获取Jeasyui树层级

$.extend($.fn.tree.methods, {
    getLevel:function(jq,target){
        var l = $(target).parentsUntil("comboTreeMenu","ul");
        return l.length+1;
    }

 
});
 function selectParentMenu(node){
     $("#parentId").val(node.id);
    var t = $("#comboTreeMenu").combotree('tree');
    var node = t.tree('getSelected');
    var lv =  $().tree("getLevel",node.target);
    $("#level").textbox("setValue",lv);
}