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心揚(yáng)JS分頁函數(shù)代碼

更新時(shí)間：2010年09月10日 01:23:21 作者：

通過js實(shí)現(xiàn)分頁的代碼，一般情況下需要指定頁數(shù)，腳本之家以前也發(fā)布過一些，大家結(jié)合下即可。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>JS分頁</title> 
<style type="text/css"> 
body{font-size:12px;} 
#pager{ height:20px; float:left;} 
#pager a{height:18px; line-height:18px; border:1px solid #ccc; padding-left:0.4em; padding-right:0.4em; text-decoration:none; display:block; float:left; margin:0px 3px;} 
#pager a:hover{background-color:#1f3a87; color:#fff; text-decoration:none;} 
.not-current{background-color:#fff; color:#1f3a87;} 
.current{background-color:#1f3a87; color:#fff; text-decoration:none;} 
</style> 
</head> 
<body onload="CreatePager(10,10,2043,'?page=14',10)"> 
<script type="text/javascript"> 
//pageSize,每頁顯示多少條記錄,currentPage當(dāng)前頁,recordCount共有多少條記錄,url頁面路徑，必須帶有page參數(shù),numCount，每頁顯示多少個(gè)分頁數(shù)字 
var CreatePager=function(pageSize,currentPage,recordCount,url,numCount){ 
//創(chuàng)建一個(gè)鏈接 
var CreateHref=function(url,page,p_ele,t,currentPage){ 
var a=document.createElement('a'); 
var reg=new RegExp("page=\\d+"); 
url=url.replace(reg.exec(url),'page='+page) 
a.setAttribute('href',url); 
a.setAttribute('class',currentPage==page?'current':'not-current'); 
var t=document.createTextNode(t); 
a.appendChild(t); 
document.getElementById(p_ele).appendChild(a); 
} 
//計(jì)算屬于哪個(gè)區(qū)間 
var GetNumArea=function(num,numCount,pageCount){ 
var currentArea=parseInt((num-1)/numCount)+1; 
var lastArea=parseInt((pageCount-1)/numCount)+1; 
this.minNum=(currentArea-1)*numCount+1; 
var tempTaxNumber=currentArea*numCount+1; 
this.maxNum=tempTaxNumber>pageCount?pageCount:tempTaxNumber; 
this.preAreaNum=currentArea<=1?1:this.minNum-1; 
this.afterAreaNum=currentArea>=lastArea?pageCount:this.maxNum+1; 
} 
var pageCount=0;//總頁數(shù) 
pageCount=recordCount%pageSize===0?recordCount/pageSize:parseInt(recordCount/pageSize)+1;//總頁數(shù) 
// var pager=document.getElementById('pager');//獲取分頁的元素 
// var pageSummary=document.createElement('span');//創(chuàng)建一個(gè)DIV，在里面顯示第幾頁共幾頁 
// var summaryContent=document.createTextNode('第'+currentPage+'頁共'+pageCount+'頁'); 
// pageSummary.appendChild(summaryContent); 
// pager.appendChild(pageSummary); 
CreateHref(url,1,'pager','首頁',currentPage);//添加首頁鏈接 
CreateHref(url,new GetNumArea(currentPage,numCount,pageCount).preAreaNum,'pager','<<',currentPage);//添加前面的省略號 
//顯示分頁數(shù)字 開始 
var pageArea = pageCount / numCount;// 頁碼區(qū)間 
if(pageCount<numCount){ 
for(i=1;i<=pageCount;i++){ 
CreateHref(url,i,'pager',i,currentPage); 
} 
}else{ 
currentPage=currentPage>=pageCount?pageCount:currentPage; 
var minNum=new GetNumArea(currentPage,numCount,pageCount).minNum; 
var maxNum=new GetNumArea(currentPage,numCount,pageCount).maxNum; 
for(i=minNum;i<maxNum;i++){ 
CreateHref(url,i,'pager',i,currentPage); 
} 
} 
//顯示分頁數(shù)字 結(jié)束 
CreateHref(url,new GetNumArea(currentPage,numCount,pageCount).afterAreaNum,'pager','>>',currentPage);//顯示分頁后面的省略號 
CreateHref(url,pageCount,'pager','末頁',currentPage);//添加末頁鏈 
} 
</script> 
<div id='pager'></div> 
</body> 
</html>