编程 Javascript

jQuery实现的简单分页示例

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

- Author -

郑文亮

声明：登载此文出于传递更多信息之目的，并不意味着赞同其观点或证实其描述。

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