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实现图片轮播的代码：<!DOCTYPE html>
<!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" />
<style type="text/css" media="all">
.d1{
width:770px;
height:auto;
overflow:hidden;
border:#666666 2px solid;
background-color:#000000;
position:relative;
}
.loading{
width:770px;
border:#666666 2px solid;
background-color:#000000;
color:#FFCC00;
font-size:12px;
height:290px;
text-align:center;
padding-top:30px;
font-family:Verdana, Arial, Helvetica, sans-serif;
font-weight:bold;
}
.d2{
width:100%;
height:290px;
overflow:hidden;
}
.num_list{
position:absolute;
width:100%;left:0px;
bottom:-1px;
background-color:#000000;
color:#FFFFFF;
font-size:12px;
padding:4px 0px;
height:20px;
overflow:hidden;
}
.num_list span{
display:inline-block;
height:16px;
padding-left:6px;
}
img{
border:0px;
}
ul{
display:none;
}
.button{
position:absolute;
z-index:1000;
right:0px;
bottom:2px;
font-size:13px;
font-weight:bold;
font-family:Arial, Helvetica, sans-serif;
}
.b1,.b2{
background-color:#666666;
display:block;
float:left;
padding:2px 6px;
margin-right:3px;
color:#FFFFFF;
text-decoration:none;
cursor:pointer;
}
.b2{
color:#FFCC33;
background-color:#FF6633;
}
</style>
<script language="javascript" type="text/javascript">
/*
power by: http://www.wxwdesign.cn
*/
//主函数
var s=function(){
var interv=2000; //切换间隔时间
var interv2=10; //切换速速
var opac1=80; //文字背景的透明度
var source="fade_focus" //焦点轮换图片容器的id名称
//获取对象
function getTag(tag,obj){
if(obj==null){
return document.getElementsByTagName(tag)
}else{
return obj.getElementsByTagName(tag)
}
}
function getid(id){
return document.getElementById(id)
};
var opac=0,j=0,t=63,num,scton=0,timer,timer2,timer3;
var id=getid(source);
id.removeChild(getTag("div",id)[0]);
var li=getTag("li",id);
var div=document.createElement("div");
var title=document.createElement("div");
var span=document.createElement("span");
var button=document.createElement("div");
button.className="button";
for(var i=0;i<li.length;i++){
var a=document.createElement("a");
a.innerHTML=i+1;
a.onclick=function(){
clearTimeout(timer);
clearTimeout(timer2);
clearTimeout(timer3);
j=parseInt(this.innerHTML)-1;
scton=0;t=63;
opac=0;fadeon();
};
a.className="b1";
a.onmouseover=function(){
this.className="b2"
};
a.onmouseout=function(){
this.className="b1";
sc(j)
};
button.appendChild(a);
}
//控制图层透明度
function alpha(obj,n){
if(document.all){
obj.style.filter="alpha(opacity="+n+")";
}
else{
obj.style.opacity=(n/100);
}
}
//控制焦点按钮
function sc(n){
for(var i=0;i<li.length;i++){
button.childNodes[i].className="b1"
};
button.childNodes[n].className="b2";
}
title.className="num_list";
title.appendChild(span);
alpha(title,opac1);
id.className="d1";
div.className="d2";
id.appendChild(div);
id.appendChild(title);
id.appendChild(button);
//渐显
var fadeon=function(){
opac+=5;div.innerHTML=li[j].innerHTML;
span.innerHTML=getTag("img",li[j])[0].alt;
alpha(div,opac);
if(scton==0){
sc(j);num=-2;
scrolltxt();
scton=1
};
if(opac<100){
timer=setTimeout(fadeon,interv2)
}else{
timer2=setTimeout(fadeout,interv);
};
}
//渐隐
var fadeout=function(){
opac-=5;
div.innerHTML=li[j].innerHTML;
alpha(div,opac);
if(scton==0){
num=2;
scrolltxt();
scton=1
};
if(opac>0){
timer=setTimeout(fadeout,interv2)
}else{
if(j<li.length-1){
j++
}else{
j=0
};
fadeon()
};
}
//滚动文字
var scrolltxt=function(){
t+=num;
span.style.marginTop=t+"px";
if(num<0 && t>3){
timer3=setTimeout(scrolltxt,interv2)
}else if(num>0 && t<62){
timer3=setTimeout(scrolltxt,interv2)
}else{
scton=0
}
};
fadeon();
}
//初始化
window.onload=s;
</script>
</head>
<body>
<div id="fade_focus">
<div class="loading">Loading...<br /><img src="images/p1.png" width="770" height="290" /></div>
<ul>
<li><a href="http://www.wxwdesign.cn" target="_blank"><img src="images/p1.png" width="770" height="290" alt="浪漫时尚季" /></a></li>
<li><a href="http://www.wxwdesign.cn" target="_blank"><img src="images/p2.png" width="770" height="290" alt="享受这一刻的舒适" /></a></li>
<li><a href="http://www.wxwdesign.cn" target="_blank"><img src="images/p3.png" width="770" height="290" alt="一见清新" /></a></li>
</ul>
</div>
</body>
</html>实现效果：
标签：
原文地址：http://blog.csdn.net/yzi_angel/article/details/45696729
