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 =  myView1.frame.size.height

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

    let grid_w = (w -margin * 2 -padding * CGFloat(cols-1)) / CGFloat(cols)
     let grid_h = (w -margin * 2 -padding * CGFloat(cols-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(j) * (grid_w + padding)
                 let rect = CGRect(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) 
                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 = ture
     myView2.isUserInteractionEnabled = ture
    
    let h = myView1.frame.size.height
    let w =  myView1.frame.size.height

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

    let grid_w = (w -margin * 2 -padding * CGFloat(cols-1)) / CGFloat(cols)
     let grid_h = (w -margin * 2 -padding * CGFloat(cols-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(j) * (grid_w + padding)
                 let rect = CGRect(x: X, y:y, width: grid_w, height: grid_h)
                 let fileName1 = iv1[i*cols+j]
                 let img1 = UIImage(named: fileName1)
                 let btn1 = UIImageView(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 tipsLabel = 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),\(rol))")
        tipsLabel.text = "Bottom(\(row),\(col))"
    }
    else if tag >= 4000 {
        let row = Int ((tag - 4000) / cols)
        let ccol = tag - 4000 - cols * row
        print("Top(\(row),\(col))")
        tipsLabel.tex = "Top(\(row),\(col))"
    }
    else {
        print("Button.tag=\(sender.tag)")
        tipsLabel.tex = "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]
        
        
        
            }
}
//数据定义开始--
/／定义行数和列数
let rows =8
let cols = 8
//定义上下两个图形数组
var iv1: Array<String>=[]
var iv2: Array<String>=[]
//定义上下相同的干扰项数组
var cords :Array<(Int,Int)>=[]
//干扰项和不同项只能是小图形
let images : Array<String>=["bird","bee","flower","mogu"]
// 数据定义结束 --

//函数6：生成不同项的随机位置和随机内容
func differenceCreate(mount:Int)i
for in 0..<mount
let col = Int(arc4random()) 号 cols
号 rows
let row =Int(arc4random())
errorCords.append((row,col))
//从images提供的字符中选择一个
let index =Int(arc4random())号images.count
//选择上面图形，还是下面图形？
let which = Int(arc4random()) 号2
//影响iv1和iv2这两个图形
if which == 0 {
iv1[cols*row + col] = images[index]
}
else{
iv2[cols*row + col]= images[index]
}
}
}

//函数7：不同点的Button 被单击后调用，支持音效
@objc func buttoncheckMusic(_ sender : UIButton)
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
letresult = 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()
tipsLabel.text="不同找到：(\(row)，\(co1))”
}
else {
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)，\(co1))"
  }
}

游戏是否结束标记
var GameOver = false
游戏开始时间戳
var beginTimestamp:Int=01游戏限定时间，单位：秒
let GamePeriod = 20
//游戏本次花费时间，单位：秒
var TimeCost =0
//函数8：获得当前时间戳
func getCurrentTimeStamp() ->Int
let now = Date()
let timeInterval :TimeInterval = now.timeIntervalSince1970return Int(timeInterval)
//函数9：定时器倒计时函数，显示当前消耗时间和倒计时
func timeElapse()
Timer.scheduledTimer(withTimeInterval: 0.5, repeats: true) timer) in
let timestamp = self.getCurrentTimeStamp()
let pastPeriod = timestamp- self.beginTimestamp let countDown = self.GamePeriod - pastPeriod
self.TimeCost = pastPeriod
if countDown<=0 1| self.GameOver 
self.GameOver = true
let tipsLabel= self.view.viewWithTag(1001)as! UILabeltipsLabel.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{
  tipsIabel.text="您消耗\(pastPeriod)秒,倒计时\(countDown)秒"
} 
}
}

//函数10：不同点的Button被单击后调用，支持音效、计时、游戏结束
@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
elseif tag >= 4000 (
tag -= 4000
上
let row = Int (tag / cols)
let col = tag - cols★row
let result = errorCords.filterf
50==(row,col)
！
letreserved = errorcords.filter(
$0!=(row,Co1)
)
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))"
}
}

// 游戏结束标志
GameOver = false
//获取游戏开始时间并保存
beginTimestamp= getCurrentTimeStamp()
//倒计时
timeElapse()
//数组初始化
initGame()
distractorCreate(mount：5)
differenceCreate(mount:3)
displayArrayGraphButton()

