编辑代码

var myString = "Hello world!     -  swift.jsrun.net"
print(myString)
//游戏是否结束标记
var GameOver = false
// 游戏开始时间戳
var beginTimestamp : Int = 0
//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 = DateC
let timelnterval : Timelnterval = now
timeIntervalsince1970
return Int(timelnterval)
//函数 9:定时器倒计时函数，显示当前消耗时间和倒计时
func timeElapseO) (
TimerscheduledTimer(withTimelnterval: 0.5,repeats: true) ((timer) in
let timestamp = self.getCurrentTimeStamp0
let pastPeriod = timestamp - self.
beginTimestamp
let countDown = self,GamePerioc
pastperlod
self,TimeCost = pastPeriod
f countDown <= 0 elf GameOver
self GameOver
et tipsLabel = self.view.v Tag(1001)as. UILabe
tiosLabel,text=游戏结束 共消耗时间(selfmeCost)秒
linvalidateO
et tiosLabel = selfview.yi WitnTag(1002)as! UILabel
DispatchQueue.main.async
tipsLabel.text="您消耗\(pastPeriod)秒 倒时(countDown
音效 计时戏结案
@objc func buttonCheckMusicTimer( sender: UiButton)
if GameOver freturn
et tlosLaber – selfview.viewwithTag(1001)as! uTLabel
var tag = sender.tag
if tag >= 5000 (
tag- 5000
else if tag= 400,0
tao 4000
et row = Int (tag / cols)
let col = taa - cols * row
——IrOW.CO
ot
0=(TOW.CO
errorCords = reserved
if result.count >=1(
sender.backgroundColor = red
let path = Bundle,main,path(forResource; birdsound",oflype: "m4a")
let url = URL(fileURLWithPath: path!)
soundPlayer = try? AVAudioPlayer(
contentsOf; url)
soundplayer.play0
tipsLabel.text="不同找到:(A(row)，\(col))，还剩(errorCords.count)A"
erro count <= 0(
GameOver = true
Label.text="任务完成 共花费时间(self.0 秒
sender, KO
let path = Bunc Resource:
error", ofType: "m4a")
let url = URL(fileURLWithPath: path!)
soundPlayer = try? AVAudioPlayer(contentsOf: url) 
soundPlayer.play()
tipsLabel.text = "找错啦:(\(row),\(col))"
}
}
//4.2.5
//函数11:图形化显示程序，支持 Button，支持提示功能
func displayArrayGraphButtonTips()(
let myview1 = self.view.viewWithTag(2001) as! UllmageView
let myview2 = self.view.viewWithTag(2002) as! UllmageView
myView1.backgroundColor=.darkGray
myView2.backgroundColor= .darkGray
//支持View可以进行交互等操作
myView1.isUserInteractionEnabled = true
myView2.isUserInteractionEnabled = true
let h = myView1.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= (w - margin *2 - padding * CGFloat(cols - 1))/ CGFloat (cols) let grid_h = (h - margin *2 - padding  CGFloat(rows - 1)) / CGFloat (rows)
for i in O..<rows {
for j in 0..<cols (
let x = margin + CGFloat(j) * (grid w + padding)
let y = margin + CGFloat(i) * (grid h + padding)
let rect = CGRect(x: x, y:y , width: grid w, height: grid h)
let tag1 = i* cols +j+ 5000
addButton(view: myView1, rect: rect, fileName: fileNamel, tag: tagl)
//在下面的ImageView中显示
let fileName2 = iv2[i * cols + j]
let tag2 =i* cols + i + 4000
addButton(view: myView2, rect: rect,fileName: fileName2, tag:tag2)
// 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) f let img = Ullmage(named: fileName)
let btn = UlButton(frame: rect)
btn.setlmage(img, for:.normal)
var mytag =tag
if mytag >= 5000t
mytag -= 5000
else if mytag >=4000 (
mytag -= 4000
let row = Int (mytag / cols)
let col = mytag - cols * row
$0 == (row,col)
]
if result.count >= 1 && TipsFlag
btn.backgroundColor =.blue
1)
else(
btn.backgroundColor = yellow
btn.tag = tag
btn.addTaiget(self, action: #selector(buttonCheckMusicTimer (_:)), for: .touchUpInside) view.addSubview(btn)
