Swift 从UIDatePicker警报获取所选日期
大家好,我正在尝试从UIDatePicker获取日期和时间 我的提货员收到警报了Swift 从UIDatePicker警报获取所选日期,swift,uidatepicker,Swift,Uidatepicker,大家好,我正在尝试从UIDatePicker获取日期和时间 我的提货员收到警报了 let myDatePicker: UIDatePicker = UIDatePicker() let loc = Locale(identifier: "Es_mx") //myDatePicker.timeZone = NSTimeZone.local myDatePicker.locale = loc let date = myDatePick
let myDatePicker: UIDatePicker = UIDatePicker()
let loc = Locale(identifier: "Es_mx")
//myDatePicker.timeZone = NSTimeZone.local
myDatePicker.locale = loc
let date = myDatePicker.date
let components = Calendar.current.dateComponents([.hour, .minute, .year, .day, .month], from: date)
let year = components.year!
let day = components.day!
let month = components.month!
let hour = components.hour!
let minute = components.minute!
myDatePicker.frame = CGRect(x: 0, y: 15, width: 270, height: 200)
let alertController = UIAlertController(title: "\n\n\n\n\n\n\n\n", message: nil, preferredStyle: UIAlertController.Style.alert)
alertController.view.addSubview(myDatePicker)
//let somethingAction = UIAlertAction(title: "Ok", style: UIAlertAction.Style.default, handler: nil)
let somethingAction = UIAlertAction(title: "Ok", style: UIAlertAction.Style.default) { (somethingAction: UIAlertAction!) in
print("dia: \(day), mes: \(month), año: \(year), hora: \(hour), minuto: \(minute)")
}
let cancelAction = UIAlertAction(title: "Cancel", style: UIAlertAction.Style.cancel, handler: nil)
alertController.addAction(somethingAction)
alertController.addAction(cancelAction)
present(alertController, animated: true, completion:{})
}
已经尝试了
let date = myDatePicker.date
let components = Calendar.current.dateComponents([.hour, .minute, .year, .day, .month], from: date)
let year = components.year!
let day = components.day!
let month = components.month!
let hour = components.hour!
let minute = components.minute!
因此,当用户按下“确定”按钮时,它会打印:
print("dia: \(day), mes: \(month), año: \(year), hora: \(hour), minuto: \(minute)")
打印显示当前日期、月份、年份、小时和分钟
我希望得到用户从UIDatePicker中选择的内容,您可以初始化一个datePicker并立即从中获取日期。这就是问题所在 如果要在按下“确定”按钮时从日期选择器获取日期,则必须在结束时执行此操作。将
let date=myDatePicker.date
行移动到闭包中,如下所示:
let somethingAction = UIAlertAction(title: "Ok", style: UIAlertAction.Style.default) { (somethingAction: UIAlertAction!) in
let date = self.myDatePicker.date
print("dia: \(day), mes: \(month), año: \(year), hora: \(hour), minuto: \(minute)")
}
我不明白你的问题。你期望的结果是什么?你得到的结果是什么?谢谢@Teo已经编辑了我的问题谢谢myDatePicker。addTarget(self,action:#selector(self.cambio(sender:)),for:.valueChanged)成功了