SSH分页

PageModel

package com.xy.util;

import java.util.List;

public class PageModel
{
 private List datas;    // 数据集合
 private int total;     // 数据总数
 private int totalPage; // 数据可分的页数

 public PageModel()
 {
  super();
 }

 public PageModel(List datas, int total, int totalPage)
 {
  super();
  this.datas = datas;
  this.total = total;
  this.totalPage = totalPage;
 }

 public List getDatas()
 {
  return datas;
 }

 public int getTotal()
 {
  return total;
 }

 public int getTotalPage()
 {
  return totalPage;
 }

 public void setDatas(List datas)
 {
  this.datas = datas;
 }

 public void setTotal(int total)
 {
  this.total = total;
 }

 public void setTotalPage(int totalPage)
 {
  this.totalPage = totalPage;
 }
}

IStudentDao

package com.xy.dao;

import com.xy.pojo.Student;
import com.xy.util.PageModel;

public interface IStudentDao
{
 // 分页
 public PageModel GetAllStudent(int start, int pagesize);

}

StuentDaoImpl

package com.xy.dao.impl;

import java.util.List;
import com.xy.dao.IStudentDao;
import com.xy.pojo.Student;
import com.xy.util.PageModel;

public class StuentDaoImpl extends BaseDaoHibernateImpl implements IStudentDao
{

 public PageModel GetAllStudent(int start, int pagesize)
 {
  String sqlCount = "select count(*) from Student";
  int count = ((Long) this.getSession().createQuery(sqlCount).uniqueResult()).intValue();
  List lstStu = this.getSession().

      createQuery("from Student s join fetch s.classes").setFirstResult(start).setMaxResults

      (pagesize).list();
  int totalPage = 0;
  if (count % pagesize == 0)
  {
   totalPage = (count / pagesize);
  }
  else
  {
   totalPage = (count / pagesize) + 1;
  }

  // 得到结果集
  PageModel pm = new PageModel();
  pm.setTotal(count);
  pm.setDatas(lstStu);
  pm.setTotalPage(totalPage);
  return pm;
 }
}

ToMainAction
package com.xy.action;

import com.opensymphony.xwork2.ActionSupport;
import com.xy.dao.IStudentDao;
import com.xy.util.PageModel;

public class ToMainAction extends ActionSupport
{
 private int pageIntNum;    // 用来计算的页码
 private String pageNum;    // 传来的字符串参数
 private IStudentDao sdao;
 private PageModel stuList;
 private int totalPage;

 public String execute()
 {
  if (null != pageNum && !"".equals(pageNum))
  {
   pageIntNum = Integer.valueOf(pageNum);
   int start = (pageIntNum - 1) * 2;
   stuList = sdao.GetAllStudent(start, 2);

  }
  else
  {
   pageIntNum = 1;
   stuList = sdao.GetAllStudent(0, 2);
  }
  return SUCCESS;
 }

 public int getPageIntNum()
 {
  return pageIntNum;
 }

 public String getPageNum()
 {
  return pageNum;
 }

 public IStudentDao getSdao()
 {
  return sdao;
 }

 public PageModel getStuList()
 {
  return stuList;
 }

 public int getTotalPage()
 {
  return totalPage;
 }

 public void setPageIntNum(int pageIntNum)
 {
  this.pageIntNum = pageIntNum;
 }

 public void setPageNum(String pageNum)
 {
  this.pageNum = pageNum;
 }

 public void setSdao(IStudentDao sdao)
 {
  this.sdao = sdao;
 }

 public void setStuList(PageModel stuList)
 {
  this.stuList = stuList;
 }

 public void setTotalPage(int totalPage)
 {
  this.totalPage = totalPage;
 }
}

Main.jsp

<s:iterator value="stuList.datas" var="stu" status="index">
     <tr
      onmouseover="this.style.backgroundColor='#DBE4FF';this.style.cursor='hand'"
      onmouseout="this.style.backgroundColor='#ffffff';this.style.cursor='default'"
      ondblclick="modify(<s:property value="#stu.stuId"/>)">
      <td>
       <s:checkbox name="stuids" fieldValue="%{#stu.stuId}" />
      </td>
      <td>
       <s:property value="#stu.stuId" />
      </td>
      <td>
       <s:property value="#stu.stuName" />
      </td>
      <td>
       <s:if test="#stu.stuSex==1">男</s:if>
       <s:else>女</s:else>
      </td>
      <td>
       <s:property value="#stu.stuAge" />
      </td>
      <td>
       <s:date name="#stu.stuBirth" format="yyyy年MM月dd日" />
      </td>
      <td>
       &nbsp;
       <s:property value="#stu.classes.className" />
      </td>
      <td>
       <s:if test="#stu.stuStatus==1">在职</s:if>
       <s:else>离职</s:else>
      </td>
      <td>
       <a href='stu_todel?id=<s:property value="#stu.stuId" />'>删除</a>
      </td>
     </tr>
    </s:iterator>
   </table>
  </s:form>

<s:if test="data.totalPage>1">
   <s:if test="stuList.totalPage==pageIntNum">

   <a href="ToMainAction?pageNum=1">首页</a>&nbsp;
   <a href="ToMainAction?pageNum=<s:property value="pageIntNum-1"/>">上一页</a>&nbsp;
   </s:if>
   <s:elseif test="pageIntNum==1">
   <a href="ToMainAction?pageNum=<s:property value="pageIntNum+1"/>">下一页</a>

   <a href="ToMainAction?pageNum=<s:property value="data.totalPage"/>">末页</a>
   </s:elseif>
   <s:else>

   <a href="ToMainAction?pageNum=1">首页</a>&nbsp;
   <a href="ToMainAction?pageNum=<s:property value="pageIntNum-1"/>">上一页</a>&nbsp;
   <a href="ToMainAction?pageNum=<s:property value="pageIntNum+1"/>">下一页</a>

   <a href="ToMainAction?pageNum=<s:property value="data.totalPage"/>">末页</a>

   </s:else>
   当前第<s:property value="pageIntNum" />页
   共<s:property value="data.totalPage" />页

</s:if>

SSH的配置与一般项目无区别。