创建menuBar

[Bindable]public var menuBarCollection:XMLListCollection;private var menuBarXml:XMLList;    private function init():void{flexutil.getItems();}protected function flexutil_resultHandler(event:ResultEvent):void{var xmlString :String = event.result as String;//返回xml字符串var xml :XML = new XML(xmlString);//转成xmlvar xmlList :XMLList = xml.children() as XMLList;menuBarCollection = new XMLListCollection(xmlList);}