这段代码的功能是使图片首尾相接不间断向左移动,为什么移动2次就停止移动了<!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>
<title></title>
<style type="text/css">
body{margin:0px auto; padding:0px;}
ul,li{margin:0px; padding:0px;list-style.:none;}
.sqBorder {width:945px; height:96px; padding:10px; border:1px #000000 solid; background:#c60000;}
.scroll_div {width:945px; height:95px;margin:0 auto; overflow: hidden; white-space: nowrap; background:#c60000;}
.scroll_div img {width:120px;height:94px;border: 0;margin: auto 2px; border:1px #efefef solid; cursor:pointer;}
#scroll_begin, #scroll_end, #scroll_begin ul, #scroll_end ul, #scroll_begin ul li, #scroll_end ul li{display:inline;}
</style>
<script type="text/javascript">
function ScrollImgLeft() {
var speed = 20
var scroll_begin = document.getElementById("scroll_begin");
var scroll_end = document.getElementById("scroll_end");
var scroll_div = document.getElementById("scroll_div");
scroll_end.innerHTML = scroll_begin.innerHTML
function Marquee() {
if (scroll_end.offsetWidth - scroll_div.scrollLeft <= 0)
scroll_div.scrollLeft -= scroll_begin.offsetWidth
else
scroll_div.scrollLeft++
}
var MyMar = setInterval(Marquee, speed)
scroll_div.onmouseover = function() { clearInterval(MyMar) }
scroll_div.onmouseout = function() { MyMar = setInterval(Marquee, speed) }
}
</script>
</head>
<body>
<h2 align="center">向左滚动</h2>
<div style="text-align:center">
<div class="sqBorder">
<div id="scroll_div" class="scroll_div">
<div id="scroll_begin">
<ul>
<li><img src='img/t1-thmb.jpg' /></li>
<li><img src='img/t2-thmb.jpg' /></li>
<li><img src='img/t3-thmb.jpg' /></li>
<li><img src='img/t4-thmb.jpg' /></li>
<li><img src='img/t5-thmb.jpg' /></li>
<li><img src='img/t7-thmb.jpg' /></li>
<li><img src='img/t8-thmb.jpg' /></li>
</ul>
</div>
<div id="scroll_end"></div>
</div>
</div>
<script type="text/javascript">ScrollImgLeft();</script>
</div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<style type="text/css">
body{margin:0px auto; padding:0px;}
ul,li{margin:0px; padding:0px;list-style.:none;}
.sqBorder {width:945px; height:96px; padding:10px; border:1px #000000 solid; background:#c60000;}
.scroll_div {width:945px; height:95px;margin:0 auto; overflow: hidden; white-space: nowrap; background:#c60000;}
.scroll_div img {width:120px;height:94px;border: 0;margin: auto 2px; border:1px #efefef solid; cursor:pointer;}
#scroll_begin, #scroll_end, #scroll_begin ul, #scroll_end ul, #scroll_begin ul li, #scroll_end ul li{display:inline;}
</style>
<script type="text/javascript">
function ScrollImgLeft() {
var speed = 20
var scroll_begin = document.getElementById("scroll_begin");
var scroll_end = document.getElementById("scroll_end");
var scroll_div = document.getElementById("scroll_div");
scroll_end.innerHTML = scroll_begin.innerHTML
function Marquee() {
if (scroll_end.offsetWidth - scroll_div.scrollLeft <= 0)
scroll_div.scrollLeft -= scroll_begin.offsetWidth
else
scroll_div.scrollLeft++
}
var MyMar = setInterval(Marquee, speed)
scroll_div.onmouseover = function() { clearInterval(MyMar) }
scroll_div.onmouseout = function() { MyMar = setInterval(Marquee, speed) }
}
</script>
</head>
<body>
<h2 align="center">向左滚动</h2>
<div style="text-align:center">
<div class="sqBorder">
<div id="scroll_div" class="scroll_div">
<div id="scroll_begin">
<ul>
<li><img src='img/t1-thmb.jpg' /></li>
<li><img src='img/t2-thmb.jpg' /></li>
<li><img src='img/t3-thmb.jpg' /></li>
<li><img src='img/t4-thmb.jpg' /></li>
<li><img src='img/t5-thmb.jpg' /></li>
<li><img src='img/t7-thmb.jpg' /></li>
<li><img src='img/t8-thmb.jpg' /></li>
</ul>
</div>
<div id="scroll_end"></div>
</div>
</div>
<script type="text/javascript">ScrollImgLeft();</script>
</div>
</body>
</html>
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.scroll_div img {width:130px;height:94px;border: 0;margin: auto 2px; border:1px #efefef solid; cursor:pointer;}增加width:130px的宽度,或者增加margin:auto 10px;
具体原因,不太清楚,
自己理解是,就像是滚动条一样,也是有限度的移动范围,当移动到最左边时scroll_div.scrollLeft就不再增加了,方法就是增加scroll_div的宽度,
希望对你有帮助,也希望高手能解释清楚
<!--
function movepic(){
try{
var str=marqueeStr.innerText;
var intLen1=str.length;
var intLen2=marqueeStr.offsetWidth;
var j=intLen2/intLen1;
var strTemp=marqueeStr.innerHTML;
if(j>1){
for(i=0;i<j;i++)
strTemp+=" "+marqueeStr.innerHTML;
}
marqueeStr.innerHTML=strTemp;}
catch(e){}
}
//-->
</SCRIPT>二、在你要插入滚动条的地方插入以下代码:<table width="261" align="center" >
<tr>
<td><marquee behavior="ALTERNATE" Direction="right" scrolldelay="100" id="marqueeStr" height="150"
width="100%" loop="-1" truespeed onMouseOver="this.stop();" onMouseOut="this.start();">
<a href="http://fym888.nease.net"><img src="../../image/cflogo3.gif" width="120" height="50" border="0"></a>
<a href="http://fym888.nease.net"><img src="../../image/cflogo3.gif" width="120" height="50" border="0"></a>
<a href="http://fym888.nease.net"><img src="../../image/cflogo3.gif" width="120" height="50" border="0"></a>
<a href="http://fym888.nease.net"><img src="../../image/cflogo3.gif" width="120" height="50" border="0"></a>
</marquee></td>
</tr>
</table>三、在<body>加上代码onload=movepic(),即这样:<body onload=movepic()>
再按上面的说明修改成你要在滚动字幕中显示的内容一切OK!说明:1、改变滚动方向:改变Direction的值就可改变滚动方向,Direction="right"表示向右滚动; Direction="left"表示向左滚动等。
2、改变scrolldelay 的值可以改变滚动速度,值越大滚动的越慢。