nihao

package aa;    import static javax.persistence.GenerationType.IDENTITY;    import javax.persistence.Entity;  import javax.persistence.GeneratedValue;  import javax.persistence.Id;  import javax.persistence.Table;    import org.hibernate.annotations.Formula;    /**  * 注解必须是在属性上的，如果有任何一个注解在方法上，那么@Formula将失效  * @author 昆明蜂鸟软件  * @version 0.1.0 2008-7-15 下午06:09:38  */  @Entity  @Table(name = "user", catalog = "test")  public class User {            @Id      @GeneratedValue(strategy = IDENTITY)      private int id;        @Formula("(select COUNT(*) from user)")      private int count;        public int getId() {          return id;      }        public void setId(int id) {          this.id = id;      }        public int getCount() {          return count;      }        public void setCount(int count) {          this.count = count;      }  }