有可能的。要做到这一点，你需要实现 pickerView：viewForRow：forComponent：reusingView：方法在选择器的委托 - 创建 UILabel 并使用您想要的任何属性进行设置。

Yes, it is possible. To do that you need to implement pickerView:viewForRow:forComponent:reusingView: method in picker's delegate - create UILabel instance there and setup it with whatever attributes you want.