「 程序 • 技术 」🛸📓HTML&CSS笔记💡Tips
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更优雅的博客图片排版

Demo：

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>微信朋友圈图片九宫格排版自适应（改编版）</title>
  <style>
    img {
      object-fit: cover;
      width: 100%;
      //max-height: 200px;
    }
    .pictures-adaptive {
      display: flex;
      flex-wrap: wrap;
      background-color: "#f3f5f7";
      width: 66%;
    }
    .wrap {
      position: relative;
      overflow: hidden;
      margin-bottom: 2%;
      width: 100%;
    }
    .wrap:not(:nth-child(1):nth-last-child(1)) img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .wrap:nth-child(1):nth-last-child(2), /*  2张图片  */
    .wrap:nth-child(2):nth-last-child(1),
    .wrap:nth-child(1):nth-last-child(4), /*  4张图片  */
    .wrap:nth-child(2):nth-last-child(3),
    .wrap:nth-child(3):nth-last-child(2),
    .wrap:nth-child(4):nth-last-child(1)
    {
      width: 49%;
      padding-bottom: 49%;
    }
    .wrap:nth-child(1):nth-last-child(3), /*  3张图片  */
    .wrap:nth-child(2):nth-last-child(2),
    .wrap:nth-child(3):nth-last-child(1),
    .wrap:nth-child(n + 5),               /*  5张以上图片  */
    .wrap:nth-child(1):nth-last-child(n + 5),
    .wrap:nth-child(1):nth-last-child(n + 5) ~ .wrap
    {
      width: 32%;
      padding-bottom: 32%;
    }
    /* 每行的两张图片中间间隔2%的宽度 */
    .wrap:nth-child(2):nth-last-child(1),
    .wrap:nth-child(2):nth-last-child(3),
    .wrap:nth-child(4):nth-last-child(1),
    .wrap:nth-child(2):nth-last-child(2),
    .wrap:nth-child(3):nth-last-child(1),
    .wrap:nth-child(n + 5):not(:nth-child(3n + 1)),
    .wrap:nth-child(1):nth-last-child(n + 5) ~ .wrap:not(:nth-child(3n + 1))
    {
      margin-left: 2%;
    }
  </style>
</head>
<body>
  <div class="pictures-adaptive">
    <div class="wrap">
      <img src="/images/covers/cover_050620.jpg">
    </div>
    <div class="wrap">
      <img src="/images/covers/cover_050620.jpg">
    </div>
    <!-- More imgs -->
  </div>
</body>
</html>

Stylus 源文件：

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.article-photo-grid
    @media mq-mini
        width: 100%;
    display: flex
    flex-wrap: wrap
    width: 66%
.wrap
    position: relative
    overflow: hidden
    margin-bottom: 2%
    width: 100%
    /* 除只有1张外 */
    &:not(:nth-child(1):nth-last-child(1)) img, video
        position: absolute
        top: 0
        left: 0
        width: 100%
        height: 100%
        object-fit: cover
    /* 2张/4张图片 */
    &:nth-child(1):nth-last-child(2), // 2张
    &:nth-child(2):nth-last-child(1),
    &:nth-child(1):nth-last-child(4), // 4张
    &:nth-child(2):nth-last-child(3),
    &:nth-child(3):nth-last-child(2),
    &:nth-child(4):nth-last-child(1)
        width: 49%
        padding-bottom: 49%
    /* 3张/5张图片 */
    &:nth-child(1):nth-last-child(3), // 3张
    &:nth-child(2):nth-last-child(2),
    &:nth-child(3):nth-last-child(1),
    &:nth-child(n + 5),               // 5张及以上
    &:nth-child(1):nth-last-child(n + 5),
    &:nth-child(1):nth-last-child(n + 5) ~ &
        width: 32%
        padding-bottom: 32%
    /*    间隔    */
    &:nth-child(2):nth-last-child(1), // 2张
    &:nth-child(2):nth-last-child(3), // 4张
    &:nth-child(4):nth-last-child(1),
    &:nth-child(2):nth-last-child(2), // 3张
    &:nth-child(3):nth-last-child(1),
    &:nth-child(n + 5):not(:nth-child(3n + 1)), // 5张及以上
    &:nth-child(1):nth-last-child(n + 5) ~ &:not(:nth-child(3n + 1))
        margin-left: 2%

使用：

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<div class="article-photo-grid">
<div class="wrap"><img src="/images/covers/cover_050620.jpg"/></div>
</div><div class="article-photo-grid">
<div class="wrap"><img src="/images/covers/cover_050620.jpg"/></div>
<div class="wrap"><img src="/images/covers/cover_050620.jpg"/></div>
</div>

参考资料