方法一、直接授权
[root@localhost]# mysql -u root -pyourpassword
mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'yourpassword' WITH GRANT OPTION;
mysql>FLUSH PRIVILEGES; #执行刷新权限
方法二:终极方法
注释bind-address = 127.0.0.1
找到mysql.cnf
把bind-address = 127.0.0.1 前面加上 #
即 #bind-address = 127.0.0.1