/FeedList.cqzk',striped: true,pagination: true,pageList: [3,5,20],pageSize:3,pageNumber:1,sidePagination:'server',//设置为服务器端分页 columns: [{ field: 'title',title: '标题' },{ field: 'creatTime',title: '时间' } ] });

@RequestMapping(value = "/FeedList.cqzk")
@ResponseBody
public String url_ad1(HttpServletRequest request,BootPage page)
throws ServletException,IOException,RuntimeException{

@SuppressWarnings("unchecked")
// List list = feedBackDao.find("from Feedback");
BootPage pager = feedBackDao.getByPage("from Feedback",page,null);
System.out.println((JSONArray.fromObject(pager)).getString(0).toString());
return (JSONArray.fromObject(pager)).getString(0).toString();
// 不写.getString(0) 就多一个中括号，返回的就是数组，写了就是返回第一个对象。
}

public BootPage getByPage(String hql,BootPage pager,Map<String,Object> condition){
if (pager == null) {
throw new IllegalArgumentException("分页 不能为空!");
}

Query q = sessionFactory.getCurrentSession().createQuery(hql);
q.setFirstResult(pager.getOffset());
q.setMaxResults(pager.getLimit());

if (condition != null) {
q.setProperties(condition);
}
pager.setRows(q.list());
pager.setTotal(this.countAll(hql,condition));
return pager;

}
protected Long countAll(String hql,Object> condition) {
if (hql == null) {
return 0l;
}
String tmpHql = hql.toLowerCase();
String regex = hql.substring(0,tmpHql.indexOf("from"));
hql = hql.replaceFirst(regex,"select count(*) ");
Query q = sessionFactory.getCurrentSession().createQuery(hql);
if (condition != null) {
q.setProperties(condition);
}
return (Long) q.uniqueResult();
}

public final class BootPage {

protected Long total;

protected List rows;

protected int limit=0;

protected int offset = 0;

protected String order ="asc" ;