圣杯布局

常见面试题中关于圣杯布局,主要是它整合了浮动,清除浮动,定位还有伪等高布局的知识点,但是老是写了忘,

忘了写,所以利于复习还是把它记录一下,方便以后自己查阅.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>圣杯布局</title>
<!--
  1.两边固定 中间自适应
  2.当中列要完整显示
  3.当中列要优先加载
-->
  <style>
    *{
      margin: 0;
      padding: 0;
    }
    body{
      /* 2*left+right或者2*right+left */
      min-width: 600px;
    }
    #content {
      padding: 0 200px;
      overflow: hidden;
    }
    #header,#footer{
      height: 20px;
      text-align: center;
      border: 1px solid deeppink;
      background-color: gray;
    }
    #content .middle,
    #content .left,
    #content .right{
      padding-bottom: 10000px;
      margin-bottom: -10000px;
    }
    #content .middle{
      float: left;
      width: 100%;
      background-color: pink;
    }
    #content .left{
      position: relative;
      left: -200px;
      width: 200px;
      margin-left: -100%;
      float: left;
      background-color: yellow;
    }
    #content .right{
      position: relative;
      right: -200px;
      margin-left: -200px;
      float: left;
      width: 200px;
      background-color: orange;
    }
    .clearfix{
      *zoom: 1;
    }
    .clearfix:after{
      content: '';
      display: block;
      clear: both;
    }
  </style>
</head>
<body>
  <div id="header">header</div>
  <div id="content" class="clearfix">
    <div class="middle">
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
      <h4>middle</h4>
    </div>
    <div class="left">left</div>
    <div class="right">right</div>
  </div>
  <div id="footer">footer</div>
</body>
</html>
posted @ 2021-03-26 21:14  逆风的悦  阅读(65)  评论(0)    收藏  举报