Posted in Javascript onJune 01, 2016
本文实例讲述了jQuery实现的简单分页。分享给大家供大家参考，具体如下：
<!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=utf-8" />
<title>JS分页Class - 风干的果子</title>
<style type="text/css">
a {margin:3px; text-decoration:none;}
</style>
<script type="text/javascript" src="jquery.min.js"></script>
<script type="text/javascript">
//jquery页面加载开始
$(function()
{
var pageDiv1=new jsPage("list","all","p1","3");
pageMethod.call(pageDiv1);
var pageDiv2=new jsPage("list2","all","p2","5");
pageMethod.call(pageDiv2);
})//$
//jquery 页面加载结束
//方法: pageMethod
function pageMethod()
{
var obj=this;
obj.resetTotal();
obj.reloadpage("1",obj.list_class);
obj.page(); //生成页码
ready2go.call(obj);
}
//方法:ready2go
function ready2go()
{
var obj=this;
$("#"+obj.page_obj_id+" a").live("click",function()
{ //点击页码的时候跳到相应页
obj.target_p=parseInt($(this).attr("p"));
gotopage.call(obj,obj.target_p);
})
}
// 方法: showClass
function showClass(list,x,pDiv,pSize){
var pObj=new jsPage(list,x,pDiv,pSize);
pageMethod.call(pObj);
}
// 方法: jsPage
function jsPage(list_id,list_class,page_obj_id,pagesize)
{
// list_id 结果集UL的id
// list_class 要显示的类别
// page_id 存放页码的id
// pagesize 每页显示多少条
this.list_obj_id=list_id;
this.list_Obj=$("#"+list_id);
this.li=$("#"+list_id+" li");
this.li.hide();
this.page_obj_id=page_obj_id;
this.page_obj=$("#"+page_obj_id); //存放页码的div
this.list_class=list_class; // 类别
if(list_class=="all")
{
this.results=this.li.length; // 总记录数等于所有记录
}
else
{
this.results=$("#"+list_id+" li."+list_class).length; // 总记录数等于指定类别的li数
}
this.totalpage; // 总页数
this.pagesize=pagesize; //每页记录数
this.cpage=1; //当前页,默认显示第一页
this.count;
this.target_p;
this.curcount;
this.outstr= ""; // 输出页码html
}//jsPage结束
//方法: gotopage
function gotopage(target){
this.cpage = target; //把页面计数定位到第几页
this.page();
this.reloadpage(target,this.list_class);
}
//给对象jsPage 增加函数 reloadpage
jsPage.prototype.reloadpage=function(p,resultType)
{
this.li.hide();
for(var i=this.pagesize*p-this.pagesize;i<this.pagesize*p;i++)
{
if(resultType=="all")
{
this.li.eq(i).show();
}else
{
$("#"+this.list_obj_id+" li."+resultType).eq(i).show();
}
}
}
//给对象jsPage 增加函数 resetTotal
jsPage.prototype.resetTotal=function()
{
if(this.results==0){
this.totalpage=0;
this.cpage=0;
}else if(this.results<=this.pagesize)
{
this.totalpage=1;
}
else if(parseInt(this.results/this.pagesize)==1)
{
this.totalpage=2;
}
else if(parseInt(this.results/this.pagesize)>1 && this.results%this.pagesize==0){
this.totalpage=this.results/this.pagesize;
}
else
{
this.totalpage=parseInt(this.results/this.pagesize)+1;
}
}//resetTotal()
//jsPage 对象增加函数 page
jsPage.prototype.page=function()
{
if(this.totalpage<=10)
{ //总页数小于十页 页码以十页为单位
for (this.count=1;this.count<=this.totalpage;this.count++)
{
if(this.count!=this.cpage)
{
this.outstr = this.outstr + "<a href='javascript:void(0)' p='"+this.count+"' >"+this.count+"</a>";
}else
{
this.outstr = this.outstr + "<span class='current' >"+this.count+"</span>";
}
}
}
if(this.totalpage>10)
{ //总页数大于十页
if(parseInt((this.cpage-1)/10) == 0)
{
for (this.count=1;this.count<=10;this.count++)
{
if(this.count!=this.cpage)
{
this.outstr = this.outstr + "<a href='javascript:void(0)' p='"+this.count+"' >"+this.count+"</a>";
}
else
{
this.outstr = this.outstr + "<span class='current'>"+this.count+"</span>";
}
}
this.outstr = this.outstr + "<a href='javascript:void(0)' p='"+this.count+"' >»</a>";
}
else if(parseInt((this.cpage-1)/10) == parseInt(this.totalpage/10))
{
this.outstr = this.outstr + "<a href='javascript:void(0)' p='"+(parseInt((this.cpage-1)/10)*10)+"' >«<\/a>";
for (this.count=parseInt(this.totalpage/10)*10+1;this.count<=this.totalpage;this.count++)
{
if(this.count!=this.cpage)
{
this.outstr = this.outstr + "<a href='javascript:void(0)' p='"+this.count+"' >"+this.count+"</a>";
