Question

我正在Xcode中创建一个问答游戏，我在测验完成后有一个屏幕，显示5个问题（来自70+的数组）和相应的正确答案（答案）以及用户选择的答案（ UserAnswer）。

我目前有正确答案的标签集（CorrectAnswer）和用户答案YourAnswer的单独标签集合。我想连续打印5个标签（QuestionName，YourAnswer，CorrectAnswer）的每个集合中为每个数组存储的所有5个值。

我对编码很新，所以任何有关在循环中使用数组的帮助都会受到赞赏。

First View Controller：

struct Question {
   var Question : String
   var Answers : [String]!
   var Answer : Int!
   var UserAnswer : Int!
   }

var Questions = [Question]()

第二视图控制器：

class ScoreViewController: UIViewController {

var Questions = [Question]()
var CorrectAnswerTotal = Int()
var QuestionNumberTotal = Int()
let TOTAL_QUESTIONS = 0
var AnswerNumber = Int()


@IBOutlet var QuestionName: [UILabel]!
@IBOutlet var YourAnswer: [UILabel]!
@IBOutlet var CorrectAnswer: [UILabel]!


  for i in 0..<Questions.count {

    var q = Questions[i].Question
    var ai = Questions[i].Answer
    var a = Questions[i].Answers[ai]
    var uai = Questions[i].UserAnswer
    var ua = Questions[i].Answers[uai]

     //This is where the error is

    if QuestionNumberTotal < TOTAL_QUESTIONS {

            if (ai != uai){

                QuestionName.text = Questions[i].Question
                YourAnswer.text = Questions[i].UserAnswer
                CorrectAnswer.text = Questions[i].Answer

               }

Answer 1

随意询问是否有不清楚的事情。

struct Question {
    var question: String
    var answers: [String]
    var correctAnswer: Int
    var userAnswer: Int
}

var questions = [Question]()
var correctAnswerTotal = 0

@IBOutlet var questionName: [UILabel]!
@IBOutlet var yourAnswer: [UILabel]!
@IBOutlet var correctAnswer: [UILabel]!

override func viewDidLoad() {
    super.viewDidLoad()

    // fill it with some examples
    questions.append(Question(question: "Question 1?", answers: ["Answer 1", "Answer 2", "Answer 3", "4", "Answer 5"], correctAnswer: 0, userAnswer: 1))
    questions.append(Question(question: "Question 2?", answers: ["Answer 1", "Answer 2", "Answer 3", "4", "Answer 5"], correctAnswer: 1, userAnswer: 2))
    questions.append(Question(question: "Question 3?", answers: ["Answer 1", "Answer 2", "Answer 3", "4", "Answer 5"], correctAnswer: 3, userAnswer: 3))

    // assure, that the necessary amount of labels exists
    guard questionName.count >= questions.count
        && yourAnswer.count >= questions.count
        && correctAnswer.count >= questions.count else {
        print("Not enough labels.")
        return
    }

    // starts at 0 and ends at last-1
    for i in 0..<questions.count {

        let q = questions[i]
        let user = q.answers[q.userAnswer]
        let correct = q.answers[q.correctAnswer]

        // set labels texts
        questionName[i].text = q.question
        yourAnswer[i].text = user
        correctAnswer[i].text = correct

        // correct answer is green, incorrect answer is red
        if q.correctAnswer == q.userAnswer {
            correctAnswerTotal += 1
            yourAnswer[i].textColor = UIColor.green
        } else {
            yourAnswer[i].textColor = UIColor.red
        }
    }
}

在一组按钮中打印整数数组，Swift

1 个答案: