<!DOCTYPE>
<html lang="en">
<style>
.one {
float: left;
height: 100px;
width: 300px;
background-color: blue;
}
.two {
overflow: auto;//重要或者overflow:hidden;
height: 200px;
background-color: red;
}
</style>
<head>
<meta charset="UTF-8">
<title>Document</title>
<link rel="stylesheet" href="test.css" type="text/css">
</head>
<body>
<div class="one"></div>
<div class="two">第1种方法</div>
</body>
<html lang="en">
<style>
.one {
float: left;
height: 100px;
width: 300px;
background-color: blue;
}
.two {
overflow: auto;//重要或者overflow:hidden;
height: 200px;
background-color: red;
}
</style>
<head>
<meta charset="UTF-8">
<title>Document</title>
<link rel="stylesheet" href="test.css" type="text/css">
</head>
<body>
<div class="one"></div>
<div class="two">第1种方法</div>
</body>
</html>