From 770eff5664f7a814bc77b2f3a64462b361cc4637 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=BB=84=E5=9F=B9=E6=AF=85?= <2642034697@qq.com> Date: Sun, 28 Sep 2025 20:52:53 +0800 Subject: [PATCH] 123 --- src/JuniorQuestionGenerator.java | 50 +-- src/MathExamGenerator.class | Bin 9969 -> 10023 bytes src/MathExamGenerator.java | 542 +++++++++++++++--------------- src/PrimaryQuestionGenerator.java | 60 ++-- src/QuestionGenerator.java | 14 +- src/SeniorQuestionGenerator.java | 36 +- src/UserInfo.java | 84 ++--- 7 files changed, 393 insertions(+), 393 deletions(-) diff --git a/src/JuniorQuestionGenerator.java b/src/JuniorQuestionGenerator.java index eaad998..e18a9c1 100644 --- a/src/JuniorQuestionGenerator.java +++ b/src/JuniorQuestionGenerator.java @@ -5,32 +5,32 @@ import java.util.Random; * 生成适合初中生的数学题目，包含平方和开根号运算 */ public class JuniorQuestionGenerator implements QuestionGenerator { - @Override - public String generateQuestion(StringBuilder question, Random random) { - // 确保所有初中题目都包含至少一个平方或开根号的运算符 - int num = random.nextInt(100) + 1; - boolean isSquare = random.nextBoolean(); + @Override + public String generateQuestion(StringBuilder question, Random random) { + // 确保所有初中题目都包含至少一个平方或开根号的运算符 + int num = random.nextInt(100) + 1; + boolean isSquare = random.nextBoolean(); - if (isSquare) { - // 生成平方题 - question.append(num).append("^2"); - } else { - // 生成开根号题，确保是完全平方数 - int sqrtNum = random.nextInt(10) + 1; - num = sqrtNum * sqrtNum; - question.append("√").append(num); - } - - // 添加一些其他运算符使题目更复杂 - int complexity = random.nextInt(2) + 1; - for (int i = 0; i < complexity; i++) { - String[] operators = {"+", "-", "*"}; - String op = operators[random.nextInt(operators.length)]; - int addNum = random.nextInt(10) + 1; - question.append(" ").append(op).append(" ").append(addNum); - } + if (isSquare) { + // 生成平方题 + question.append(num).append("^2"); + } else { + // 生成开根号题，确保是完全平方数 + int sqrtNum = random.nextInt(10) + 1; + num = sqrtNum * sqrtNum; + question.append("√").append(num); + } - question.append(" = ?"); - return question.toString(); + // 添加一些其他运算符使题目更复杂 + int complexity = random.nextInt(2) + 1; + for (int i = 0; i < complexity; i++) { + String[] operators = {"+", "-", "*"}; + String op = operators[random.nextInt(operators.length)]; + int addNum = random.nextInt(10) + 1; + question.append(" ").append(op).append(" ").append(addNum); } + + question.append(" = ?"); + return question.toString(); + } } \ No newline at end of file diff --git a/src/MathExamGenerator.class b/src/MathExamGenerator.class index a2c488292dbd6d16e854715cc62a08a8a0a2556d..909c0b16f7b069c29d6aa2ee680d4cd45b925032 100644 GIT binary patch delta 4704 zcmZu!30PIt7XH_r&gR^6(XKLv2#SIX;#`vAkU4_oEM=vpmT6XoW|m#E92(5>REA{^ zsi!a2@{R+m)1@y{B0ui6He(NwI=2Wv=AjOC2p;Hlz4UN z;~HZ4*%IX!Q~Z9hB%npKAr1VM~AAypja&N)oj=UrCaZCQ6c( zG*yzKXHE@i*-S}uC22}p=y5HTq$|l#(#n)f$t%D4wAStCU=AhPdKrL&lhxC1aIbqjxY)$#_F1m~yRLXUIfTu9r!M zOjdG(iFs0F$P^Rz>c!^CjZvKFCPQvEWU3*zm{_FOdr*o^ER<16gncWciCLmsdbJk6!8-PP0Avyi~s_j<}a#|?SV&i5vIMjEon9_4N2 zy;+c+VK4He+0S`9y2Gfj4|p$V{*WaP%VL4MPtO5{*p@sZk6H-JV_Gb+)-(mV@iJ{PNNRhn}xEJb&SV$2LV; 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* 主类，负责用户登录、题目生成和文件操作 */ public class MathExamGenerator { - // 预设的用户账号信息 - private static final Map USER_ACCOUNTS = new HashMap<>(); - - // 当前登录用户信息 - private static UserInfo currentUser = null; - // 已生成的题目集，用于检查重复 - private static final Set generatedQuestions = new HashSet<>(); - - private static boolean isRunning = true; - - static { - // 初始化小学、初中和高中各三个账号 - // 小学账户 - USER_ACCOUNTS.put("张三1", new UserInfo("张三1", "123", "小学")); - USER_ACCOUNTS.put("张三2", new