<!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">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>輪播圖</title>
<style type="text/css">
/*base style*/
html, body, div, ul, li{ margin:0; padding:0;}
body{ font-family:\5FAE\8F6F\96C5\9ED1,'Arial'; color:#333; font-size:12px; background-color:#fff;}
img{ border:none;}
ul li{ list-style-type:none;}
/*lunbo style*/
#scrollPics{
  width:560px;
  height: 300px;
  margin:20px auto 0 auto;
  overflow: hidden;
  position:relative;
}
.num{
  position:absolute;
  right:5px;
  bottom:5px;
}
#scrollPics .num li{
  float: left;
  color: #FF7300;
  text-align: center;
  line-height: 16px;
  width: 16px;
  height: 16px;
  cursor: pointer;
  overflow: hidden;
  margin: 3px 1px;
  border: 1px solid #FF7300;
  background-color: #fff;
}
#scrollPics .num li.on{
  color: #fff;
  line-height: 21px;
  width: 21px;
  height: 21px;
  font-size: 16px;
  margin: 0 1px;
  border: 0;
  background-color: #FF7300;
  font-weight: bold;
}
</style>
</head>
<body>
<div id="scrollPics">
  <ul class="slider" >
    <li><img src="2.jpg"/></li>
    <li><img src="3.jpg"/></li>
    <li><img src="4.jpg"/></li>
    <li><img src="5.jpg"/></li>
    <li><img src="1.jpg"/></li>
  </ul>
  <ul class="num" >
    <li class="on">1</li>
    <li>2</li>
    <li>3</li>
    <li>4</li>
    <li>5</li>
  </ul>
</div>
<script type="text/javascript" src="jquery-1.10.1.min.js"></script>
<script type="text/javascript">
var len = $(".num > li").length;
var index = 0; //圖片序號
var adTimer;
$(".num li").mouseover(function() {
  index = $(".num li").index(this); //獲取鼠標懸浮 li 的index
  showImg(index);
}).eq(0).mouseover();
//滑入停止動畫，滑出開始動畫.
$('#scrollPics').hover(function() {
  clearInterval(adTimer);
}, function() {
  adTimer = setInterval(function() {
    showImg(index)
    index++;
    if (index == len) { //最后一張圖片之后，轉(zhuǎn)到第一張
      index = 0;
    }
  }, 3000);
}).trigger("mouseleave");
function showImg(index) {
  var adHeight = $("#scrollPics>ul>li:first").height();
  $(".slider").stop(true, false).animate({
    "marginTop": -adHeight * index + "px" //改變 marginTop 屬性的值達到輪播的效果
  }, 1000);
  $(".num li").removeClass("on")
    .eq(index).addClass("on");
}
</script>
</body>
</html>

運行效果圖如下：