CSS3 【display: flex; 】与【flex-wrap: 换行模式;】的使用

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    * {
      margin: 0;
      padding: 0;
      list-style: none;
    }
    body {
      background-color: #eee;
      font-size: 22px;
    }
    h3 {
      margin: 10px;
      font-weight: normal;
    }
    section {
      width: 1000px;
      margin: 0 auto;
    }
    ul {
      background-color: #fff;
      border: 1px solid #ccc;
    }
    ul li {
      width: 200px;
      height: 200px;
      background-color: pink;
      margin: 10px;
    }
    section:nth-child(1) ul {
      display: flex;
      /* flex-wrap: nowrap; 默认就是不换行的 */
      /* flex-wrap: nowrap; */
    }
    section:nth-child(2) ul {
      display: flex;
      flex-wrap: wrap;
    }
  </style>
</head>
<body>
  <section>
    <h3>换行模式 flex-wrap: nowrap;</h3>
    <ul>
      <li>1</li>
      <li>2</li>
      <li>3</li>
      <li>4</li>
      <li>5</li>
      <li>6</li>
    </ul>
  </section>
  <section>
    <h3>换行模式 flex-wrap: wrap; 自动换行</h3>
    <ul>
      <li>1</li>
      <li>2</li>
      <li>3</li>
      <li>4</li>
      <li>5</li>
      <li>6</li>
    </ul>
  </section>
</body>
</html>
  • demo 效果: