问如何创建警报通知迅速iOS？

EN

func onTest() {
      
        let content = UNMutableNotificationContent()
        content.title = "Weekly Staff Meeting"
        content.body = "Every Tuesday at 2pm"
        // Configure the recurring date.
        var dateComponents = DateComponents()
        dateComponents.calendar = Calendar.current

        dateComponents.hour = 16    // 14:00 hours
        dateComponents.minute = 11
           
        // Create the trigger as a repeating event.
        let trigger = UNCalendarNotificationTrigger(
                 dateMatching: dateComponents, repeats: true)
        
        // Create the request
        let uuidString = UUID().uuidString
        let request = UNNotificationRequest(identifier: uuidString,
                    content: content, trigger: trigger)

        // Schedule the request with the system.
        let notificationCenter = UNUserNotificationCenter.current()
        notificationCenter.add(request) { (error) in
           if error != nil {
              // Handle any errors.
           }
        }
    }