100分求STRUTS实现分页源码或控件

Question

http://www.yourblog.org/Data/20043/27958.html

Answer 1

一气之下我自己写了一个分页,还很通用呢,IT'S FREE,喜欢以后大家有技术或做过的都互相公开代码,中国缺的不是技术而是技术流通,这样不好,要超过老美,必须做到技术在最大领域内流通!!STRUTS+HIBERNATE+ORACLE 分页实现如下:
struts-config.xml:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN" "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
<struts-config>
   <data-sources />
         <form-bean name="MessageForm" type="com.ecc.struts.message.formbean.MessageForm" />
   </form-beans>   <global-exceptions />
   <global-forwards />
   <action-mappings >
      <action
         attribute="MessageForm"
         input="/jsp/message.jsp"
         name="MessageForm"
         path="/message"
         scope="request"
         type="com.ecc.struts.message.action.MessageAction" >
         <forward name="success" path="/jsp/message.jsp"/> 
         <forward name="noitemfound" path="jsp/noitemfound_in_search.jsp"/>   
  </action>     
             
   </action-mappings>   <controller bufferSize="4096" debug="0" />
   <message-resources parameter="com.ecc.struts.ApplicationResources" />
</struts-config>
MessageForm.java://Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_3.8.2/xslt/JavaClass.xslpackage com.ecc.struts.message.formbean;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import java.util.*;
/** 
 * MyEclipse Struts
 * Creation date: 01-06-2005
 * 
 * XDoclet definition:
 * @struts:form name="testRegistForm"
 */
public class MessageForm extends ActionForm {
    public MessageForm(){}
private String label1=""; /**
 * @return
 */
public String getLabel1() {
return label1;
} /**
 * @param string
 */
public void setLabel1(String string) {
label1 = string;
}
private Vector meisai = new Vector();
public void setMeisai(Vector meisai) {this.meisai = meisai; }
public Vector getMeisai(){return meisai; }

private int currentPage=0;

/**
 * @return
 */
public int getCurrentPage() {
return currentPage;
} /**
 * @param i
 */
public void setCurrentPage(int i) {
currentPage = i;
}
private int totalPage=0;

/**
 * @return
 */
public int getTotalPage() {
return totalPage;
} /**
 * @param i
 */
public void setTotalPage(int i) {
totalPage = i;
}}

Answer 2

MessageAction.java:
//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_3.8.2/xslt/JavaClass.xslpackage com.ecc.struts.message.action;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.SessionActionMapping;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import com.ecc.struts.message.formbean.*;
import com.ecc.util.*;
import java.security.*;
import com.ecc.util.security.password.*;
import com.ecc.exception.regist.*;
import com.ecc.hibernate.db.*;
import net.sf.hibernate.*;
import net.sf.hibernate.cfg.*;
import com.ecc.hibernate.*;
import com.ecc.hibernate.hbm.*;
import java.util.*;
public class MessageAction extends Action{ // --------------------------------------------------------- Instance Variables // --------------------------------------------------------- Methods /** 
 * Method execute
 * @param mapping
 * @param form
 * @param request
 * @param response
 * @return ActionForward
 */
private void setPage(ActionForm form,int currentPage){
Transaction tx=null;
Session session=null;
int totalCount=0;
String playerid="";
String team="";
String displayname="";
int firstIndex=0;
int itemsInPerPage=10;
try{
MessageForm messageForm = (MessageForm) form;
session = HbUnit.getSession();
tx= session.beginTransaction();
currentPage=messageForm.getCurrentPage();
if (currentPage<=0){
messageForm.setCurrentPage(1);
firstIndex=0;
}else
{
firstIndex=currentPage*itemsInPerPage-itemsInPerPage;
}
String sql="select player from Player as player";
Query query = session.createQuery
(sql);
query.setFirstResult(firstIndex);
query.setMaxResults(itemsInPerPage);
Iterator it=query.iterate();
Vector meisaiList=new Vector();
while(it.hasNext()){
Player player=(Player)it.next();
playerid=StrHandle.replaNull(player.getPlayerId());
team=StrHandle.replaNull(player.getTeam());
displayname=StrHandle.replaNull(player.getDisplayName());
MeisaiBean meisai=new MeisaiBean(); meisai.setLabel_1(playerid);
meisai.setLabel_2(team);
meisai.setLabel_3(displayname);
meisaiList.add(meisai);
}
messageForm.setMeisai(meisaiList);
tx.commit();
}
catch(Exception ex){
try{
tx.rollback();
}catch(Exception eex){
}
System.out.println(ex);
ex.printStackTrace();
}finally{
try{
HbUnit.closeSession();
}catch(Exception ex){
}
}
}
private int getRecordSize(){
Transaction tx=null;
Session session=null;
int totalCount=0;
try{
session = HbUnit.getSession();
tx= session.beginTransaction();
totalCount=( (Integer) session.iterate("select count(*) from Player").next() ).intValue();
tx.commit();
return totalCount;
}
catch(Exception ex){
try{
tx.rollback();
}catch(Exception eex){
}
System.out.println(ex);
ex.printStackTrace();
return -1;
}finally{
try{
HbUnit.closeSession();
}catch(Exception ex){
}
}
}
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response) {
MessageForm messageForm = (MessageForm) form; String target="";
int size=0;
int perItemsPage=10;
int modItems=0;
int totalPages=0;
int currentPage=0;
try{
currentPage=messageForm.getCurrentPage();
size=getRecordSize();
if(size<=0){
target="noitemfound";
}
else
{
totalPages=size/perItemsPage;
modItems=size%perItemsPage;
if(modItems>0)totalPages+=1;
System.out.println("Record Size:"+size);
System.out.println("Total page:"+totalPages);
messageForm.setTotalPage(totalPages);
setPage(form,currentPage);
System.out.println("total page:"+totalPages);
target="success";
}
}catch(Exception ex){
System.out.println(ex);
ex.printStackTrace();
}
return (mapping.findForward(target));
}
}
Message.jsp如下:
 