UserInfo("张三2", "123", "小学")); - USER_ACCOUNTS.put("张三3", new UserInfo("张三3", "123", "小学")); - - // 初中账户 - USER_ACCOUNTS.put("李四1", new UserInfo("李四1", "123", "初中")); - USER_ACCOUNTS.put("李四2", new UserInfo("李四2", "123", "初中")); - USER_ACCOUNTS.put("李四3", new UserInfo("李四3", "123", "初中")); - - // 高中账户 - USER_ACCOUNTS.put("王五1", new UserInfo("王五1", "123", "高中")); - USER_ACCOUNTS.put("王五2", new UserInfo("王五2", "123", "高中")); - USER_ACCOUNTS.put("王五3", new UserInfo("王五3", "123", "高中")); - } - - public static void main(String[] args) { - // 使用BufferedReader配合InputStreamReader，明确指定GBK编码 - try (BufferedReader reader = new BufferedReader( - new InputStreamReader(System.in, Charset.forName("GBK")))) { - - System.out.println("欢迎使用中小学数学卷子自动生成程序"); - System.out.println("请使用您的账号和密码登录（格式：用户名 密码）"); - - while (isRunning) { - if (currentUser == null) { - handleLogIn(reader); - } else { - handleRequirement(reader); - } - } - } catch (IOException e) { - System.out.println("输入输出错误：" + e.getMessage()); - } - } - public static void handleLogIn(BufferedReader reader) throws IOException { - // 用户未登录，显示登录提示 - System.out.print("请输入用户名和密码（用空格隔开,输入exit退出）："); - String input = reader.readLine(); - - if (input == null || input.trim().isEmpty()) { - System.out.println("输入不能为空，请重新输入"); - return; - } else if (input.equals("exit")) { - isRunning = false; - return; - } - - String[] parts = input.split(" "); - - if (parts.length == 2) { - String username = parts[0]; - String password = parts[1]; - // 验证用户登录 - boolean loginSuccess = false; - for (Map.Entry entry : USER_ACCOUNTS.entrySet()) { - if (entry.getValue().getUsername().equals(username) && - entry.getValue().getPassword().equals(password)) { - currentUser = entry.getValue(); - loginSuccess = true; - break; - } - } - if (loginSuccess) { - System.out.println("登录成功！当前选择为" + currentUser.getUserType() + "出题"); - System.out.println("提示：您可以输入'切换为小学'、'切换为初中'或'切换为高中'来切换题目难度"); - handleUserChoice(); - loadExistingQuestions(); - } else { - System.out.println("登录失败，请输入正确的用户名和密码"); - } + // 预设的用户账号信息 + private static final Map USER_ACCOUNTS = new HashMap<>(); + + // 当前登录用户信息 + private static UserInfo currentUser = null; + // 已生成的题目集，用于检查重复 + private static final Set generatedQuestions = new HashSet<>(); + + private static boolean isRunning = true; + + static { + // 初始化小学、初中和高中各三个账号 + // 小学账户 + USER_ACCOUNTS.put("张三1", new UserInfo("张三1", "123", "小学")); + USER_ACCOUNTS.put("张三2", new UserInfo("张三2", "123", "小学")); + USER_ACCOUNTS.put("张三3", new UserInfo("张三3", "123", "小学")); + + // 初中账户 + USER_ACCOUNTS.put("李四1", new UserInfo("李四1", "123", "初中")); + USER_ACCOUNTS.put("李四2", new UserInfo("李四2", "123", "初中")); + USER_ACCOUNTS.put("李四3", new UserInfo("李四3", "123", "初中")); + + // 高中账户 + USER_ACCOUNTS.put("王五1", new UserInfo("王五1", "123", "高中")); + USER_ACCOUNTS.put("王五2", new UserInfo("王五2", "123", "高中")); + USER_ACCOUNTS.put("王五3", new UserInfo("王五3", "123", "高中")); + } + + public static void main(String[] args) { + // 使用BufferedReader配合InputStreamReader，明确指定GBK编码 + try (BufferedReader reader = new BufferedReader( + new InputStreamReader(System.in, Charset.forName("GBK")))) { + + System.out.println("欢迎使用中小学数学卷子自动生成程序"); + System.out.println("请使用您的账号和密码登录（格式：用户名 密码）"); + + while (isRunning) { + if (currentUser == null) { + handleLogIn(reader); } else { - System.out.println("输入格式错误，请用空格分隔用户名和密码"); + handleRequirement(reader); } + } + } catch (IOException e) { + System.out.println("输入输出错误：" + e.getMessage()); } - private static void handleRequirement(BufferedReader reader) throws IOException { - // 用户已登录，显示题目数量输入提示 - System.out.print("准备生成" + currentUser.getUserType() + - "数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）："); - String input = reader.readLine(); - if (input == null || input.trim().isEmpty()) { - return; - } - // 检查是否为切换类型命令 - if (input.startsWith("切换为")) { - String targetType = input.substring(3).trim(); - if ("小学".equals(targetType) || "初中".equals(targetType) || "高中".equals(targetType)) { - currentUser.setUserType(targetType); - System.out.println("切换成功！