我通常是敏捷和编程方面的初学者，我正在尝试制作一个测验应用程序，我希望该应用程序从开始屏幕转到选择菜单，然后再进入测验屏幕。
问题是当我按下第二个类别按钮时，它将带我到正确的视图控制器。但是它从第一个数组输出相同的问题和答案。我尝试将变量和数组设为私有，但这仍然行不通。
我在做什么错了？
> //StartScreen ViewContoller
import UIKit
class ViewController: UIViewController {
@IBAction func startButton(_ sender: Any) {
self.performSegue(withIdentifier: "StartToMenuSegue", sender: self)
}
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
}
> //Menu ViewController
import UIKit
class MenuViewController: UIViewController {
@IBAction func firstCategoryButton(_ sender: Any) {
self.performSegue(withIdentifier: "MenuToQuestions1Segue", sender: self)
}
@IBAction func secondCategoryButton(_ sender: Any) {
self.performSegue(withIdentifier: "MenuToQuestions2Segue", sender: self)
}
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
}
> //FirstCategoryQuestions
import UIKit
class Questions1ViewController: UIViewController {
private let questions1 = [
"Who created this app?",
"What was the 2017-2018 FBLA-PBL National Theme?",
"In what year did NYS FBLA recieve its National Charter?",
"Which of the following is a responsibility of ALL state officers?",
"One of the key responsibilites of the State Historian is:",
"Which of the following is a TRUE statement:"
]
private let answers1 = [
["Abdullah Bismil", "Duncan Sheen", "Avinash Gagai", "Christian Pascal"],
["Elevate Your Future", "A Legacy of Leadership", "Suit Up, Step Up",""],
["1964", "1960", "1972", "1972"],
["Compile and submit monthly correspondence", "Write and distribute the minutes of state officer meegins", "Plan and organize the Fall district meeting", ""],
["Create and publish a State Annuel Report", "Evaluate state vice presidents at designated times", "Review all reimbursement requests", ""],
["Only 3 candidates can run for any one election posistion", "Non-dues paying FBLA members are eligible to hold state office", "No approval is necessary for a FBLA member to run for state office", ""]
]
//variables
private var currentQestion1 = 0
private var rightAnswerPlacement1: UInt32 = 0
private var correct1 = 0
private var incorrect1 = 0
@IBOutlet weak var questionView: UILabel!
@IBAction func answerButtons(_ sender: AnyObject) {
if (sender.tag == Int(rightAnswerPlacement1)) {
print ("CORRECT")
correct1 += 1
} else {
print ("INCORRECT")
incorrect1 += 1
}
if (currentQestion1 != questions1.count) {
newQuestion1()
} else if (currentQestion1 == questions1.count) {
killCommand1()
}
}
override func viewDidAppear(_ animated: Bool) {
newQuestion1()
}
//function that displays new question
func newQuestion1() {
questionView.text = questions1[currentQestion1]
rightAnswerPlacement1 = arc4random_uniform(4) + 1
//create a button
var button:UIButton = UIButton()
var x = 1
for i in 1...4 {
//create a button
button = view.viewWithTag(i) as! UIButton
if (i == Int(rightAnswerPlacement1)) {
button.setTitle(answers1[currentQestion1][0], for: .normal)
} else {
button.setTitle(answers1[currentQestion1][x], for: .normal)
x += 1
}
}
currentQestion1 += 1
}
func killCommand1() {
self.performSegue(withIdentifier:"Questions1ToStartSegue", sender: self)
}
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
}
> //Second Category ViewController
import UIKit
class Questions2ViewController: UIViewController {
private let questions2 = ["Hello how Are you?", "What is my favorite color"]
private let answers2 = [["Good", "Fine", "OK", "Eh"], ["Blue", "Green", "Red", "Purple"]]
//variables
private var currentQestion2 = 0
private var rightAnswerPlacement2:UInt32 = 0
private var correct2 = 0
private var incorrect2 = 0
@IBOutlet weak var questionView2: UILabel!
@IBAction func answerButtons2(_ sender: AnyObject) {
if (sender.tag == Int(rightAnswerPlacement2)) {
print ("CORRECT")
correct2 += 1
} else {
print ("INCORRECT")
incorrect2 += 1
}
if (currentQestion2 != questions2.count) {
newQuestion2()
} else if (currentQestion2 == questions2.count) {
killCommand2()
}
}
override func viewDidAppear(_ animated: Bool) {
newQuestion2()
}
//function that displays new question
func newQuestion2() {
questionView2.text = questions2[currentQestion2]
rightAnswerPlacement2 = arc4random_uniform(4) + 1
//create a button
var button: UIButton = UIButton()
var x = 1
for i in 1...4 {
//create a button
button = view.viewWithTag(i) as! UIButton
if (i == Int(rightAnswerPlacement2)) {
button.setTitle(answers2[currentQestion2][0], for: .normal)
} else {
button.setTitle(answers2[currentQestion2][x], for: .normal)
x += 1
}
}
currentQestion2 += 1
}
func killCommand2() {
self.performSegue(withIdentifier:"Questions1ToStartSegue", sender: self)
}
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
}