//函数11：图形化显示程序，支持Button，支持提示功能
func displayArrayGraphButtonTips()
let myViewl = self.view.viewWithTag(2001)as! UIImageView let myView2 = self.view.viewWithTag(2002)as! UIImageViewmyView1.backgroundColor=.darkGray
myView2.backgroundColor=.darkGray
// 支持 View 可以进行交互等操作
myViewl.isUserInteractionEnabled= true
myView2.isUserInteractionEnabled = true
let h = myViewl.frame.size.height
let w =myView1.frame.size.width
let padding : CGFloat = 5
let margin: CGFloat =10
//计算每个格子的高度和宽度
let grid w= o- nargin· 2 -padding" CoF Loat (co18-1)) / oris (cols) h- margin·2 - padding " CF loat (towes-11) / CSPJcst
let grid
(rOWS)
for i in 0..<rows 
for j in 0..<colsL (grid_w+padding)
let x= margin + CGFloat(j)
let y = margin + CGFloat(i)*(grid_h + padding)
let rect = CGRect(x: Xy:y,width: grid_W, height: grid h)
// 在上面的 TmageView 中显示
let fileNamel = ivlli*cols+j]
let tagl= i*cols+j + 5000
addButton(view: myViewl, rect: rect, fileName: fileNamel, taq: taa1)
//在下面的ImageView中显示
let fileName2 - iv2[i*cols+j]
let tag2 = i*cols+j + 4000
addButton(view: myView2, rect: rect, fileName: fileName2,tag: tag2)
4
//函数12：View上面添加Button的函数，提示功能，用于减少代码数量func addButton(view:UIView,rect:CGRect,fileName:String,tag:Int) let img = UIImage(named:fileName)
let btn = UlButton(frame: rect)
btn.setImage(img,for:.normal)
var mytag = tag
if mytag >= 5000 i
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 = .biue
}
else{
    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){
//游戏结束标志
GameOver = false
//获取游戏开始时间并保存
beginTimestamp = getCurrentTimeStamp()
//倒计时
timeElapse()
// 数组初始化
initGame()
distractorCreate(mount：5)
differenceCreate(mount:3)
displayArrayGraphButtonTips()

}
//函数12： View上面添加 Button的函数，提示功能，用于减少代码数量
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 f
  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 ==（row,col)
}
if resultl.count >= 1 {
btn.tag = tag
btn.addrarget(self, action: #selector(buttonCheckMusicTimer(_:)),
 for: .touchUpInside)
view.addSubview(btn)
}
}
//函数13：移除所有子控件
func removeAllSubViews(view:UIView)(
  if view.subviews.count>0(
     view.subviews.forEach(($0.removeFromSuperview()})
     }
     }
@IBAction func onTips(_ sender : UIButton){
TipsFlag =!TipsFlag
displayArrayGraphButtonTips()
}
@IBAction func orBegin( sender : UIButton){
//游戏结束标志
GameOver = false
//获取游戏开始时间并保存
beginTimestamp = getCurrentTimeStamp()
//倒计时
timeElapse()
//数组初始化
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! UIImageViewCurrentBackground+=1
if CurrentBackground >4 (
  CurrentBackground = 1
}
let image = UIImage(named: "back0\(CurrentBackground)")!
myViewl.image = image
myView2.image = image
removeAllSubViews(view:myView1)
removeAllSubViews(view：myView2)
}
//
// ContentView.swift
// LoginSwiftUI
// Created by Zhifeng Chen on 2020/8/1.
// Copyright  2020 Zhifeng Chen. All rightsreserved.
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)//字体大小为标题
·padding()//四周间隔
Divider()
.background(Color(.brown))// 背景色为brownImage(systemName:"person")//系统图像person
.resizable()// 允许改变图像尺寸
.frame(width：150，height：150)//尺寸改为 150*150.cornerRadius(50)// 圆角半径 50

VStack {
  TextField("请输入用户名",text: SuserName)
·padding()// 四周默认间隔
.padding(.leading，10)//前方间隔10
.background(Color(.lightGray))//背景色
·cornerRadius(15)//圆角半径15
TextField(”请输入密码",text: SpassWord)
.padding()//四周默认间隔
.padding(.leading，10)//前方间隔10
.background(Color(.lightGray))//背景色.cornerRadius(15)// 圆角半径 15
}
·padding()//四周默认间隔

Button(action:
print(”被点击了...”)
}, label: (Text(”登录")})
.padding()

Spacer()
}
}
}
struct ContentView_Previews：PreviewProvider{
static var previews: some View {
    ContentView()
}
}
ContentView.swift
LoginSwiftUI
Created by Zhifeng Chen on 2020/8/1.
Copyright  2020 Zhifeng Chen. All rights reserved.
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 : Viewí
//保存输入的用户名
@State var userName : String It 
//保存输入的密码
State var passWord : String
//是否需要弹出Alert 窗口
State private var alertFlag : Bool = false
//弹出窗口里面的具体内容
@State private var alertMsg : String =""
var body: some
View
vstackText(”欢迎使用找不同")
.font(.title)//字体大小为标题
·padding()//四周间隔
Divider()
.background(Color(.brown))//背景色为brown
Image("back02")//图片back02.png
.resizable()//允许改变图像尺寸
.frame (width:150, height: 150)//尺寸改为150*150
.cornerRadius(150)//圆角半径 50
vstack {
TextField("请输入用户名"，text: $userName)
.padding()//四周默认间隔
.padding(.leading,10)//前方间隔10
.background(lightGrayColor)// 背景色
.cornerRadius(15)//圆角半径 15
TextField("请输入密码"，text:SpassWord)
.padding()// 四周默认间隔
.padding(.leading,10)//前方间隔10
.background(lightGrayColor)//背景色
.cornerRadius(15)//圆角半径 15
.padding() // 四周默认间隔
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()
}
}