ADD file via upload

src/QuestionManager.java

@@ -0,0 +1,94 @@
+import java.io.*;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class QuestionManager {
+	private QuestionGenerator generator;
+    private String currentRole;
+    private String username;
+    private static final String QUESTIONS_DIR = "questions";
+    
+    public QuestionManager(String username, String role) {
+        this.username = username;
+        setRole(role);
+        createQuestionsDirectory();
+    }
+    
+    public void setRole(String role) {
+        this.currentRole = role;
+        switch (role) {
+            case "primary":
+                generator = new PrimaryQuestionGenerator();
+                break;
+            case "junior":
+                generator = new JuniorQuestionGenerator();
+                break;
+            case "senior":
+                generator = new SeniorQuestionGenerator();
+                break;
+        }
+    }
+    
+    // 创建questions目录
+    private void createQuestionsDirectory() {
+        File questionsDir = new File(QUESTIONS_DIR);
+        if (!questionsDir.exists()) {
+            questionsDir.mkdir();
+        }
+        
+        // 创建用户子目录
+        File userDir = new File(questionsDir, username);
+        if (!userDir.exists()) {
+            userDir.mkdir();
+        }
+    }
+    
+    public void generateQuestions(int count) {
+        if (count < 10 || count > 30) {
+            System.out.println("题目数量应在10~30之间");
+            return;
+        }
+        
+        // 使用questions目录下的用户文件夹
+        File userDir = new File(QUESTIONS_DIR, username);
+        if (!userDir.exists()) {
+            userDir.mkdir();
+        }
+        
+        // 生成文件名
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
+        String fileName = sdf.format(new Date()) + ".txt";
+        File outputFile = new File(userDir, fileName);
+        
+        try (PrintWriter writer = new PrintWriter(new FileWriter(outputFile))) {
+            for (int i = 1; i <= count; i++) {
+                String question = generator.generateQuestion();
+                writer.println(i + ". " + question);
+                if (i < count) {
+                    writer.println(); // 题目之间空一行
+                }
+            }
+            System.out.println("题目已生成到: " + outputFile.getPath());
+        } catch (IOException e) {
+            System.out.println("生成题目时出错: " + e.getMessage());
+        }
+    }
+    
+    public String getCurrentRoleChinese() {
+        switch (currentRole) {
+            case "primary": return "小学";
+            case "junior": return "初中";
+            case "senior": return "高中";
+            default: return "未知";
+        }
+    }
+    
+    // 获取指定用户的所有题目文件（用于查重功能）
+    public static File[] getUserQuestionFiles(String username) {
+        File userDir = new File(QUESTIONS_DIR, username);
+        if (userDir.exists() && userDir.isDirectory()) {
+            return userDir.listFiles((dir, name) -> name.endsWith(".txt"));
+        }
+        return new File[0];
+    }
+}