编辑代码

func displayArrayGraph() {
    let myView1 = self.view.viewWithTag(2001) as! UIImageView
    let myView2 = self.view.viewWithTag(2002) as! UIImageView
    myView1.backgroundColor = .darkGray
    myView2.backgroundColor = .darkGray

    let h = myView1.frame.size.height
    let w = myView2.frame.size.width

    let padding : CGFloat = 5
    let margin : CGFloat = 10

    let grid_w = (w - margin * 2 - padding * CGFloat(cols-1)) / CGFloat(cols)
    let grid_h = (h - margin * 2 - padding * CGFloat(rows-1)) / CGFloat(rows)

    for i in 0..<rows {
        for j in 0..<cols {
            let x = margin + CGFloat(j) * (grid_w + padding)
            let y = margin + CGFloat(i) * (grid_h + padding)
            let rect = CGFloat(x: x, y:y, width: grid_w, height: grid_h)
            let fileName1 = iv1[i*cols+j]
            let img1 = UIImage(named: fileName1)
            let imgView1 = UIImageView(frame: rect)
            imgView1.image = img1
            imgView1.backgroundColor = .yellow
            myView1.addSubview(imgView1)
            let fileName2 = iv2[i*cols+j]
            let img2 = UIImage(named: fileName2)
            let imgView2 = UIImageView(frame: rect)
            imgView2.image = img2
            imgView2.backgroundColor = .yellow
            myView2.addSubview(imgView2)
        }
    }
}

func displayArrayGraphButton() {
    let myView1 = self.view.viewWithTag(2001) as! UIImageView
    let myView2 = self.view.viewWithTag(2002) as! UIImageView
    myView1.backgroundColor = .darkGray
    myView2.backgroundColor = .darkGray
    myView1.isUserInteractionEnabled = true
    myView2.isUserInteractionEnabled = true

    let h = myView1.frame.size.height
    let w = myView2.frame.size.width

    let padding : CGFloat = 5
     let margin : CGFloat = 10

    let grid_w = (w - margin * 2 - padding * CGFloat(cols-1)) / CGFloat(cols)
    let grid_h = (h - margin * 2 - padding * CGFloat(rows-1)) / CGFloat(rows)

    for i in 0..<rows {
        for j in 0..<cols {
            let x = margin + CGFloat(j) * (grid_w + padding)
            let y = margin + CGFloat(i) * (grid_h + padding)
            let rect = CGFloat(x: x, y:y, width: grid_w, height: grid_h)
            let fileName1 = iv1[i*cols+j]
            let img1 = UIImage(named: fileName1)
            let btn1 = UIButton(frame :rect)
            btn1.setImage(img1, for: .normal)
            btn1.backgroundColor = .yellow
            btn1.tag = i*cols+j + 4000
            btn1.addTarget(self, action: #selector(buttonCheck(_:)),for: .touchUpInside)
            myView1.addSubview(btn1)
            let fileName2 = iv2[i*cols+j]
            let img2 = UIImage(named: fileName2)
            let btn2 = UIButton(frame: rect)
            btn2.setImage(img2, for: .normal)
            btn2.backgroundColor = .yellow
            btn2.tag = i*cols+j + 5000
            btn2.addTarget(self, action: #selector(buttonCheck(_:)),for: .touchUpInside)
            myView2.addSubview(btn2)
        }
    }
}

@objc func buttonCheck(_ sender : UIButton) {
    let tipsLabe1 = self.view.viewWithTag(1001) as! UILabel
    let tag = sender.tag
    if tag >= 5000 {
        let row = Int ((tag - 5000) / cols)
        let col = tag - 5000 - cols * row
        print("Bottom(\(row),\(col))")
        tipsLabe1.text = "Bottom(\(row),\(col))"
    }
    elso if tag >= 4000 {
        let row = Int ((tag - 4000) / cols)
        let col = tag - 4000 - cols * row
        print("Top(\(row),\(col))")
        tipsLabe1.text = "Top(\(row),\(col))"
    }
    elso {
        print("Button.tag=\(sender.tag)")
        tipsLabe1.text = "Button.tag=\(sender.tag)"
    }
}

func distractorCreate(mount:Int) {
    for _ in 0..<mount {
        let col = Int(arc4random()) % cols
        let row = Int(arc4random()) % rows

