代码简介：
很炫的图片展示特效，由一组图片构成一个3D的圆环状，并自动旋转，鼠标放到某一图片上会自动停止，JavaScript 的功能真够强大，你是不是后悔没有学好JS呢？
代码内容：
View Code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="www.w3.org/1999/xhtml">
<head>
<title>JavaScript实现图片旋转构成3D圆环代码 - www.webdm.cn</title>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
<style type="text/css">
body{background:black;color:white;line-height:29px;}
span{border:1px solid gray;background:#333;padding:4px;font-weight:bold;}
</style>
<script language="javascript">
window.onload=function(){
var rt=new imgRound("imgContainer",120,90,300,80,230,0.01);
setInterval(function(){rt.roundMove()},20)
}
function imgRound(id,w,h,x,y,r,dv,rh,ah){
if (ah==undefined) ah=1;
if (rh==undefined) rh=10;
var dv=dv*ah; //旋转速度
var pi=3.1415926575;
var d=pi/2;
var pd=Math.asin(w/2/r);
var smove=true;
var imgArr=new Array();
var objectId=id;
var o=document.getElementById(objectId);
o.style.position="relative";
var arrimg=o.getElementsByTagName("img");
var pn=arrimg.length; //图片数量
var ed=pi*2/pn;
for (n=0;n<arrimg.length;n++){
var lk=arrimg[n].getAttribute("link");
if (lk!=null) arrimg[n].setAttribute("title",lk)
arrimg[n].onclick=function(){
if (this.getAttribute("link")!=null){
if (this.getAttribute("target")!="_blank") window.location=(this.getAttribute("link"))
else window.open(this.getAttribute("link"))
}
}
arrimg[n].onmouseout=function(){smove=true;}
arrimg[n].onmouseover=function(){smove=false;}
arrimg[n].style.position="absolute";
imgArr.push(arrimg[n]);
}
this.roundMove=function(){
for (n=0;n<=pn-1;n++){
var o=imgArr[n];
var ta=Math.sin(d+ed*n),strFilter;
if (ta<0) o.style.left=Math.cos(d+ed*n-pd)*r+x+"px";
else o.style.left=Math.cos(d+ed*n+pd)*r+x+"px";
o.style.top=ta*rh+rh+y+"px";
var zoom=Math.abs(Math.sin((d+ed*n)/2+pi/4))*0.5+0.5;
o.style.width=Math.abs(Math.cos(d+ed*n+pd)-Math.cos(d+ed*n-pd))*zoom*r+"px";
o.style.height=zoom*h+"px";
if (ta<0) {ta=(ta+1)*80+20;o.style.zIndex=0;}
else {ta=100;o.style.zIndex=1}
if (o.style.zIndex<=0) strFilter="FlipH(enabled:true)"
else strFilter="FlipH(enabled:false)";
strFilter=strFilter+" alpha(opacity="+ta+")";
o.style.opacity=ta/100;
o.style.filter=strFilter;
}
if (smove) d=d+dv;
}
}
</script>
</head>
<body>
<div id="imgContainer" style="600px;height:300px;border:1px solid red">
<img src="http://www.webdm.cn/images/wall1_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall2_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall3_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall4_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall5_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall1_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall2_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall3_s.jpg" link="/" target="_blank">
</div>
</body>
</html>
<br />
<p><a href="http://www.webdm.cn">网页代码站</a> - 最专业的网页代码下载网站 - 致力为中国站长提供有质量的网页代码！</p>
代码来自：http://www.webdm.cn/webcode/1b2f7194-49fe-4e96-9469-07200a910095.html
<html xmlns="www.w3.org/1999/xhtml">
<head>
<title>JavaScript实现图片旋转构成3D圆环代码 - www.webdm.cn</title>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
<style type="text/css">
body{background:black;color:white;line-height:29px;}
span{border:1px solid gray;background:#333;padding:4px;font-weight:bold;}
</style>
<script language="javascript">
window.onload=function(){
var rt=new imgRound("imgContainer",120,90,300,80,230,0.01);
setInterval(function(){rt.roundMove()},20)
}
function imgRound(id,w,h,x,y,r,dv,rh,ah){
if (ah==undefined) ah=1;
if (rh==undefined) rh=10;
var dv=dv*ah; //旋转速度
var pi=3.1415926575;
var d=pi/2;
var pd=Math.asin(w/2/r);
var smove=true;
var imgArr=new Array();
var objectId=id;
var o=document.getElementById(objectId);
o.style.position="relative";
var arrimg=o.getElementsByTagName("img");
var pn=arrimg.length; //图片数量
var ed=pi*2/pn;
for (n=0;n<arrimg.length;n++){
var lk=arrimg[n].getAttribute("link");
if (lk!=null) arrimg[n].setAttribute("title",lk)
arrimg[n].onclick=function(){
if (this.getAttribute("link")!=null){
if (this.getAttribute("target")!="_blank") window.location=(this.getAttribute("link"))
else window.open(this.getAttribute("link"))
}
}
arrimg[n].onmouseout=function(){smove=true;}
arrimg[n].onmouseover=function(){smove=false;}
arrimg[n].style.position="absolute";
imgArr.push(arrimg[n]);
}
this.roundMove=function(){
for (n=0;n<=pn-1;n++){
var o=imgArr[n];
var ta=Math.sin(d+ed*n),strFilter;
if (ta<0) o.style.left=Math.cos(d+ed*n-pd)*r+x+"px";
else o.style.left=Math.cos(d+ed*n+pd)*r+x+"px";
o.style.top=ta*rh+rh+y+"px";
var zoom=Math.abs(Math.sin((d+ed*n)/2+pi/4))*0.5+0.5;
o.style.width=Math.abs(Math.cos(d+ed*n+pd)-Math.cos(d+ed*n-pd))*zoom*r+"px";
o.style.height=zoom*h+"px";
if (ta<0) {ta=(ta+1)*80+20;o.style.zIndex=0;}
else {ta=100;o.style.zIndex=1}
if (o.style.zIndex<=0) strFilter="FlipH(enabled:true)"
else strFilter="FlipH(enabled:false)";
strFilter=strFilter+" alpha(opacity="+ta+")";
o.style.opacity=ta/100;
o.style.filter=strFilter;
}
if (smove) d=d+dv;
}
}
</script>
</head>
<body>
<div id="imgContainer" style="600px;height:300px;border:1px solid red">
<img src="http://www.webdm.cn/images/wall1_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall2_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall3_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall4_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall5_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall1_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall2_s.jpg" link="/" target="_blank">
<img src="http://www.webdm.cn/images/wall3_s.jpg" link="/" target="_blank">
</div>
</body>
</html>
<br />
<p><a href="http://www.webdm.cn">网页代码站</a> - 最专业的网页代码下载网站 - 致力为中国站长提供有质量的网页代码！</p>
代码来自：http://www.webdm.cn/webcode/1b2f7194-49fe-4e96-9469-07200a910095.html