答案 0 :(得分:0)
为此,您应该使用UIPickerView
。并设置数据源和委托方法。这个很小example。
实施的一些关键点。
extension ViewController : UIPickerViewDataSource {
func pickerView(pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String! {
return "\(row)"
}
}
extension ViewController : UIPickerViewDelegate {
func numberOfComponentsInPickerView(pickerView: UIPickerView) -> Int {
return 1
}
func pickerView(pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
return 10
}
}