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使用的时候碰到demo1滚动完毕后就停止的问题，经调试查看demo2未能浮动到demo1之后，在demo下，demo1，demo2之上插入一层等于demo1+demo2宽度的div，问题解决。
注意，demo1和demo2的宽度一定要等于所有图片的总宽度，否则图片滚动显示不全或者出现空挡。

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script type="text/javascript" src="Marquee.js"></script>
<style type="text/css">


</style>
</head>
<body>

<div id="demo">
<ul id="demo1">
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
<li><a href="#"><img src="" width="60" height="60" alt="图片占有位" /></a> </li>
</ul>
<ul id="demo2"></ul>
</div>


<script>
toleft("demo","demo1","demo2",30,"onedemo");
//toright("demo0","demo11","demo22",20,"ti2");
</script>
</body>
</html>

js核心代码

//调用向左滚动
//toleft("demo","demo1","demo2",30,"ti1")
//调用向右滚动
//toright("demo0","demo11","demo22",20,"ti2")

function $(id)
{
return document.getElementById(id)
}

//向左滚动函数，demo包含demo1与demo2,speed是滚动速度，flag一个网页内有多个时设置为不同的任意字符。
function toleft(demo,demo1,demo2,speed,flag)
{
demo=$(demo);
demo1=$(demo1);
demo2=$(demo2)
demo2.innerHTML=demo1.innerHTML
function Marquee()
{
if(demo2.offsetWidth-demo.scrollLeft<=0)
{
demo.scrollLeft-=demo1.offsetWidth
}
else
{
demo.scrollLeft++
}
}
flag=setInterval(Marquee,speed)
demo.onmouseover=function()
{
clearInterval(flag);
}
demo.onmouseout=function()
{
flag=setInterval(Marquee,speed);
}
}

//向右滚动函数，demo包含demo1与demo2,speed是滚动速度，flag一个网页内有多个时设置为不同的任意字符。
function toright(demo,demo1,demo2,speed,flag)
{
demo=$(demo);
demo1=$(demo1);
demo2=$(demo2)
demo2.innerHTML=demo1.innerHTML
function Marquee()
{
if(demo.scrollLeft<=0)
{
demo.scrollLeft=demo2.offsetWidth
}
else
{
demo.scrollLeft--
}
}
flag=setInterval(Marquee,speed)
demo.onmouseover=function()
{
clearInterval(flag);
}
demo.onmouseout=function()
{
flag=setInterval(Marquee,speed);
}
}

posted on 2012-10-01 22:52 wf 阅读(398) 评论(0) 编辑收藏引用所属分类: Computer Tech.

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