CSS 实现 图片鼠标悬停折叠效果
1. 实现要点
- 折叠是由多个块级元素来完成的;
- 图片是以背景图片的方式呈现出来的;
- 给每个块级元素设置同一张背景图片，通过background-position来控制显示的区域（类似于雪碧图）;
- 通过ransform属性来实现折叠效果;
- 整个包裹div的大小就是图片的原大小，如果更改了尺寸，需要调整background-size等属性调整背景图片大小
2. 效果展示
3. 源码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>hover-folder</title>
<style>
html,
body,
ul,
li {
margin: 0;
padding: 0
}
ul {
list-style: none;
display: block;
}
body {
width: 100%;
height: 100vh;
}
.container {
width: 100%;
height: 100%;
display: flex;
justify-content: center;
align-items: center;
transform: scale(0.5);
}
.wrap {
box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .5);
width: 1280px;
height: 854px;
font-size: 0;
line-height: 0;
position: relative;
}
.image {
cursor: pointer;
}
.abs-wrap {
height: 100%;
width: 100%;
z-index: 10;
}
.abs-wrap:hover>.abs:nth-child(2) {
transform: matrix(0.8, -0.2, 0, 1, -1, 0);
}
.abs-wrap:hover>.abs:nth-child(3) {
transform: matrix(0.8, 0.2, 0, 1, -53, -50);
}
.abs-wrap:hover>.abs:nth-child(4) {
transform: matrix(0.8, -0.2, 0, 1, -105, 0);
}
.abs-wrap:hover>.abs:nth-child(5) {
transform: matrix(0.8, 0.2, 0, 1, -157, -50);
}
.abs {
transform-style: preserve-3d;
transform-origin: left center;
transition: .4s ease-in-out;
width: 20%;
height: 100%;
display: inline-block;
background-size: 100%;
background: url('https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1600577868615&di=d2979a54604ecb409e3329527d0220fa&imgtype=0&src=http%3A%2F%2Ft9.baidu.com%2Fit%2Fu%3D29311073%2C358824429%26fm%3D79%26app%3D86%26f%3DJPEG%3Fw%3D1280%26h%3D854');
}
.abs:nth-child(1) {
background-position: 0% 0%;
}
.abs:nth-child(2) {
background-position: 25% 0%;
}
.abs:nth-child(3) {
background-position: 50% 0%;
}
.abs:nth-child(4) {
background-position: 75% 0%;
}
.abs:nth-child(5) {
background-position: 100% 0%;
}
</style>
</head>
<body>
<div class="container">
<div class="wrap">
<ul class="abs-wrap">
<li class="abs"></li>
<li class="abs"></li>
<li class="abs"></li>
<li class="abs"></li>
<li class="abs"></li>
</ul>
</div>
</div>
</body>
</html>