        cords.append((row,col))
        let index = Int(arc4random()) % images.count
        iv1[cols*row + col] = images[index]
        iv2[cols*row + col] = images[index]
    }
}

let rows = 8
let cols = 8
var iv1 : Array<String> = []
var iv2 : Array<String> = []
var cords : Array<(Int,Int)> = []
let images : Array<String> = ["bird","bee","flower","mogu"]

func differenceCreate(mount:Int) {
    for _ in 0..<mount {
        let col = Int(arc4random()) % cols
        let row = Int(arc4random()) % rows

        errorCords.append((row,col))
        let index = Int(arc4random()) % images.count
        let which = Int(arc4random()) % 2
        if which == 0 {
            iv1[cols*row + col] = images[index]
        }
        else {
            iv2[cols*row + col] = images[index]
        }
    }
}

@objc func buttonCheckMusic(_ sender : UIButton) {
    let tipsLabe1 = self.view.viewWithTag(1001) as! UILabel
    var tag = sender.tag
    if tag >= 5000 {
        tag -=  5000
    }
    else if tag >=  4000 {
        tag -=  4000
    }
    let row = Int (tag / cols)
    let col = tag - cols * row

    let result  = errorCords.filter {
        $0 == (row,col)
    }
    if result.count >= 1 {
        let path = Bundle.main.path(forResource:"birdsound",ofType:"m4a")
        let url = URL(fileURLWithPath: path!)
        soundPlayer=try? AVAudioPlayer(contentsOf: url)
        soundPlayer.play()
        tipsLabe1.text = "不同找到: (\(row),\(col))"
    }
    else {
        let path = Bundle.main.path(forResource: "error", ofType:"m4a")
        let url = URL(fileURLWithPath: path!)
        soundPlayer=try? AVAudioPlayer(contentsOf: url)
        soundPlayer.play()
        tipsLabe1.text = "找错啦: (\(row),\(col))"
    }
}

btn1.addTarget(self, action: #selector(buttonCheck(_:)), for: .touchUpInside)
btn2.addTarget(self, action: #selector(buttonCheck(_:)), for: .touchUpInside)
btn1.addTarget(self, action: #selector(buttonCheckMusic(_:)), for: .touchUpInside)
btn2.addTarget(self, action: #selector(buttonCheckMusic(_:)), for: .touchUpInside)

var GameOver = false
var beginTimestamp : Int =  0
let GamePeriod =  20
var TimeCost =  0
unc getCurrentTimeStamp () -> Int {
    let now = Date ()
    let timeInterval : TimeInterval = now.timeIntervalSince1970
    return Int(timeInterval)
}
func timeElapse() {
    Timer.scheduledTimer(withTimeInterval: 0.5, repeats: trun) {
(timer) in
       let timestamp = self.getCurrentTimeStamp()
       let pastPeriod = timestamp - self.beginTimestamp
       let countDown = self.GamePeriod - pastPeriod
       self.TimeCost = pastPeriod
       if countDown <= 0 || self.GameOver {
           self.GameOver = trun
           let tipsLabel = self.view.viewWithTag(1001) as! UILabel
           tipsLabel.text = "游戏结束,共消耗时间\(self.TimeCost)秒"
           timer.invalidate()
       }
       let tipsLabel = self.view.viewWithTag(1002) as! UILabel
        DispatchQueue.main.async {
        tipsLabel.text = "您消耗\(pastPeriod)秒,倒计时\(countDown)秒"
       }
    }
}
20211129tu
@objc func buttonCheckMusicTimer(_ sender : UIButton) {
    if GameOver {return}
    let tipsLabel = self.view.viewWithTag(1001) as! UILabel
    var tag = sender.tag
    if tag >= 5000 {
        tag -= 5000
    }
    else if tag >= 4000 {
        tag -= 4000
    }
    let row = Int (tag / cols)
    let col = tag - cols * row

    let result = errorCords.filter {
        $0 == (row,col)
    }
    let reserved = errorCords.filter {
        $0 != (row,col)
    }
    errorCords = reserved

