query.addScalar("id", Hibernate.LONG);
query.addScalar("time", Hibernate.TIMESTAMP);
query.addScalar("score",Hibernate.DOUBLE);
query.addScalar("type",Hibernate.STRING);
query.addScalar("status",Hibernate.INTEGER);
query.addScalar("description",Hibernate.STRING);
List result = query.setFirstResult((pageNum-1)*pageSize).setMaxResults(
pageSize).list();
System.out.println(result);
return result;
}