- <pre name="code" class="html"><!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <title>Document</title>
- <style>
- *{margin:0;
- padding:0;
- list-style:none;}
- .wrap{height:170px;
- width:490px;
- margin:60px auto;
- overflow: hidden;
- position: relative;
- margin:100px auto;}
- .wrap ul{position:absolute;}
- .wrap ul li{height:170px;}
- .wrap ol{position:absolute;
- right:5px;
- bottom:10px;}
- .wrap ol li{height:20px; width: 20px;
- background:#ccc;
- border:solid 1px #666;
- margin-left:5px;
- color:#000;
- float:left;
- line-height:center;
- text-align:center;
- cursor:pointer;}
- .wrap ol .on{background:#E97305;
- color:#fff;}
- </style>
- <script type="text/javascript">
- window.onload=function(){
- var wrap=document.getElementById('wrap'),
- pic=document.getElementById('pic'),
- list=document.getElementById('list').getElementsByTagName('li'),
- index=0,
- timer=null;
- // 定义并调用自动播放函数
- function auto(){
- timer=setInterval(function(){
- index++;
- if(index>=list.length){
- index=0;
- }
- change(index);
- },2000);
- }
- auto();
- // 定义图片切换函数
- function change(curIndex){
- pic.style.marginTop=-170*curIndex+"px";
- for(var j=0;j<list.length;j++){
- list[j].className="";
- }
- list[curIndex].className="on";
- index=curIndex;
- }
- // 鼠标划过整个容器时停止自动播放
- wrap.onmouseover=function(){
- clearInterval(timer);
- }
- // 鼠标离开整个容器时继续播放至下一张
- wrap.onmouseout=auto;
- // 遍历所有数字导航实现划过切换至对应的图片
- for(var i=0;i<list.length;i++){
- list[i].id=i;
- list[i].onmouseover=function(){
- change(this.id);
- }
- }
- }
- </script>
- </head>
- <body>
- <div class="wrap" id='wrap'>
- <ul id="pic">
- <li><img src="http://img.mukewang.com/54111cd9000174cd04900170.jpg" alt=""></li>
- <li><img src="http://img.mukewang.com/54111dac000118af04900170.jpg" alt=""></li>
- <li><img src="http://img.mukewang.com/54111d9c0001998204900170.jpg" alt=""></li>
- <li><img src="http://img.mukewang.com/54111d8a0001f41704900170.jpg" alt=""></li>
- <li><img src="http://img.mukewang.com/54111d7d00018ba604900170.jpg" alt=""></li>
- </ul>
- <ol id="list">
- <li class="on">1</li>
- <li>2</li>
- <li>3</li>
- <li>4</li>
- <li>5</li>
- </ol>
- </div>
- </body>
- </html>
用javascript实现网站首页轮播图效果
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转载自blog.csdn.net/qq_41813695/article/details/80340153
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