授权用户,你想root使用密码从任何主机连接到mysql服务器
\GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'admin123' WITH GRANT OPTION;flush privileges;
如果你想允许用户root从ip为192.168.12.16的主机连接到mysql服务器
\GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.1.16' IDENTIFIED
BY '123456' WITH GRANT OPTION;