mysql -u root -p
use mysql;
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION;
GRANT 表明权限命令; ALL 表明全部命令; *.* 表明全部数据库; root 表明远程链接的用户名; % 全部人均可以访问; password 替换为本身的密码mysql
FLUSH PRIVILEGES;
service mysqld restart