利用jQuery中的ajax分页实现代码

function pageAjax(){  var url="${ctx}/system/conProductInfo/listOfAjax.action";  $.pageAjax(url,"productMessageDiv","showList");  } 

<div style="display: none;">  <div id="productMessageDiv" class="showParentDiv" style="width:950px;height:400px">   <div id="showProductListMsg">    <div class="grayBg">     <div id="toolbarScroll">     <span>      <input type="button" value=" 确定 " onclick="submitProductMessage();"/>      <input type="button" value=" 取消 " onclick="closeProduct();"/>      <input type="button" value=" 查询 " onclick="selectProduct();" />      <input id="value" name="value" type="text" class="width_132"/>      <select id="key" name="key" class="width_115">      </select>     </span>     </div>    <div class="page" id="page">     <jsp:include page="/portal/common/page/page_ajax.jsp"/>    </div>    <div class="clearFloat"></div>    </div>   <div class="scrollInfo">    <div class="tableInfo" style="overflow-y:scroll; height:365px;">     <table id="dragTable" border="0" cellpadding="0" cellspacing="0" id="listTable">     <thead>      <tr>      <td width="4%">       <input type="checkbox" id="selectallCheckBox" onclick="selectListall();"/>      </td>      <td width="%">产品编码</td>      <td width="%">产品名称</td>      <td width="%">产品型号</td>      <td width="%">产品品牌</td>      <td width="%">产品分类</td>      <td width="%">供应商</td>      <td width="%">产品规格</td>      </tr>     </thead>     <tbody id="msgContent">          </tbody>     </table>    </div>   </div> 

function showList(data){  var list=data.list;   var str;   if(list==""||list==null){   str="<tr><td colspan=/"9/"><span class=/"tip/">系统无纪录!</span></td></tr>";     }else{   for(var i=0;i<list.length;i++){   str=str+" <tr id=/"contentTr"+i+"/"><td><input name=/"selectIds/" type=/"checkbox/" value=/""+list[i].id+"/"/></td><td>"+list[i].productCode+"</td><td>"+list[i].productName+"</td><td>"+list[i].productType+"</td><td>"+list[i].brandName+"</td><td>"+list[i].typeName+"</td><td>"+list[i].companyShortname+"</td><td>"+list[i].productCode+"</td></tr>";   }   }   if($('#key').val()==""||$('#key').val()==null)$('#key').append("<option value='productName'>产品名称</option><option value='productCode'>产品编号</option>");   $("#msgContent").empty();   $("#msgContent").append(str);  } 

var ajaxUrl; var showDivName; var ajaxFunctionName; jQuery.extend({  pageAjax: function(url,div,functionName){  ajaxUrl=url;  showDivName=div;  ajaxFunctionName=functionName;  $.ajax({   url:url,   data:{"pageRequest.page":$('#pagePage').val(),"pageRequest.rows":$('#pageRows').val()},   dataType: "json",   success: function(data){   eval(functionName+"(data)");   $.changePageAjax(data);   showWin(div);   }  });  },  pageAjaxOfParam: function(url,div,functionName,key,value){  $.ajax({   url:url,   data:{"pageRequest.page":$('#pagePage').val(),"pageRequest.rows":$('#pageRows').val(),"key":key,"value":value},   dataType: "json",   success: function(data){   eval(functionName+"(data)");   $.changePageAjax(data);   showWin(div);   }  });  }  ,  changePageAjax: function(data) {  var totalCount = data.totalCount;  changeDefaultRows(data);  var pageCount = totalCount % parseInt($("#pageRows").val())== 0 ?    parseInt(totalCount/parseInt($("#pageRows").val())):    parseInt(totalCount/parseInt($("#pageRows").val()))+1;  $("#totalPage").html(pageCount+'');  $("#totalCount").html(totalCount+'');  changeButton(pageCount);  } });  function changePage(pageTitle) {  if(pageTitle == "previous"){  $('#pagePage').val(parseInt($('#pagePage').val()) - 1);  }else if(pageTitle == "next"){  $('#pagePage').val(parseInt($('#pagePage').val()) + 1);  }else if(pageTitle == "first"){  $('#pagePage').val(1);  }else if(pageTitle == "last"){  var totalCount = parseInt($('#totalCount').html());  $('#pagePage').val(parseInt((totalCount - 1) / parseInt($('#pageRows').val()) + '') + 1);  }  go(); }  function goToPointedPage(){  var pointedPageNum = $('#forwardPageNum').val();  var patrn = /^/+?[1-9][0-9]*$/;  if(!patrn.exec(pointedPageNum)){  alert('页数请输入正整数');  return;  }  if(parseInt(pointedPageNum) > parseInt($('#totalPage').html())){  alert('输入页数不得超过最大页数');  return;  }  $('#pagePage').val(parseInt(pointedPageNum));  go(); }  function changeButton(pageCount){  $('#forwardPageNum').val($('#pagePage').val());  if(pageCount == 1){  $("#beforePage").attr("disabled","disabled");  $("#firstPage").attr("disabled","disabled");  $("#nextPage").attr("disabled","disabled");  $("#lastPage").attr("disabled","disabled");  }else if($("#forwardPageNum").val() < pageCount){ //如果页数比总页数小，则下一页和末页能用  $("#nextPage").removeAttr("disabled");  $("#lastPage").removeAttr("disabled");  if($("#forwardPageNum").val() >1){ //如果页数大于1，说明 1<页数<总页数 说明全部都可用   $("#firstPage").removeAttr("disabled");   $("#beforePage").removeAttr("disabled");  }else{     //在页数比总页数小的其他情况下，就只存在一种就是等于1   $("#firstPage").attr("disabled","disabled"); //当等于1 的时候，首页和上一页不可用   $("#beforePage").attr("disabled","disabled");  }  } else{  $("#beforePage").removeAttr("disabled");  $("#firstPage").removeAttr("disabled");  $("#nextPage").attr("disabled","disabled");  $("#lastPage").attr("disabled","disabled");  } }  function changeDefaultRows(data){  if($("#pageRows").val()==null||$("#pageRows").val()==""){  $("#pageRows").empty();  $("#pageRows").append("<option value='"+data.pAGESIZES[0]+"'>默认条数</option><option value='"+data.pAGESIZES[1]+"'>"+data.pAGESIZES[1]+"</option><option value='"+data.pAGESIZES[2]+"'>"+data.pAGESIZES[2]+"</option>");  } }  function changeRows(){  $('#pagePage').val(1);  go(); } function go(){  $.pageAjax(ajaxUrl,showDivName,ajaxFunctionName); }  function clearPageInfo(){  $("#pagePage").val('1'); }  $(function(){  $("body").keydown(function(event){   if(event.keyCode == 13){   goToPointedPage();  }  }); });  </script> <div class="toolbarScroll">  <s:hidden name="pageRequest.page" id="pagePage"/>  <input id="firstPage" value=" 首页 " type="button" onclick="changePage('first')"/>  <input id="beforePage" value=" 上一页 " type="button" onclick="changePage('previous')"/>  <input size="6" maxlength="3" id="forwardPageNum" class="formStylePage" onblur="goToPointedPage()" value="" type="text" style="text-align: center;"/>/  <span class="currentPage" id="totalPage">  </span>  <input id="nextPage" value=" 下一页 " type="button" onclick="changePage('next')"/>  <input id="lastPage" value=" 末页 " type="button" onclick="changePage('last')"/>  共<span id="totalCount"></span>条  <span>  <select id="pageRows" name="pageRequest.rows" onchange="changeRows()"></select>  </span> </div>