微博首页简单的滚动效果

一个简单的微博首页动态信息滚动效果
[task]<!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>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>微博首页简单的滚动效果</title>
<script language="javascript">
$(function(){
        var scrtime;
         $("#con").hover(function(){
                clearInterval(scrtime);

        },function(){

        scrtime = setInterval(function(){
                var $ul = $("#con ul");
                var liHeight = $ul.find("li:last").height();
                $ul.animate({marginTop : liHeight+40 +"px"},1000,function(){

                $ul.find("li:last").prependTo($ul)
                $ul.find("li:first").hide();
                $ul.css({marginTop:0});
                $ul.find("li:first").fadeIn(1000);
                });        
        },3000);

        }).trigger("mouseleave");

});
</script>
<style type="text/css">
<!--
*{ margin:0; padding:0;}
ul,li{ list-style-type:none;}
body{ font-size:13px; background-color:#999999;}
#con{ width:700px; height:400px; margin:10px auto; position:relative; border:1px #666 solid; background-color:#FFFFFF; 
overflow:hidden;}
#con ul{ position:absolute; margin:10px; top:0; left:0; padding:0;}
#con ul li{ width:100%;  border-bottom:1px #333333 dotted; padding:20px 0; overflow:hidden; }
#con ul li p{ margin-left:68px;line-height:1.5;  padding:10px;}
 -->
 </style>
<body>
<div id="con">
  <ul>
    <li> 
        <p>微博首页简单的滚动效果</p>
    </li>
    <li> 
        <p>微博首页简单的滚动效果1</p>
    </li>
    <li> 
        <p>微博首页简单的滚动效果2 </p>
    </li>
    <li> 
        <p>微博首页简单的滚动效果3 </p>
    </li>
  </ul>
</div>
</body>
</html>
[/task]
posted @ 2012-09-12 20:04  lines  阅读(276)  评论(0编辑  收藏  举报