这是我做的截图，可以根据鼠标来切换图片，挺有意思的。
里面重要的地方就是JQuery里的内容：大家好好看，我就不多说了，挺简单的
以下是全部代码：
<!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: 700px;
height: 400px;
margin: 100px auto 0;
position: relative;
overflow: hidden;
border: 5px ridge rgb(166,226,46);
}
.wrap img {
display: block;
}
.wrap ul {
height: 400px;
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: 0;
}
.wrap > ol > li {
float: left;
width: 20px;
height: 20px;
text-align: center;
line-height: 20px;
border: 1px solid white;
margin-right: 5px;
background: Gray;
border-radius: 10px;
color: white;
}
.wrap > ol > li:hover {
cursor: pointer;
}
.wrap li.active {
padding: 2px;
color: orange;
margin-top: -4px;
border: 1px solid orange;
border-radius: 12px;
}
img{
width: 700px;
height: 400px;
}
</style>
<script src="../jquery-1.11.1.min.js"></script>
<script>
$(document).ready(function () {
var zIndex = 0;
$(".wrap > ol > li").mouseenter(function () {
zIndex++;
$(this).addClass("active").siblings().removeClass("active");
$(".wrap > ul > li")
.eq($(this).index())
.css({
"z-index": zIndex,
"left": 700
})
.animate({
"left": 0
}, 1000);
});
});
</script>
</head>
<body>
<div class="wrap">
<ul>
<li style="z-index:1;"><img src="images/1.jpg" /></li>
<li><img src="images/2.jpg" /></li>
<li><img src="images/3.jpg" /></li>
<li><img src="images/4.jpg" /></li>
<li><img src="images/5.jpg" /></li>
</ul>
<ol>
<li class="active">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ol>
</div>
</body>
</html>