nodejs操作mysql实现增删改查一看就懂

首先是连接语句: var mysql = require('mysql'); var connection = mysql.createConnection({ host:'localhost', user:'root', password:'123456', port:'3306', database:'registerdb' }); connection.connect((err)=>{ if(err){ throw err; } console.log('连接成功'); }); //中间编写查插删改语句