关于struts分页我的收藏

来源：互联网发布：手机挂号软件编辑：程序博客网时间：2024/04/30 14:24

共分为以下几部分，是我在struts项目中的案例——————

1、page 的javascript脚本

function mypage()
{


    this.frm;
    this.init = initPage;
    this.nextPage = nextPage;
    this.previousPage = previousPage;
    this.firstPage = firstPage;
    this.lastPage = lastPage;
    this.goPage = goPage;

    function initPage(frmname)
    {
        this.frm = document.forms[frmname];


    }

    function firstPage()
    {
    if(this.frm.elements["curentPage"].value==1||this.frm.elements["curentPage"].value==0);
    else {
    this.frm.elements["curentPage"].value=parseInt(1);
    this.frm.elements["action"].value="pagequery";
    var frm = this.frm;
     frm.submit();
      }
    }

function isNumber( s ){
var regu = "^[0-9]+$";
var re = new RegExp(regu);
if (s.search(re) != -1) {
    return true;
} else {
    return false;
}
}

2、页面（主要是红字部分）：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic"%>
<html:html>

<BODY bgcolor=#FFFFFF >
<html:form action="/rejectList.do" method="post">
<html:hidden property="action" value="query"/>
<html:hidden property="curentPage" />
<html:hidden property="pageCount" />
<html:hidden property="onePageNum" />
<html:hidden property="recordNum" />
<script>
var myPage = new mypage();
myPage.init("0");
</script>

<table width="618" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
     <td width=6 background="/dcdy/images/r1_011.jpg" height="12"></td>
     <td valign=top align=left background=/dcdy/images/r1_031.jpg height=12></td>
     <td width=6 background="/dcdy/images/r1_041.jpg"></td>
</tr>
<tr>
    <td width=6 background="/dcdy/images/r1_05.jpg" height="1"></td>


    <td valign=top align=center><br>
       <table cellspacing=1 cellpadding=0 width="578" border=0 align="center" bgcolor=#7C93ED>
      <caption class="tableCell"><font size="3">列表</font> </caption>
              <tr bgcolor="#F7F7F7">
                <td><div align="center">号</div></td>
       <td><div align="center">操作员</div></td>
       <td><div align="center">人</div></td>
       <td><div align="center">原因</div></td>
       <td colspan="2"><div align="center">操作</div></td>
     </tr>
     <logic:iterate name="rs" id="register" scope="request" type="java.util.HashMap">
     <tr onMouseOver="this.style.backgroundColor='#FFFFFF'" onMouseOut="this.style.backgroundColor='#E2EEF8'" bgcolor='#E2EEF8' align='left' )" style="cursor: hand">
       <td><bean:write name="register" property="pledgereg_id"/></td>
       

       <td><bean:write name="register" property="user_id"/></td>
       <td><bean:write name="register" property="checkuser_id"/></td>
       <td><bean:write name="register" property="bak"/></td>
        <td align="center">
        <a href="rejectList.do?action=edit&&key=<bean:write name="register" property="pledgereg_id"/>">修改</a>
        <a href="rejectList.do?action=del&&key=<bean:write name="register" property="pledgereg_id"/>">删除</a>
       </td>
     </tr>
     </logic:iterate>

     <tr class="content1" bgcolor="#F7F7F7">
      <td height="20" colspan="17">
<div align="left">

      <a href="javascript:myPage.firstPage()">第一页</a>
      <a href="javascript:myPage.nextPage()">下一页</a>
      <a href="javascript:myPage.previousPage()">上一页</a>
                    <a href="javascript:myPage.lastPage()">最后一页</a>
                     
                    第<script>document.write(document.forms[0].elements["curentPage"].value)</script>页 /
                    共<script>document.write(document.forms[0].elements["pageCount"].value)</script>页
                                 
                    跳转至
                    </font><INPUT type="text" name="pageNO" width="1" size="10">页<INPUT
      name="Submit" type="button" id="Submit" value="跳转"
      onclick="javascript:myPage.goPage();" style="cursor:hand;"></div>
      </td>
    </tr>
   </table>
        <p>
</td>

