一个通用的JavaScript分页
1.JavaScript代码
- Pagination=function(id)
 - {
 - var totalNum=0;
 - var maxNum=10;
 - var pageUrl="";
 - var breakpage = 5;
 - var currentposition = 0;
 - var breakspace = 2;
 - var maxspace = 4;
 - var currentpage=1;
 - var perpage=10;
 - var id =id;
 - this.initPage = function(pageName)
 - {
 - var count = this.getTotalNum();
 - perpage = this.getMaxNum();
 - if (currentpage==null){
 - currentpage = 1;
 - }else{
 - currentpage = parseInt(currentpage);
 - }
 - var pagecount = Math.floor(count/perpage)+1;
 - var pagestr = "";
 - var prevnum = currentpage-currentposition;
 - var nextnum = currentpage+currentposition;
 - if(prevnum<1) prevnum = 1;
 - if(nextnum>pagecount) nextnum = pagecount;
 - pagestr += (currentpage==1)?'<span class="disabled"> <上一页</span>':'<span><a href="javascript:'+pageName+'.page_onclick('+(this.getIndexPage()-1)+',\''+pageName+'\')"><上一页</a></span>';
 - if(prevnum-breakspace>maxspace){
 - for(i=1;i<=breakspace;i++)
 - pagestr += '<a href="javascript:'+pageName+'.page_onclick('+i+',\''+pageName+'\')">'+i+'</a>';
 - pagestr += '...';
 - for(i=pagecount-breakpage+1;i<prevnum;i++)
 - pagestr += '<a href="javascript:'+pageName+'.page_onclick('+i+',\''+pageName+'\')">'+i+'</a>';
 - }else{
 - for(i=1;i<prevnum;i++)
 - pagestr += '<a href="javascript:'+pageName+'.page_onclick('+i+',\''+pageName+'\')">'+i+'</a>';
 - }
 - for(i=prevnum;i<=nextnum;i++){
 - pagestr += (currentpage==i)?'<span class="current">'+i+'</span>':'<a href="javascript:'+pageName+'.page_onclick('+i+',\''+pageName+'\')">'+i+'</a>';
 - }
 - if(pagecount-breakspace-nextnum+1>maxspace){
 - for(i=nextnum+1;i<=breakpage;i++)
 - pagestr += '<a href="javascript:'+pageName+'.page_onclick('+i+',\''+pageName+'\')">'+i+'</a>';
 - pagestr += '<span class="break">...</span>';
 - for(i=pagecount-breakspace+1;i<=pagecount;i++)
 - pagestr += '<a href="javascript:'+pageName+'.page_onclick('+i+',\''+pageName+'\')">'+i+'</a>';
 - }else{
 - for(i=nextnum+1;i<=pagecount;i++)
 - pagestr += '<a href="javascript:'+pageName+'.page_onclick('+i+',\''+pageName+'\')">'+i+'</a>';
 - }
 - pagestr += (currentpage==pagecount)?'<span class="disabled">下一页 ></span>':'<a href="javascript:'+pageName+'.page_onclick('+(this.getIndexPage()+1)+',\''+pageName+'\')">下一页 ></a>';
 - this.$(id).className="manu"
 - this.$(id).innerHTML=pagestr;
 - }
 - this.getTotalNum = function()
 - {
 - return totalNum;
 - };
 - this.setTotalNum = function(sTotalNum)
 - {
 - totalNum = sTotalNum;
 - };
 - this.getMaxNum = function()
 - {
 - return maxNum;
 - };
 - this.setMaxNum=function(sMaxNum)
 - {
 - maxNum = sMaxNum;
 - };
 - this.getIndexPage = function()
 - {
 - return currentpage;
 - };
 - this.setIndexPage=function(sCurrentPage)
 - {
 - currentpage =sCurrentPage;
 - };
 - this.page_onclick=function(num,pageStr)
 - {
 - this.setIndexPage(num);
 - pagination_data();
 - this.initPage(pageStr);
 - };
 - this.$=function(objStr)
 - {
 - return document.getElementById(objStr);
 - }
 - }
 - function $(objStr)
 - {
 - return document.getElementById(objStr);
 - }
 - function pagination_data()
 - {
 - }
 
2.CSS代码
- /* CSS Document */
 - /* Paginator */
 - a img {blr:expression(this.onFocus=this.blur())}
 - area {blr:expression(this.onFocus=this.blur())}
 - .manu {
 - PADDING-RIGHT: 3px; PADDING-LEFT: 3px; PADDING-BOTTOM: 3px; MARGIN: 3px; PADDING-TOP: 3px; TEXT-ALIGN: center; FONT-SIZE: 12px;FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif;
 - }
 - .manu A {
 - BORDER-RIGHT: #eee 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #eee 1px solid; PADDING-LEFT: 5px; PADDING-BOTTOM: 2px; MARGIN: 2px; BORDER-LEFT: #eee 1px solid; COLOR: #036cb4; PADDING-TOP: 2px; BORDER-BOTTOM: #eee 1px solid; TEXT-DECORATION: none
 - }
 - .manu A:hover {
 - BORDER-RIGHT: #999 1px solid; BORDER-TOP: #999 1px solid; BORDER-LEFT: #999 1px solid; COLOR: #666; BORDER-BOTTOM: #999 1px solid
 - }
 - .manu A:active {
 - BORDER-RIGHT: #999 1px solid; BORDER-TOP: #999 1px solid; BORDER-LEFT: #999 1px solid; COLOR: #666; BORDER-BOTTOM: #999 1px solid
 - }
 - .manu .current {
 - BORDER-RIGHT: #036cb4 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #036cb4 1px solid; PADDING-LEFT: 5px; FONT-WEIGHT: bold; PADDING-BOTTOM: 2px; MARGIN: 2px; BORDER-LEFT: #036cb4 1px solid; COLOR: #fff; PADDING-TOP: 2px; BORDER-BOTTOM: #036cb4 1px solid; #036cb4
 - }
 - .manu .disabled {
 - BORDER-RIGHT: #eee 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #eee 1px solid; PADDING-LEFT: 5px; PADDING-BOTTOM: 2px; MARGIN: 2px; BORDER-LEFT: #eee 1px solid; COLOR: #ddd; PADDING-TOP: 2px; BORDER-BOTTOM: #eee 1px solid
 - }
 
3.使用例子
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 - <%@include file="/common/taglibs/taglibs.jsp"%>
 - <%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
 - <html xmlns="http://www.w3.org/1999/xhtml">
 - <head>
 - <link
 - href="${pageContext.request.contextPath}/common/css/pagination.css"
 - rel="stylesheet" type="text/css" />
 - <script
 - src="${pageContext.request.contextPath}/common/js/page-common.js"></script>
 - </head>
 - <body>
 - <div id="12333"></div>
 - <script>
 - var page = new Pagination("12333");
 - page.setTotalNum(1000);//总共有多少条
 - page.setMaxNum(20);//每页显示的条数
 - page.setIndexPage(1);//当前所在第几页
 - page.initPage("page");//初始化页面
 - function pagination_data()
 - {
 - alert(page.getIndexPage()+":"+page.getMaxNum());
 - }
 - </script>
 - </body>
 - </html>
 
                    
                
                
            
        
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