您必须配置数据库以授予对该用户名/主机组合的访问权限:http://dev.mysql.com/doc/refman/5.5/en/privilege-system.html [ ^ ]
您还应该为该帐户设置密码以保护数据库.

You must configure the database to grant access to that username/host combination: http://dev.mysql.com/doc/refman/5.5/en/privilege-system.html[^]
You should also set up a password for the account to protect the database.