Ios 如何设置标签，以便在按下按钮时更改标签上显示的值

如何设置标签，以便在按下按钮时，它会更改标签上显示的值，并设置为每次按下按钮时，它们都会添加到之前按下的数字中-是否可以在同一视图控制器上设置2个视图场景

    @IBOutlet weak var creditLabel: UILabel!

    var savedNum:Int = "Credits: /0"

    var Money : Int!

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }




    @IBAction func oneDollar(_ sender: Any) {
        let oneDollar = 1
    }

    @IBAction func fiveDollars(_ sender: Any) {
        let fiveDollars = 5
    }

    @IBAction func tenDollars(_ sender: Any) {
        let tenDollars = 10
    }
    @IBAction func twentyDollars(_ sender: Any) {
        let twentyDollars = 20
    }
    @IBAction func fiftyDollars(_ sender: Any) {
        let fiftyDollars = 50
    }
    @IBAction func oneHundredDollars(_ sender: Any) {
        let oneHundredDollars = 110
    }

}

---

我想你想做的是这样的

class ViewController: UIViewController {

    @IBOutlet weak var creditLabel: UILabel!

    var credit = 0 {
       didSet {
           creditLabel.text = "Credit: $\(credit)"
       }
    }

    override func viewDidLoad() {
        super.viewDidLoad()

        credit = 0
    }


    @IBAction func oneDollar(_ sender: Any) {
        credit += 1
    }

    @IBAction func fiveDollars(_ sender: Any) {
        credit += 5
    }

    // etc
}

---

您的标签是否连接到UIViewController？相应的行动如何？您是否将相同的操作连接到相同的按钮？需要更多信息来帮助解决抛出的错误。

不清楚您想要实现什么-看起来您已经连接了6个按钮-您想在哪里更新标签？在每个iBaction中，增量货币：货币+=5，然后使用新编号更新标签：creditLabel.text=Credits:\money.This不编译-var savedNum:Int=Credits:/0。不要显示不必要的代码，例如didReceiveMemoryWarning。var userName:UILabel与您的问题有什么关系？请更新您的问题以显示有效的相关代码。请阅读感谢-IBAction是否会这样看@IBAction func oneDollar\uuSender:Any{money+=1}谢谢，我在这行上看到一个错误，说线程1:signal SIGABRT:class AppDelegate:UIResponder，UIApplicationLegate{如果您需要OP的澄清，请添加作为对问题的评论，而不是回答。