匿名Editable Tree
Click the node to begin edit, press enter key to stop edit or esc key to cancel edit.
示例：
代码：
<div class="easyui-panel" style="padding:5px">
<ul id="tt" class="easyui-tree" data-options="
url: 'examples/tree/tree_data1.json',
method: 'get',
animate: true,
onClick: function(node){
$(this).tree('beginEdit',node.target);
}
"></ul>
</div>