as3 关闭加载流

/** Loader 取消加载**/
function closeQueueLoader():void
{
	if (cur_loader && cur_loader.contentLoaderInfo.bytesLoaded != cur_loader.contentLoaderInfo.bytesTotal)
	{
		trace("关闭流");
		cur_loader.close();
		cur_loader.unloadAndStop();
		cur_loader.contentLoaderInfo.removeEventListener(Event.COMPLETE, completeLoadXML);
		cur_loader.contentLoaderInfo.removeEventListener(IOErrorEvent.IO_ERROR, error);
	}
	cur_loader = null;
}

/** URLLoader 取消加载**/
function gc()
{
	if (urlLoader && urlLoader.bytesLoaded != urlLoader.bytesTotal)
	{
		trace("关闭流");
		urlLoader.close();
		urlLoader.removeEventListener(Event.COMPLETE, completeLoadXML);
		urlLoader.removeEventListener(IOErrorEvent.IO_ERROR, error);
	}
	urlLoader = null;
}