}
else
{
this.outstr = this.outstr + "<span class='current'>"+this.count+"</span>";
}
}
}
else
{
var lastP;
this.outstr = this.outstr + "<a href='javascript:void(0)' p='"+(parseInt((this.cpage-1)/10)*10)+"' >«<\/a>";
for (this.count=parseInt((this.cpage-1)/10)*10+1;this.count<=parseInt((this.cpage-1)/10)*10+10;this.count++)
{
if(this.count!=this.cpage)
{
this.outstr = this.outstr + "<a href='javascript:void(0)' p='"+this.count+"' >"+this.count+"</a>";
}
else
{
this.outstr = this.outstr + "<span class='current'>"+this.count+"</span>";
}
if(this.count==this.totalpage)
{
lastP="";
}
else
{
lastP="<a href='javascript:void(0)' p='"+(this.count+1)+"' >»</a>";
}
}
this.outstr = this.outstr + lastP;
}
}
document.getElementById(this.page_obj_id).innerHTML = "<div><span id='info'>共"+this.totalpage+"页 第"+this.cpage+"页<\/span>" + this.outstr + "<\/div>";
this.outstr = "";
}
</script>
</head>
<body>
<a onclick="showClass('list','mm','p1','3')" href="#">美女</a> <a onclick="showClass('list','gg','p1','3')"
href="#">帅哥</a> <a onclick="showClass('list','all','p1','3')" href="#">全部</a><br />
<ul id="list">
<li class="mm">美女A</li>
<li class="gg">帅哥A</li>
<li class="mm">美女B</li>
<li class="gg">帅哥B</li>
<li class="mm">美女C</li>
<li class="gg">帅哥C</li>
<li class="mm">美女D</li>
<li class="gg">帅哥D</li>
<li class="mm">美女E</li>
<li class="gg">帅哥E</li>
<li class="mm">美女F</li>
<li class="gg">帅哥F</li>
<li class="mm">美女G</li>
<li class="gg">帅哥G</li>
<li class="mm">美女H</li>
<li class="gg">帅哥H</li>
<li class="mm">美女A</li>
<li class="gg">帅哥A</li>
<li class="mm">美女B</li>
<li class="gg">帅哥B</li>
<li class="mm">美女C</li>
<li class="gg">帅哥C</li>
<li class="mm">美女D</li>
<li class="gg">帅哥D</li>
<li class="mm">美女E</li>
<li class="gg">帅哥E</li>
<li class="mm">美女F</li>
<li class="gg">帅哥F</li>
<li class="mm">美女G</li>
<li class="gg">帅哥G</li>
<li class="mm">美女H</li>
<li class="gg">帅哥H</li>
<li class="mm">美女A</li>
<li class="gg">帅哥A</li>
<li class="mm">美女B</li>
<li class="gg">帅哥B</li>
<li class="mm">美女C</li>
<li class="gg">帅哥C</li>
<li class="mm">美女D</li>
<li class="gg">帅哥D</li>
<li class="mm">美女E</li>
<li class="gg">帅哥E</li>
<li class="mm">美女F</li>
<li class="gg">帅哥F</li>
<li class="mm">美女G</li>
<li class="gg">帅哥G</li>
<li class="mm">美女H</li>
<li class="gg">帅哥H</li>
<li class="mm">美女A</li>
<li class="gg">帅哥A</li>
<li class="mm">美女B</li>
<li class="gg">帅哥B</li>
<li class="mm">美女C</li>
<li class="gg">帅哥C</li>
<li class="mm">美女D</li>
<li class="gg">帅哥D</li>
<li class="mm">美女E</li>
<li class="gg">帅哥E</li>
<li class="mm">美女F</li>
<li class="gg">帅哥F</li>
<li class="gg">帅哥G</li>
<li class="gg">帅哥H</li>
<li class="gg">帅哥G</li>
</ul>
<br />
<div id="p1">
</div>
<br />
<br />
<a onclick="showClass('list2','music','p2','5')" href="#">音乐</a> <a onclick="showClass('list2','movie','p2','5')"
href="#">电影</a> <a onclick="showClass('list2','all','p2','5')" href="#">全部</a><br />
<ul id="list2">
<li class="music">音乐A</li>
<li class="movie">电影A</li>
<li class="music">音乐B</li>
<li class="movie">电影B</li>
<li class="music">音乐C</li>
<li class="movie">电影C</li>
<li class="music">音乐D</li>
<li class="movie">电影D</li>
<li class="music">音乐E</li>
<li class="movie">电影E</li>
<li class="music">音乐F</li>
<li class="movie">电影F</li>
</ul>
<br />
<div id="p2">
</div>
</body>
</html>
PS：这里再为大家推荐几款代码格式化、美化工具，相信大家在以后的开发过程中会用得到：
在线JavaScript代码美化、格式化工具：
http://tools.3water.com/code/js
JavaScript压缩/格式化/加密工具：
http://tools.3water.com/code/jscompress
PHP代码在线格式化美化工具：
http://tools.3water.com/code/phpformat
XML代码在线格式化美化工具：
http://tools.3water.com/code/xmlcodeformat
json代码在线格式化/美化/压缩/编辑/转换工具：
http://tools.3water.com/code/jsoncodeformat
在线JSON代码检验、检验、美化、格式化工具：
http://tools.3water.com/code/json
希望本文所述对大家jQuery程序设计有所帮助。
jQuery实现的简单分页示例
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