hibernate中, 查詢數據進行分頁:
public void testPage(){
int currentPage = 2;//第幾頁數據
int pageSize = 3;//每頁多少條數據
Session session = HibernateUtil.getInstance().getSession();
//limit ?, ?
List<Employee> l = session.createQuery("FROM Employee")
.setFirstResult((currentPage-1)*pageSize)
.setMaxResults(pageSize)
.list();
for(Employee e : l){
System.out.println(e);
}
session.close();
}
查詢數據總數:
public void testTotalCount(){
Session session = HibernateUtil.getInstance().getSession();
//select count(*) from employee
// List l = session.createQuery("SELECT COUNT(e) FROM Employee e").list();
// System.out.println(l.get(0));
Long total = (Long) session.createQuery("SELECT COUNT(e) FROM Employee e").uniqueResult();
System.out.println(total);
session.close();
}