根据这个回答,苹果公司并不鼓励您所需的功能。这可能是为什么您无法找到任何示例的原因。
以下是一种可能的解决方案:
struct ContentView: View {
@State var selectedDate = Date()
static let formatter: DateFormatter = {
let formatter = DateFormatter()
formatter.setLocalizedDateFormatFromTemplate("yyMMddhhmm")
return formatter
}()
var body: some View {
VStack {
Text("Selected date: \(selectedDate, formatter: Self.formatter)")
Button("Show action sheet") {
self.showDatePickerAlert()
}
}
}
func showDatePickerAlert() {
let alertVC = UIAlertController(title: "\n\n\n\n\n\n\n\n\n", message: nil, preferredStyle: .actionSheet)
let datePicker: UIDatePicker = UIDatePicker()
alertVC.view.addSubview(datePicker)
let okAction = UIAlertAction(title: "OK", style: .default) { _ in
self.selectedDate = datePicker.date
}
alertVC.addAction(okAction)
let cancelAction = UIAlertAction(title: "Cancel", style: .cancel)
alertVC.addAction(cancelAction)
if let viewController = UIApplication.shared.windows.first?.rootViewController {
viewController.present(alertVC, animated: true, completion: nil)
}
}
}
这里使用了来自这个回答的"\n\n\n\n\n\n\n\n\n"
hack技巧。