左侧固定右侧自适应
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>左侧固定右侧自适应</title>
</head>
<style>
/*方法1*/
/* 1、将左侧div浮动，右侧div设置margin-left */
.outer {
overflow: hidden;
border: 1px solid red;
}
.sidebar {
float: left;
width: 200px;
height: 150px;
background: #BCE8F1;
}
.content {
margin-left: 200px;
height: 100px;
background: #F0AD4E;
}
/*方法2*/
/* 2、固定区采用绝对定位，自适应区设置margin */
.outer2 {
position: relative;
height: 150px;
border: 1px solid red;
}
.sidebar2 {
position: absolute;
left: 0;
top: 0;
width: 200px;
height: 100%;
background: #BCE8F1;
}
.content2 {
margin-left: 200px;
height: 100px;
background: #F0AD4E;
}
/*方法3*/
/* table布局 */
.outer3 {
display: table;
width: 100%;
border: 1px solid red;
}
.sidebar3 {
display: table-cell;
width: 200px;
height: 150px;
background: #BCE8F1;
}
.content3 {
display: table-cell;
height: 100px;
background: #F0AD4E;
}
/*方法4*/
/* 双float + calc()计算属性 */
.outer4 {
overflow: hidden;
border: 1px solid red;
}
.sidebar4 {
float: left;
width: 200px;
height: 150px;
background: #BCE8F1;
}
.content4 {
float: left;
width: calc(100% - 200px);
height: 100px;
background: #F0AD4E;
}
/*方法5*/
/* float + BFC方法 */
.outer6 {
overflow: auto;
border: 1px solid red;
}
.sidebar6 {
float: left;
width: 200px;
height: 150px;
background: #BCE8F1;
}
.content6 {
overflow: auto;
height: 100px;
background: #F0AD4E;
}
/*方法6*/
/* flex */
.outer7 {
display: flex;
border: 1px solid red;
}
.sidebar7 {
flex: 0 0 200px;
/* width: 200px; */
height: 150px;
background: #BCE8F1;
}
.content7 {
flex: 1;
height: 100px;
background: #F0AD4E;
}
</style>
<body>
<div class="outer6">
<div class="sidebar6">固定宽度区(sideBar)</div>
<div class="content6">自适应区(content)</div>
</div>
<div class="footer">footer</div>
</body>
</html>
三栏布局左右固定宽度中间自适应
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>三栏布局左右固定宽度中间自适应</title>
<style>
*{
margin: 0;
padding: 0;
}
.layout article div{
min-height: 100px;
}
</style>
</head>
<body>
<section class="layout layout1">
<style>
.layout1 .left{
float: left;
width: 300px;
background-color:red;
}
.layout1 .right{
float: right;
width: 300px;
background-color:blue;
}
.layout1 .center{
background-color: yellow;
}
</style>
<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、这是三栏布局中间部分
1、这是三栏布局中间部分
<br>缺点：需要清除浮动
<br>优点：兼容性好
</div>
</article>
</section>
<section class="layout layout2">
<style>
.layout2 .left-center-right>div{
margin-top: 20px;
position: absolute;
}
.layout2 .left{
left: 0;
width: 300px;
background-color: red;
}
.layout2 .center{
left: 300px;
right: 300px;
background-color: yellow;
}
.layout2 .right{
right: 0;
width: 300px;
background-color: 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、这是三栏布局中间部分
1、这是三栏布局中间部分
<br>缺点：脱离文档流
<br>优点：快捷
</div>
<div class="right"></div>
</article>
</section>
<section class="layout layout3">
<style>
.layout3 .left-center-right{
display: flex;
margin-top: 200px;
}
.layout3 .left{
width: 300px;
background-color: red;
}
.layout3 .center{
flex:1;
background-color: yellow;
}
.layout3 .right{
width: 300px;
background-color: blue;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="center">
<h2>flexbox解决方案</h2>
1、这是三栏布局中间部分
1、这是三栏布局中间部分
<br>完美
</div>
<div class="right"></div>
</article>
</section>
<section class="layout layout4">
<style>
.layout4 .left-center-right{
width: 100%;
display: table;
height: 100px;
margin-top: 50px;
}
.layout4 .left-center-right>div{
display: table-cell;
}
.layout4 .left{
width: 300px;
background-color: red;
}
.layout4 .center{
background-color: yellow;
}
.layout4 .right{
width: 300px;
background-color: blue;
}
</style>
<article class="left-center-right">
<div class="left"></div>
<div class="center">
<h2>表格布局解决方案</h2>
1、这是三栏布局中间部分
1、这是三栏布局中间部分
<br>兼容性好
<br>缺点：高度跟着变
</div>
<div class="right"></div>
</article>
</section>
去掉高度已知哪个不适用：
flex和table能用，会自动撑开
</body>
</html>