19-Node.js study notes -Express- request parameter acquisition process -Get

Get GET parameters

With Express req.query frame to a GET parameter, internal frame will be converted to an object GET parameter and returns

//接收地址栏中问号后面的参数
//例如:http://localhost:3000/?name=zhangsan&age=30
app.get('/',(req,res)=>{
    console.log(req,query);//{"name":"zhangsan","age":"30"}
});

//引入express框架
const express  = require('express');
//创建网站服务器
const app = express();

app.get('/index',(req,res)=>{
    //获取get请求参数
    res.send(req.query)//{"name":"柠檬不酸","age":"18"}
})
//监听端口
app.listen(3000);
console.log('网站服务器启动成功');