圣杯布局与双飞翼布局
- 圣杯布局和双飞翼布局都是为了实现一个两侧宽度固定,中间宽度自适应的三栏布局。(中间先加载渲染)
圣杯布局-Example
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="referrer" content="origin" />
<meta property="og:description" content="圣杯布局" />
<meta http-equiv="Cache-Control" content="no-transform" />
<meta http-equiv="Cache-Control" content="no-siteapp" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>圣杯布局</title>
</head>
<style type="text/css">
* {
padding: 0;
margin: 0;
}
html,
body {
padding: 0;
margin: 0;
}
body {
min-width: 550px;
}
* {
margin: 0;
padding: 0;
}
.header,
.footer {
background: gray;
width: 100%;
}
.footer {
clear: both;
}
.main {
height: 200px;
padding: 0 150px 0 200px;
background: greenyellow;
*zoom: 1;
}
.left,
.center,
.right {
float: left;
}
.center {
width: 100%;
height: 200px;
background: red;
}
.left {
width: 200px;
height: 200px;
background: yellow;
margin-left: -100%;
position: relative;
left: -200px;
}
.right {
width: 150px;
height: 200px;
background: gainsboro;
margin-left: -150px;
position: relative;
left: 150px;
}
</style>
<body>
<div class="header">
头部
</div>
<div class="main">
<div class="center">中间中间中间中间中间中间中间后</div>
<div class="left">左边</div>
<div class="right">右边</div>
</div>
<div class="footer">
底部
</div>
</body>
</html>
双飞翼布局-Example
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="referrer" content="origin" />
<meta property="og:description" content="双飞翼布局" />
<meta http-equiv="Cache-Control" content="no-transform" />
<meta http-equiv="Cache-Control" content="no-siteapp" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>双飞翼布局</title>
</head>
<style type="text/css">
* {
margin: 0;
padding: 0;
}
.main>div {
float: left;
}
.left {
width: 200px;
background: red;
margin-left: -100%;
}
.right {
width: 200px;
background: blue;
margin-left: -200px;
}
.middle {
width: 100%;
background: yellow;
}
.content {
margin-left: 200px;
margin-right: 200px;
}
</style>
<body>
<div class="main">
<div class="middle">
<div class="content">
中间
</div>
</div>
<div class="left">
左边
</div>
<div class="right">
右边
</div>
</div>
</body>
</html>
优点
- 兼容性好,兼容若有主流浏览器,包括万恶的IE6
- 可以实现主要内容的优先加载
额外知识点
- 其实三列布局的方式还有很多 ,但也有各自的缺点
- 1.如果左右两列用position: absolute定位布局做外层设计需要有个包含块设置(否则是相对浏览器可视区域)这样会层级,页面控制相对麻烦
- 2.用浮动布局的话, 中间层要做到先加载实现不了
- 3.flex布局低版本浏览器有些还不支持
Thinking in JackDan