图片左右滚动的，但是走一段时间就不走啦，请指教
日期：2014-05-16 浏览次数：20379 次
图片左右滚动的，但是走一段时间就不走啦，请各位高手指教
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk" />
<title>左右翻滚的图片展示</title>
<style type="text/css">
*{margin:0;padding:0; text-align:center;}
ul{list-style:none}
#wrap{width:600px;border:1px solid orange;height:80px;overflow:hidden;}
#a li,#b li{float:left;width:160px;height:60px;margin-left:10px line-height:80px;}
#scrolls{width:200%;float:left;}
#a,#b{float:left;}
.left,.right{width:20px;height:20px;background:yellow;cursor:pointer;}
</style>
</head>
<body style="width:920px; weidth:60px;magrgin:0 auto; text-align:center; ">
<div class="left" id="left" onClick="left()"><<</div>
<div id="wrap">
<div id="scrolls">
<div id="a">
<ul>
<li><img src="image/1.jpg" style="width:160px;height:60px;"/></li>
<li><img src="image/2.jpg" style="width:160px;height:60px;"/></li>
<li><img src="image/3.jpg" style="width:160px;height:60px;"/></li>
<li><img src="image/4.jpg" style="width:160px;height:60px;"/></li>
<li><img src="image/5.jpg" style="width:160px;height:60px;"/></li>
<li><img src="image/6.jpg" style="width:160px;height:60px;"/></li>
</ul>
</div>
<div id="b"> </div>
</div>
<script type="text/javascript">
var $ = function(id){return document.getElementById(id)};
var wrap = $("wrap");
var a = $("a");
var b = $("b");
var show = $("show");
var d;
b.innerHTML = a.innerHTML;
function scrolls(){
d = "n";
if(b.offsetWidth - wrap.scrollLeft <=0){
wrap.scrollLeft = wrap.scrollLeft - b.offsetWidth;
}
else{
wrap.scrollLeft++;
}
}
t = setInterval("scrolls()",10)
function backScrolls(){
if(wrap.scrollLeft <=0){
wrap.scrollLeft = wrap.scrollLeft + b.offsetWidth;
}
else{
wrap.scrollLeft--;
}
}
function left(){
d = "n";
clearT();
t = setInterval("scrolls()",10);
}
function right(){
d = "m";
clearT();
t = setInterval("backScrolls()",10);
}
function clearT(){
clearInterval(t);
}
function runs(){
if(d == "n"){
left();
}
else{
right();
}
}
wrap.onmouseover = function (){
clearT();
}
wrap.onmouseout = function(){
runs();
}
</script>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk" />
<title>左右翻滚的图片展示</title>
<style type="text/css">
*{margin:0;padding:0; text-align:center;}
ul{list-style:none}
#wrap{width:600px;border:1px solid orange;height:80px;overflow:hidden;}
#a li,#b li{float:left;width:160px;height:60px;margin-left:10px line-height:80px;}
#scrolls{width:200%;float:left;}
#a,#b{float:left;}
.left,.right{width:20px;height:20px;background:yellow;cursor:pointer;}
</style>
</head>
<body style="width:920px; weidth:60px;magrgin:0 auto; text-align:center; ">
<div class="left" id="left" onClick="left()"><<</div>
<div id="wrap">
<div id="scrolls">
<div id="a">
<ul>
<li><img src="image/1.jpg" style="width:160px;height:60px;"/></li>
<li><img src="image/2.jpg" style="width:160px;height:60px;"/></li>
<li><img src="image/3.jpg" style="width:160px;height:60px;"/></li>
<li><img src="image/4.jpg" style="width:160px;height:60px;"/></li>
<li><img src="image/5.jpg" style="width:160px;height:60px;"/></li>
<li><img src="image/6.jpg" style="width:160px;height:60px;"/></li>
</ul>
</div>
<div id="b"> </div>
</div>
<script type="text/javascript">
var $ = function(id){return document.getElementById(id)};
var wrap = $("wrap");
var a = $("a");
var b = $("b");
var show = $("show");
var d;
b.innerHTML = a.innerHTML;
function scrolls(){
d = "n";
if(b.offsetWidth - wrap.scrollLeft <=0){
wrap.scrollLeft = wrap.scrollLeft - b.offsetWidth;
}
else{
wrap.scrollLeft++;
}
}
t = setInterval("scrolls()",10)
function backScrolls(){
if(wrap.scrollLeft <=0){
wrap.scrollLeft = wrap.scrollLeft + b.offsetWidth;
}
else{
wrap.scrollLeft--;
}
}
function left(){
d = "n";
clearT();
t = setInterval("scrolls()",10);
}
function right(){
d = "m";
clearT();
t = setInterval("backScrolls()",10);
}
function clearT(){
clearInterval(t);
}
function runs(){
if(d == "n"){
left();
}
else{
right();
}
}
wrap.onmouseover = function (){
clearT();
}
wrap.onmouseout = function(){
runs();
}
</script>
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