    if result.count >= 1 {
        sender.backgroundColor = .red
        let path = Bundle.main.path(forResource: "birdsound", ofType: "m4a")
        let url = URL(fileURLWithPath: path!)
        soundPlayer=try? AVAudioPlayer(contentsOf: url)
        soundPlayer.play()
        tipsLabel.text = "不同找到: (\(row),\(col)),还剩\(errorCords.count)个"
        if errorCords.count <= 0 {
            GameOver = true
            tipsLabel.text = "任务完成,共花费时间\(self.TimeCost)秒"
        }
    }
    else {
        sender.backgroundColor = .brown
        let path = Bundle.main.path(forResource: "error", ofType: "m4a")
        let url = URL(fileURLWithPath: path!)
        soundPlayer=try? AVAudioPlayer(contentsOf: url)
        soundPlayer.play()
        tipsLabel.text = "找错啦: (\(row),\(col))"
    }
}*/

btn1.addTarget(self, action: #selector(buttonCheckMusic(_:)), for: .touchUpInside)
btn2.addTarget(self, action: #selector(buttonCheckMusic(_:)), for: .touchUpInside)

btn1.addTarget(self, action: #selector(buttonCheckMusicTimer(_:)), for: .touchUpInside)
btn2.addTarget(self, action: #selector(buttonCheckMusicTimer(_:)), for: .touchUpInside)

GameOver = false
beginTimestamp = getCurrentTimeStamp()
timeElapse()
initGame()
distractorCreate(mount: 5)
differenceCreate(mount: 3)
displayArrayGraphButton()

func displayArrayGraphButtonTips() {
    let myView1 = self.view.viewWithTag(2001) as! UIImageView
    let myView2 = self.view.viewWithTag(2002) as! UIImageView
    myView1.backgroundColor = .darkGray
    myView2.backgroundColor = .darkGray
    myView1.isUserInteractionEnabled = true
    myView2.isUserInteractionEnabled = true

    let h = myView1.frame.size.height
    let w = myView2.frame.size.width

    let padding : CGFloat = 5
    let margin : CGFloat = 10
    let grid_w = (w - margin * 2 - padding * CGFloat(cols-1)) / CGFloat(cols)
    let grid_h = (h - margin * 2 - padding * CGFloat(rows-1)) / CGFloat(rows)
    for i in 0..<rows {
        for j in 0..<cols {
            let x = margin + CGFloat(j) * (grid_w + padding)
            let y = margin + CGFloat(i) * (grid_h + padding)
            let rect = CGFloat(x: x, y:y ,width: grid_w, height: grid_h)

            let fileName1 = iv1[i cols+j]
            let tag1 = i cols+j + 5000
            addButton(view: myView1, rect: rect, fileName: fileName1,tag: tag1)

            let fileName2 = iv2[i cols+j]
            let tag2 = i cols+j + 4000
            addButton(view: myView2, rect: rect, fileName: fileName2,tag: tag2)
        }
    }
}

func addButton(view:UIView,rect:CGRect,fileName:String,tag:Int) {
    let img = UIImage(named: fileName)
    let btn = UIButton(frame: rect)
    btn.setImage(img, for: .normal)

    var mytag = tag
    if mytag >= 5000 {
        mytag -= 5000
    }
    else if mytag >= 4000 {
        mytag -= 4000
    }
    let row = Int (mytag / cols)
    let col = mytag - cols * row

    let result = errorCords.filter {
        $0 == (roe,col)
    }
    if result.count >= 1 && TipsFlag {
        btn.backgroundColor = .blue
    }
    else {
        btn.backgroundColor = .yellow
    }
    btn.tag = tag
    btn.addTarget(self, action: #selector(buttonCheckMusicTimer(_:)),for: .touchUpInside)
    view.addSubview(btn)
}
@IBAction func onTips(_ sender : UIButton){
    TipsFlag = TipsFlag
    displayArrayGraphButtonTips()
}
@IBAction func onBegin(_ sender : UIButton){
    GameOver = false
    beginTimestamp = getCurrentTimeStamp()
    timeElapse()
    initGame()
    distractorCreate(mount: 5)
    differenceCreate(mount: 3)
    displayArrayGraphButtonTips()
}
removeAllSubViews(view: myView1)
removeAllSubViews(view: myView2)

func addButton(view:UIView,rect:CGRect,fileName:String,tag:Int) {
    let img = UIImage(named: fileName)
    let btn = UIButton(frame: rect)
    btn.setImage(img, for: .normal)

