ios - 如何使用 Swift 在 XCode 上单击按钮时使分数上升一分

Question

抱歉问了这个简单的问题，我对 IOS 开发非常陌生。我想做的是，每次点击按钮时，设置为 0 的 UILabel 都会增加 1。这是 ViewController.swift 上给出的默认代码，我为标签创建了一个导出，为按钮创建了一个操作。

import UIKit

class ViewController: UIViewController {
@IBOutlet var score: UILabel!

@IBAction func button(sender: UIButton) {


}

override func viewDidLoad() {
    super.viewDidLoad()

}

override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()

}


}

Answer 1

CHANGE LABEL NAME TO BE MORE DESCRIPTIVE
CREATE SCORE VARIABLE AND START IT AT 0 SO YOU HAVE A SCORE TO PRESENT FROM THE START
MAKE IT BEAUTIFUL



import UIKit

class ViewController: UIViewController {
@IBOutlet var scoreLabel: UILabel!
private var score = 0

@IBAction func button(sender: UIButton) {
    score += 1
    scoreLabel.text = "\(score)"
}

override func viewDidLoad() {
    super.viewDidLoad()
        scoreLabel.text = "\(score)"
        scoreLabel.backgroundColor = UIColor.pinkColor()
}

override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()

}


}