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我有一个函数更新ViewController中的两个标签。我如何做到这一点,一旦我切换到这个ViewController,这两个标签得到更新,而不需要用户输入,如按钮?如何在切换到新的ViewController时自动运行代码?
@IBOutlet weak var scoreLabel: UILabel!
@IBOutlet weak var highScoreLabel: UILabel!
func updateScores() {
scoreLabel.text = "\(UserDefaults.standard.integer(forKey: "EndScore"))"
if UserDefaults.standard.string(forKey: "LastGameMode") == "Easy" {
highScoreLabel.text = "\(UserDefaults.standard.integer(forKey: "EasyHighScore"))"
} else if UserDefaults.standard.string(forKey: "LastGameMode") == "Normal" {
highScoreLabel.text = "\(UserDefaults.standard.integer(forKey: "NormalHighScore"))"
} else if UserDefaults.standard.string(forKey: "LastGameMode") == "Hard" {
highScoreLabel.text = "\(UserDefaults.standard.integer(forKey: "HardHighScore"))"
}
}