<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>焦点图2</title>
<script type="text/javascript" src="https://www.jb51.net/js/jquery-1.8.0.min.js"></script>
<style type="text/css">*{margin:0; padding:0; list-style:none;}
.clear-fix{*zoom:1;}
.clear-fix:after{ content:"\0020"; clear:both; height:0; display:block;}
h1{ text-align:center;}
.top{ width:980px; margin:0 auto; position:relative;}
.top input{ width:100px; position:absolute; top:10px;}
.top .prev{ left:0;}
.top .next{ position:absolute; right:0;}
.slider{width:980px; height:365px; margin:0 auto; position:relative;}
.slider .img_box{width:980px; height:365px; overflow:hidden;}
.slider ul{width:100000px;}
.slider li{ width:980px; height:365px; float:left; background:#ccc; text-align:center; font-size:larger; line-height:365px;}
.slider .num_box{ position:absolute; bottom:10px; right:10px;}
.slider .num_box a{ width:10px; height:10px; background:#fff; border-radius:5px; display:inline-block;}
.slider .num_box a.c{ background:#C00;}</style>
</head>
<body>
<div>
<input type="button" value="上一张" />
<h1>鼠标点击按钮切换</h1>
<input type="button" value="下一张" />
</div>
<div>
<div>
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
</div>
<div>
<a href="javascript:void(0)"></a>
<a href="javascript:void(0)"></a>
<a href="javascript:void(0)"></a>
<a href="javascript:void(0)"></a>
<a href="javascript:void(0)"></a>
</div>
</div>
<script type="text/javascript">var n=0;
function slider(index){
$("ul").stop().animate({marginLeft:-index*980},1000);
$(".num_box a").removeClass("c").eq(index).addClass("c");
}
//自动播放：
t=setInterval(function(){
n++;
n=n>=$(".num_box a").length?0:n;
slider(n);
},3000);
//上一张：
$(".prev").click(function(){
clearInterval(t);
var index=$(".num_box a.c").index()-1;
index=index<0?$(".num_box a").length-1:index;
slider(index);
})
//下一张：
$(".next").click(function(){
clearInterval(t);
var index=$(".num_box a.c").index()+1;
index=index>=$(".num_box a").length?0:index;
slider(index);
})
//点击圆点向右滚动：
$(".num_box a").click(function(){
clearInterval(t);
var index=$(this).index();
slider(index);
})
//鼠标移出按钮和圆点：
$(".num_box a,.next,.prev").mouseout(function(){
clearInterval(t);
t=setInterval(function(){
m=$(".num_box a.c").index()+1;
m=m>=$(".num_box a").length?0:m;
slider(m);
},3000);
})</script>
</body>
</html>
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