ActionScript 3 最顶级的父装载机信息

Posted 2021-05-23

var topParent :DisplayObject;
var paramObj  :Object = getLoaderInfo(this).parameters;
for(var varName:String in paramObj) {
	trace("varName: " + varName + " Value: " + paramObj[varName]);
}

function getLoaderInfo(dispObj:DisplayObject):LoaderInfo {
	var root:DisplayObject = getRootDisplayObject(dispObj);
	if (root!=null) {
		return root.loaderInfo;
	}
	return null;
}

function getRootDisplayObject(dispObj:DisplayObject):DisplayObject {
	if (topParent == undefined) {
		if (dispObj.parent!=null) {
			return getRootDisplayObject(dispObj.parent);
		}
		else {
			topParent = dispObj;
			return topParent;
		}
	}
	else {
		return topParent;
	}
}