CSS Sticky Footer实现

Sticky Footer(粘黏页脚)指的是在页面布局时,当页面的内容不足或等于一屏时,让页脚始终保持在页面的底部,如同粘在底部一样;当页面的内容超过一屏时,即页面发生滚动时,页脚跟随文档,仍然处在页面文档的底部。 简而言之,就是“页脚置底”。

动手实现

实现效果图

CSS2 实现代码

<!DOCTYPE html>
<html lang="en">
<head>
  <style>
    * {
      margin: 0;
      padding: 0;
      font-size: 100px;
    }
    .wrapper {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: #ccc;
      overflow-y: scroll;
    }
    .content {
      width: 100%;
      min-height: 100%;
    }
    .content-main {
      padding-bottom: 100px;
    }
    .footer {
      height: 100px;
      background-color: orange;
      margin-top: -100px;
    }
  </style>
</head>
<body>
  <!-- 全局容器 -->
  <div class="wrapper">
    <!-- 内容层 -->
    <div class="content">
      <div class="content-main">
        <p>this is some content</p>
        <p>this is some content</p>
        <p>this is some content</p>
        <p>this is some content</p>
        <p>this is some content</p>
        <p>this is some content</p>
        <!-- <p>this is some content</p>
        <p>this is some content</p>
        <p>this is some content</p>
        <p>this is some content</p>
        <p>this is some content</p>
        <p>this is some content</p>
        <p>this is some content</p> -->
      </div>
    </div>
    <!-- Sticky Footer -->
    <div class="footer"></div>
  </div>
</body>
</html>

Flex 实现代码

<!DOCTYPE html>
<html lang="en">
<head>
  <style>
    * {
      margin: 0;
      padding: 0;
      font-size: 100px;
    }
    .container {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    .content {
      flex: 1;
      background-color: #ccc;
    }
    .footer {
      height: 100px;
      background-color: orange;
    }
  </style>
</head>
<body>
  <!-- 全局容器 -->
  <div class="container">
    <!-- 内容层 -->
    <div class="content">
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <!-- <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p> -->
    </div>
    <!-- Sticky Footer -->
    <div class="footer"></div>
  </div>
</body>
</html>

Grid 实现代码

<!DOCTYPE html>
<html lang="en">
<head>
  <style>
    * {
      margin: 0;
      padding: 0;
      font-size: 100px;
    }
    .container {
      min-height: 100vh;
      display: grid;
      grid-template-rows: 1fr auto; /* auto 关键字表示由浏览器自己决定长度 */
    }
    .content {
      background-color: #ccc;
    }
    .footer {
      grid-row-start: 2;  /* 上边框所在的水平网格线 */
      grid-row-end: 3;  /* 下边框所在的水平网格线 */
      height: 100px;
      background-color: orange;
    }
  </style>
</head>
<body>
  <!-- 全局容器 -->
  <div class="container">
    <!-- 内容层 -->
    <div class="content">
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <!-- <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p>
      <p>this is some content</p> -->
    </div>
    <!-- Sticky Footer -->
    <div class="footer"></div>
  </div>
</body>
</html>
posted @ 2022-11-12 10:34  Better-HTQ  阅读(65)  评论(0)  编辑  收藏  举报