//
//  ViewController.swift
//  Question
//
//  Created by Mac on 2023/3/26.
//import UIKit// ios 不需要导入文件class ViewController: UIViewController {var currentQuestionIndex = 0var score = 0@IBOutlet weak var questionLabel: UILabel!@IBOutlet weak var scoreLabel: UILabel!@IBOutlet weak var progressLabel: UILabel!@IBOutlet weak var progressBarViewWidth: NSLayoutConstraint!override func viewDidLoad() {super.viewDidLoad()// Do any additional setup after loading the view.questionLabel.text = questions[currentQuestionIndex].text}@IBAction func answerPressed(_ sender: UIButton) {checkAnswer(sender.tag) //判断用户是否回答正确,给出相应的提示框,并在回答正确时加1分currentQuestionIndex += 1 //本项目重点数据,当前问题所在的下标(索引)nextQuestion() //展示下一个问题,并在到达最后一问时处理相关数据和视图updateProgress() //更新问题序号和黄色进度条}func checkAnswer(_ tag: Int){if tag == 1{if questions[currentQuestionIndex].answer{ProgressHUD.showSucceed("答对了")score += 1updateScoreLabel()}else{ProgressHUD.showError("答错了")}}else{if questions[currentQuestionIndex].answer{ProgressHUD.showError("答错了")}else{ProgressHUD.showSucceed("答对了")score += 1updateScoreLabel()}}}func nextQuestion(){if currentQuestionIndex <= questions.count - 1 {updateQuestionText()}else{currentQuestionIndex = 0score = 0//handler和completion参数为闭包/回调函数,一般用在一怎么怎么就怎么怎么let alert = UIAlertController(title: "漂亮",message: "您已经完成了所有问题,要重新来一遍吗?",preferredStyle: .alert)//alert下面的按钮let action = UIAlertAction(title:"再来一遍", style: .default,handler: {_ inself.updateQuestionText()self.updateScoreLabel()})//把按钮添加到alert页面上去alert.addAction(action)//UIAlertController为UIViewController的子类,可以使用,后述present(alert, animated: true)}}func updateQuestionText(){questionLabel.text = questions[currentQuestionIndex].text}func updateScoreLabel(){scoreLabel.text = "总得分:\(score)"}func updateProgress(){progressLabel.text = "\(currentQuestionIndex + 1) / 13"// 下方进度条// 改变约束对象的constant属性完成进度功能progressBarViewWidth.constant = (view.frame.width / 13) * CGFloat(currentQuestionIndex)}
}

//
//  Question.swift
//  Question
//
//  Created by Mac on 2023/3/27.
//import Foundation// model
class Question{var text: Stringvar answer: Boolinit(text: String, answer: Bool) {self.text = textself.answer = answer}
}let questions = [Question(text: "马云是中国首富", answer: false),Question(text: "刘强东最早是在中关村卖光盘的", answer: true),Question(text: "苹果公司是目前世界上最牛的科技公司", answer: true),Question(text: "只要坚持下去就能学好代码吗", answer: true),Question(text: "王思聪是80后", answer: true),Question(text: "在国内可以正常访问google.com吗", answer: false),Question(text: "敲完1万行代码之后可以成为编程高手吗", answer: true),Question(text: "撒贝宁说过清华也还行吗", answer: false),Question(text: "一直听Lebus的课可以变成大牛吗", answer: true),Question(text: "网上说苹果不好用安卓好用的人大多数都是水军吗", answer: true),Question(text: "豆瓣网是一个和你分享刚编的故事的网站吗", answer: false),Question(text: "优酷比B站牛", answer: false),Question(text: "我帅吗？", answer: true)
]