    <td width=6 background="/dcdy/images/r1_07.jpg" height="1"></td>
</tr>
<tr>
     <td width=6 background="/dcdy/images/r1_08.jpg" height="6"></td>
     <td valign=top align=left background=/dcdy/images/r1_09.jpg height="6"></td>
     <td width=6 background="/dcdy/images/r1_10.jpg" height="6"></td>
</tr>

</table>
</html:form>
</BODY>
</html:html>

3、后台java程序

接受类Action

public class CheckFinishList extends Action

{

    public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm,
            HttpServletRequest httpServletRequest, HttpServletResponse response)
            throws Exception {

    HttpServletRequest request = httpServletRequest;
    Approvedao dao = new Approvedao();
   String dept_id = request.getSession().getAttribute("dept_id").toString();
   RePrintPageActionForm mqf = (RePrintPageActionForm) actionForm;
   String action;
    if(request.getParameter("action").equals("") || request.getParameter("action")==null)
        {
          action="query";
        }
        else
        {
          action=request.getParameter("action");
        }


   if(action.equals("query")||action.equals("fellback")||action.equals("del"))
   {
       List queryList=(List)dao.getAllregister(dept_id);

       mqf.setRecordNum(queryList.size());
       mqf.setOnePageNum(15);
       if(mqf.getRecordNum()%mqf.getOnePageNum()==0)
         mqf.setPageCount(mqf.getRecordNum() /mqf.getOnePageNum());
       else mqf.setPageCount(mqf.getRecordNum()/mqf.getOnePageNum()+1);
       if(mqf.getRecordNum()==0){
         request.setAttribute("rs",new ArrayList());
         mqf.setCurentPage(0);
         return (actionMapping.findForward("view"));
       }
       if(Integer.toString(mqf.getCurentPage()).equals("0"))
               mqf.setCurentPage(1);
       List showList=dao.getShowList(queryList,mqf.getPageCount(),mqf.getCurentPage(),mqf.getOnePageNum(),mqf.getRecordNum());
         request.setAttribute("rs",showList);

    return (actionMapping.findForward("view"));
   }

       if(action.equals("pagequery"))
   {

       List queryList=(List)dao.getAllregister(dept_id);
       mqf.setRecordNum(queryList.size());
       mqf.setOnePageNum(15);
       if(mqf.getRecordNum()%mqf.getOnePageNum()==0)
         mqf.setPageCount(mqf.getRecordNum()/mqf.getOnePageNum());
       else mqf.setPageCount(mqf.getRecordNum()/mqf.getOnePageNum()+1);
       List showList=dao.getShowList(queryList,mqf.getPageCount(),mqf.getCurentPage(),mqf.getOnePageNum(),mqf.getRecordNum());
         request.setAttribute("rs",showList);
    return (actionMapping.findForward("view")); //此处的view转向pageAction.do
     }

   return null;

}
}

还用到了一个dao里的getShowList(queryList,mqf.getPageCount(),mqf.getCurentPage(),mqf.getOnePageNum(),mqf.getRecordNum())函数

//分页查询
   public List getShowList(List queryList,int count,int page,int onepageNum,int total)
   {


    ArrayList rslist = new ArrayList();
    if(count==page){
     for(int i=(page-1)*onepageNum;i<total;i++){
     rslist.add(queryList.get(i));
     }
    }
    else{
     for(int i=(page-1)*onepageNum;i<page*onepageNum;i++){
     rslist.add(queryList.get(i));
     }
    }
      return rslist;
    }

4、配置文件 xml

<action type = "publicpackage.PageAction"
        name = "pageActionForm"
        scope = "request"
        path = "/pageAction">
       <forward name = "result" path = "/logmanager/loglist.jsp"/>
       <forward name = "cautionpage" path = "/caution/viewcaution.jsp"/>
       <forward name = "cueditpage" path = "/closeup.edit/editList.jsp"/>
       <forward name = "woauditingpage" path = "/writeoff.auditing/auditingList.jsp"/>
       <forward name = "wofellbackpage" path = "/writeoff.fellback/rejectList.jsp"/>
       <forward name = "woprintpage" path = "/writeoff.print/printList.jsp"/>
       <forward name = "woapprovepage" path = "/writeoff.approve/approvelist.jsp"/>
       <forward name = "simplequerypage" path = "/query/simplelist.jsp"/>
     </action>
5、Pageaction和Form