准备生成" + currentUser.getUserType() + "数学题目，请输入生成题目数量"); - } else { - System.out.println("切换类型错误，请输入'切换为小学'、'切换为初中'或'切换为高中'"); - } - return; - } - - try { - int questionCount = Integer.parseInt(input); - - if (questionCount == -1) { - // 退出登录 - currentUser = null; - generatedQuestions.clear(); - System.out.println("已退出登录"); - } else if (questionCount >= 10 && questionCount <= 30) { - // 生成题目 - generateExam(questionCount); - } else { - System.out.println("题目数量必须在10-30之间"); - } - } catch (NumberFormatException e) { - System.out.println("请输入有效的数字"); - } + } + public static void handleLogIn(BufferedReader reader) throws IOException { + // 用户未登录，显示登录提示 + System.out.print("请输入用户名和密码（用空格隔开,输入exit退出）："); + String input = reader.readLine(); + + if (input == null || input.trim().isEmpty()) { + System.out.println("输入不能为空，请重新输入"); + return; + } else if (input.equals("exit")) { + isRunning = false; + return; } - // 生成试卷 - private static void generateExam(int questionCount) { - List questions = generateUniqueQuestions(questionCount); - // 保存试卷到文件 - saveExamToFile(questions); - - System.out.println("已成功生成" + questions.size() + "道" + currentUser.getUserType() + "数学题目"); + String[] parts = input.split(" "); + + if (parts.length == 2) { + String username = parts[0]; + String password = parts[1]; + // 验证用户登录 + boolean loginSuccess = false; + for (Map.Entry entry : USER_ACCOUNTS.entrySet()) { + if (entry.getValue().getUsername().equals(username) && + entry.getValue().getPassword().equals(password)) { + currentUser = entry.getValue(); + loginSuccess = true; + break; + } + } + if (loginSuccess) { + System.out.println("登录成功！当前选择为" + currentUser.getUserType() + "出题"); + System.out.println("提示：您可以输入'切换为小学'、'切换为初中'或'切换为高中'来切换题目难度"); handleUserChoice(); + loadExistingQuestions(); + } else { + System.out.println("登录失败，请输入正确的用户名和密码"); + } + } else { + System.out.println("输入格式错误，请用空格分隔用户名和密码"); } - - // 生成不重复的题目 - private static List generateUniqueQuestions(int questionCount) { - List questions = new ArrayList<>(); - Random random = new Random(); - int attempts = 0; - int maxAttempts = questionCount * 3; // 最多尝试次数，避免死循环 - - while (questions.size() < questionCount && attempts < maxAttempts) { - String question = generateQuestion(); - if (!generatedQuestions.contains(question)) { - questions.add(question); - generatedQuestions.add(question); - } - attempts++; - } - - return questions; + } + private static void handleRequirement(BufferedReader reader) throws IOException { + // 用户已登录，显示题目数量输入提示 + System.out.print("准备生成" + currentUser.getUserType() + + "数学题目，请输入生成题目数量（输入-1将退出当前用户，重新登录）："); + String input = reader.readLine(); + if (input == null || input.trim().isEmpty()) { + return; + } + // 检查是否为切换类型命令 + if (input.startsWith("切换为")) { + String targetType = input.substring(3).trim(); + if ("小学".equals(targetType) || "初中".equals(targetType) || "高中".equals(targetType)) { + currentUser.setUserType(targetType); + System.out.println("切换成功！准备生成" + currentUser.getUserType() + "数学题目，请输入生成题目数量"); + } else { + System.out.println("切换类型错误，请输入'切换为小学'、'切换为初中'或'切换为高中'"); + } + return; } - // 处理用户生成试卷后的选择 - private static void handleUserChoice() { - System.out.println("请选择："); - System.out.println("1. 