先用cmd打开操作台
输入指令:
mysql -uroot -p
输入密码:
设置权限:
grant all privileges on *.* to 'root'@'%' identified by '123456';

刷新权限:
flush privileges;

退出:

先用cmd打开操作台
输入指令:
mysql -uroot -p
输入密码:设置权限:
grant all privileges on *.* to 'root'@'%' identified by '123456';
刷新权限:
flush privileges;
退出: