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three-column.html
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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>
html * {
padding: 0;
margin: 0;
}
.layout {
margin-top: 10px;
}
.layout article div {
min-height: 100px;
}
</style>
</head>
<body>
<!-- 方法一 通过浮动，当center块的内容太长，就会使得center部分溢出，所以在center下加了overflow：hidden -->
<section class="layout float">
<style>
.layout.float .left {
width: 300px;
float: left;
background: yellow;
}
.layout.float .right {
width: 300px;
float: right;
background: blue;
}
.layout.float .center {
background: red;
overflow: hidden;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="right"></div>
<div class="center">
<h2>我的float布局解决方案哈哈哈啊哈哈哈哈哈</h2>
</div>
</article>
</section>
<!-- 第二种方式 左，中，右，设置绝对定位，左边left,0，右边right:0, 中间 left right, 等于左右的宽 -->
<section class="layout absoluted">
<style>
.layout.absoluted .left-center-right>div {
position: absolute; /* 相对的是 html */
}
.layout.absoluted .left {
left: 0px;
width: 300px;
background: yellow;
}
.layout.absoluted .center {
left: 300px;
right: 300px;
background: red;
}
.layout.absoluted .right {
right: 0px;
width: 300px;
background: blue;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="center">
<h2>我是absoluted布局解决方案</h2>
</div>
<div class="right"></div>
</article>
</section>
<!-- 第三种方式：通过 display: flex，center 部分flex-grow 占据剩余部分 -->
<section class="layout flexb">
<style>
.layout.flexb {
margin-top: 120px;
}
.layout.flexb .left-center-right {
display: flex;
}
.layout.flexb .left {
width: 300px;
background: yellow;
}
.layout.flexb .center {
flex-grow: 1;
background: red;
}
.layout.flexb .right {
width: 300px;
background: blue;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="center">
<h2>我是flex解决方案</h2>
</div>
<div class="right"></div>
</article>
</section>
<!-- 第四种方式： 左，中，右 table-cell 父级 table -->
<section class="layout table">
<style>
.layout.table .left-center-right {
display: table;
width: 100%;
height: 100px;
}
.layout.table .left-center-right>div {
display: table-cell;
}
.layout.table .left {
width: 300px;
background: yellow;
}
.layout.table .center {
background: red;
}
.layout.table .right {
width: 300px;
background: blue;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="center">
<h2>我是Table解决方案</h2>
</div>
<div class="right"></div>
</article>
</section>
<!--第五种 grid -->
<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: yellow;
}
.layout.grid .center {
background: red;
}
.layout.grid .right {
background: blue;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="center">
<h2>我是grid解决方案</h2>
</div>
<div class="right"></div>
</article>
</section>
</body>
</html>