    var mytag = tag
    if mytag >= 5000 {
        mytag -= 5000
    }
    else if mytag >= 4000 {
        mytag -= 4000
    }
    let row = Int (mytag / cols)
    let col = mytag - cols * row
    let result = errorCords.filter {
        $0 == (row,col)
    }
    if result.count >= 1 && TipsFlag {
        btn.backgroundColor = .blue
        btn.tag = tag
        btn.addTarget(self, action: #selector(buttonCheckMusicTimer(_:)),for: .touchUpInside)
        view.addSubview(btn)
    }
    let result1 = cords.filter {
        $0 == (rpw,col)
    }
    if result.count >= 1 {
        btn.tag = tag
        btn.addTarget(self, action: #selector(buttonCheckMusicTimer(_:)),for: .touchUpInside)
        view.addSubview(btn)
    }
}
func removeAllSubViews(view:UIView) {
    if view.subviews.count>0 {
        view.subviews.forEach({$0.removeFromSuperview()})
    }
}
@IBAction func onTips(_ sender : UIButton) {
    TipsFlag = !TipsFlag
    displayArrayGraphButtonTips()
}
@IBAction func onBegin(_ sender : UIButton) {
    GameOver = false
    beginTimestamp = getCurrentTimeStamp()
    timeElapse()
    initGame()
    distractorCreate(mount: 10)
    differenceCreate(mount: 8)
    displayArrayGraphButtonTips()
}
@IBAction func onNext(_ sender : UIButton) {
    GameOver = true
    TipsFlag= false
    let myView1 = self.view.viewWithTag(2001) as! UIImageView
    let myView2 = self.view.viewWithTag(2002) as! UIImageView
    CurrentBackground += 1
    if CurrentBackground > 4 {
        CurrentBackground = 1
    }
    let image = UIImage(named: "back0\(CurrentBackground)")!
    myView1.image = image
    myView2.image = image
    removeAllSubViews(view: myView1)
    removeAllSubViews(view: myView2)
}

import SwiftUI
struct ContentView : View {
    @State var userName : String = ""
    @State var passWord : String = ""
    var body: some View {
        VStack {
            Text("欢迎使用找不同")
            .font(.title)
            .padding()
            Divider()
            .background(Color(.brown))
            Image(systemName:"person")
            .resizable()
            .frame(width: 150, height: 150)
            .cornerRadius(50)

            VStack {
                TextField("请输入用户名", text: $userName)
                .padding()
                .padding(.leading,10)
                .background(Color(.lightGray))
                .cornerRadius(15)
                TextField("请输入密码", text: $passWord)
                .padding()
                .padding(.leading,10)
                .background(Color(.lightGray))
                .cornerRadius(15)
            }
            .padding()
            Button(action: {
                print("被点击了...")
            }, label: {Text("登录")}) 
            .padding()
            Spacer()   
            
        }
    }
}
struct ContentView_Previews : PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}*/

import SwiftUI
let lightGrayColor = Color(red: 239.0/255.0, green: 243.0/255.0, blue: 244.0/255.0, opacity: 1.0)
struct ContentView : View {
    State var userName : String = ""
    State var passWord : String = ""
    State private var alertFlag : Bool = false
    State private var alertMsg : String = ""
    var  body: some View {
        VStack {
            Text("欢迎使用找不同")
            .font(.title)
            .padding()
            Divider()
            .background(Color(.brown))
            Image("back02")
            .resizable()
            .frame(width: 150, height: 150)
            .cornerRadius(150)
            VStack {
                TextField("请输入用户名", text: $userName)
                .padding()
                .padding(.leading,10)
                .background(lightGrayColor)
                .cornerRadius(15)
                TextField("请输入密码", text: $passWord)
                .padding()
                .padding(.leading,10)
                .background(lightGrayColor)
                .cornerRadius(15)
            }
            .padding()
            Button(action: {
                if self.userName == "Zfchen" && self.passWord == "123" {
                    self.alertFlag = true
                    self.alertMsg = "登录成功"
                }
                else {
                    self.alertFlag = true
                    self.alertMsg = "登录失败"
                }
            }, label: {
                Text("登录")
                .font(.headline)
                .foregroundColor(.white)
                .frame(width: 220, height: 60)
                .background(Color.green)
                .cornerRadius(15.0)
            })
            .padding()
            Spacer()
        }
        .alert(isPresented: $alertFlag) { () -> Alert in
        Alert(title: Text("登录提示"), message: Text(self.alertMsg), dismissButton: .default(Text("确定")))
        }
    }
}
struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}