<!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;}
.wrapper{
width: 670px;
height: 240px;
margin: 100px auto;
overflow: hidden;
position: relative;
}
ol{
position: absolute;
right: 0;
bottom: 10px;
width: 190px;
}
ol li{
float: left;
width: 20px;
height: 20px;
margin: 0 5px;
text-align: center;
border-radius: 50%;
cursor: default;
background-color: #abc;
}
ol li.current{
background-color: pink;
}
</style>
<script type="text/javascript" src="../jquery-1.11.1.min.js"></script>
<script type="text/javascript">
$(function () {
// 根据ol下li的索引号，匹配ul下相对应li的索引号
$(".wrapper ol li").mouseenter(function () {
$(this).addClass("current").siblings().removeClass("current");
$(".wrapper ul li").eq($(this).index()).fadeIn("fast").siblings().fadeOut();
});
});
</script>
</head>
<body>
<div class="wrapper">
<ul>
<li><img src="data:images/1.jpg" alt=""/></li>
<li><img src="data:images/2.jpg" alt=""/></li>
<li><img src="data:images/3.jpg" alt=""/></li>
<li><img src="data:images/4.jpg" alt=""/></li>
<li><img src="data:images/5.jpg" alt=""/></li>
<li><img src="data:images/6.jpg" alt=""/></li>
</ul>
<ol>
<li class="current">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
</ol>
</div>
</body>
</html>