你的UL的宽度要>=你最长那一行文字的宽度,就可以实现,比如下面代码:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "
http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<style>
</style>
</head>
<body>
<div style="width:400px;margin:0 auto">
<ul style="height:100px">
<li>飒飒孔得红卡所讲的贺卡圣诞卡</li>
<li>是是是是是是是是是</li>
<li>是是是是是是是是是</li>
<li>是是是是是是是是是</li>
<li>是是是是是是是是是</li>
</ul>
</div>
</body>
</html>