swift 和 OC 判断用户是否允许接收推送通知
    #pragma mark --------------- 判断用户是否允许接收通知    oc
- (BOOL)isUserNotificationEnable {
    BOOL isEnable = NO;
    if ([[UIDevice currentDevice].systemVersion floatValue] >= 8.0f) { // iOS版本 >=8.0 处理逻辑
        UIUserNotificationSettings *setting = [[UIApplication sharedApplication] currentUserNotificationSettings];
        isEnable = (UIUserNotificationTypeNone == setting.types) ? NO : YES;
    } else { // iOS版本 <8.0 处理逻辑
        UIRemoteNotificationType type = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
        isEnable = (UIRemoteNotificationTypeNone == type) ? NO : YES;
    }
    return isEnable;
}
 
 
#pragma mark --------------- 判断用户是否允许接收通知  swift
    func checkPushNotification(){
        if #available(iOS 10.0, *) {
            UNUserNotificationCenter.current().getNotificationSettings(){ (setttings) in
 
                switch setttings.authorizationStatus{
                case .authorized:
                    print("enabled notification setting启动")
                case .denied:
                    print("setting has been disabled禁用")
                case .notDetermined:
                    print("something vital went wrong here出了问题")
                case .provisional:
                    print("something vital went wrong here出了问题")
                @unknown default:
                    print("something vital went wrong here出了问题")
                }
            }
        } else {
 
            let isNotificationEnabled = UIApplication.shared.currentUserNotificationSettings?.types.contains(UIUserNotificationType.alert)
            if isNotificationEnabled == true{
                print("enabled notification setting启动通知设置")
            }else{
                print("setting has been disabled设置已禁用")
            }
        }
    }