<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style type="text/css">
* {
margin: 0;
padding: 0;
}
ul, ol {
list-style: none;
}
.wrap {
width: 650px;
height: 250px;
margin: 100px auto 0;
position: relative;
overflow: hidden;
}
.wrap img {
display: block;
}
.wrap ul {
height: 250px;
z-index: 1;
position: relative;
}
.wrap ol {
height: 30px;
z-index: 2;
position: absolute;
bottom: 0;
right: 0;
}
.wrap > ul > li {
position: absolute;
top: 0;
left: 650px;
}
.wrap > ol > li {
float: left;
width: 20px;
height: 20px;
text-align: center;
line-height: 20px;
border: 1px solid white;
margin-right: 5px;
background: Gray;
}
.wrap > ol > li:hover {
cursor: pointer;
}
.wrap li.active {
padding: 2px;
color: orange;
margin-top: -4px;
border: 1px solid orange;
}
</style>
<script>
</script>
</head>
<body>
<div class="wrap">
<ul>
<li style="z-index:0;left:0;"><img src="images/01.jpg" alt=""/></li>
<li><img src="images/02.jpg" alt=""/></li>
<li><img src="images/03.jpg" alt=""/></li>
<li><img src="images/04.jpg" alt=""/></li>
<li><img src="images/05.jpg" alt=""/></li>
</ul>
<ol>
<li class="active">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ol>
</div>
</body>
</html>
<script src="jquery-1.11.1.js"></script>
<script type="text/javascript">
//大图使用定位，将其定位在右边,所以改变的是zIndex和left值
var timer = null;
var index = 0;
var $ulist = $("ul li");
var $olist = $("ol li");
timer = setInterval(auto,1500);
function auto(){
index++;
if(index == $olist.size()){
index = 0;
}
$olist.eq(index).addClass("active").siblings().removeClass("active");
$ulist.eq(index).animate({left : 0},1500,function(){
//运动完成后，将当前图片的zIndex设为0隐藏，
//同时将其他图片的zIndex设为1，left值设为650px
//这样当轮到某个图片时，使用动画将其left值设为0，因为其本身的zIndex为1，则将其显示出来
$(this).css("zIndex",0).siblings().css({zIndex : 1,left : 650});
});
}
//鼠标移入移出事件
$olist.hover(function(){
clearInterval(timer);
index = $(this).index() - 1;
auto();
},function(){
timer = setInterval(auto,1500);
})
</script>