]
@IBAction func onTips( 【 sender : UIButton) (
TipsFlag =! TipsFlag
displayArrayGraphButtonTips0
1 
@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 = getCurrentTimeStamp0
//倒计时
timeElapse(0
//数组初始化
initGame0 Windows (CRLF)
differenceCreate(mount: 3)
displayArrayGraphButtonTips(0
//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 = Ullmage(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 (
$O = = (row,col)
if result.count ＞=1 && TipsFlag (
btn.backgroundColor =.blue
btn taa = taa Windows (CRLF)
btn.addTarget(self,action: #selector(buttonCheckMusicTimer C_:)), for:touchUpInside) view.addSubview(btn)
let result1 = cords.filter (
$O == (row,col)
if result1.count >= 1 (
btn.tag =tag
btn.addTarget(self, action: #selector (buttonCheckMusieTimer(_:)), for.touchuplnside) view.addSubview(btn)
//画数 13:移除所有子控件 一
func removeAllSubViews(view:UIView) (
if view.subviews.count> 0 (
view.subviews.forEach(($0.removeFromSuperview0))
@IBAction func onTips(_ sender :UIButton)(
TipsFlag =! TipsFlag
displayArrayGraphButtonTips0
@IBAction func onBegin(_ sender : UIButton)f
//游戏结束标志
GameOver = false
//获取游戏开始时间并保存
beginTimestamp = getCurrentTimeStamp0
//倒计时
timeElapse()
//数组初始化
initGame)
distractorCreate(mount: 10)
differenceCreate(mount: 8)
displayArrayGraphButtonTips0)
@IBAction func onNext(_ sender : UlButton)(
GameOver = true
TipsFlag = false
let myView1= self.view.viewWithTag(2001) as! UllmageView let myView2 = self.view.viewWithTag(2002) as! UIlmageView CurrentBackground += 1
if CurrentBackground > 4(
CurrentBackground = 1
14
let imaae = Ullmaae'named: "back0\(CurrentBackaround)")!
myView1.image = image 
myView2.image = image
removeAllSubViews(view: myView1) 
removeAllSubViews(view: myView2)
}
func differerceCreate(mount:Int){
    for_in 0..<mount{
        let col = Int(arc4random()) % cols
        let row = Int(arc4randowm()) % rows
        errorCords.append((row,col))
        let ibdex = Int(arc4random()) % imag.count
        let which = Int(arc4random()) % 2
        if which == 0 {
            iv1[cols*row + cols] = images[index]
        }
        else
        iv2[cols*row + col] = image[index]
        }
    }
}
//修改Button函数支持音效
@objc func buttinCheckMusic(_sender :UIButton){
    let tipsLabel = self.view.viewWith Tag(1001) as! UILabel
    var tag = sender.tag
    if tag >= 5000{
        tag -= 5000
    }
    else if tag >= 4000{
        tag -= 4000
    }
    let roow =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:"birdspund",ofType:"m4a")
        leet url =URL(fileURLWithPath:path!)
        soundplayer=try? AVAidioplyer(conentsof:url)
        soundplayer.play()
        tipsLayre.text = "不同找到: (\(row),\(col))"
    }
    else{
        let path = Bundle.main.path(forResource:"error",ofType:"m4a")
        let url =URL(fileURLWithpath:path!)
        soundplayer=TRY? AVAidioplyer(conentsof:url)
        soundplayer.play()
        tipsLayre.text = "找错:(\(row),\(col))"
        }
    }
    btn1.addTarget(self,action:#selector(buttinCheckMusic(_:)),for:.touchUplnside)
    btn1.addTarget(self,action:#selector(buttinCheckMusic(_:)),for:.touchUplnside)
}
let expert = Expert()
let character = Character()

