jQuery实现分页

$.fn.mypagination = function(totalProperty,opts){  
    opts = $.extend({  
        perPage:10,  
   
        callback:function(){  
        }  
    },opts||{});  
          
    return this.each(function(){  
        function numPages(){  
            return Math.ceil(totalProperty/opts.perPage);  
        }  
   
          
        function selectPage(page){  
            return function(){  
                currPage = page;  
                if (page<0) currPage = 0;  
                if (page>=numPages()) currPage = numPages()-1;  
                render();  
   
                $('img.page-wait',panel).attr('src','images/wait.gif');  
                opts.callback(currPage+1);  
                $('img.page-wait',panel).attr('src','images/nowait.gif');  
            }  
        }  
          
        function render(){  
   
            var html = '<table><tbody><tr>'   
                +'<td><a href="#"><img class="page-first"></a></td>' 
                +'<td><a href="#"><img class="page-prev"></a></td>' 
                +'<td><span>第<input type="text" class="page-num">页/共'+numPages()+'页</span></td>' 
                +'<td><a href="#"><img class="page-next"></a></td>' 
                +'<td><a href="#"><img class="page-last"></a></td>' 
                +'<td><img src="images/nowait.gif" class="page-wait"></td>' 
                +'<td><span style="padding-left:50px;">检索到'+totalProperty+'记录</span></td>' 
                +'</tr></tbody></table>';  
            var imgFirst = 'images/page-first-disabled.gif';  
            var imgPrev = 'images/page-prev-disabled.gif';  
            var imgNext = 'images/page-next-disabled.gif';  
            var imgLast = 'images/page-last-disabled.gif';  
            if (currPage > 0){  
                imgFirst = 'images/page-first.gif';  
                imgPrev = 'images/page-prev.gif';  
            }  
            if (currPage < numPages()-1){  
                imgNext = 'images/page-next.gif';  
                imgLast = 'images/page-last.gif';  
            }  
            panel.empty();  
            panel.append(html);  
            $('img.page-first',panel)  
                .bind('click',selectPage(0))  
                .attr('src',imgFirst);    
            $('img.page-prev',panel)  
                .bind('click',selectPage(currPage-1))  
                .attr('src',imgPrev);     
            $('img.page-next',panel)  
                .bind('click',selectPage(currPage+1))  
                .attr('src',imgNext);     
            $('img.page-last',panel)  
                .bind('click',selectPage(numPages()-1))  
                .attr('src',imgLast);  
            $('input.page-num',panel)  
                .val(currPage+1)  
                .change(function(){  
                    selectPage($(this).val()-1)();  
                });  
        }  
          
        var currPage = 0;  
        var panel = $(this);  
        render();  
   
    });  
} 

$.fn.mypagination = function(totalProperty,opts){
 opts = $.extend({
  perPage:10,
 
  callback:function(){
  }
 },opts||{});
  
 return this.each(function(){
  function numPages(){
   return Math.ceil(totalProperty/opts.perPage);
  }
 
  
  function selectPage(page){
   return function(){
    currPage = page;
    if (page<0) currPage = 0;
    if (page>=numPages()) currPage = numPages()-1;
    render();
 
    $('img.page-wait',panel).attr('src','images/wait.gif');
    opts.callback(currPage+1);
    $('img.page-wait',panel).attr('src','images/nowait.gif');
   }
  }
  
  function render(){
 
   var html = '<table><tbody><tr>'
    +'<td><a href="#"><img class="page-first"></a></td>'
    +'<td><a href="#"><img class="page-prev"></a></td>'
    +'<td><span>第<input type="text" class="page-num">页/共'+numPages()+'页</span></td>'
    +'<td><a href="#"><img class="page-next"></a></td>'
    +'<td><a href="#"><img class="page-last"></a></td>'
    +'<td><img src="images/nowait.gif" class="page-wait"></td>'
    +'<td><span style="padding-left:50px;">检索到'+totalProperty+'记录</span></td>'
    +'</tr></tbody></table>';
   var imgFirst = 'images/page-first-disabled.gif';
   var imgPrev = 'images/page-prev-disabled.gif';
   var imgNext = 'images/page-next-disabled.gif';
   var imgLast = 'images/page-last-disabled.gif';
   if (currPage > 0){
    imgFirst = 'images/page-first.gif';
    imgPrev = 'images/page-prev.gif';
   }
   if (currPage < numPages()-1){
    imgNext = 'images/page-next.gif';
    imgLast = 'images/page-last.gif';
   }
   panel.empty();
   panel.append(html);
   $('img.page-first',panel)
    .bind('click',selectPage(0))
    .attr('src',imgFirst); 
   $('img.page-prev',panel)
    .bind('click',selectPage(currPage-1))
    .attr('src',imgPrev); 
   $('img.page-next',panel)
    .bind('click',selectPage(currPage+1))
    .attr('src',imgNext); 
   $('img.page-last',panel)
    .bind('click',selectPage(numPages()-1))
    .attr('src',imgLast);
   $('input.page-num',panel)
    .val(currPage+1)
    .change(function(){
     selectPage($(this).val()-1)();
    });
  }
  
  var currPage = 0;
  var panel = $(this);
  render();
 
 });
} 下面测试一下：

Html代码
<head> 
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
    <link rel="stylesheet" href="mypagination.css"/> 
    <script type="text/javascript" src="jquery-1.2.6.js"></script> 
    <script type="text/javascript" src="jquery.mypagination.js"></script> 
    <script> 
        $(document).ready(function(){  
            $('#mypage').mypagination(10112,{  
                callback:function(page){  
                    alert(page);  
                }  
            });  
        });  
    </script> 
</head> 
<div id="mypage" class="mypagination"></div>