<!DOCTYPE html>
<html>
	<head>
		<title>折叠菜单</title>
		<style>
			body{
				background:grey;
				font-family:Microsoft Yahei;
				color:white;
			}
			.types a{
				text-decoration:none;
				color:white;
			}
			.types ul{
				display:none;
			}
			.files ul{
				display:none;
			}
		</style>
		<script src="js/jquery-1.8.2.min.js"></script>
		<script>
			$(document).ready(function(){
				var span=$(".files").find("span");
				var ul=$(".files").find("ul");
				span.bind("click",function(){
					ul.each(function(){
						$(this).css("display","none");
					});
					$(this).next().css("display","block");
				});
			});
		</script>
	</head>
	<body>
		<ul class="files">
			<li class="file">
				<span>文件2-1</span>
				<ul>
					<li class="document"><a href="#">文档2-1-1</a></li>
					<li class="document"><a href="#">文档2-1-2</a></li>
				</ul>
			</li>
			<li class="file">
				<span>文件2-2</span>
				<ul>
					<li class="document"><a href="#">菜单2-2-1</a></li>
					<li class="document"><a href="#">菜单2-2-2</a></li>
				</ul>
			</li>
			<li class="file">
				<span>文件2-3</span>
				<ul>
					<li class="document"><a href="#">菜单2-3-1</a></li>
					<li class="document"><a href="#">菜单2-3-2</a></li>
				</ul>
			</li>
		</ul>
	</body>
</html>

本文转载:CSDN博客