CSS实现瀑布流的两种方式

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CSS实现瀑布流的两种方式

小知识,大挑战!本文正在参与“程序员必备小知识”创作活动。

瀑布流又称瀑布流式布局,是比较流行的一种网站页面布局方式。在手机端进行多图片展示时会经常用到。即多行等宽元素排列,后面的元素依次添加到其后,等宽不等高,根据图片原比例缩放直至宽度达到我们的要求,依次按照规则放入指定位置。

那么瀑布流式布局有哪些实现方式呢?

column 多行布局实现瀑布流

column 实现瀑布流主要依赖两个属性。

column-count 属性,是控制屏幕分为多少列。

column-gap 属性,是控制列与列之间的距离。

<!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>瀑布流布局-column</title>
  <style>
    .box {
          margin: 10px;
          column-count: 3;
          column-gap: 10px;
      }
      .item {
          margin-bottom: 10px;
      }
      .item img{
          width: 100%;
          height:100%;
      }
  </style>
</head>
<body>
  <div class="box">
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
  </div>
</body>
</html>
复制代码

展示效果如下

column.png

flex 弹性布局实现瀑布流

flex 实现瀑布流需要将最外层元素设置为 display: flex,使用弹性布局

flex-flow:column wrap 使其纵向排列并且换行换行

设置 height: 100vh 填充屏幕的高度,也可以设置为单位为 px 的高度,来容纳子元素。

每一列的宽度可用 calc 函数来设置,即 width: calc(100%/3 - 20px)。分成等宽的 3 列减掉左右两遍的 margin 距离。

<!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>瀑布流布局-flex</title>
  <style>
    .box {
        display: flex;  
        flex-flow: column wrap;
        height: 100vh;
      }
      .item {
        margin: 10px;
        width: calc(100%/3 - 20px);
      }
      .item img{
        width: 100%;
        height:100%;
      }
  </style>
</head>
<body>
  <div class="box">
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
    <div class="item">
      <img  src="./imgs/2.jpg" alt="2" />
    </div>
    <div class="item">
      <img  src="./imgs/3.jpg" alt="3" />
    </div>
    <div class="item">
      <img  src="./imgs/1.jpg" alt="1" />
    </div>
  </div>
</body>
</html>
复制代码

展示效果如下

flex.png

案例代码

瀑布流实现代码:

gitee.com/yunxii/css-…

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