<!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=utf-8" />
<title>原生js自动轮播展示产品图片</title>
<meta name="keywords" content="原生js,自动轮播,展示,产品图片" />
<meta name="description" content="原生js自动轮播展示产品图片" />
<link rel="stylesheet" type="text/CSS" href="css/style.css">
</head>
<body>
<div class="user_callback">
<div class="user_pic" id="user_pic">
<span class="prev"></span> <span class="next"></span>
<ul id="user_call">
<li class="user_pic1">
<a href="#"> <img src="images/57f8c4ccN6a433b82.png" alt="1" width="248" height="285" /></a>
</li>
<li class="user_pic2">
<a href="#"> <img src="images/57f8c4d6Nd425f6a3.png" alt="2" width="247" height="285" /></a>
</li>
<li class="user_pic3">
<a href="#"> <img src="images/57f8c4e1Nbd6f109e.png" alt="3" width="248" height="285" /></a>
</li>
<li class="user_pic4">
<a href="#"> <img src="images/57f8c4ecN92c22efc.png" alt="4" width="247" height="285" /></a>
</li>
<li class="user_pic5">
<a href="#"> <img src="images/583691e7Na26009a0.png" alt="5" width="247" height="285" /></a>
</li>
<li class="user_pic6">
<a href="#"> <img src="images/583691e7Ne2adc3c4.png" alt="6" width="247" height="285" /></a>
</li>
<li class="user_pic7">
<a href="#"> <img src="images/583691e7N058f6f5a.png" alt="7" width="247" height="285" /></a>
</li>
<li class="user_pic8">
<a href="#"> <img src="images/583691e7N36b67a44.png" alt="8" width="247" height="285" /></a>
</li>
</ul>
</div>
</div>
<script type="text/javascript">function arcSlip()
{
var oPic=document.getElementById('user_pic');
var oPrev=getByClass(oPic,'prev')[0];
var oNext=getByClass(oPic,'next')[0];
var aLi=oPic.getElementsByTagName('li');
var arr=[];
for(var i=0;i<aLi.length;i++)
{
var oImg=aLi.getElementsByTagName('img')[0];
arr.push([parseInt(getStyle(aLi,'left')),parseInt(getStyle(aLi,'top')),
getStyle(aLi,'zIndex'),oImg.width,parseFloat(getStyle(aLi,'opacity')*100)]);
}
oPrev.onclick=function moveTP()
{
arr.push(arr[0]);
arr.shift();
for(var i=0;i<aLi.length;i++)
{
var oImg=aLi.getElementsByTagName('img')[0];
aLi.style.zIndex=arr[2];
startMove(aLi,{left:arr[0],top:arr[1],opacity:arr[4]});
startMove(oImg,{width:arr[3]});
}
}
oNext.onclick=function moveTN()
{
arr.unshift(arr[arr.length-1]);
arr.pop();
for(var i=0;i<aLi.length;i++)
{
var oImg=aLi.getElementsByTagName('img')[0];
aLi.style.zIndex=arr[2];
startMove(aLi,{left:arr[0],top:arr[1],opacity:arr[4]});
startMove(oImg,{width:arr[3]});
}
}
var moveTime = setInterval (function(){
oNext.click();
},1000);
$('#user_pic').hover(function(){
;;
clearInterval(moveTime);
},function(){
moveTime=setInterval(function(){
oNext.click();
},1000);
});
function getStyle(obj,name)
{
if(obj.currentStyle){ return obj.currentStyle[name]; }
else{ return getComputedStyle(obj,false)[name]; }
}
}
function getByClass(oParent,sClass)
{
var aResult=[];
var aEle=oParent.getElementsByTagName('*');
for(var i=0;i<aEle.length;i++)
{
if(aEle.className==sClass)
{
aResult.push(aEle);
}
}
return aResult;
}
function getStyle(obj,name)
{
if(obj.currentStyle)
{
return obj.currentStyle[name];
}
else
{
return getComputedStyle(obj,false)[name];
}
}
function startMove(obj,json,fnEnd)
{
clearInterval(obj.timer);
obj.timer=setInterval(function()
{
var bStop=true;
for(var attr in json)
{
var cur=0;
if(attr=='opacity')
{
cur=Math.round(parseFloat(getStyle(obj,attr))*100);
}
else
{
cur=parseInt(getStyle(obj,attr));
}
var speed=(json[attr]-cur)/6;
speed=speed>0?Math.ceil(speed):Math.floor(speed);
if(cur!=json[attr]) bStop=false;
if(attr=='opacity')
{
obj.style.filter='alpha(opacity:'+(cur+speed)+')';
obj.style.opacity=(cur+speed)/100;
}
else
{
obj.style[attr]=cur+speed+'px';
}
}
if(bStop)
{
clearInterval(obj.timer);
if(fnEnd) fnEnd();
}
},30)
}
arcSlip();
</script>
</body>
</html>
|