/*
* 创建日期 2005-12-12
*
* TODO 要更改此生成的文件的模板，请转至
* 窗口－首选项－ Java －代码样式－代码模板
*/
package publicpackage;
import java.util.ArrayList;
import java.util.List;

import org.apache.struts.action.*;

import javax.servlet.http.*;
/**
* @author Administrator
*
* TODO 要更改此生成的类型注释的模板，请转至
* 窗口－首选项－ Java －代码样式－代码模板
*/
public class PageAction extends Action{
public ActionForward execute(ActionMapping mapping,ActionForm form,HttpServletRequest request, HttpServletResponse response) throws Exception{
  PageActionForm paf = (PageActionForm)form;
  List allResult = (List)request.getSession().getAttribute("pagelist");
  String pageFlag = request.getSession().getAttribute("pageflag").toString();
  paf.setRecordNum(allResult.size());
      if(paf.getRecordNum()%paf.getOnePageNum()==0)
        paf.setPageCount(paf.getRecordNum()/paf.getOnePageNum());
      else paf.setPageCount(paf.getRecordNum()/paf.getOnePageNum()+1);


      if(paf.getRecordNum()==0){
        request.setAttribute("rs",new ArrayList());
        return (mapping.findForward(this.getPageModel(pageFlag)));
      }
      if(paf.getCurentPage()==0)
        paf.setCurentPage(1);
      List showList=this.getShowList(allResult,paf.getPageCount(),paf.getCurentPage(),paf.getOnePageNum(),paf.getRecordNum());
      request.setAttribute("rs",showList);
     return (mapping.findForward(this.getPageModel(pageFlag)));
}

//分页功能
public List getShowList(List queryList,int count,int page,int onepageNum,int total){
ArrayList rslist = new ArrayList();
if(count==page){
  for(int i=(page-1)*onepageNum;i<total;i++){
   rslist.add(queryList.get(i));
  }
}
else{
  for(int i=(page-1)*onepageNum;i<page*onepageNum;i++){
   rslist.add(queryList.get(i));
  }
}
     return rslist;
}

//得到需要分页的模块
private String getPageModel(String str){
if(str.equals("log"))
  return "result";
else if(str.equals("caution"))
  return "cautionpage";
else if(str.equals("woauditing"))
  return "woauditingpage";
else if(str.equals("wofellback"))
  return "wofellbackpage";
else if(str.equals("woapprove"))
  return "woapprovepage";
else if(str.equals("woprint"))
  return "woprintpage";
else if(str.equals("cuedit"))
  return "cueditpage";
else if(str.equals("simplequery"))
  return "simplequerypage";
else
  return null;
}
}
========form=====

/*
* 创建日期 2005-12-12
*
* TODO 要更改此生成的文件的模板，请转至
* 窗口－首选项－ Java －代码样式－代码模板
*/
package publicpackage;
import org.apache.struts.action.*;

/**
* @author Administrator
*
* TODO 要更改此生成的类型注释的模板，请转至
* 窗口－首选项－ Java －代码样式－代码模板
*/
public class PageActionForm extends ActionForm{
private int curentPage = 0;
private int pageCount = 0;
private int onePageNum = 15;
private int recordNum = 0;

/**
* @return 返回 curentPage。
*/
public int getCurentPage() {
  return curentPage;
}
/**
* @param curentPage 要设置的 curentPage。
*/
public void setCurentPage(int curentPage) {
  this.curentPage = curentPage;
}
/**
* @return 返回 onePageNum。
*/
public int getOnePageNum() {
  return onePageNum;
}
/**
* @param onePageNum 要设置的 onePageNum。
*/
public void setOnePageNum(int onePageNum) {
  this.onePageNum = onePageNum;
}
/**
* @return 返回 pageCount。
*/
public int getPageCount() {
  return pageCount;
}
/**
* @param pageCount 要设置的 pageCount。
*/
public void setPageCount(int pageCount) {
  this.pageCount = pageCount;
}
/**
* @return 返回 recordNum。
*/
public int getRecordNum() {
  return recordNum;
}
/**
* @param recordNum 要设置的 recordNum。
*/
public void setRecordNum(int recordNum) {
  this.recordNum = recordNum;
}
}

关于struts分页 我的收藏

关于struts分页我的收藏