1安装服务：mysqld --install
2初始化： mysqld --initialize --console
3开启服务：net start mysql
4关闭服务：net stop mysql
5登录mysql：mysql -u root -p
Enter PassWord：(密码)
6修改密码：alter user 'root'@'localhost' identified with mysql_native_password by ;(by 接着的是密码)
