写的一个轮播插件 效果图如下：
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>test </title>
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
<style type="text/css">
*{margin:0;padding:0;}
ul,li,ol{ list-style:none;}
img,a img{ border:none;}
table{ border-collapse:collapse; border-spacing:0;}
em,i,u{ font-style:normal;}
a{ text-decoration:none;color:#434343;}
a:hover{ text-decoration:underline; color:#ff4000;}
body{font-size:12px; font-family:"宋体";color:#434343;}
.clear{clear:both; font-size:0; overflow:hidden; height:0;}
.blank10{clear:both; font-size:0; overflow:hidden; height:10px;}
.blank{clear:both; font-size:0; overflow:hidden; height:10px; background:#FFF;}
/*********content css定义***********/
#content{width:960px;margin:0 auto;}
h1,h2,h3{ font-family:"微软雅黑";color:#00659b;}
h1,h2,h3,h4,h5,h6{ font-weight:bold;}
#footer{padding-bottom:0;margin:0px auto 0;}
/*********main css定义***********/
.mb15 {margin-bottom: 0px;}
#main{width:960px; margin:6px auto 10px; overflow:hidden;}
.sub_box{width:663px; height:300px; float:left; position:relative; overflow:hidden; border:1px solid #cccccc; background:url(http://trip.elong.com/trip/default/news/images/logo_gray.jpg) center center no-repeat; *background:url(http://trip.elong.com/trip/default/news/images/logo_gray.jpg) 220px 120px no-repeat;}
.sub_box img{border:none; width:663px; height:300px;}
.sub_nav{width:663px; height:25px; bottom:0px; position:absolute; color:#999999; z-index:200;}
.sub_no{height:25px; float:right;}
.sub_no li{display:block; width:25px; height:25px; float:left; overflow:hidden; line-height:25px; vertical-align:middle; text-align:center; background:#000000; filter:alpha(Opacity=70); Opacity:0.7; font-family:Arial; font-size:11px; color:#999999; cursor:pointer;}
.sub_no li.show{background:#ffffff; color:#000000;}
.sub_more{float:right; width:50px; height:25px; background:#000000; filter:alpha(Opacity=70); Opacity:0.7; color:#999999; text-align:center; line-height:25px;}
.sub_more a{color:#999999;}
.sub_more a:hover{color:#cccccc; text-decoration:none;}
</style>
<script type="text/javascript">
function $(id,tag){
var re=(id&&typeof id!="string")?id:document.getElementById(id);
if(!tag){
return re;
}
else{
return re.getElementsByTagName(tag);
}
}
function move(moveWidth,pageItems,displayEl){
var currentMoving=false;
var carouselInterval;
var changePageTimeout;
var currentShowIndex=0;
var currentHideIndex=1;
var pShowEl=$(pageItems[currentShowIndex].itemId).parentNode;
var initPageItemEvent=function(){
var len= pageItems.length;
for(var i=0;i<len;i++){
$(pageItems[i].btn).setAttribute("pageIndex",i);
//按钮事件添加 可以做成配置项 添加自定义点击事件 此处没有处理
$(pageItems[i].btn).onclick= function(){
var cIndex=this.getAttribute("pageIndex")-0;
if(currentMoving || currentShowIndex==cIndex){
return false;
}
clearTimeout(changePageTimeout);
currentHideIndex=cIndex;
if(currentShowIndex>cIndex){
changePaging(true);
}else{
changePaging(false);
}
}
}
};
var changePosition=function(toRight){
var currentItem=$(pageItems[currentShowIndex].itemId);
var hidePage=$(pageItems[currentHideIndex].itemId);
var hideLeft=hidePage.style.left;
hideLeft=parseInt(hideLeft+0,10);
var cWidth=Math.ceil(moveWidth/20);
if(toRight){
var hideMwidth=hideLeft+cWidth;
var currMwidth=hideLeft+moveWidth;
}else{
var hideMwidth=hideLeft-cWidth;
var currMwidth=hideLeft-moveWidth;
}
if((hideMwidth<=0 && !toRight) || (toRight && hideMwidth>=0)){
hideMwidth=0;
clearInterval(carouselInterval);
setTimeout(function(){
var currentItem=$(pageItems[currentShowIndex].itemId);
currentItem.style.display="none";
currentItem.style.left=moveWidth+"px";
displayEl.appendChild(currentItem);
currentShowIndex=currentHideIndex;
currentMoving=false;
},0);
changePageTimeout=setTimeout(function(){
currentHideIndex++;
if(!pageItems[currentHideIndex]){
currentHideIndex=0;
}
changePaging();
},5000);
}
//我测试用的left
currentItem.style.left=currMwidth+"px";
hidePage.style.left =hideMwidth+"px";
};
var changePaging= function(toRight){
currentMoving=true;
$(pageItems[currentShowIndex].btn).className="";
$(pageItems[currentHideIndex].btn).className="show";
var hideItem=$(pageItems[currentHideIndex].itemId);
var hideItemLeft=moveWidth;
if(toRight){
hideItemLeft=0-moveWidth;
pShowEl.insertBefore(hideItem,$(pageItems[currentShowIndex].itemId));
}else{
pShowEl.insertBefore(hideItem,$(pageItems[currentShowIndex].itemId).nextSibling);
}
hideItem.style.left=hideItemLeft+"px";
hideItem.style.display="";
carouselInterval=setInterval(function(){changePosition(toRight);},100);
};
changePageTimeout=setTimeout(changePaging,5000);
initPageItemEvent();
}
window.onload=function(){
//每次轮播移动的距离，每次移动按moveWidth./20计算
var moveWidth=663;
//轮播的数组 按钮和item dom对象的id 从0开始播放
//对没有按钮的情况没有去兼容
//每次过5秒换图。多久播放下一幅图片没有做成配置选项 如修改可做成配置 也可直接替换5000
var pageItems=[
{
btn:"btnPage1",
itemId:"pageNum1"
},{
btn:"btnPage2",
itemId:"pageNum2"
},{
btn:"btnPage3",
itemId:"pageNum3"
},{
btn:"btnPage4",
itemId:"pageNum4"
},{
btn:"btnPage5",
itemId:"pageNum5"
}
];
//调用接口播放
move(moveWidth,pageItems,$("displayDiv"));
};
</script>
</head>
<body >
<div class="sub_box">
<div id="p-select" class="sub_nav">
<div class="sub_no" id="appNum">
<ul >
<li class="show" id="btnPage1">1</li>
<li class="" id="btnPage2">2</li>
<li class="" id="btnPage3">3</li>
<li class="" id="btnPage4">4</li>
<li class="" id="btnPage5">5</li>
</ul>
</div>
</div>
<div id="show" style="position:relative;">
<div style="left:0px;position:absolute;" id="pageNum1">
<img src="1.png">
</div>
</div>
</div>
<div id="displayDiv">
<div style="left:663px;position:absolute;display:none;" id="pageNum2">
<img src="2.png">
</div>
<div style="left:663px;position:absolute;display:none;" id="pageNum3">
<img src="3.png">
</div>
<div style="left:663px;position:absolute;display:none;" id="pageNum4">
<img src="4.png">
</div>
<div style="left:663px;position:absolute;display:none;" id="pageNum5">
<img src="5.png">
</div>
<div>
</body>
</html>