最简单的Html js做出的tree menu
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Reorder TreePanel</title>
<head>
<script type="text/javascript">
<!--
function initNodes(){
var uls = document.getElementsByTagName("ul");
var i;
for(i = 0; i < uls.length; i++)
if(uls[i].id != "root")
uls[i].style.display = "none";
}
function clickNode(id){
var node = document.getElementById(id);
if(node.style.display == "none")
node.style.display = "block";
else
node.style.display = "none";
return false;
}
-->
</script>
</head>
</head>
<body onload="initNodes()">
Example of a tree menu
<ul id="root">
<li><a href="" onclick="return clickNode('r1n1')">Root 1</a>
<ul id="r1n1">
<li>Node 1
</li>
<li>Node 2
</li>
<li>Node 3
</li>
</ul>
</li>
<li><a href="" onclick="return clickNode('r2n1')">Root 2</a>
<ul id="r2n1">
<li><a href="" onclick="return clickNode('r2n1n1')">Node 1</a>
<ul id="r2n1n1">
<li>Node 1
</li>
<li>Node 2
</li>
<li>Node 3
</li>
<li><a href="#">Node 4</a>
</li>
<li>Node 5
</li>
<li>Node 6
</li>
<li>Node 7
</li>
<li>Node 8
</li>
<li>Node 9
</li>
</ul>
</li>
<li>Node 2
</li>
<li>Node 3
</li>
<li><a href="" onclick="return clickNode('r2n4n1')">Node 4</a>
<ul id="r2n4n1">
<li>Node 1
</li>
<li>Node 2
</li>
<li><a href="" onclick="return clickNode('r2n4n1n3')">Node 3</a>
<ul id="r2n4n1n3">
<li>Node 1
</li>
<li>Node 2
</li>
<li>Node 3
</li>
<li>Node 4
</li>
</ul>
</li>
</ul>
</li>
<li>Node 5
</li>
</ul>
</li>
</ul>
using style sheet and javascript.
</body>
</html>
