jquery特效 幻灯片效果，效果图如下：
复制代码 代码如下:
<!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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