1.解压
2.管理员模式打开cmd,cd到mysql下的bin
3.mysqld --initialize-insecure 自动创建data文件夹
4.my-default.ini 文件创建
basedir = D:\Program Files\mysql-5.7.17-winx64(mysql解压缩)
datadir = D:\Program Files\mysql-5.7.17-winx64\data
5.mysqld install
6.net start mysql
6.mysql -u root -p
7.set password =password('密码');