js列表分页

时间：2023-03-10 02:40:59
js列表分页 
<!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>无标题文档</title>

<style type="text/css">

<!--

/*这里填写自己需要的css定义*/

body { width: 760px; padding: 0 0 0 0; margin: 0 auto 0 auto; font-size: 12px; font-family: "Arial", "Helvetica", "sans-serif"; }

td { font-size: 12px; }

ul,li,form,div,span { padding: 0 0 0 0; margin: 0 0 0 0; }

.ctrlPages {COLOR: #f60;}

.curPage {COLOR: #f00;}

-->

</style>

<script language="JavaScript">

<!--

var ETNGpager = function( srcName, dstName, cntPP, cntPS )

{

this.srcName = srcName;

this.dstName = dstName;

this.curP   = 1;//默认当前页为第一页

this.cntPP   = cntPP || 2;//默认每页两条纪录

this.cntPS   = cntPS || 3;//默认每页显示5个分页上下文

this.items   = [];

this.showPNP = true;/*显示上下页链接*/

this.showType = true;/*滑动分页*/

this.result   = {pagedata:[],pagebar:'',limit:[0,0],report:''};

this.parse();/*总纪录数*/

}

ETNGpager.prototype.page = function (){

this.cntP = Math.ceil(this.cntR/this.cntPP);/*总页数*/

this.cntS = Math.ceil(this.cntP/this.cntPS);/*总段数*/

this.curS = Math.ceil(this.curP/this.cntPS);/*当前段*/

this.preP = this.curP -1;/*上一页*/

this.nextP = this.curP +1;/*下一页*/

this.preS = this.curS -1;/*上一段*/

this.nextS = this.curS +1;/*下一段*/

this.startR = (this.curP -1)*this.cntPP + 1;/*起始纪录*/

this.endR = (this.curP*this.cntPP >this.cntR)?this.cntR:this.curP*this.cntPP;/*结束纪录*/

this.result['pagedata']=[];

if(this.showType){

this.perSide = Math.floor(this.cntPS/2);

this.startP   = (this.curP > this.perSide)?(this.curP - this.perSide):1;

this.endP   = (this.startP + this.cntPS)>this.cntP?this.cntP:(this.startP + this.cntPS);

}else{

this.startP   = (this.curS-1)*this.cntPS+1;

this.endP   = (this.curS*this.cntPS>this.cntP)?this.cntP:(this.curS*this.cntPS);

}

for(var i = this.startP;i<=this.endP;i++){

this.result['pagedata'].push((i==this.curP)?'<span class="curPage">'+i+'</span>':'<span onclick="page('+i+')">'+i+'</span>');

}

if(this.showPNP){

if(this.curP>1)this.result['pagedata'].unshift('<span onclick="page('+(this.curP-1)+')">上一页</span>');

if(this.curP<this.cntP)this.result['pagedata'].push('<span onclick="page('+(this.curP+1)+')">下一页</span>');

}

this.result['pagebar'] = this.result['pagedata'].join('&nbsp;&nbsp;');

this.result['limit'] = [this.startR,this.endR];

this.result['report'] = '共'+this.cntR+'条,当前页'+this.startR+'- '+this.endR+','+this.curP+'/'+this.cntP+'页';

}

ETNGpager.prototype.parse = function (){

var obj = document.getElementById(this.srcName);

for(var i = 0;i<obj.childNodes.length;i++){

if(obj.childNodes[i].nodeType!=3)this.items[this.items.length]=obj.childNodes[i].innerHTML;

}

this.cntR = this.items.length;

return this.items.length;

}

ETNGpager.prototype.create=function(){

this.page();

document.getElementById(this.dstName).innerHTML='<li>'+this.items.slice(this.startR-1,this.endR).join('</li><li>')+'</li>';

document.getElementById(this.dstName).innerHTML+='<span class="ctrlPages">'+this.result['pagebar']+this.result['report']+'</span>';

}

//-->

</script>

</head>

<body>

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<ul id="listcontent2">列表信息加载中，请您稍等……</ul>

<script language="JavaScript">

<!--

var pager = new ETNGpager('listcontent','listcontent2',10,5);

var curP = 1;

showtime = setInterval("page()", 5000);

function page(i){

curP =(curP>pager.cntP)?1:curP;

if(i){

curP = n =i;

}else{

n = curP++;

}

pager.curP = (n>pager.cntP)?pager.cntP:n;

pager.create();

}

//-->

</script>

</body>

</html>

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