目前我们正在像这样更改UITabBarItem中显示的图像:overridefuncviewDidLoad(){super.viewDidLoad()//registeradditionalNIBfilestableView.registerNib(UINib(nibName:"WeekDayTableViewCell",bundle:nil),forCellReuseIdentifier:"WeekDayCell")tabBarItem.title="Week".localizedtabBarItem.image=UIImage.fontAwesomeIconWithName(Fon