1.idea注册码下载地址:
http://idea.lanyus.com/
2.mySQL压缩包安装方法:
https://www.cnblogs.com/jamespan23/p/5953133.html
3.nodeJS 环境安装
https://www.cnblogs.com/zhouyu2017/p/6485265.html https://blog.csdn.net/liu_shi_jun/article/details/80957335
//注意环境变量的配置,以及NODE_PATH
4.MqSQL卸载
https://www.liangzl.com/get-article-detail-37893.html