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

hover-folder

html,

body,

ul,

li {

margin: 0;

padding: 0

}

ul {

list-style: none;

display: block;

}

body {

width: 100%;

height: 100vh;

}

.container {

width: 100%;

height: 100%;

/* background-color: aqua; */

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%;

/* top: 0;

left: 0; */

/* position: absolute; */

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%;

/* background-color: rgba(0, 0, 0, .5); */

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%;

}

总结

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