@Test

    /**

     * 分页

     *

     * 01.查询总记录数

     * 02.每页显示的数据

     * 03.总页数

     */

    public void t1Page(){

        String hql="select count(*) from Teacher";//会返回Long类型

        int counts=((Long)session.createQuery(hql).uniqueResult()).intValue();

        /*页大小*/

        int pageSize=2;

        /*总页数*/

        int totalPages=(counts%pageSize==0)?(counts/pageSize):(counts/pageSize+1);

        /*显示第二页内容*/

        int pageIndex=2;

        hql="from Teacher";

        Query query = session.createQuery(hql);;

        /*从哪一条开始查*/

        query.setFirstResult((pageIndex-1)*pageSize);

        /*设置页大小*/

        query.setMaxResults(pageSize);

        List<Teacher> teachers = query.list();

        for (Teacher t:teachers) {

            System.out.println(t);

        }

    }