Java를 사용하여 온라인 시험 시스템의 시험지 인쇄 기능을 작성하는 방법

<dependency>
    <groupId>org.apache.pdfbox</groupId>
    <artifactId>pdfbox</artifactId>
    <version>2.0.19</version>
</dependency>

public class ExamPaper {
    private List<Question> questions;
    
    // getter and setter methods
    
    // 添加题目
    public void addQuestion(Question question) {
        questions.add(question);
    }
    
    // 打印试卷
    public void print() {
        try {
            PDDocument document = new PDDocument();
            
            for (int i = 0; i < questions.size(); i++) {
                Question question = questions.get(i);
                
                PDPage page = new PDPage();
                document.addPage(page);
                
                PDPageContentStream contentStream = new PDPageContentStream(document, page);
                contentStream.setFont(PDType1Font.TIMES_ROMAN, 12);
                contentStream.newLineAtOffset(50, 700);
                contentStream.showText("Question " + (i+1) + ": " + question.getQuestionContent());
                
                // 打印选项和答案等信息
                
                contentStream.endText();
                contentStream.close();
            }
            
            document.save("exam_paper.pdf");
            document.close();
            
            System.out.println("试卷打印成功！");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

public class Question {
    private String questionContent;
    private List<String> options;
    private String answer;
    
    // getter and setter methods
    
    // 构造方法
    
    // 添加选项
    public void addOption(String option) {
        options.add(option);
    }
}

public class Main {
    public static void main(String[] args) {
        // 创建试卷对象
        ExamPaper examPaper = new ExamPaper();
        
        // 创建题目对象
        Question question1 = new Question("问题1的内容");
        question1.addOption("选项A");
        question1.addOption("选项B");
        question1.addOption("选项C");
        question1.setAnswer("答案A");
        
        // 将题目添加至试卷中
        examPaper.addQuestion(question1);
        
        // 打印试卷
        examPaper.print();
    }
}