MySQL：修改MySQL登录密码

在MySQL cmd中：

1.1：ALTER USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘password‘ PASSWORD EXPIRE NEVER; #修改加密规则 

1.2：ALTER USER ‘root‘@‘localhost‘ IDENTIFIED WITH mysql_native_password BY ‘password‘; #更新一下用户的密码 

1.3：FLUSH PRIVILEGES; #刷新权限 

1.4：再重置下密码：alter user ‘root‘@‘localhost‘ identified by ‘123456‘;