需用到宽度自适应,窗口自适应,使用calc()布局
上下布局 下(左右)
<!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>Document</title>
<style>
*{
margin: 0;
padding: 0;
}
html,body{
height: 100%;
}
.top{
height: 100px;
background-color: rgb(195, 169, 236);
}
.bot{
height: calc(100% - 100px);
background-color: rgb(202, 231, 168);
}
.lef{
width: 200px;
height: 100%;
float: left;
background-color: rgb(161, 161, 243);
}
.rig{
width: calc(100% - 200px);
height: 100%;
float: left;
background-color: rgb(238, 156, 197);
}
</style>
</head>
<body>
<div class="top">上</div>
<div class="bot">
<div class="lef">左</div>
<div class="rig">右</div>
</div>
</body>
</html>
上中下 中(左右)
<!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>Document</title>
<style>
*{
margin: 0;
padding: 0;
}
html,body{
height: 100%;
}
.top{
height: 100px;
background-color: rgb(233, 240, 145);
}
.bot{
height: 100px;
background-color: rgb(78, 78, 74);
}
.cen{
height: calc(100% - 200px);
background-color: rgb(202, 150, 150);
}
.lef{
width: 200px;
height: 100%;
float: left;
background-color: rgb(155, 155, 233);
}
.rig{
width: calc(100% - 200px);
height: 100%;
float: left;
background-color: rgb(233, 147, 190);
}
</style>
</head>
<body>
<div class="top">上</div>
<div class="cen">
<div class="lef">左</div>
<div class="rig">右</div>
</div>
<div class="bot">下</div>
</body>
</html>
上下布局 下(左中右)
<!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>Document</title>
<style>
*{
margin: 0;
padding: 0;
}
html,body{
height: 100%;
}
.top{
height: 100px;
background-color: rgb(233, 240, 145);
}
.bot{
height: calc(100% - 100px);
background-color: rgb(179, 236, 187);
}
.lef{
width: 200px;
height: 100%;
float: left;
background-color: rgb(155, 155, 233);
}
.cen{
width: calc(100% - 400px);
height: 100%;
float: left;
background-color: rgb(233, 155, 223);
}
.rig{
width: 200px;
height: 100%;
float: left;
background-color: rgb(243, 171, 171);
}
</style>
</head>
<body>
<div class="top">上</div>
<div class="bot">
<div class="lef">左</div>
<div class="cen">中</div>
<div class="rig">右</div>
</div>
</body>
</html>
上中下布局 中(左中右)
<!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>Document</title>
<style>
*{
margin: 0;
padding: 0;
}
html,body{
height: 100%;
}
.top{
height: 100px;
background-color: rgb(233, 240, 145);
}
.center{
height: calc(100% - 200px);
background-color: rgb(179, 236, 187);
}
.center .lef{
width: 200px;
height: 100%;
float: left;
background-color: rgb(155, 155, 233);
}
.center .cen{
width: calc(100% - 400px);
height: 100%;
float: left;
background-color: rgb(233, 155, 223);
}
.center .rig{
width: 200px;
height: 100%;
float: left;
background-color: rgb(243, 171, 171);
}
.bot{
height: 100px;
background-color: rgb(175, 204, 228);
}
</style>
</head>
<body>
<div class="top">上</div>
<div class="center">
<div class="lef">左</div>
<div class="cen">中</div>
<div class="rig">右</div>
</div>
<div class="bot">下</div>
</body>
</html>