nodejs 连接 mysql

const mysql=require('mysql');

//创建连接对象

const connection=mysql.createConnection({

    host:'localhost',

    user:'root',

    password:'123123',

    port:'3306',

    database:'admin_demo'

})

//开始连接

connection.connect();

//执行mysql语句

const sql = 'select * from `user`'

connection.query(sql,(err,result)=>{

    if(err){

        console.log(err)

        return;

    }

    console.log('result',result);

})

//关闭连接

connection.end();