tree.js
[url=#]$(ulname).append(temp);
if (org[i].ChildUnits != null)
{
temp.append("<ul></ul>");
var content = temp.find("ul");
drawtree(org[i].ChildUnits, count + 1, PreLine,content );
}
}
}
tree.css
li
{
vertical-align: middle;
font-size: 16px;
display: block;line-height: 22px;list-style-type: none;height: 22px;padding: 0px; margin:0px;
}
ul a
{
height:22px;
line-height:22px;
color:#123231;
text-decoration:none;
}
ul
{
list-style-type:none;
padding:0px;
margin:0px;
}
img
{
vertical-align:middle;
cursor:pointer;
}
*
{
padding:0px;
margin:0px;
}
test.htm
[url=tree.css]<script src="../js/jquery-1.4.4.min.js" type="text/javascript"></script>
<script src="tree.js" type="text/javascript"></script>
</head>
<body>
<ul id="nodeTree">
</ul>
</body>
</html>
测试数据格式（json）
[{"unit_id":1,"unit_name":"一级","father_unit_id":0,"ChildUnits":[{"unit_id":2,"unit_name":"二级","father_unit_id":1,"ChildUnits":[{"unit_id":3,"unit_name":"三级1","father_unit_id":2,"ChildUnits":[{"unit_id":6,"unit_name":"四级1","father_unit_id":3,"ChildUnits":null},{"unit_id":7,"unit_name":"四级2","father_unit_id":3,"ChildUnits":null}]},{"unit_id":4,"unit_name":"三级2","father_unit_id":2,"ChildUnits":[{"unit_id":8,"unit_name":"四级3","father_unit_id":4,"ChildUnits":null},{"unit_id":9,"unit_name":"四级4","father_unit_id":4,"ChildUnits":null}]},{"unit_id":5,"unit_name":"三级3","father_unit_id":2,"ChildUnits":[{"unit_id":10,"unit_name":"四级5","father_unit_id":5,"ChildUnits":null},{"unit_id":11,"unit_name":"四级6","father_unit_id":5,"ChildUnits":null}]}]},{"unit_id":12,"unit_name":"二级2","father_unit_id":1,"ChildUnits":null}]}]
本人水平有限，这么个东东想了好几天才弄出来个半成品，还有一些问题没有解决，先放上来存着备忘，也望高手指点一二。
思路：
使用嵌套<ul>标签实现，每一级用一个<ul>，有下级节点的用<li>嵌套<ul>，递归实现。刚开始全部都用<li>做成了，可发现要实现隐显实在是太麻烦。
问题：
1、在IE下显示连线有断续，CSS不熟，没搞定，我自己感觉还凑合，就懒得再搞了，呵呵。
2、隐显时前置图片要变换，还没实现，不过我感觉问题不大。
后台代码就不放了，需要的请留言，其实也很简单，就是节点的递归排序麻烦点。
显示效果：
[img]http://files.jb51.net/upload/201101/20110111015522926.jpg[/img]
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