025-08-30 14:33:49 +08:00
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2025-08-31 00:45:46 +08:00
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console.log('🔧 初始化Express应用...');
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2025-08-30 14:33:49 +08:00
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2025-08-31 00:45:46 +08:00
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const { globalErrorHandler, notFound } = require('./utils/errors');
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2025-08-30 14:33:49 +08:00
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2025-09-11 15:05:23 +08:00
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// 检查是否为无数据库模式
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const NO_DB_MODE = process.env.NO_DB_MODE === 'true';
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let authRoutes, userRoutes, travelRoutes, animalRoutes, orderRoutes, adminRoutes;
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// 路由导入 - 根据是否为无数据库模式决定是否导入实际路由
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if (NO_DB_MODE) {
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console.log('⚠️ 无数据库模式:将使用模拟路由');
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} else {
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// 路由导入
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authRoutes = require('./routes/auth');
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userRoutes = require('./routes/user');
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travelRoutes = require('./routes/travel');
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animalRoutes = require('./routes/animal');
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orderRoutes = require('./routes/order');
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adminRoutes = require('./routes/admin'); // 新增管理员路由
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}
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2025-08-30 14:33:49 +08:00
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2025-08-31 00:45:46 +08:00
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const app = express();
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2025-08-30 14:33:49 +08:00
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2025-08-31 00:45:46 +08:00
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console.log('✅ Express应用初始化完成');
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2025-08-30 14:33:49 +08:00
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// 安全中间件
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2025-08-31 00:45:46 +08:00
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app.use(helmet());
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2025-08-30 14:33:49 +08:00
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// CORS配置
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app.use(cors({
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origin: process.env.NODE_ENV === 'production'
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? ['https://your-domain.com']
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2025-09-03 13:25:08 +08:00
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: ['https://www.jiebanke.com', 'https://admin.jiebanke.com', 'https://webapi.jiebanke.com'],
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2025-08-30 14:33:49 +08:00
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credentials: true
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2025-08-31 00:45:46 +08:00
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}));
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2025-08-30 14:33:49 +08:00
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// 请求日志
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if (process.env.NODE_ENV === 'development') {
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2025-08-31 00:45:46 +08:00
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app.use(morgan('dev'));
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2025-08-30 14:33:49 +08:00
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} else {
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2025-08-31 00:45:46 +08:00
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app.use(morgan('combined'));
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2025-08-30 14:33:49 +08:00
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}
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// 请求频率限制
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const limiter = rateLimit({
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windowMs: 15 * 60 * 1000, // 15分钟
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max: process.env.NODE_ENV === 'production' ? 100 : 1000, // 生产环境100次,开发环境1000次
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message: {
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success: false,
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code: 429,
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message: '请求过于频繁,请稍后再试',
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timestamp: new Date().toISOString()
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}
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2025-08-31 00:45:46 +08:00
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});
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app.use('/api', limiter);
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2025-08-30 14:33:49 +08:00
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// 请求体解析
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2025-08-31 00:45:46 +08:00
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app.use(express.json({ limit: '10kb' }));
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app.use(express.urlencoded({ extended: true, limit: '10kb' }));
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2025-08-30 14:33:49 +08:00
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// 数据清洗
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2025-08-31 00:45:46 +08:00
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app.use(xss()); // 防止XSS攻击
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2025-08-30 14:33:49 +08:00
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app.use(hpp({ // 防止参数污染
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whitelist: [
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'page',
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'pageSize',
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'sort',
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'fields',
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'price',
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'rating',
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'distance'
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]
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2025-08-31 00:45:46 +08:00
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}));
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2025-08-30 14:33:49 +08:00
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// 静态文件服务
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2025-08-31 00:45:46 +08:00
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app.use('/uploads', express.static('uploads'));
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2025-08-30 14:33:49 +08:00
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2025-08-30 15:29:51 +08:00
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// Swagger文档路由
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if (process.env.NODE_ENV === 'development' || process.env.ENABLE_SWAGGER === 'true') {
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2025-08-31 00:45:46 +08:00
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app.use('/api-docs', swaggerUi.serve, swaggerUi.setup(swaggerSpec));
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2025-09-03 13:25:08 +08:00
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console.log('📚 Swagger文档已启用: https://webapi.jiebanke.com/api-docs');
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2025-08-30 15:29:51 +08:00
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}
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2025-08-30 14:33:49 +08:00
