import dotenv from 'dotenv' dotenv.config() // 连接数据库 import connectDB from './database.js' await connectDB() import express from 'express' import { userRouter } from './controller/user.js' import { stabilityRouter } from './controller/stability.js' import { standardRouter } from './controller/standard.js' const app = express() app.use(express.json()) // 注册路由 app.use('/api/user', userRouter) app.use('/api/stability', stabilityRouter) app.use('/api/standard', standardRouter) // 从环境变量中读取端口号,如果环境变量中没有指定端口号,则使用默认的端口号 const PORT = process.env.PORT || 5000 app.listen(PORT, () => { console.log(`Server is running on http://localhost:${PORT}`) })