在Hibernate2.0之前版本list.get(0)返回的是Integer类型.
但是在Hibernate3.0以后版本list.get(0)返回的是Long类型.
public Integer getUsersCount() {
String hql = "select count(*) from Users";
List list = super.pageQuery(hql);
Number num = (Number) list.get(0);
return num.intValue();
}
