const express =require('express'); const app = express(); const router = require('./router') const bodyparser = require('body-parser') const cors = require('cors') //跨域配置 app.use(cors()); app.use(bodyparser.urlencoded({ extended:true })) app.use("/api",router) app.listen(3300,()=>{ console.log('服务器运行在3300端口') })