两列布局（左侧宽度固定，右侧自适应）
例如：
<!doctype html>
<html>
<head>
<title>左部宽度固定，右部自适应</title>
<meta charset="utf-8"/>
<style type="text/css">
*{
margin:0px;
padding:0px;
font-size:14px;
}
div{
height:600px;
}
.left{
width:300px;
background:red;
float:left;
}
body div.right{
background:green;
margin-left:300px;
}
</style>
<link rel="stylesheet" type="text/css" href=""/>
</head>
<body>
<div class="left">左部</div>
<div class="right">右部</div>
</body>
</html>
三列布局，（左右宽度固定，中间自适应）；
<!doctype html>
<html>
<head>
<title>左右宽度固定，中间自适应</title>
<meta charset="utf-8"/>
<style type="text/css">
*{
margin:0px;
padding:0px;
font-size:14px;
}
div{
height:700px;
}
.left{
width:300px;
background:red;
float:left;
}
.right{
width:400px;
background:yellow;
float:right;
}
.center{
background:blue;
margin:0 400px 0 300px;
}
</style>
</head>
<body>
<div class="left">左</div>
<div class="right">右</div>
<div class="center">中</div>
</body>
</html>
时间： 2024-08-06 16:03:09