質問編集履歴
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ソースコード更新
test
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test
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@@ -184,4 +184,164 @@
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### 最新のソースコード
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```swift
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import UIKit
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class ViewController: UIViewController {
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201
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203
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@IBOutlet weak var ninzu: UITextField!
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@IBOutlet weak var kingaku: UITextField!
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@IBOutlet weak var kekka: UILabel!
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override func viewDidLoad() {
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-
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super.viewDidLoad()
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// Do any additional setup after loading the view, typically from a nib.
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self.ninzu.keyboardType = UIKeyboardType.numberPad
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self.kingaku.keyboardType = UIKeyboardType.numberPad
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}
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override func didReceiveMemoryWarning() {
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super.didReceiveMemoryWarning()
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// Dispose of any resources that can be recreated.
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}
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@IBAction func keisan(_ sender: UIButton) {
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guard let kingaku = kingaku.text, let ninzu = ninzu.text else { return }
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if kingaku.isEmpty || ninzu.isEmpty {
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//UIAlertControllerインスタンスの作成
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let alertController = UIAlertController(title: "エラー", message: "合計金額又は、人数が未入力です。", preferredStyle: .alert)
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//追加するアクションの設定
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let ryoukaiAction = UIAlertAction(title: "了解", style: .default, handler: nil)
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//設定したアラートアクションをUIAlertControllerに追加する
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alertController.addAction(ryoukaiAction)
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//アラートを表示
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present(alertController, animated: true, completion: nil)
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} else {
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guard let kingakuInt = Int(kingaku), let ninzuInt = Int(ninzu) else{
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// Int型に変更できない文字が入力された場合
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return
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}
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guard kingakuInt > 100, ninzuInt > 1 else{
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// 金額、人数に0以下が入力された場合
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let alertController = UIAlertController(title: "エラー", message: "数字が無効です", preferredStyle: .alert)
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//追加するアクションの設定
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let ryoukaiAction = UIAlertAction(title: "了解", style: .default, handler: nil)
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//設定したアラートアクションをUIAlertControllerに追加する
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alertController.addAction(ryoukaiAction)
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//アラートを表示
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present(alertController, animated: true, completion: nil)
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return
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}
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let intKekka = kingakuInt / ninzuInt
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var result = 0
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if kingakuInt % ninzuInt == 0 {
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result = intKekka
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} else {
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// 100単位で切り上げ
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result = Int(ceil(Double(intKekka) / 100) * 100)
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}
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print("(result)円")
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}
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}
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@IBAction func reset(_ sender: UIButton) {
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}
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ninzu.text = ""
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kingaku.text = ""
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}
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347
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```
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