<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>填充</title>
<style type="text/css">
#box1{
width:100px;
height:200px;
padding:10px;
border:1px solid red;
}
</style>
</head>
<body>
<div id="box1">盒子盒子盒子盒子盒子111111111111111盒子盒子盒子盒子盒子盒子盒子盒子11111111</div>
</body>
</html>需要在box1中添加语句word-wrap:break-word;可对英文和数字进行自动换行控制