CSS 實現 圖片滑鼠懸停摺疊效果

2020-09-22 12:00:56

CSS 實現 圖片滑鼠懸停摺疊效果

1. 實現要點

  • 摺疊是由多個塊級元素來完成的;
  • 圖片是以背景圖片的方式呈現出來的;
  • 給每個塊級元素設定同一張背景圖片,通過background-position來控制顯示的區域(類似於雪碧圖);
  • 通過ransform屬性來實現摺疊效果;
  • 整個包裹div的大小就是圖片的原大小,如果更改了尺寸,需要調整background-size等屬性調整背景圖片大小

2. 效果展示圖片摺疊效果展示

3. 原始碼

<!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%;
      /* 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%;
    }
  </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>