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       οnmοuseοver="this.style.backgroundColor='#DBE4FF';this.style.cursor='hand'"       οnmοuseοut="this.style.backgroundColor='#ffffff';this.style.cursor='default'"       οndblclick="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>                 <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>     <a href="ToMainAction?pageNum=<s:property value="pageIntNum-1"/>">上一页</a>     </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>     <a href="ToMainAction?pageNum=<s:property value="pageIntNum-1"/>">上一页</a>     <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。