<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script src="jquery-1.12.2.js"></script>
<style>
*{
margin: 0;
padding: 0;
list-style: none;
}
.box{
520px;
height: 280px;
border: 1px solid red;
margin: 100px auto 0;
position: relative;
/* overflow: hidden; */
}
.box ul{
3120px;
/* 2600px; */
position: absolute;
left: 0;
top: 0;
}
.box ul li {
float: left;
520px;
height: 280px;
}
.box ol{
position: absolute;
left: 50%;
bottom: 10px;
margin-left: -100px;
}
.box ol li{
20px;
height: 20px;
border-radius: 50%;
background-color: yellow;
float: left;
margin: 5px 10px;
cursor: pointer;
}
.box .current{
background-color: #fff;
}
.box span{
40px;
height: 60px;
background-color: rgba(0, 255, 0, 0.6);
position: absolute;
top: 50%;
margin-top: -30px;
cursor: pointer;
}
.box .arrow-l{
left: 0;
}
.box .arrow-r{
right: 0;
}
</style>
</head>
<body>
<div class="box">
<ul id="imgBox">
<li><img src="images/banner1.jpg" alt=""></li>
<li><img src="images/banner2.jpg" alt=""></li>
<li><img src="images/banner3.jpg" alt=""></li>
<li><img src="images/banner4.jpg" alt=""></li>
<li><img src="images/banner5.jpg" alt=""></li>
</ul>
<ol id="dianBox">
<li class="current"></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ol>
<span class="arrow-l" id="arrowLeft"></span>
<span class="arrow-r" id="arrowRight"></span>
</div>
<script src="animate.js"></script>
<script>
$(function(){
var imgCount = 0;
var firstLi=$('#imgBox>li').eq(0).clone(true);//克隆
$('#imgBox').append(firstLi);//克隆添加元素
//获取宽度
var divWidth =$('.box').width();
//右箭头
$('#arrowRight').click(function(){
imgCount++;
if(imgCount>5){
$('#imgBox').css('left',0);//瞬间移动
imgCount=1;
}
changedian(imgCount);
changeimg(imgCount);
});
// 左箭头
$('#arrowLeft').click(function(){
imgCount--;
if(imgCount<0){
imgCount=4;
}
changedian(imgCount);
changeimg(imgCount);
})
//焦点切换
$('#dianBox>li').click(function(){
index=$(this).index();
changeimg(index);
changedian(index);
imgCount=index;
})
// ---------------封装----------------------
//图片移动
var changeimg=function(num){
var move=-num*divWidth;
$('#imgBox').stop().animate({'left':move},500);
}
//排他
var changedian=function(index){
if(index==5){
index=0;
}
$('#dianBox>li').eq(index).addClass('current').siblings().removeClass('current');
}
//------------定时器-----------------
var timer = setInterval(function(){
$('#arrowRight').click();
},1500);
//-------------清除/添加定时器--------------
$('.box').hover(function(){
clearInterval(timer);
},function(){
timer = setInterval(function(){
$('#arrowRight').click();
},1500);
});
});
</script>
</body>
</html>