假设高度已知，请写出三栏布局，其中左栏、右栏各为300px，中间自适应的五种方法
HTML CSS 页面布局
题目：假设高度已知，请写出三栏布局，其中左栏、右栏各为300px，中间自适应
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Layout</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style media="screen">
html * {
padding: 0;
margin: 0;
}
.layout {
margin-top: 20px;
}
.layout article div {
min-height: 100px;
}
</style>
</head>
<body>
<section class="layout float">
<style media="screen">
.layout.float .left {
float: left;
width: 300px;
background: red;
}
.layout.float .right {
float: right;
width: 300px;
background: blue;
}
.layout.float .center {
background: yellow;
}
</style>
<!-- 浮动解决方案 -->
<article class="left-right-center">
<div class="left"></div>
<div class="right"></div>
<div class="center">
<h1>浮动解决方案</h1>
1.这是三栏布局的中间部分 2.这是三栏布局的中间部分
</div>
</article>
</section>
<!-- 绝对定位解决方案 -->
<section class="layout absolute">
<style>
.layout.absolute .left-center-right>div {
position: absolute;
}
.layout.absolute .left {
left: 0;
width: 300px;
background: red;
}
.layout.absolute .center {
left: 300px;
right: 300px;
background: yellow;
}
.layout.absolute .right {
right: 0px;
width: 300px;
background: blue;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="center">
<h2>绝对定位解决方案</h2>
1.这是三栏布局绝对定位中间部分 2.这是三栏布局绝对定位中间部分
</div>
<div class="right"></div>
</article>
</section>
<!-- flexbox解决方案 -->
<section class="layout flexbox">
<style>
.layout.flexbox {
margin-top: 140px;
}
.layout.flexbox .left-center-right {
display: flex;
}
.layout.flexbox .left {
width: 300px;
background: red;
}
.layout.flexbox .center {
/* flex: 1;占满剩余空间 */
background: yellow;
}
.layout.flexbox .right {
width: 300px;
background: blue;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="center">
<h2>flexbox解决方案</h2>
1.这是三栏布局flex中间部分 2.这是三栏布局flex中间部分
</div>
<div class="right"></div>
</article>
</section>
<!-- 表格布局解决方案 -->
<section class="layout table">
<style>
.layout.table .left-center-right {
width: 100%;
display: table;
height: 100px;
}
.layout.table .left-center-right>div {
display: table-cell;
}
.layout.table .left {
width: 300px;
background: red;
}
.layout.table .center {
background: yellow;
}
.layout.table .right {
width: 300px;
background: blue;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="center">
<h2>表格布局</h2>
1.这是三栏布局表格布局的中间部分 2.这是三栏布局表格布局的中间部分
</div>
<div class="right"></div>
</article>
</section>
<!-- 网格布局 -->
<section class="layout grid">
<style>
.layout.grid .left-center-right {
display: grid;
width: 100%;
grid-template-rows: 100px;
grid-template-columns: 300px auto 300px;
}
.layout.grid .left {
background: red;
}
.layout.grid .center {
background: yellow;
}
.layout.grid .right {
background: blue;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="center">
<h2>网格布局解决方案</h2>
1.这是三栏布局网格布局的中间部分 2.这是三栏布局网格布局的中间部分
</div>
<div class="right"></div>
</article>
</section>
</body>
</html>