无法远程连接mysql服务器

linux：

有可能是权限问题，请执行以下语句：
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION;

windows：

1，检查端口3306端口是否开启 

2，GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION;