jQuery实现列表内容的动态载入特效

.main {
 width: 100%;
 margin-: 100px;
 text-align: center;
 font-size: 12.5px;
}

th, td {
 border: 1px solid #c;
 line-height: 40px;
 padding-left: 5px;
}
.item:hover {
 background-color: #efefef;
}
.item:nth-child(2n) {
 background-color: #efefef;
}
.ListView {
 width: 600px;
 overflow: hidden;
 margin: 0 auto;
 padding: 10px;
 height:372px;
 border: 1px solid #dddddd;
}
.ListView .c {
 width: 1200px;
 margin: 0 auto;
 border-collapse: collapse;
}
.Item {
 border-bottom: 1px dashed #dddddd;
 padding: 10px 0 10px 0;
 overflow: hidden;
 margin-left:600px;
}
.Item span {
 float: left;
 text-align: left;
}
.Item span:first-child {
 color: #6AA8E8;
}
.Item span:last-child {
 text-align: center;
}

<div class="main">
 <div class="ListView">
  <div class="c">
  <div class="Item"> <span>test</span> <span>男/0</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>
  <div class="Item"> <span>test</span> <span>男/0</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>
  <div class="Item"> <span>test</span> <span>男/0</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>
  <div class="Item"> <span>test</span> <span>男/0</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>
  <div class="Item"> <span>test</span> <span>男/0</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>
  <div class="Item"> <span>test</span> <span>男/0</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>
  <div class="Item"> <span>test</span> <span>男/0</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>
  <div class="Item"> <span>test</span> <span>男/0</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>
  <div class="Item"> <span>test</span> <span>男/0</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>
  <div class="Item"> <span>test</span> <span>男/0</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>
 </div>
 </div>
</div>
<p style="text-align:center;"><a href="javascript:void(0);" onClick="ListView.Update();">刷新数据</a></p>

<script type="text/javascript" src="/js/jquery-1.8.0.min.js"></script>
<script type="text/javascript">
$(function(){
 ListView.Init();
});
var ListView={
 Init:function(){
 $(".Item span").css("width",$(".ListView").width()/4+"px");
 for(var i=0;i<$(".Item").length;i++){
 var target=$(".Item")[i];
 $(target).animate({marginLeft:"0px"},300+i100);
 }
 },
 Update:function(){
 $(".ListView .c .Item").remove();
 for(var i=0;i<10;i++){
 var newItem=$("<div class=\"Item\"> <span>test</span> <span>男/"+i+"</span> <span>四川省，成都市，锦江区</span> <span>详细说明</span> </div>");
 $(newItem).find("span").css("width",$(".ListView").width()/4+"px");
 $(".ListView .c").append(newItem);
 $(newItem).animate({marginLeft:"0px"},300+i100);
 }
 }
}
</script>

 $(window).scroll(function () {
  var scrollTop = $(this).scrollTop();
  var scrollHeight = $(document).height();
  var windowHeight = $(this).height();
  if (scrollTop + windowHeight == scrollHeight) {

  //此处是滚动条到底部时候触发的事件，在这里写要加载的数据，或者是拉动滚动条的操作

//var page = Number($("#redgiftNextPage").attr('currentpage')) + 1;
//redgiftList(page);
//$("#redgiftNextPage").attr('currentpage', page + 1);

  }
 });