let font = UIFont.systemFont(ofSize: 20, weight: .semibold) UIFontDescriptor.FeatureKey.typeIdentifier: kLowerCaseSmallCapsSelector]]
let attributes: [UIFontD
我已经将项目从斯威夫特3迁移到了斯威夫特4,并且找不到如何从UIFontDescriptor获取字体属性的信息。convenience init(myCoder aDecoder: NSCoder) { if let fontAttribute = fontDescriptor.fontAttributes[&qu