<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>jQuery仿京东首页广告图片切换</title>
<style type="text/css">
div,ul,li,a,span,img{margin:0;padding:0;}
li{list-style:none;}
#slider{width:790px;height:340px;margin:10% auto;position:relative;}
.slider_list li{position:absolute;display:none;}
.slider_list li:first-child{display:block;}
.slider_icon{position:absolute;z-index:1;left:40%;bottom:20px;font-size:0;padding:4px 8px;border-radius:12px;background-color:hsla(0,0%,100%,.3);}
.slider_icon i{display:inline-block;width:12px;height:12px;border-radius:50%;margin:0 5px;}
.btn{background:#fff;}
.arrow{display:none;width:30px;height:60px;background-color:rgba(0,0,0,.2);position:absolute;top:50%;margin-top:-30px;}
.prve{left:0;}
.next{right:0;}
.arrow span{display:block;width:10px;height:10px;border-bottom:2px solid #fff;border-left:2px solid #fff;}
.slider_left{margin:25px 0 0 10px;transform:rotate(45deg);}
.slider_right{margin:25px 0 0 5px;transform:rotate(-135deg);}
.arrow:hover{background:#444;}
#slider:hover .arrow{display:block;}
.btn_act{background:#db192a;}
</style>
<script type="text/javascript" src="js/jquery-1.11.3.min.js"></script>
<script type="text/javascript">
$(function(){
var count = 0;
var $li = $("#slider>ul>li");
$(".next").click(function(){
count++;
if(count == $li.length){
count =0;
}
$li.eq(count).fadeIn().siblings().fadeOut();
$(".slider_icon i").eq(count).addClass("btn_act").siblings().removeClass('btn_act');
console.log(count);
});
$(".prve").click(function(){
count--;
if(count == -1){
count = $li.length-1;
}
console.log(count);
$li.eq(count).fadeIn().siblings().fadeOut();
$(".slider_icon i").eq(count).addClass("btn_act").siblings().removeClass('btn_act');
});
$(".slider_icon i").mouseenter(function(){
$(this).addClass('btn_act').siblings().removeClass("btn_act");
$li.eq($(this).index()).fadeIn().siblings().fadeOut();
count = $(this).index();
});
});
</script>
</head>
<body>
<div id="slider">
<ul class="slider_list">
<li><a href="#"><img src="img/banner1.jpg"></a></li>
<li><a href="#"><img src="img/banner2.jpg"></a></li>
<li><a href="#"><img src="img/banner3.jpg"></a></li>
<li><a href="#"><img src="img/banner4.jpg"></a></li>
<li><a href="#"><img src="img/banner5.jpg"></a></li>
<li><a href="#"><img src="img/banner6.jpg"></a></li>
<li><a href="#"><img src="img/banner7.jpg"></a></li>
<li><a href="#"><img src="img/banner8.jpg"></a></li>
</ul>
<div class="slider_icon">
<i class="btn btn_act"></i>
<i class="btn"></i>
<i class="btn"></i>
<i class="btn"></i>
<i class="btn"></i>
<i class="btn"></i>
<i class="btn"></i>
<i class="btn"></i>
</div>
<a href="javascript:;" class="arrow prve">
<span class="slider_left"></span>
</a>
<a href="javascript:;" class="arrow next">
<span class="slider_right"></span>
</a>
</div>
<div style="text-align:center;margin:20px 0; font:normal 14px/24px 'MicroSoft YaHei';">
<p>适用浏览器：360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗. 不支持IE8及以下浏览器。</p>
</div>
</body>
</html>
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