express模块需要npm或yarn安装
const express = require('express') const app = express() app.use((request, response, next) => { console.log('连接服务') next() }) app.get('/demo', (request, response) => { const data = { code: 200, data: [{ id: 1 }, { id: 2 }], msg: '获取成功' } response.send(data) }) app.listen(5000, err => { if (!err) console.log('服务器启动成功') })
serve.js是当前文件名
node serve.js