共计 2197 个字符，预计需要花费 6 分钟才能阅读完成。
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，两头宽度自适应的三栏布局。(两头先加载渲染)
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"> 两头两头两头两头两头两头两头后 </div>
<div class="left"> 右边 </div>
<div class="right"> 左边 </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">
两头
</div>
</div>
<div class="left">
右边
</div>
<div class="right">
左边
</div>
</div>
</body>
</html>长处
-
- 兼容性好，兼容若有支流浏览器，包含万恶的 IE6
-
- 能够实现次要内容的优先加载
额定知识点
- 其实三列布局的形式还有很多，但也有各自的毛病
- 1. 如果左右两列用 position: absolute 定位布局做外层设计须要有个蕴含块设置（否则是绝对浏览器可视区域）这样会层级，页面管制绝对麻烦
- 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反对
Thinking in JackDan
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