解决方法：
CREATE USER ‘root‘@‘localhost‘ IDENTIFIED BY ‘password‘;
grant all privileges on *.* to ‘root‘@‘localhost‘ identified by ‘password‘ with grant option;可以讲password，改成你要设置的密码
Access denied for user 'root'@'localhost' (using password: YES)
原文：http://blog.csdn.net/zc123456zzc/article/details/45504923