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							- <!DOCTYPE html>
 
- <html>
 
- 	<head>
 
- 		<meta charset="utf-8">
 
- 		<title></title>
 
- 	</head>
 
-   <style type="text/css">
 
-     #banner {
 
-       width:100%;
 
-       padding:0;
 
-       clear: both;
 
-       position: relative;
 
-       height: 400px;
 
-       z-index:1;
 
-     }
 
-     #img-list {
 
-       display: block;
 
-       width:5760px;
 
-       height: 400px;
 
-       overflow: hidden;
 
-       z-index:1;
 
-       position: relative;
 
-     }
 
-     #img-list li{
 
-       float: left;
 
-       width:100%;
 
-       height: 400px;
 
-       overflow: hidden;
 
-       /* position: absolute;
 
-       top:0;
 
-       left:0; */
 
-       z-index: 2;
 
-     }
 
-     #list {
 
-       width:100%;
 
-       height:18px;
 
-       text-align: center;
 
-       position: absolute;
 
-       bottom: 10px;
 
-       z-index: 100;
 
-     }
 
-     #list > span {
 
-       width:18px;
 
-       height: 18px;
 
-       overflow: hidden;
 
-       display: inline-block;
 
-       margin:0 2px;
 
-       background: url(../images/yuan.png);
 
-       cursor: pointer;
 
-     }
 
-     #list .on {
 
-       background: url(../images/huanyu.png);
 
-     }
 
-   </style>
 
- 	<body>
 
-     <div id="banner">
 
-       <ul id="img-list">
 
-         <li><img src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fa0.att.hudong.com%2F30%2F29%2F01300000201438121627296084016.jpg&refer=http%3A%2F%2Fa0.att.hudong.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1617503215&t=76c32e76f33522b5103e35ec6bd8ac67" alt="1"/></li>
 
-         <li><img src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fa2.att.hudong.com%2F27%2F81%2F01200000194677136358818023076.jpg&refer=http%3A%2F%2Fa2.att.hudong.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1617503215&t=4cf2c362ac2d0004c07357751334ad2a" alt="2"/></li>
 
-       </ul>
 
-       <div id="list">
 
-         <span index="1" class="on"></span>
 
-         <span index="2"></span>
 
-         <span index="3"></span>
 
-       </div>
 
-     </div>
 
- 	</body>
 
-   <script type="text/javascript">
 
-     var banner=document.getElementById('banner');
 
-     var imglist=document.getElementById('img-list').getElementsByTagName("li");
 
-     var list=document.getElementById('list').getElementsByTagName('span');
 
-     var index=0;
 
-     var timer=null;
 
-     //设置自动播放函数
 
-     function autoPlay () {
 
-        if (++index >= imglist.length) {index = 0};
 
-        changeImg(index);
 
-     }
 
-     // 鼠标划过整个容器时停止自动播放
 
-     banner.onmouseover = function () {
 
-        clearInterval(timer);
 
-     }
 
-     // 鼠标离开整个容器时继续播放至下一张
 
-     banner.onmouseout=function(){
 
-        timer=setInterval(autoPlay,2000);
 
-     }
 
-     // 定义并调用自动播放函数
 
-     timer = setInterval(autoPlay, 2000);
 
-     // 接着定义图片的切换函数
 
-     // 定义图片切换函数
 
-     function changeImg (curIndex) {
 
-        for (var i = 0; i < imglist.length; i++) {
 
-          imglist[i].style.display = "none";
 
-          list[i].className = "";
 
-        }
 
-        imglist[curIndex].style.display = "block";
 
-        list[curIndex].className = "on";
 
-     }
 
-     for (var i = 0; i < list.length; i++) {
 
-      list[i].index=i;
 
-      list[i].onmouseover = function () {
 
-      clearInterval(timer);
 
-      changeImg(this.index);
 
-     };
 
-   </script>
 
- </html>
 
 
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