iOS开发数独小游戏实例

//
//  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
        }
    }
}