func move(sprite: Character, distance: Int)
{
    for i in 1..distance {
        sprite.moveForward()
    }
}

func moveTurnMove(distance1: Int, isTurnLeft: Bool, distance2: Int)
{
    move(sprite: expert, distance: distance1)
    if isTurnLeft {
        expert.turnLeft()
    } else {
        expert.turnRight()
    }

    move(sprite: expert, distance: distance2)
}

expert.turnLeft()
moveTurnMove(distance1: 3, isTurnLeft: false, distance2: 2)
expert.turnLeft()
expert.turnLockDown()
expert.turnLockDown()
expert.turnRight()
moveTurnMove(distance1: 2, isTurnLeft: false, distance2: 3)
moveTurnMove(distance1: 3, isTurnLeft: false, distance2: 2)
expert.turnLeft()
expert.turnLockUp()

move(sprite: character, distance: 2)
character.collectGem()
move(sprite: character, distance: 2)
character.toggleSwitch()
var filteredProspects: [Prospect] {
    switch filter {
    case .none:
        return prospects.people
    case .contacted:
        return prospects.people.filter { $0.isContacted }
    case .uncontacted:
        return prospects.people.filter { !$0.isContacted }
    }
}
List {
    ForEach(filteredProspects) { prospect in
        VStack(alignment: .leading) {
            Text(prospect.name)
                .font(.headline)
            Text(prospect.emailAddress)
                .foregroundColor(.secondary)
        }
    }
}
struct ExampleView: View {
    var body: some View {
        TimelineView(.periodic(from: .now, by: 3.0)) { timeline in
            QuipView(date: timeline.date)
        }
    }

    struct QuipView: View {
        @StateObject var quips = QuipDatabase()
        let date: Date

        var body: some View {
            Text("_\(quips.sentence)_")
                .onChange(of: date) { _ in
                    quips.advance()
                }
        }
    }
}

class QuipDatabase: ObservableObject {
    static var sentences = [
        "There are two types of people, those who can extrapolate from incomplete data",
        "After all is said and done, more is said than done.",
        "Haikus are easy. But sometimes they don't make sense. Refrigerator.",
        "Confidence is the feeling you have before you really understand the problem."
    ]

    @Published var sentence: String = QuipDatabase.sentences[0]

    var idx = 0

    func advance() {
        idx = (idx + 1) % QuipDatabase.sentences.count

        sentence = QuipDatabase.sentences[idx]
    }
}
Text("www.baidu.com")
            .background(Color.red)
            .foregroundColor(.white)
            .padding()

            Text("www.baidu.com")
                .padding(20)
            .background(Color.black)
            .foregroundColor(.white)



            Text("www.baidu.com")
            .padding()
            .background(Color.black)
            .foregroundColor(.white)

            Text("www.baidu.com")
                .padding(4)
            .background(Color.black)
            .foregroundColor(.white)


            Text("Swift UI Doing")
            .font(.largeTitle)
            .foregroundColor(.black)
            .padding(15)
            .background(Color.yellow)
            .padding(15)
            .background(Color.orange)
            .padding(20)
            .background(Color.red)
            Text("橙色大背景")
                .frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity,alignment: .leading)
                
                    .background(Color.orange)
           
                    .font(.largeTitle)
                
                    .edgesIgnoringSafeArea(.all)
                    Text("现在时间是: \(xianzai, formatter: Self.dataFormatter)")
                            .font(.title)
                            .padding()
                            .background(Color.green)

var xianzai = Date()
    static let dataFormatter :DateFormatter = {
        let formatter = DateFormatter()
        formatter.dateStyle = .long
        return formatter
        
    }()
    //            添加扩展方法+，对文本View进行拼接，实现富文本的效果。
                        Text("文本一 ")
                            .foregroundColor(.yellow)
                            .fontWeight(.heavy)
                        + Text("文本二 ")
                            .foregroundColor(.blue)
                            .strikethrough()
                        + Text("文本三 ")
                            .foregroundColor(.red)
                            .italic()
                        + Text("文本四")
                            .foregroundColor(.green)
                            .underline()