我正在将一个swift项目转换为objective-c，但我遇到了一些麻烦，因为我不知道如何转换后续代码。请帮我。谢谢!publicenumUPCarouselFlowLayoutSpacingMode{casefixed(spacing:CGFloat)caseoverlap(visibleOffset:CGFloat)}和fileprivatevarcurrentPage:Int=0{didSet{letcharacter=self.items[self.currentPage]self.infoLabel.text=character.name.uppercased()self.