<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>TreeView</title>
<link rel="stylesheet" href="TreeView.css" type="text/css">
<script type="text/javascript" src="TreeView.js"></script>
</head>
<body>
<div class="tree">
<ul><a href="javascript:" class="dir shrink">RootDir</a>
<li>
<ul><a href="javascript:" class="dir shrink">Dir1</a>
<li>
<ul><a href="javascript:" class="dir shrink">Dir2</a>
<li><a href="javascript:" class="file">File21</a>
</li>
<li><a href="javascript:" class="file">File22</a>
</li>
</ul>
</li>
<li><a href="javascript:" class="file">File11</a></li>
<li><a href="javascript:" class="file">File12</a></li>
</ul>
</li>
<li><a href="javascript:" class="file">File1</a></li>
<li><a href="javascript:" class="file">File2</a></li>
<li><a href="javascript:" class="file">File3</a></li>
<li><a href="javascript:" class="file">File4</a></li>
</ul>
</div>
</body>
</html>