單獨使用JpaSpecificationExecutor<T>導致不能創建IUserDao對象
解決方法和JpaRepository<User, Long>一起使用
@Repository("userDao")
public interface IUserDao extends JpaSpecificationExecutor<User>,JpaRepository<User, Long>{}
具體看http://blog.csdn.net/zgf19930504/article/details/50537248