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// 健康检查路由
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app.get('/health', (req, res) => {
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res.status(200).json({
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status: 'OK',
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timestamp: new Date().toISOString(),
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uptime: process.uptime(),
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2025-09-11 15:05:23 +08:00
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environment: process.env.NODE_ENV || 'development',
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noDbMode: NO_DB_MODE
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2025-08-31 00:45:46 +08:00
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});
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});
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2025-08-30 14:33:49 +08:00
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2025-08-31 23:26:25 +08:00
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// 系统统计路由
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app.get('/system-stats', (req, res) => {
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const stats = {
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status: 'OK',
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timestamp: new Date().toISOString(),
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environment: process.env.NODE_ENV || 'development',
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nodeVersion: process.version,
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memoryUsage: process.memoryUsage(),
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uptime: process.uptime(),
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cpuCount: require('os').cpus().length,
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platform: process.platform,
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architecture: process.arch,
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noDbMode: NO_DB_MODE
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2025-08-31 23:26:25 +08:00
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};
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res.status(200).json(stats);
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});
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2025-09-11 15:05:23 +08:00
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// 无数据库模式下的模拟路由
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if (NO_DB_MODE) {
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// 认证路由
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app.use('/api/v1/auth', (req, res) => {
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if (req.method === 'POST' && req.path === '/login') {
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// 模拟登录响应
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res.status(200).json({
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success: true,
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message: '模拟登录成功',
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data: {
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token: 'mock-jwt-token',
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user: {
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id: 1,
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username: 'mockuser',
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email: 'mock@example.com',
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role: 'user'
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}
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}
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});
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} else {
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res.status(503).json({
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success: false,
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message: '当前为无数据库模式,该功能不可用'
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});
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}
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});
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// 其他路由的通用响应
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app.use('/api/v1/users', (req, res) => {
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res.status(503).json({
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success: false,
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message: '当前为无数据库模式,用户管理功能不可用'
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});
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});
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app.use('/api/v1/travel', (req, res) => {
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res.status(503).json({
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success: false,
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message: '当前为无数据库模式,旅行相关功能不可用'
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});
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});
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app.use('/api/v1/animals', (req, res) => {
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res.status(503).json({
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success: false,
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message: '当前为无数据库模式,动物相关功能不可用'
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});
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});
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app.use('/api/v1/orders', (req, res) => {
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res.status(503).json({
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success: false,
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message: '当前为无数据库模式,订单相关功能不可用'
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});
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});
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app.use('/api/v1/admin', (req, res) => {
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res.status(503).json({
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success: false,
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message: '当前为无数据库模式,管理员功能不可用'
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});
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});
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} else {
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// API路由
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app.use('/api/v1/auth', authRoutes);
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app.use('/api/v1/users', userRoutes);
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app.use('/api/v1/travel', travelRoutes);
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app.use('/api/v1/animals', animalRoutes);
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app.use('/api/v1/orders', orderRoutes);
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// 管理员路由
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app.use('/api/v1/admin', adminRoutes);
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}
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2025-08-30 14:33:49 +08:00
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// 404处理
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app.use('*', notFound);
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// 全局错误处理
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2025-08-31 00:45:46 +08:00
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app.use(globalErrorHandler);
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2025-08-30 14:33:49 +08:00
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2025-08-31 00:45:46 +08:00
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console.log('✅ 应用配置完成');
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2025-08-30 14:33:49 +08:00
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2025-08-31 00:45:46 +08:00
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module.exports = app;
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