实例代码讲解ajax实现的无刷新分页

<table class="table style-5"> 
 <thead id="t_head"> 
  <tr> 
   <th>序号</th> 
   <th>标题</th> 
   <th>地点</th> 
   <th>已报名</th> 
   <th>类别</th> 
   <th>操作</th> 
  </tr> 
</thead> 
<tbody id="t_body"> 
<!-- ajax填充列表 -->
</tbody> 
</table> 
<button id="firstPage">首页</button> 
<button id="previous">上一页</button> 
<button id="next">下一页</button> 
<button id="last">尾页</button> 

var pageSize = "10";//每页行数 
var currentPage = "1";//当前页 
var totalPage = "0";//总页数 
var rowCount = "0";//总条数 
var params="";//参数 
var url="activity_list.action";//action 
$(document).ready(function(){//jquery代码随着document加载完毕而加载 
 //分页查询 
 function queryForPages()
 { 
  $.ajax({ 
   url:url, 
   type:'post', 
   dataType:'json', 
   data:"qo.currentPage="+currentPage+"&qo.pageSize="+pageSize+params, 
   success:function callbackFun(data)
   { 
    //解析json 
    var info = eval("("+data+")"); 
    //清空数据 
    clearDate(); 
    fillTable(info); 
   } 
  }); 
 } 
 //填充数据 
 function fillTable(info)
 { 
  if(info.length>1)
  { 
   totalPage=info[info.length-1].totalPage; 
   var tbody_content="";//不初始化字符串"",会默认"undefined" 
   for(var i=0;i<info.length-1;i++)
   { 
    tbody_content +="<tr>" 
    +"<td data-title='序号' >"+(i+1+(currentPage-1)*pageSize)+"</td>" 
    +"<td data-title='标题'>"+info[i].title.substr(0,20)+"</td>" 
    +"<td data-title='地点'>"+info[i].address.substr(0,6)+"</td>" 
    +"<td data-title='已报名'>"+info[i].quota_sign+"人</td>" 
    +"<td data-title='类别'>"+info[i].type+"</td>" 
    +"<td data-title='操作'><a href='<%=request.getContextPath()%>/activity_edit.action?id="+info[i].id+"'>编辑</a></td>" 
    +"</tr>" 
    $("#t_body").html(tbody_content); 
   } 
  }
  else
  { 
   $("#t_head").html(""); 
   $("#t_body").html("<div style='height: 200px;width: 700px;padding-top: 100px;' align='center'>"+info.msg+"</div>"); 
  } 
 } 
 //清空数据 
 function clearDate()
 { 
  $("#t_body").html(""); 
 }
 //搜索活动 
 $("#searchActivity").click(function(){ 
  queryForPages();
 }); 
 //首页 
 $("#firstPage").click(function(){ 
  currentPage="1"; 
  queryForPages(); 
 }); 
 //上一页 
 $("#previous").click(function(){ 
  if(currentPage>1)
  { 
   currentPage-- ; 
  } 
  queryForPages(); 
 }); 
 //下一页 
 $("#next").click(function(){ 
  if(currentPage<totalPage)
  { 
   currentPage++ ; 
  } 
  queryForPages(); 
 }); 
 //尾页 
 $("#last").click(function(){ 
  currentPage = totalPage; 
  queryForPages(); 
 }); 
});