基于前端技术的3D轮播图

2018-12-13 分类：Javascript 作者：huanggr 阅读（1305）

在前端，轮播都是必不可少的，那么我们如何将轮播做的好看呢，现在更新了CSS3之后，前端已经可以去制作一些3D效果了，也就可以做轮播了，接下来我们来来有哪些地方需要注意的吧!

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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
* { margin: 0; padding: 0}
body {
perspective: 700px;
}
ul {list-style: none;}
ul {
width: 200px;
height: 200px;
margin: 100px auto;
position: relative;
transition: all 2s;
transform-style: preserve-3d;
transform: scaleX(2.5) scaleY(1.5) rotateX(0deg);
}
/* ul:hover {
transform:scaleX(2.5) scaleY(1.5) rotateX(360deg);
}*/
ul li {
width: 100%;
height: 100%;
text-align: center;
line-height: 200px;
color: white;
font-size:40px;
position: absolute;
-webkit-background-size: cover;

}
ul li:nth-child(1) {
transform: rotateX(0deg) translateZ(100px);
background: url(https://www.huanggr.cn/wp-content/themes/boke/images/s1.png) no-repeat;
background-size: cover;
}
ul li:nth-child(2) {
background: url(https://www.huanggr.cn/wp-content/themes/boke/images/s1.png) no-repeat;
transform: rotateX(-90deg) translateZ(100px);
background-size: cover;
}
ul li:nth-child(3) {
background: url(https://www.huanggr.cn/wp-content/themes/boke/images/s1.png) no-repeat;
transform: rotateX(-180deg) translateZ(100px);
background-size: cover;
}
ul li:nth-child(4) {
background: url(https://www.huanggr.cn/wp-content/themes/boke/images/s1.png) no-repeat;
transform: rotateX(-270deg) translateZ(100px);
background-size: cover;
}
ul li:nth-child(5) {
background:rgba(255,0,255,.6);
transform: rotateY(-90deg) translateZ(100px);

}
ul li:nth-child(6) {
background:rgba(23,0,45,.6);
transform: rotateY(90deg) translateZ(100px);
}
span {
position: absolute;
width: 50px;
height: 50px;
border-top: 3px solid #000;
border-right: 3px solid #000;
transform: rotate(45deg);
top: 200px;
left: 50%;
margin-left: 100px;
}
.prev {
transform: rotate(-135deg);
margin-left: -200px;
}
</style>
<script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js"></script>
<script type="text/javascript">
$(function() {
var num = 0;
$(".next").on("click",function() {
num++;
$("ul").css("transform","scaleX(2.5) scaleY(1.5) rotateX("+num*90+"deg)")
})
$(".prev").on("click",function() {
num--;
$("ul").css("transform","scaleX(2.5) scaleY(1.5) rotateX("+num*90+"deg)")
})
})
</script>
</head>
<body>
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
<span class="next"></span><span class="prev"></span>
</body>
</html>

这里我们会发现，我们使用的是css的transform和scaleX制作的效果，这些都很简单，希望大家能够掌握