<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
* {
margin: 0;
padding: 0;
list-style: none;
}
.img {
position: relative;
width: 100%;
height: 300px;
margin-top: 100px;
}
.whole {
width: 790px;
height: 100%;
margin: 0 auto;
}
.roll-img {
width: 100%;
height: 100%;
position: relative;
transform-style: preserve-3d;
}
.roll-img ul li {
position: absolute;
width: 100%;
height: 100%;
cursor: pointer;
}
img {
width: 100%;
height: 100%;
}
.center {
z-index: 6;
left: 0;
top: 0;
bottom: 10%;
transition: all 1s ease;
}
.after1,
.after2,
.after3,
.after4,
.after5 {
z-index: 3;
left: 0;
top: 0;
visibility: hidden;
/*transform: scale(0);*/
}
.last,
.next {
position: absolute;
z-index: 10;
width: 50px;
height: 50px;
font-size: 50px;
font-weight: bold;
text-align: center;
line-height: 45px;
cursor: pointer;
top: 45%;
color: rgba(255, 255, 255, 0.6);
display: none;
background: rgba(228, 220, 220, 0.7);
}
.btn {
transition: all 0.3s ease;
background: rgb(244, 244, 244);
}
.btn:not(:first-child) {
margin-left: 20px;
}
.last {
left: 0;
}
.next {
right: 0;
}
.list {
position: absolute;
width: 260px;
height: 20px;
bottom: 6px;
left: 560px;
background: rgba(244, 244, 244, 0.2);
padding-left: 12px;
border-radius: 20px;
}
.list span {
display: inline-block;
width: 10px;
height: 10px;
border-radius: 50%;
}
</style>
</head>
<body>
<div class="img">
<div class="whole">
<div class="roll-img">
<span class="last"><</span>
<ul id="ul">
<li class="center"><img src="img/1.jpg" alt="">
<div></div>
</li>
<li class="after1"><img src="img/2.jpg" alt="">
<div></div>
</li>
<li class="after2"><img src="img/3.jpg" alt="">
<div></div>
</li>
<li class="after3"><img src="img/4.jpg" alt="">
<div></div>
</li>
<li class="after4"><img src="img/5.jpg" alt="">
<div></div>
</li>
<li class="after5"><img src="img/6.jpg" alt="">
<div></div>
</li>
<li class="after6"><img src="img/7.jpg" alt="">
<div></div>
</li>
<li class="after7"><img src="img/8.jpg" alt="">
<div></div>
</li>
</ul>
<span class="next">></span>
</div>
</div>
<div class="list">
<span class="btn"></span>
<span class="btn" style="background: red;"></span>
<span class="btn"></span>
<span class="btn"></span>
<span class="btn"></span>
<span class="btn"></span>
<span class="btn"></span>
<span class="btn"></span>
</div>
</div>
<script src="js/jquery-3.3.1.min.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
let classes = ['left', 'center', 'right', 'after1', 'after2', 'after3', 'after4', 'after5'];
let timer = setInterval(function() {
before();
}, 2000);
function before() {
for(let i = 0; i < classes.length; i++) {
$('.btn:eq(' + i + ')').css("background", "rgb(244,244,244)");
}
let last = classes.pop();
classes.unshift(last);
for(let i = 0; i < classes.length; i++) {
$('#ul>li:eq(' + i + ')').attr("class", classes[i]);
if($('#ul>li:eq(' + i + ')').attr("class") == 'center') {
$('.btn:eq(' + i + ')').css("background", "red");
}
}
}
function after() {
for(let i = 0; i < classes.length; i++) {
$('.btn:eq(' + i + ')').css("background", "rgb(244,244,244)");
}
let first = classes.shift();
classes.push(first);
for(let i = 0; i < classes.length; i++) {
$('#ul>li:eq(' + i + ')').attr("class", classes[i]);
if($('#ul>li:eq(' + i + ')').attr("class") == 'center') {
$('.btn:eq(' + i + ')').css("background", "red");
}
}
}
for(let i = 0; i < classes.length; i++) {
(function(i) {
$('#ul>li:eq(' + i + ')').click(function() {
if($('#ul>li:eq(' + i + ')').attr("class") == "left") {
after();
} else if($('#ul>li:eq(' + i + ')').attr("class") == "right") {
before();
} else {
return false;
}
});
$('.btn:eq(' + i + ')').mouseover(function() {
$('.btn:eq(' + i + ')').css("background", "red");
clearInterval(timer);
while(classes[i] != 'center') {
before();
}
});
$('.btn:eq(' + i + ')').mouseout(function() {
$('.btn:eq(' + i + ')').css("background", "rgb(244,244,244)");
clearInterval(timer);
timer = setInterval(function() {
before();
}, 2000);
});
})(i);
}
$('.next').click(function() {
clearInterval(timer);
before();
timer = setInterval(function() {
before();
}, 2000);
});
$('.last').click(function() {
clearInterval(timer);
after();
timer = setInterval(function() {
before();
}, 2000);
});
$('.img').mouseover(function() {
$('.last,.next').css("display", "block");
clearInterval(timer);
});
$('.img').mouseout(function() {
$('.last,.next').css("display", "none");
clearInterval(timer);
timer = setInterval(function() {
before();
}, 2000);
});
</script>
</body>
</html>
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