IOS- 当导航栏的背景色为黑色时，自定义status上的颜色Xcode8.2

 func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
     // Override point for customization after application launch.
     
     UIApplication.shared.statusBarStyle = .lightContent
     
     return true
 }

E7628ACC-B21D-4DD5-BDC9-F02A4E68CBC0.png

OK ！！