<%@ page language="java"%>
<%@ page contentType="text/html; charset=GB2312" %>
<%@ 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> 
<head>
<title>JSP for testRegistForm form</title>
<STYLE type=text/css>
FONT-SIZE: 9pt{
}
A {
COLOR: #000000; TEXT-DECORATION: none
}
A:hover {
TEXT-DECORATION: underline
}
.bt {
BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; FONT-SIZE: 9pt; BORDER-BOTTOM-WIDTH: 0px; WIDTH: 50px; CURSOR: hand; HEIGHT: 16px; BACKGROUND-COLOR: #808080; BORDER-RIGHT-WIDTH: 0px
}
.tx1 {
BORDER-RIGHT: black 1px ridge; BORDER-TOP: black 1px ridge; FONT-SIZE: 9pt; BORDER-LEFT: black 1px ridge; WIDTH: 60pt; COLOR: #000000; BORDER-BOTTOM: #000000 1px ridge; HEIGHT: 20px
}
</STYLE>
</head>
<Script Language="JavaScript">
function gotoNext(){
var currentPage=parseInt(MessageForm.currentPage.value);
var totalPage=parseInt(MessageForm.totalPage.value);
currentPage=currentPage+1;
if(currentPage>totalPage){
currentPage=totalPage;
}
var url="message.do?currentPage="+currentPage;
alert(url);
document.location=url;
}
function gotoPrev(){
var currentPage=parseInt(MessageForm.currentPage.value);
var totalPage=parseInt(MessageForm.totalPage.value);
if(currentPage<=0){
  currentPage=0;
}else{
currentPage=currentPage-1;
}
var url="message.do?currentPage="+currentPage;
alert(url);
document.location=url;
}
function gotoTop(){

var url="message.do?currentPage=1";
alert(url);
document.location=url;
}
function gotoLast(){
var totalPage=parseInt(MessageForm.totalPage.value);
var url="message.do?currentPage="+totalPage;
alert(url);
document.location=url;
}
</Script>
<body>
<html:form name="MessageForm" action="/message.do" type="com.ecc.struts.message.formbean.MessageForm" scope="request">
<html:text property="currentPage"/></br>
<html:text property="totalPage"/></br>
</html:form>
<table>
<tr>
  <td><input value="top" type="button" onclick="gotoTop();">
<td><input value="prev" type="button" onclick="gotoPrev();">
<td><input value="next" type="button" onclick="gotoNext();">
<td><input value="last" type="button" onclick="gotoLast();">
</tr>
</table>
<table border='1'>
<logic:present name="MessageForm" scope="request">
  <logic:iterate id="meisaiList" name="MessageForm" property="meisai" scope="request">
    <tr>
  <td>
   <bean:write name="meisaiList" property="label_1" />
  </td>
  <td>
  <bean:write name="meisaiList" property="label_2" />
  </td>
  <td>
  <bean:write name="meisaiList" property="label_3" />
  </td>
     </tr>
    </logic:iterate>
    </logic:present>
</table>
</body>
</html>