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1702.html
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1702.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>渐变轮播</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">
<style>
html,body,ul,li,p{
margin: 0;
padding: 0;
}
li{
list-style: none;
}
a{
text-decoration: none;
}
.wrap{
position: relative;
width: 450px;
height: 300px;
overflow: hidden;
}
.wrap .img-ct{
position: absolute;
}
.wrap .img-ct img{
width: 450px;
height: 300px;
}
.wrap .img-ct li{
position: absolute;
display: none;
}
.btn{
position: absolute;
height: 30px;
width: 30px;
border-radius: 15px;
background: #000;
opacity: 0.4;
text-align: center;
line-height: 27px;
display: block;
color: #fff;
top: 50%;
transform: translateY(-50%);
transition: all 1s; /*css3效果*/
}
.btn:hover{
opacity: 1
}
.btn-pre{
left: 10px;
}
.btn-next{
right: 10px;
}
.bullet{
position: absolute;
bottom: 40px;
left: 50%;
transform: translateX(-50%);
}
.bullet li{
height: 5px;
width: 20px;
background-color: #fff;
cursor: pointer;
margin: 0 5px;
border-radius: 5px;
display: inline-block;
}
.bullet .active{
background-color: #666;
}
</style>
</head>
<body>
<div class="wrap">
<ul class="img-ct">
<li data-index="0"><a href="javascript:;"><img src="img/1701.jpg" alt=""></a></li>
<li data-index="1"><a href="javascript:;"><img src="img/1702.jpg" alt=""></a></li>
<li data-index="2"><a href="javascript:;"><img src="img/1703.jpg" alt=""></a></li>
<li data-index="3"><a href="javascript:;"><img src="img/1704.jpg" alt=""></a></li>
<li data-index="3"><a href="javascript:;"><img src="img/1705.jpg" alt=""></a></li>
</ul>
<a href="javascript:;" class="btn btn-pre"><</a>
<a href="javascript:;" class="btn btn-next">></a>
<ul class="bullet">
<li class="active"></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
<script src="http://apps.bdimg.com/libs/jquery/1.9.1/jquery.js"></script>
<script>
$(function(){
var $imgCt = $('.img-ct'),
$items = $('.img-ct li'),
$btnPre = $('.btn-pre'),
$btnNxt = $('.btn-next'),
$bullet = $('.bullet');
var pageIndex = 0,
imgLength = $imgCt.children().length;
var isAnimate = false;
$btnPre.on('click', function(){
playPre();
})
$btnNxt.on('click', function(){
playNxt();
})
$bullet.find('li').on('click', function(){
playTo($(this).index());
})
playTo(0);
autoPlay();
function stopAuto(){
clearInterval(clock);
}
function autoPlay(){
clock = setInterval(function(){
playNxt();
}, 2000);
}
function playNxt(){
playTo((pageIndex+1)%imgLength);
}
function playPre(){
playTo((imgLength+pageIndex-1)%imgLength);
}
function playTo(n){
if(isAnimate === true) return;
isAnimate = true;
$items.eq(pageIndex).fadeOut(500)
$items.eq(n).fadeIn(500, function(){
isAnimate = false;
})
pageIndex = n;
setBullet();
}
function setBullet(){
$bullet.children().removeClass('active').eq(pageIndex).addClass('active')
}
})
</script>
</body>
</html>