生成题目"); - System.out.println("2. 切换题目难度"); - System.out.println("3. 退出当前用户"); - System.out.println("4. 退出程序"); - - try { - BufferedReader reader = new BufferedReader( - new InputStreamReader(System.in, Charset.forName("GBK"))); - String choice = reader.readLine(); - - switch (choice) { - case "2": - handleDifficultySwitch(); - break; - case "3": - currentUser = null; - generatedQuestions.clear(); - System.out.println("已退出登录"); - break; - case "1": - break; - case "4": - isRunning = false; - break; - default: - System.out.println("无效的选项，请重新输入"); - handleUserChoice(); - break; - } - } catch (IOException e) { - System.out.println("输入错误：" + e.getMessage()); - } + try { + int questionCount = Integer.parseInt(input); + + if (questionCount == -1) { + // 退出登录 + currentUser = null; + generatedQuestions.clear(); + System.out.println("已退出登录"); + } else if (questionCount >= 10 && questionCount <= 30) { + // 生成题目 + generateExam(questionCount); + } else { + System.out.println("题目数量必须在10-30之间"); + } + } catch (NumberFormatException e) { + System.out.println("请输入有效的数字"); } + } + // 生成试卷 + private static void generateExam(int questionCount) { + List questions = generateUniqueQuestions(questionCount); - // 处理难度切换 - private static void handleDifficultySwitch() { - try { - BufferedReader reader = new BufferedReader( - new InputStreamReader(System.in, Charset.forName("GBK"))); - - while (true) { - System.out.print("请输入目标难度（小学/初中/高中）："); - String targetType = reader.readLine(); - - if ("小学".equals(targetType) || "初中".equals(targetType) || "高中".equals(targetType)) { - currentUser.setUserType(targetType); - System.out.println("已切换为" + targetType + "难度"); - break; - } else { - System.out.println("难度类型错误，请重新输入"); - } - } - } catch (IOException e) { - System.out.println("输入错误：" + e.getMessage()); - } + // 保存试卷到文件 + saveExamToFile(questions); + + System.out.println("已成功生成" + questions.size() + "道" + currentUser.getUserType() + "数学题目"); + handleUserChoice(); + } + + // 生成不重复的题目 + private static List generateUniqueQuestions(int questionCount) { + List questions = new ArrayList<>(); + Random random = new Random(); + int attempts = 0; + int maxAttempts = questionCount * 3; // 最多尝试次数，避免死循环 + + while (questions.size() < questionCount && attempts < maxAttempts) { + String question = generateQuestion(); + if (!generatedQuestions.contains(question)) { + questions.add(question); + generatedQuestions.add(question); + } + attempts++; } - // 根据用户类型获取对应的题目生成器 - private static QuestionGenerator getQuestionGenerator() { - if ("小学".equals(currentUser.getUserType())) { - return new PrimaryQuestionGenerator(); - } else if ("初中".equals(currentUser.getUserType())) { - return new JuniorQuestionGenerator(); - } else if ("高中".equals(currentUser.getUserType())) { - return new SeniorQuestionGenerator(); + return questions; + } + + // 处理用户生成试卷后的选择 + private static void handleUserChoice() { + System.out.println("请选择："); + System.out.println("1. 生成题目"); + System.out.println("2. 切换题目难度"); + System.out.println("3. 退出当前用户"); + System.out.println("4. 退出程序"); + + try { + BufferedReader reader = new BufferedReader( + new InputStreamReader(System.in, Charset.forName("GBK"))); + String choice = reader.readLine(); + + switch (choice) { + case "2": + handleDifficultySwitch(); + break; + case "3": + currentUser = null; + generatedQuestions.clear(); + System.out.println("已退出登录"); + break; + case "1": + break; + case "4": + isRunning = false; + break; + default: + System.out.println("无效的选项，请重新输入"); + handleUserChoice(); + break; + } + } catch (IOException e) { + System.out.println("输入错误：" + e.getMessage()); + } + } + + // 