演示代码: <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>Jquery图片展示焦点图</title> <style type="text/css"> *{ margin:0px; padding:0px; list-style:none; border:0px;} body{ font-size:12px; color:white;} #imageShow{ position:relative; width:586px; height:150px; z-index:1; overflow:hidden;} #imageShow #imageSwitch{ position:absolute; right:0px; bottom:0px; padding-left:50px; z-index:2; background-color:#C08A93; filter: Alpha(opacity=70); opacity:0.7;} #imageShow #imageSwitch li{ float:left; border-left:1px solid white; width:30px; height:14px; line-height:14px; text-align:center;} </style> </ script> $(document).ready(function(){ $imageShow=$('#imageShow'); $images=$('#imageSrc li',$imageShow); $imageSwitches=$('#imageSwitch li',$imageShow); if($images.size()>0){ init(); var timer=setInterval(autoSwitch,3000); $imageSwitches.each(function(index,item){ $(item).click(function(){ clearInterval(timer); setTimeout(function(){timer=setInterval(autoSwitch,3000)},3000); $imageSwitches.css('background-color','').eq(index).css('background-color','#E22E51'); if(index!=$imageShow.data('show')){ $imageShow.data('show',index); $images.hide().eq(index).fadeIn('slow'); } }); }); } function autoSwitch(){ $nowIndex=$imageShow.data('show')+1; if($images.size()>$nowIndex){ $imageSwitches.css('background-color','').eq($nowIndex).css('background-color','#E22E51'); $imageShow.data('show',$nowIndex); $images.hide().eq($nowIndex).fadeIn('slow'); }else{ init(); } } function init(){ $imageShow.data('show',0); $images.hide().eq(0).fadeIn('slow'); $imageSwitches.css('background-color','').eq(0).css('background-color','#E22E51'); } }); </ script> </head> <body> <li><img src="http://files.jb51.net/demoimg/201005/o_1.gif"></li> <li><img src="http://files.jb51.net/demoimg/201005/o_2.gif"></li> <li><img src="http://files.jb51.net/demoimg/201005/o_3.gif"></li> <li><img src="http://files.jb51.net/demoimg/201005/o_4.gif"></li> <li><img src="http://files.jb51.net/demoimg/201005/o_5.gif"></li> <li>1</li> <li>2</li> <li>3</li> <li>4</li> <li>5</li> </body> </html> [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
