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{ 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{ 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]