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jquery特效 幻灯片效果示例代码

2013-07-16 00:00 585 查看
jquery特效 幻灯片效果，效果图如下： 



<!DOCTYPE html> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf8" /> 
<title>jquery特效</title> 
<style> 
/* CSS Document */ 
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,form,img,dl,dt,dd,table,th,td,blockquote,fieldset,div,strong,label,em{margin:0;padding:0;border:0;} 
ul,ol,li{list-style:none;} 
input,button{margin:0;font-size:12px;vertical-align:middle;} 
body{font-size:12px;font-family:Arial, Helvetica, sans-serif; text-align:center; margin:0 auto; } 
table{border-collapse:collapse;border-spacing:0;} 
a{ color:#333; text-decoration:none;} 
.box{ width:420px; margin:20px auto; position:relative; overflow:hidden; text-align:left;} 
.box img{border:0px; width:420px;} 
.big{ width:100%; float:left; height:196px; overflow:hidden; margin-bottom:2px;} 
.big a{ display:none;} 
.big span{ position:absolute; left:0; top:167px; font-size:13px; color:#fff; z-index:11; height:30px; line-height:30px; text-indent:1em; width:100%; )} 
.num{ width:424px; margin-right:-24px; float:left; height:53px; padding-top:2px;} 
.num li{ width:99px; padding-top:5px; padding-left:1px; cursor:pointer; float:left; margin-right:6px;height:48px;} 
.num img{ width:98px;} 
.num li.on{ background:url(../images/bg01.gif) no-repeat 0 0;} 
.txtbg{ position:absolute; left:0; top:167px; width:100%; height:30px; background:#000; opacity:0.5;filter:alpha(opacity=50); z-index:10;} 
</style> 
<script type="text/javascript" src="js/jquery.min.js"></script> 
<script type="text/javascript"> 
var timer; 
var i=-1; 
var offset=3000; 
function roll(){ 
i++; 
if(i>3){ 
i=0; 
} 
slide(i); 
timer=setTimeout(roll,offset) 
} 
function slide(i){ 
$('.big a').eq(i).fadeIn().siblings().hide(); 
$('.num li').eq(i).siblings().removeClass('on'); 
$('.num li').eq(i).addClass('on'); 
} 
function stopBig(){ 
$('.big').hover(function(){ 
clearTimeout(timer); 
},function(){ 
timer=setTimeout(roll,offset); 
}); 
} 
function stoproll(){ 
$('.num li').hover(function(){ 
clearTimeout(timer); 
i=$(this).index(); 
slide(i); 
},function(){ 
timer=setTimeout(roll,offset); 
}) 
} 
$(function(){ 
roll(); 
stoproll(); 
stopBig() 
}) 
</script> 
</head> 
<body> 
<div class="box"> 
<div class="txtbg"> </div> 
<div class="big"> 
<a href="#" style="display:block"><img src="images/1.jpg" /><span>标题1</span></a> 
<a href="#"><img src="images/2.jpg" /><span>标题2</span></a> 
<a href="#"><img src="images/3.jpg" /><span>标题3</span></a> 
<a href="#"><img src="images/4.jpg" /><span>标题4/span></a> 
</div> 
<ul class="num"> 
<li class="on"><img src="images/1s.jpg" /></li> 
<li><img src="images/2s.jpg" /></li> 
<li><img src="images/3s.jpg" /></li> 
<li><img src="images/4s.jpg" /></li> 
</ul> 
</div> 
</body> 
</html>
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