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面试题目
如何实现中间空白，左右布局？
三栏布局
浮动方式实现三栏布局
源码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>浮动方式实现三栏布局</title>
<style>
* {
height: 100%;
padding: 0;
margin: 0;
}
.left {
float: left;
height: 100%;
background: red;
}
.right {
float: right;
height: 100%;
background: green;
}
</style>
</head>
<body>
<div class="container">
<div class="left">左边</div>
<div class="right">右边</div>
</div>
</body>
</html>
效果
使用浮动方式实现三栏布局
绝对定位实现三栏布局
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>绝对定位方式实现三栏布局</title>
<style>
* {
height: 100%;
padding: 0;
margin: 0;
}
.left {
left: 0;
height: 100%;
background: red;
position: absolute;
}
.right {
right: 0;
height: 100%;
background: blue;
position: absolute;
}
</style>
</head>
<body>
<div class="container">
<div class="left">左边</div>
<div class="right">右边</div>
</div>
</body>
</html>
效果
使用绝对定位实现三栏布局
flex弹性盒子实现三栏布局
源码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>flex弹性盒子实现三栏布局</title>
<style>
* {
height: 100%;
padding: 0;
margin: 0;
}
.container {
display: flex;
justify-content: space-between;
}
.left {
height: 100%;
background: red;
}
.right {
height: 100%;
background: blue;
}
</style>
</head>
<body>
<div class="container">
<div class="left">左边</div>
<div class="right">右边</div>
</div>
</body>
</html>
效果
使用flex弹性盒子实现三栏布局
表格布局实现三栏布局
源码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>表格布局实现三栏布局</title>
<style>
* {
height: 100%;
width: 100%;
padding: 0;
margin: 0;
}
.container {
display: table;
}
.container > div {
display: table-cell;
}
.left {
width: 300px;
background: red;
}
.right {
width: 300px;
background: blue;
}
</style>
</head>
<body>
<div class="container">
<div class="left">左边</div>
<div class="center"></div>
<div class="right">右边</div>
</div>
</body>
</html>
效果
使用表格布局实现三栏布局
