jq左右按钮点击幻灯片
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <script type="text/javascript" src="js/jquery-1.7.min.js"></script> <title>左右点击幻灯片</title> <style type="text/css"> *{margin: 0;padding: 0;} ul{ list-style: none;} .wrapper{width: 300px;height: 200px; margin:100px auto;overflow: hidden;border: 2px solid #ccc;position: relative;} .scroll{width: 205px;margin: 0 auto; overflow: hidden;} .scroll li{float: left; margin: 5px; height:160px; font-size:60px; text-align:center; line-height:100px; font-weight:800; background:#FF3F00; color:#fff; width:200px;} .prev,.next{ width: 30px;height: 30px;background: #daa520;color: #fff;cursor: pointer;position: absolute;top:80px; text-align: center;line-height: 30px;} .next{ right: 0;} </style> </head> <script> $(function(){ var oScroll=$('.scroll>ul'),oLi=oScroll.find('li'),oLen=oLi.length,oPrev=$('.prev'),oNext=$('.next'),oWidth=oLi.eq(0).outerWidth(true),iNow= 1,oCur=$('.count>em'),oCount=$('.count>i'),iTimer=null; oScroll.width(oWidth*oLen); oCount.html(oLen); function count(){ oCur.html(iNow); } function Prev(){ oScroll.css({marginLeft:-oWidth+'px'}).find('li:last').prependTo(oScroll); oScroll.stop(true,true).animate({marginLeft:0+'px'},600); iNow=iNow>1?iNow-1:oLen; count(iNow); } function Next(){ oScroll.stop(true,true).animate({marginLeft:-oWidth+'px'},600,function(){ oScroll.css({marginLeft:0}).find('li:first').appendTo(oScroll); }) iNow=iNow<oLen?iNow+1:1; count(iNow); } oPrev.bind('click',Prev); oNext.bind('click',Next); iTimer=setInterval(Next,3000); $('.wrapper').hover(function(){ clearInterval(iTimer); },function(){ iTimer=setInterval(Next,3000); }) }) </script> <body> <div class="wrapper"> <span class="prev">《</span> <span class="next">》</span> <div class="scroll"> <ul> <li>1</li> <li>2</li> <li>3</li> <li>4</li> </ul> </div> <div class="count"><em>1</em>/<i>0</i></div> </div> </body> </html>
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