ios - 在第二个 View Controller 上加载、保存高分

Question

我正在尝试仅在 gameOverViewController 上加载和保存我的高分。我已经成功地将分数从 secondViewController 传输到 gameOverViewController。 gameOverViewController 就像一个普通的游戏结束屏幕，显示您的分数、高分并具有重试和主菜单按钮。我尝试将 highScoreLabel 设置为等于 scoreGameOverLabel，它运行了，但 highScore int 保持为 0 并且不等于 gameOverScore。我正在尝试:

1. 如果得分>高分，高分=得分

2. 如果score < high score, high score保持不变

   var addOne = 0
   class SecondViewController: UIViewController
   {
   
   @IBOutlet weak var score: UITextField!
   
   score.text = "\(addOne)"
   
   override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
   
   let gameOver = segue.destination as! GameOverViewController
   
   gameOver.gameOverText = score.text!
   gameOver.lastScore = addOne
   }
   

gameOverViewController

class GameOverViewController: UIViewController {


@IBAction func retryButton(_ sender: Any) {   
addOne = 0
  highScoreLabel.text = NSString(format: "%i", highScore) as String
} 

@IBAction func mainMenuButton(_ sender: Any) { 
addOne = 0
  highScoreLabel.text = NSString(format: "%i", highScore) as String
}        

var lastScore = 0
var highScore = UserDefaults.standard.integer(forKey: "high_score")  

@IBOutlet weak var highScoreLabel: UILabel!

@IBOutlet weak var scoreGameOverLabel: UILabel!

var gameOver = ""

override func viewDidLoad() {
    super.viewDidLoad()

    if lastScore > highScore {
        highScore = lastScore
       highScoreLabel.text = NSString(format: "%i", highScore) as String
        UserDefaults.standard.set(highScore, forKey: "high_score")
    }                 
    scoreGameOverLabel.text = gameOver       
}

Answer 1

在 SecondViewController 中，尝试设置您的最后得分。

gameOver.lastScore = addOne

在 GameOverViewController 中添加 lastScore 变量并跟踪您的高分。

var lastScore = 0
var highScore = UserDefaults.standard.integer(forKey: "high_score")

if lastScore > highScore {
    highScore = lastScore
    UserDefaults.standard.set(highScore, forKey: "high_score")
}