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トップに関する質問pickerの操作によって二つ先のlavelに打ち込んだ時のtextfieldに出てくる文字を変えたい。

編集履歴

質問編集履歴

3

見やすくしました。

2018/08/29 11:57

投稿

退会済みユーザー
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@@ -71,38 +71,9 @@
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  }
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  ```
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- ```thirdviewcotroller
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+
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- var Datalist:Int = 0
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- override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
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- let nextView = segue.destination as! ViewController
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- nextView.image = self.imageView.image
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- guard let ViewController = segue.destination as? ViewController else {
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- fatalError()
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- }
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- ViewController.image = self.imageView.image
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- ViewController.Datalist = self.Datalist
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- }
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- func goToViewController () {
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- self.performSegue(withIdentifier: "ViewController", sender: nil)
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- }
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- ```
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  ```viewcntoroller
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- var Datalist:Int = 2
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+
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- override func viewDidLoad() {
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- super.viewDidLoad()
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- print(Datalist)
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-
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- if Datalist == 2 {
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- self.view.backgroundColor = UIColor(patternImage: UIImage(named: "sakura.jpg")!)
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- }
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- else{self.view.backgroundColor = UIColor (patternImage: UIImage(named: "vacation")!)
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- }
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-
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-
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- // Do any additional setup after loading the view, typically from a nib.
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- yourlavel.text = ""
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- self.imageView.image = image
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- }
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  var image: UIImage?
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  var arigatou = "ありがとう"
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  var douitasimasite = "どういたしまして"

2

追加しました

2018/08/29 11:57

投稿

退会済みユーザー
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  yourlavel.text = ""
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  self.imageView.image = image
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  }
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+ var image: UIImage?
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+ var arigatou = "ありがとう"
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+ var douitasimasite = "どういたしまして"
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+ @IBAction func display(_ sender: Any)
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+ {
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+ self.yourlavel.text = self.textfield.text
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+
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+ if arigatou == self.textfield.text{
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+ yourlavel.text = String("どういたしまして")
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+ } else if douitasimasite == self.textfield.text {
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+ yourlavel.text = String("いえいえ")
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+ }
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  ```

1

コードを追加しました。

2018/08/29 09:23

投稿

退会済みユーザー
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1
  pickerの操作によって二つ先のlavelに打ち込んだ時のtextfieldに出てくる文字を変えたいのですがうまくいきません。施工した策としましては一つある画面遷移のコードにもう一つ画面遷移をさせてif文で文字を変化させようとしましたがエラーが発生しました。画面遷移に関しては全く理解してないのでどうすれば良いか教えていただきますようよろしくお願いします。
2
- ```second view controller
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- let agedataList = ["指定なし","10代","20代","30代","40代","50代","60代","70代","80代","90代"]
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- ```
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2
 
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- 年齢によって返答するのを変化させたいのです。
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+ ```secondviewcotroller
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+ import UIKit
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+ class secondViewController: UIViewController,UIPickerViewDelegate,UIPickerViewDataSource {
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+
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+ @IBOutlet weak var seibetupicker: UIPickerView!
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- 遷移先はこのようになっています。　返答の仕組みはこうなっています。
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+ @IBOutlet weak var agepicker: UIPickerView!
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- ```View controller
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+
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- var arigatou = "ありがとう"
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+ var selectedSeibetu: String?
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+
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+ override func viewDidLoad() {
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+ super.viewDidLoad()
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+ seibetupicker.delegate = self
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+ seibetupicker.dataSource = self
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+ agepicker.delegate = self
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+ agepicker.dataSource = self
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+
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- var konnitiha = "こんにちは"
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+ override func didReceiveMemoryWarning() {
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+ super.didReceiveMemoryWarning()
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+
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+ agepicker.numberOfRows(inComponent: 0)
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+ // Dispose of any resources that can be recreated.
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+ }
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+ func numberOfComponents(in pickerView: UIPickerView) -> Int {
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+ // 表示する列数
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+ return 1
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+ }
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+ func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
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+ switch pickerView {
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+ case agepicker:
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+ return agedataList.count
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+ case seibetupicker:
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- if arigatou == self.textfield.text{
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+ return seibetudataList.count
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+ default:
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- yourlavel.text = String("どういたしまして")
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+ fatalError()
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  }
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+ }
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+ func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
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+ switch pickerView {
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+ case agepicker:
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+ return agedataList[row]
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+ case seibetupicker:
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- else if konnitiha == self.textfield.text {
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+ return seibetudataList[row]
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+ default:
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- yourlavel.text = String("こんにちは")
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+ fatalError()
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  }
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+ }
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+ func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
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+ if pickerView == seibetupicker {
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+ selectedSeibetu = seibetudataList[row]
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+ }
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+ }
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+
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+ override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
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+ if segue.identifier == "ThirdViewController" {
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+ guard let thirdVC = segue.destination as? ThirdViewController else {
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+ fatalError()
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+ }
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+ let seibetu = seibetupicker.selectedRow(inComponent:0)
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+ if (seibetu == 2){
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+ thirdVC.Datalist = 2
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+ }else{
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+ thirdVC.Datalist = 0
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+ }
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+
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+ }
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+ }
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+
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+ }
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+
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+ ```
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+ ```thirdviewcotroller
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+ var Datalist:Int = 0
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+ override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
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+ let nextView = segue.destination as! ViewController
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+ nextView.image = self.imageView.image
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+ guard let ViewController = segue.destination as? ViewController else {
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+ fatalError()
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+ }
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+ ViewController.image = self.imageView.image
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+ ViewController.Datalist = self.Datalist
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+ }
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+ func goToViewController () {
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+ self.performSegue(withIdentifier: "ViewController", sender: nil)
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+ }
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+ ```
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+ ```viewcntoroller
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+ var Datalist:Int = 2
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+ override func viewDidLoad() {
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+ super.viewDidLoad()
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+ print(Datalist)
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+
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+ if Datalist == 2 {
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+ self.view.backgroundColor = UIColor(patternImage: UIImage(named: "sakura.jpg")!)
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+ }
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+ else{self.view.backgroundColor = UIColor (patternImage: UIImage(named: "vacation")!)
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+ }
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+
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+
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+ // Do any additional setup after loading the view, typically from a nib.
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+ yourlavel.text = ""
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+ self.imageView.image = image
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+ }
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  ```