在用户选择的swift 3重复间隔中的本地通知

问题描述：

我想写一些代码，它将允许用户设置自定义本地通知来提醒他们一些任务。我正在使用用户通知框架。因此，基本上用户可以决定设置一个通知，它会提醒他每周购买一些肥皂，或每年制作生日祝福或每月检查一些东西（这些仅仅是示例）。在用户选择的swift 3重复间隔中的本地通知

到目前为止，我已经能够设置本地通知没有重复的间隔。

func scheduleNotif() { 
    let dateformatter = DateFormatter() 
    dateformatter.dateStyle = DateFormatter.Style.medium 
    dateformatter.timeStyle = DateFormatter.Style.short 
    let dateFromString = dateformatter.date(from: selectDateTextField.text!) 
    let fireDateOfNotification: Date = dateFromString! 

    //if notif are allowed 
    let content = UNMutableNotificationContent() 
    content.title = notifTitleTextField.text! 
    content.body = notifNoteTextView.text 
    content.sound = UNNotificationSound.default() 
    content.badge = UIApplication.shared.applicationIconBadgeNumber + 1 as NSNumber 

    let triggerDate = Calendar.current.dateComponents([.year,.month,.day,.hour,.minute,.second,], from: fireDateOfNotification) 
    let trigger = UNCalendarNotificationTrigger(dateMatching: triggerDate, 
               repeats: false) 
    //Schedule the Notification 
    let titleNospace = notifTitleTextField.text?.replacingOccurrences(of: " ", with: "") 
    let identifier = titleNospace 
    let request = UNNotificationRequest(identifier: identifier!, content: content, trigger: trigger) 
    self.center.add(request, withCompletionHandler: { (error) in 
     if let error = error { 
      print(error.localizedDescription) 
     } 
    }) 
}

日期从日期选择器中选取。现在来自另一个选择器，我希望用户选择重复间隔（无，每日，每周，每月，每年和特定日期）。我不知道我怎么能做到这一点。我是否需要使用if if语句？（它对我来说看起来不太正确。）有没有更好的方法来实现这个目标？谢谢！

答

对于我已将它解决了这样的时刻：

let dateformatter = DateFormatter() 
dateformatter.dateStyle = .medium 
dateformatter.timeStyle = .short 
let dateFromString = dateformatter.date(from: selectDateTextField.text!) 
let fireDateOfNotification: Date = dateFromString! 

var trigger: UNCalendarNotificationTrigger 
var triggerDate: DateComponents 
var repeatInterval = Bool() 

if repeatingInterval == "Hourly" { 
    triggerDate = Calendar.current.dateComponents([.minute], from: fireDateOfNotification) 
    repeatInterval = true 
} else if repeatingInterval == "Daily" { 
    triggerDate = Calendar.current.dateComponents([.hour, .minute], from: fireDateOfNotification) 
    repeatInterval = true 
} else if repeatingInterval == "Weekly" { 
    triggerDate = Calendar.current.dateComponents([.weekday, .hour, .minute], from: fireDateOfNotification) 
    repeatInterval = true 
} else if repeatingInterval == "Monthly" { 
    triggerDate = Calendar.current.dateComponents([.day, .hour, .minute], from: fireDateOfNotification) 
    repeatInterval = true 
} else if repeatingInterval == "Yearly" { 
    triggerDate = Calendar.current.dateComponents([.month, .day, .hour, .minute], from: fireDateOfNotification) 
    repeatInterval = true 
} else { 
    triggerDate = Calendar.current.dateComponents([.year,.month,.day,.hour,.minute,.second,], from: fireDateOfNotification) 
    repeatInterval = false 
} 

trigger = UNCalendarNotificationTrigger(dateMatching: triggerDate, repeats: repeatInterval) 

//Schedule the Notification 
......

还没有找到又一个的方式以安排不同的时间间隔（如每隔两周，每隔一天，每半年等）。我仍会研究它。 :)

在用户选择的swift 3重复间隔中的本地通知

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