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我有以下代碼。我想創建一些能夠產生某種解決方案的問題對象。快速指向?
這是我的問題對象:
class Question {
var question = String()
var answers = [String]?()
var prevQuestion:Question?
var followingQuestions:[Question]?
init (question: String, answers: [String]?) {
self.question = question
self.answers = answers
}
}
這是功能是應該做的問題數組對象(物體有沒有答案的問題是答案):
func initializeObjects() {
for i in 0...(questions.count - 1) {
questionObjects.append(Question(question: questions[i], answers: answers[i]))
}
// Q1
questionObjects[1 - 1].prevQuestion = nil
questionObjects[1 - 1].followingQuestions = [questionObjects[2 - 1], questionObjects[3 - 1]]
// Q2
questionObjects[2 - 1].prevQuestion = questionObjects[1 - 1]
questionObjects[2 - 1].followingQuestions = [questionObjects[4 - 1], questionObjects[6 - 1]]
// Q3
questionObjects[3 - 1].prevQuestion = questionObjects[1 - 1]
questionObjects[3 - 1].followingQuestions = [questionObjects[5 - 1], questionObjects[8 - 1]]
// Q4
questionObjects[4 - 1].prevQuestion = questionObjects[2 - 1]
questionObjects[4 - 1].followingQuestions = [questionObjects[9 - 1]]
// Q5
questionObjects[5 - 1].prevQuestion = questionObjects[3 - 1]
questionObjects[5 - 1].followingQuestions = [questionObjects[8 - 1], questionObjects[11 - 1]]
// Q6
questionObjects[6 - 1].prevQuestion = questionObjects[2 - 1]
questionObjects[6 - 1].followingQuestions = [questionObjects[16 - 1], questionObjects[7 - 1]]
// Q7
questionObjects[7 - 1].prevQuestion = questionObjects[6 - 1]
questionObjects[7 - 1].followingQuestions = [questionObjects[17 - 1], questionObjects[13 - 1]]
// and so on ...
} // end of initializeObjects()
但問題是, ,例如在問題#3中,我想把問題#5作爲以下問題之一。但它尚未完全配置。所以我想在這個問題上提出解決方案,以便在其中完成日期數據。有可能做到這一點?或者有另一種方式?非常感謝。
您發佈的代碼究竟發生了什麼問題? –
現在我覺得很蠢。可能沒什麼。我在操場上測試過它,它給了我奇怪的結果,我無法弄清楚什麼是錯誤的,但現在它似乎正常工作。所以請抱歉,謝謝你的意願 – Lachtan