UserInformationTableViewController.swift

//switch on
var counter = 0
for var i in notificationListData!.data {
    let center = CLLocationCoordinate2D(latitude:  i.data.lat, longitude: i.data.lon)
    let region = CLCircularRegion(center: center, radius: CLLocationDistance(i.data.radius), identifier: String(counter))
    region.notifyOnEntry = true
    region.notifyOnExit = false
    let trigger = UNLocationNotificationTrigger(region: region, repeats: false)

    let content = UNMutableNotificationContent()
    content.title = NSString.localizedUserNotificationString(forKey: "地理推播", arguments: nil)
    content.body = NSString.localizedUserNotificationString(forKey: i.data.content, arguments: nil)
    content.sound = UNNotificationSound.default()

    let request = UNNotificationRequest(identifier: String(counter), content: content, trigger: trigger)
    // Schedule the notification.
    let notificationCenter = UNUserNotificationCenter.current()
    notificationCenter.add(request)

    counter += 1