不等号不适用于swift
当两张牌相等时,分数会增加,这就是我想要它做的,但当两张牌不相等时,分数也会增加。我试着用不等号,但还是没有运气不等号不适用于swift,swift,if-statement,operators,Swift,If Statement,Operators,当两张牌相等时,分数会增加,这就是我想要它做的,但当两张牌不相等时,分数也会增加。我试着用不等号,但还是没有运气 @IBAction func SnapButtonTapped(sender: UIButton) { if firstRandomNumber == SecondRandomNumber { print("index match") self.playerScore += 1 self.playerScoreLabe
@IBAction func SnapButtonTapped(sender: UIButton) {
if firstRandomNumber == SecondRandomNumber {
print("index match")
self.playerScore += 1
self.playerScoreLabel.text = String(self.playerScore)
}
else if firstRandomNumber != SecondRandomNumber {
print("no match")
}
//get the audioPlayer that correspond to the button that they tapped
let audioPlayer = audioPlayers[sender.tag]
audioPlayer.play()
}
这是我代码的其余部分
import UIKit
import AVFoundation
let firstRandomNumber = Int()
let SecondRandomNumber = Int()
let firstCardString = String()
let SecondCardString = String()
class ViewController: UIViewController {
@IBOutlet weak var FirstCardImageView: UIImageView!
@IBOutlet weak var SecondCardImageView: UIImageView!
@IBOutlet weak var PlayRoundButton: UIButton!
@IBOutlet weak var BackgroundImageView: UIImageView!
@IBOutlet weak var playerScoreLabel: UILabel!
let soundFilenames = ["shuffle", "correct"]
var audioPlayers = [AVAudioPlayer]()
var playerScore: Int = 0
var cardNamesArray: [String] = ["sad", "sleepy","angry"]
var cardNamesArray2: [String] = ["triste", "cansado","enfadado"]
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
//set up audio player
for sound in soundFilenames {
do {
//try to do something
let url = NSURL(fileURLWithPath: NSBundle.mainBundle().pathForResource(sound, ofType:"wav")!)
let audioPlayer = try AVAudioPlayer(contentsOfURL: url)
audioPlayers.append(audioPlayer)
}
catch {
//catch the error
audioPlayers.append(AVAudioPlayer())
}
}
self.PlayRoundButton.setTitle("Play", forState: UIControlState.Normal)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
@IBAction func playRoundTapped(sender: UIButton) {
self.PlayRoundButton.setTitle("Shuffle Cards", forState: UIControlState.Normal)
//First Card generate random number
let firstRandomNumber = Int (arc4random_uniform(3))
let firstCardString:String = self.cardNamesArray[firstRandomNumber]
self.FirstCardImageView.image = UIImage(named: firstCardString)
//Second Card generate random number
let SecondRandomNumber = Int (arc4random_uniform(3))
let SecondCardString:String = self.cardNamesArray2[SecondRandomNumber]
self.SecondCardImageView.image = UIImage(named: SecondCardString)
//determine matching cards
let audioPlayer = audioPlayers[sender.tag]
audioPlayer.play()
}这是范围。您认为您正在将
firstRandomNumber
和SecondRandomNumber
(请不要将大写字母用作变量!)设置为随机数,但实际上您正在声明它们。删除playRoundTapped
中的let
s,并将这两个的顶级声明更改为var
s。它的范围。您认为您正在将firstRandomNumber
和SecondRandomNumber
(请不要将大写字母用作变量!)设置为随机数,但实际上您正在声明它们。删除playRoundTapped
中的let
s,并将这两个变量的顶级声明更改为var
s。将其移动到答案。如果它有效,请随意接受答案。将其移动到一个答案。如果成功了,请随意接受答案。