SSH1/二 J2EE 纯Java版分页查询
日期：2014-05-19 浏览次数：20855 次
SSH1/2 J2EE 纯Java版分页查询
实体bean---------> PageBean.java
JSP页面
实体bean---------> PageBean.java
package com.demo.page;
import java.util.List;
public class PageBean {
/*==============================================================*/
private List resultList;//结果集
private int recordSUM;//总记录数
private int pageSUM;//总页数
private int currentPage;//当前页
private int pageSize;//页记录数
private boolean isFirstPage;//是否是第一页
private boolean isLastPage;//是否是最后一页
private boolean hasPreviousPage;//是否有上一页
private boolean hasNextPage;//是否有下一页
/*===========================初始化===================================*/
public void init(){
this.isFirstPage = isFirstPage();
this.isLastPage = isLastPage();
this.hasPreviousPage = isHasPreviousPage();
this.hasNextPage = isHasNextPage();
}
/*=============================总页数=================================*/
public static int countTotalPage(int pageSize,int recordSUM){
int totalPage = recordSUM % pageSize == 0 ? recordSUM/pageSize : recordSUM/pageSize+1;
return totalPage;
}
/*============================当前页开始记录号 ==================================*/
public static int countOffset(final int pageSize,final int currentPage){
final int offset = pageSize*(currentPage-1);
return offset;
}
/*=============================当期页=================================*/
public static int countCurrentPage(int page){
final int curPage = (page==0?1:page);
return curPage;
}
/*============================判断当前页的状态==================================*/
public boolean isFirstPage() {
return currentPage == 1;
}
public boolean isLastPage() {
return currentPage == pageSUM;
}
public boolean isHasPreviousPage() {
return currentPage != 1;
}
public boolean isHasNextPage() {
return currentPage != pageSUM;
}
/*===========================Get/Set方法===================================*/
public List getResultList() {
return resultList;
}
public void setResultList(List resultList) {
this.resultList = resultList;
}
public int getRecordSUM() {
return recordSUM;
}
public void setRecordSUM(int recordSUM) {
this.recordSUM = recordSUM;
}
public int getPageSUM() {
return pageSUM;
}
public void setPageSUM(int pageSUM) {
this.pageSUM = pageSUM;
}
public int getCurrentPage() {
return currentPage;
}
public void setCurrentPage(int currentPage) {
this.currentPage = currentPage;
}
public int getPageSize() {
return pageSize;
}
public void setPageSize(int pageSize) {
this.pageSize = pageSize;
}
/*==============================================================*/
}
JSP页面
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'listUser.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<table border="" >
<tr>
<td><input type="checkbox"></td><td>用户名</td><td>密码</td><td>性别</td><td>年龄</td><td>邮箱</td><td>地址</td>
</tr>
<s:iterator value="resultList" id="user">
<tr>
<td><input type="checkbox"></td>
<td><s:property value="#user.username"/></td&
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