[]dialog 遮挡

private function onSkinLoadComplete(e:*=null):void

		{

			createDialog("111",100,100);

			createDialog("222",200,200);

			createDialog("333",300,300);

			createDialog("444",400,400);

			createDialog("555",500,500);

			Laya.stage.on(Event.CLICK,this,onClick);

		}

		

		private function onClick():void

		{

			alert(Dialog.manager.numChildren+"");//manager是DialogManager的实例，创建多少个dialog，manager下就有多少的子对象

			var dia:Dialog=Dialog.manager.getChildAt(2) as Dialog;//获取manager下的子对象，通过zOrder改变其层级

			dia.zOrder=2000;

		}