jquery实现分页的例子


jQuery #分页2012-07-03 09:07

看代码吧:

<!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 - http://yige.org</title>
    <style type="text/css">
a {margin:3px; text-decoration:none;}
</style>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/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
// http://yige.org
    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>
效果图如下:



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