質問編集履歴
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該当のソースコード
test
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File without changes
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test
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@@ -20,9 +20,77 @@
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```
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import UIKit
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class ViewController: UIViewController,UIPickerViewDelegate, UIPickerViewDataSource {
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@IBOutlet weak var mylabel: UILabel!
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@IBOutlet weak var mytextfeild: UITextField!
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@IBOutlet weak var picker: UIPickerView!
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let array = ["item1","item2","item3","item4"]
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override func viewDidLoad() {
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super.viewDidLoad()
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// Do any additional setup after loading the view.
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self.picker.delegate = self
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self.picker.dataSource = self
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mylabel.text = "hoge"
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}
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//pickerに列数を渡す
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func numberOfComponents(in pickerView: UIPickerView) -> Int {
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return 1 }
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//pickerに行数を返す
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func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
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return array.count
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}
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func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
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return array[row]
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}
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func pickerView(_pickerView: UIPickerView, didSelectRow row: Int, forComponent component: Int) {
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func pickerView(_pickerView: UIPickerView, didSelectRow row: Int, forComponent component: Int) {
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self.mylabel.text = String(array[row])
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}
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}
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```
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