宽高自适应正方形 #235

Sunny-117 · 2022-11-04T09:05:52Z

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huccct · 2023-05-05T12:48:11Z

<!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>Document</title>
    <style>
      .container {
        display: flex;
      }
      .item {
        flex-basis: auto;
        flex-grow: 1;
        padding-bottom: 100%;
        background-color: #f1f1f1;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <div class="item"></div>
    </div>
  </body>
</html>

z1the3 · 2023-05-09T14:34:21Z

<!-- 第一种方案,利用vw  -->
<style>
  .container{
    width: 50%;
    background: #ccc;
    height: 50vw;
  }
</style>

<body>
  <div class="container"></div>
</body>


<!-- 第二种方案,利用padding-top  -->
<style>
  .container {
    width: 50%;
    /* 该元素真实高度为0，我们看到的只是它往下偏移而露出的padding背景色 */
    /* padding-top后的百分比以父容器**宽度**为准 */
    padding-top: 50%;
    height: 0;

    top: 50%;
    left: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
    background-color: antiquewhite;
  }
</style>

<body>
  <div class="container">
  </div>
</body>

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宽高自适应正方形 #235

宽高自适应正方形 #235

Sunny-117 commented Nov 4, 2022

huccct commented May 5, 2023

z1the3 commented May 9, 2023

宽高自适应正方形 #235

宽高自适应正方形 #235

Comments

Sunny-117 commented Nov 4, 2022

huccct commented May 5, 2023

z1the3 commented May 9, 2023