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我是一名刚刚学习编程的 9 年级学生。在我掌握了基础知识之后，我想我会用 swift 制作一个 cookie clicker 游戏。我完成了这一点，并且仍在努力改进它并使其更具可玩性，但我无法让它自动保存。我尝试过粘贴和修改其他一些行，但我做错了。我希望它保存变量 click 并在更新时自动 mult 。任何帮助表示赞赏，谢谢。

//
//  ViewController.swift
//  EthanClicker
//
//  Created by Ethan on 10/4/20.
//
import UIKit
class ViewController: UIViewController {
    //Outlets/////////////////////////////////
    @IBOutlet weak var clickOutput: UILabel!
    @IBOutlet weak var multOutput: UILabel!
    @IBOutlet weak var messageOutput: UILabel!
    //Variables/////////////////////////////////
    @objc var click = 0
    var mult = 1
    @IBAction func clickMeButton(_ sender: Any) {
        click = click + (1 * mult)
        clickOutput.text = "\(click)"
    }
    @IBAction func twoX(_ sender: Any) {
        if ((click >= 100) && (mult == 1)) {
            mult = 2
            click = click - 100
            multOutput.text = "\(mult)"
            clickOutput.text = "\(click)"
            messageOutput.text = "Nice Job! Keep Going!"
        } else {
            error()
        }
    }
    @IBAction func fourX(_ sender: Any) {
        if ((click >= 1000) && (mult == 2)) {
            mult = 4
            click = click - 1000
            clickOutput.text = "\(click)"
            multOutput.text = "\(mult)"
            messageOutput.text = "Getting closer, Keep Going!"
        } else {
            error()
        }
    }
    @IBAction func eightX(_ sender: Any) {
        if ((click >= 10000) && (mult == 4)) {
            mult = 8
            click = click - 10000
            clickOutput.text = "\(click)"
            multOutput.text = "\(mult)"
            messageOutput.text = "You Did It! Now Keep Playing To See How High You Can Go"
        } else {
            error()
        }
    }
    @IBAction func sixteenX(_ sender: Any) {
        if ((click >= 100000) && (mult == 8)) {
            mult = 16
            click = click - 100000
            clickOutput.text = "\(click)"
            multOutput.text = "\(mult)"
            messageOutput.text = "You Did It! Now Keep Playing To See How High You Can Go"
        } else {
            error()
        }
    }
    @IBAction func thirtytwox(_ sender: Any) {
        if ((click >= 1000000) && (mult == 16)) {
            mult = 32
            click = click - 1000000
            clickOutput.text = "\(click)"
            multOutput.text = "\(mult)"
            messageOutput.text = "You Did It! Now Keep Playing To See How High You Can Go"
        } else {
            error()
        }
    }
    @IBAction func sixtyfourX(_ sender: Any) {
        if ((click >= 10000000) && (mult == 32)) {
            mult = 64
            click = click - 10000000
            clickOutput.text = "\(click)"
            multOutput.text = "\(mult)"
            messageOutput.text = "You Did It! Now Keep Playing To See How High You Can Go"
        } else {
            error()
        }
    }
    
    func error() {
        messageOutput.text = "Not enough Clicks, keep going!"
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        clickOutput.text = "\(click)"
        multOutput.text = "\(mult)"
        messageOutput.text = ""
    }
}
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1 回答 1

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我认为这会奏效

选项 1：将第一个代码段添加到代码的末尾

func updateUI(){
clickOutput.text = "\(click)"
        }
然后在你的

@IBAction func clickMeButton(_ sender: Any) {
        click = click + (1 * mult)
        clickOutput.text = "\(click)"
        
       }

改成这个

@IBAction func clickMeButton(_ sender: Any) {
            click = click + (1 * mult)
            clickOutput.text = "\(click)"
            updateUI()
       }

选项 2：另一个想法是让 updateUI() 也进行计数，此外，如果您愿意，您应该使用运算符 += 来添加数字

func updateUI() { 
  click += 1
  clickOutput.text = "\(click)"
}

下一步与选项1中的步骤3相同

于 2020-12-03T16:43:19.303 回答