How to use node to build a server

1. Create a new blank project

 

2. Initialize npm

npm init -y

3. Install express

npm install express -s

 

4.lanbowan_server/Index.js:

Create a new index.js file in the root directory

const express=require('express')
const router=require('./router/router.js')
// 创建服务器
const app=express();

app.use('/',router)


app.listen('7788',()=>{
	console.log('服务端启动成功啦。。。。。');
	console.log('http://localhost:7788');
})

lanbowan_serve/router/router.js:

const express=require('express')
// 路由
const router=express.Router();

router.get('/test',(req,res)=>{
	res.send({
		data:'测试成功'
	})
})


module.exports=router;

 

5. Test whether the server is successful

Replenish:

Automatically restart services using nodemon

Global installation

npm install -g nodemon

Development environment installation

npm install --save-dev nodemon

Enter nodemon directly when using