<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>三栏布局</title>
<style media="screen">
html *{
padding: 0;
margin: 0;
}
.layout {
margin-bottom: 20px;
}
.layout article div{
min-height: 100px;
}
</style>
</head>
<body>
<!-- 需求： 实现一个三栏布局，左边200px，右边300px，中间自适应-->
<!-- 方式一：浮动布局 -->
<section class="layout float">
<style media="screen">
.layout.float .left{
float:left;
width:200px;
background: red;
}
.layout.float .center{
background: yellow;
}
.layout.float .right{
float:right;
width:300px;
background: blue;
}
</style>
<h1>三栏布局-浮动解决方案</h1>
<article class="left-right-center">
<div class="left"></div>
<div class="right"></div>
<div class="center"></div>
</article>
</section>
<!-- 方式二：绝对定位 -->
<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:0;
width: 300px;
background: blue;
}
</style>
<h1>三栏布局-绝对定位解决方案</h1>
<article class="left-center-right">
<div class="left"></div>
<div class="center"></div>
<div class="right"></div>
</article>
</section>
<!-- 方式三： flex布局 -->
<section class="layout flexbox">
<style>
.flexbox {
margin-top: 110px;
}
.flexbox .left-center-right{
display: flex;
}
.flexbox .left-center-right .left{
width: 200px;
background: red;
}
.flexbox .left-center-right .center {
flex: 1;
background: yellow;
}
.flexbox .left-center-right .right {
width: 300px;
background: blue;
}
</style>
<h1>三栏布局-弹性布局解决方案</h1>
<article class="left-center-right">
<div class="left"></div>
<div class="center"></div>
<div class="right"></div>
</article>
</section>
<!-- 方式四： table布局 -->
<section class="layout table">
<style>
.table .left-center-right{
width: 100%;
height: 100px;
display: table;
}
.table .left-center-right div{
display: table-cell;
}
.table .left {
width: 200px;
background: red;
}
.table .center {
background: yellow;
}
.table .right {
width: 300px;
background: blue;
}
</style>
<h1>三栏布局-表格布局解决方案</h1>
<article class="left-center-right">
<div class="left"></div>
<div class="center"></div>
<div class="right"></div>
</article>
</section>
<!-- 方式五：网格布局 -->
<section class="layout grid">
<style>
.grid .left-center-right{
width: 100%;
display: grid;
grid-template-rows: 100px;
grid-template-columns: 200px auto 300px;
}
.grid .left {
background:red;
}
.grid .center {
background: yellow;
}
.grid .right {
background: blue;
}
</style>
<h1>三栏布局-网格布局解决方案</h1>
<article class="left-center-right">
<div class="left"></div>
<div class="center"></div>
<div class="right"></div>
</article>
</section>
</body>
</html>
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