UILongPressGestureRecognizer被添加到我的imageView中，带有操作handleLongPressOnPhotos。最相关的代码如下:-(IBAction)handleLongPressOnPhotos:(UIImageView*)sender{self.imageWillBeSaved=sender;UIActionSheet*actionSheet=[[UIActionSheetalloc]initWithTitle:nildelegate:selfcancelButtonTitle:@"Cancel"destructiveButtonTitle:@"