主要运用了定时器的原理，bind,trigger应用等
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>banner切换实现</title> <style type="text/css"> /* * @description: banner切换样式 * @author: lanfeng(beryl) * @time:2013-02-26 */ /* reset*/ *{ margin: 0; padding: 0;} body{font:12px/1.5 Tahoma,'\5B8B\4F53',arial,Tahoma,helvetica,sans-serif; color:#333333;background-color:#ffffff;position:relative; } h1,h2,h3,h4,h5,h6{font-size:100%} address,em{font-style:normal;} code,kbd,pre,samp{font-family:courier new,courier,monospace;} ul,ol{list-style:none outside none;} fieldset,img{border:0;} img{vertical-align:middle} table{border-collapse:collapse;border-spacing:0;font-size:inherit;*font-size:100%;} input,button,textarea,select{vertical-align:middle;font:100% Helvetica,Arial,sans-serif; color:inherit} .clearfix:after{content:'.';display:block;height:0;clear:both;visibility:hidden;} .clearfix{*zoom:1;} .clear{font-size:0;line-height:0;height:0;clear:both;visibility:hidden;overflow:hidden;} .d-ftab{ width:510px; height: 180px;position: relative; margin: 100px auto;} .d-fShow ul li{ float: left; width: 510px; height: 180px;} .d-fShow{ width: 510px; height: 180px; overflow: hidden;} .d-fShow img{ width: 510px; height: 180px; float: left;} .d-fs-control{ position: absolute; width:510px; position: absolute; left: 0; bottom: 0; height: 25px; line-height: 25px; background: rgba(0,0,0,0.4); filter:progid:DXImageTransform.Microsoft.Gradient(GradientType=0,StartColorStr='#66000000', EndColorStr='#66000000') ; } :root .d-fs-control{filter:progid:DXImageTransform.Microsoft.Gradient(GradientType=0,StartColorStr='#66000000' ,EndColorStr='#66000000')\9 ;} .d-fs-control ul{ position: absolute; bottom:3px; right: 5px; height: 16px;} .d-fs-control ul li{width:16px;height:16px; background:#777675;border-radius: 2px 2px 2px 2px; float:left;margin-left:5px; color:#dcdcdc;text-align:center;font-weight:700;cursor:pointer;line-height:16px;filter: alpha(opacity=70); opacity: 0.7;} .d-fs-control ul li:hover,.d-fs-control ul li.select{background:#ffffff;color:#ff6700;} </style> <script type="text/javascript" src="https://www.jb51.net/js/jquery-1.4.2.min.js"></script> <script type="text/javascript"> $(function(){ var wrap =$('.d-ftab'); var imgs = wrap.find('.d-fShow ul >li'); var len=imgs.length ; var tabTime=100; var outTime=4000; var select='select'; var num =0 ; var interval; var type = 'click'; var btns=wrap.find('.d-fs-control ul>li'); btns.bind(type,function(){ var _this=$(this); _this.addClass('select').siblings ().removeClass('select'); num=_this.prevAll().length; imgs.stop().eq(num).fadeTo(tabTime,1) ; imgs.not(':eq('+num+')').filter(':visible').fadeOut(tabTime) ; return false; }).eq(num).trigger(type); var interFunc=function(){ num=(num+1)%len; btns.eq(num).triggerHandler(type); } wrap.bind('mouseover',function(){ clearInterval(interval); }).bind('mouseout',function(){ interval=setInterval(interFunc,outTime) }) }) </script> </head> <body> <div> <div> <ul> <li> <a href="#"><img alt="" src=" images/1.jpg"/> </a> </li> <li > <a href="#"><img alt="" src="https://www.jb51.net/images/2.png"> </a> </li> <li> <a href="#"><img alt="" src="https://www.jb51.net/images/3.jpg"> </a> </li> <li> <a href=""><img alt="" src="https://www.jb51.net/images/4.jpg"> </a> </li> <li> <a href="#"><img alt="" src="https://www.jb51.net/images/5.jpg"> </a> </li> </ul> </div> <div> <ul> <li>1</li> <li>2</li> <li>3</li> <li>4</li> <li>5</li> </ul> </div> </div> </body> </html>
效果如下图：
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