iOS开发数独小游戏实例

本文实例为大家分享了iOS实现数独小游戏的具体代码，供大家参考，具体内容如下

一、界面设计

如下图。图1是用户打开程序后的主页面，点击“开始游戏”后进入游戏页面（图2,图3）。游戏界面上方是显示条，显示玩家当前选中的按钮。当玩家想要在九宫格中填入数字时，只需点击下方1-9的数字控件，显示条上会自动显示玩家当前选中的数字编号，再点击玩家想要填入的位置，就可以填入控件了。

最下方三个按钮分别是“提交”“橡皮擦”“标记”控件。当玩家点击“提交”按钮，系统会自动为玩家结算游戏分数；当玩家点击“橡皮擦”时，可以擦除九宫格上指定位置的数字；当玩家点击“标记”时，可以为九宫格上的格子添加一个小红旗作为标记。游戏界面上方有一个导航条，点击house图标会回到主页面。

二、实现

1. 先搭入口界面，包括一个image view和button，添加一个ViewController作为游戏界面，在入口界面和游戏界面之间添加segue，当点击“开始游戏”时跳转到游戏界面。

2.为游戏界面添加必要的控件，用9x9个button实现九宫格，添加9个数字按钮和3个功能控件，为了便于用户使用，需要添加一个显示条。通过用户按下button得知玩家想要在九宫上填入数字的位置坐标，button通过Tag识别。

3.关联代码。将九宫格，9个数字按钮，以及3个功能控件与代码关联，同时新建一个Board类，Board类包含九宫格游戏进度和答案计算等。

//
//  ViewController.swift
//
import UIKit

class ViewController: UIViewController {

    var inputNumber: String = " "
    var board = Board()
    var oldx: Int = 0
    var oldy: Int = 0
    var oldValue: Int = 0
    @IBOutlet weak var display: UILabel!

    @IBAction func inNumber(_ sender: UIButton) {
        if let  num = sender.currentTitle{
            switch num {
            case "" :inputNumber = "" ;display.text = ""
            case "1" :inputNumber = "1" ;display.text = "1"
            case "2" :inputNumber = "2" ;display.text = "2"
            case "3" :inputNumber = "3" ;display.text = "3"
            case "4" :inputNumber = "4" ;display.text = "4"
            case "5" :inputNumber = "5" ;display.text = "5"
            case "6" :inputNumber = "6" ;display.text = "6"
            case "7" :inputNumber = "7" ;display.text = "7"
            case "8" :inputNumber = "8" ;display.text = "8"
            case "9" :inputNumber = "9" ;display.text = "9"
            default:
                break
            }
        }
    }

    @IBAction func setNumber(_ sender: UIButton) {
        let pushTag: Int = sender.tag
        let hightTag: Int = pushTag / 10
        let lowTag: Int = pushTag % 10
        if board.question[hightTag - 1][lowTag - 1] == 0 {
            sender.setTitle(inputNumber, for: UIControl.State.normal)
            board.change(x: hightTag - 1, y: lowTag - 1, value: Int(inputNumber) ?? 0)
            oldx = hightTag - 1
            oldy = lowTag - 1
            oldValue = Int(inputNumber) ?? 0
        }
    }

    @IBAction func eraser(_ sender: UIButton) {
        inputNumber = " "
        display.text = "橡皮擦"
    }

    @IBAction func finish(_ sender: UIButton) {
        if board.check() {
            display.text = "You Win!"
        } else {
            display.text = "Score: \(board.score)"
        }
    }

    @IBAction func backHome(_ sender: UIBarButtonItem) {
        dismiss(animated: true, completion: nil)
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        display.text = "begin"
    }
}

//
//  Board.swift
//
import UIKit
class Board{
    var score: Int = 0
    var question: [[Int]] = [[0,0,0,1,8,0,9,3,0],
                             [1,8,6,0,0,0,0,0,7],
                             [0,5,0,7,4,0,0,0,0],
                             [5,0,4,0,0,0,3,0,6],
                             [0,0,0,3,9,4,0,0,2],
                             [2,3,0,0,0,0,0,1,0],
                             [0,0,9,0,0,3,0,0,8],
                             [0,0,2,9,0,5,7,0,0],
                             [0,7,0,0,0,8,0,9,0],]
    var nowBoard: [[Int]] = [[0,0,0,1,8,0,9,3,0],
                             [1,8,6,0,0,0,0,0,7],
                             [0,5,0,7,4,0,0,0,0],
                             [5,0,4,0,0,0,3,0,6],
                             [0,0,0,3,9,4,0,0,2],
                             [2,3,0,0,0,0,0,1,0],
                             [0,0,9,0,0,3,0,0,8],
                             [0,0,2,9,0,5,7,0,0],
                             [0,7,0,0,0,8,0,9,0],]
    var answer: [[Int]] = [[4,2,7,1,8,6,9,3,5],
                           [1,8,6,5,3,9,2,4,7],
                           [9,5,3,7,4,2,6,8,1],
                           [5,9,4,8,2,1,3,7,6],
                           [7,6,1,3,9,4,8,5,2],
                           [2,3,8,6,5,7,4,1,9],
                           [6,1,9,4,7,3,5,2,8],
                           [8,4,2,9,1,5,7,6,3],
                           [3,7,5,2,6,8,1,9,4],]
    func getNum(x: Int, y: Int) -> Int {
        return nowBoard[x][y]
    }
    func change(x: Int, y: Int, value: Int) {
        nowBoard[x][y] = value
    }
    func check() -> Bool {
        var countCorrect: Float = 0
        var countEmpty: Float = 0
        for i in 0...8{
            for j in 0...8 {
                if nowBoard[i][j] == answer[i][j] {
                    countCorrect += 1
                }
                if question[i][j] == 0 {
                    countEmpty += 1
                }
            }
        }
        //score = Int(((countQues -  countCorrect) / countQues) * 100)
        score = Int( ((countCorrect +  countEmpty - 81) / countEmpty) * 100 )
        if nowBoard == answer {
            score = 100
            return true
        } else {
            return false
        }
    }
}

三、试运行（附GIF）

四、评价

优点：程序简单，代码量小，无复杂算法。

缺点：游戏盘面相对固定，未实现数独盘面的随机生成、自动生成数独的解、以及不同难度生成。

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