SWIFT 示例

Created: November-22, 2018
navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.white, NSFontAttributeName:UIFont(name: "HelveticaNeue-CondensedBold", size: 17)!,]
navigationController?.navigationBar.tintColor = .white
navigationController?.navigationBar.barTintColor = .red
navigationController?.navigationBar.isTranslucent = false
navigationController?.navigationBar.barStyle = .black