处理难度切换 + private static void handleDifficultySwitch() { + try { + BufferedReader reader = new BufferedReader( + new InputStreamReader(System.in, Charset.forName("GBK"))); + + while (true) { + System.out.print("请输入目标难度（小学/初中/高中）："); + String targetType = reader.readLine(); + + if ("小学".equals(targetType) || "初中".equals(targetType) || "高中".equals(targetType)) { + currentUser.setUserType(targetType); + System.out.println("已切换为" + targetType + "难度"); + break; + } else { + System.out.println("难度类型错误，请重新输入"); } - return null; + } + } catch (IOException e) { + System.out.println("输入错误：" + e.getMessage()); } + } + + // 根据用户类型获取对应的题目生成器 + private static QuestionGenerator getQuestionGenerator() { + if ("小学".equals(currentUser.getUserType())) { + return new PrimaryQuestionGenerator(); + } else if ("初中".equals(currentUser.getUserType())) { + return new JuniorQuestionGenerator(); + } else if ("高中".equals(currentUser.getUserType())) { + return new SeniorQuestionGenerator(); + } + return null; + } - // 根据用户类型生成题目 - private static String generateQuestion() { - StringBuilder question = new StringBuilder(); - Random random = new Random(); - QuestionGenerator generator = getQuestionGenerator(); - - if (generator != null) { - return generator.generateQuestion(question, random); - } + // 根据用户类型生成题目 + private static String generateQuestion() { + StringBuilder question = new StringBuilder(); + Random random = new Random(); + QuestionGenerator generator = getQuestionGenerator(); - return "题目生成错误"; + if (generator != null) { + return generator.generateQuestion(question, random); } - // 加载已存在的题目，避免重复 - private static void loadExistingQuestions() { - if (currentUser == null) return; - try { - String userDir = currentUser.getUsername(); - File dir = new File(userDir); - - if (dir.exists() && dir.isDirectory()) { - File[] files = dir.listFiles(); - if (files != null) { - for (File file : files) { - if (file.isFile() && file.getName().endsWith(".txt")) { - try (BufferedReader reader = new BufferedReader( - new InputStreamReader(new FileInputStream(file), Charset.forName("GBK")))) { - String line; - while ((line = reader.readLine()) != null) { - line = line.trim(); - if (!line.isEmpty() && !line.matches("^\\d+\\.")) { - generatedQuestions.add(line); - } - } - } - } - } + return "题目生成错误"; + } + + // 加载已存在的题目，避免重复 + private static void loadExistingQuestions() { + if (currentUser == null) return; + try { + String userDir = currentUser.getUsername(); + File dir = new File(userDir); + + if (dir.exists() && dir.isDirectory()) { + File[] files = dir.listFiles(); + if (files != null) { + for (File file : files) { + if (file.isFile() && file.getName().endsWith(".txt")) { + try (BufferedReader reader = new BufferedReader( + new InputStreamReader(new FileInputStream(file), Charset.forName("GBK")))) { + String line; + while ((line = reader.readLine()) != null) { + line = line.trim(); + if (!line.isEmpty() && !line.matches("^\\d+\\.")) { + generatedQuestions.add(line); + } } + } } - } catch (IOException e) { - System.out.println("加载已存在题目时出错：" + e.getMessage()); + } } + } + } catch (IOException e) { + System.out.println("加载已存在题目时出错：" + e.getMessage()); } - - // 保存试卷到文件 - private static void saveExamToFile(List questions) { - try { - // 创建用户目录（相对路径） - String userDir = currentUser.getUsername(); - Files.createDirectories(Paths.get(userDir)); - - // 生成文件名：年-月-日-时-分-秒.txt - String timestamp = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date()); - String filePath = userDir + File.separator + timestamp + ".txt"; - - try (BufferedWriter writer = new BufferedWriter( - new OutputStreamWriter(new FileOutputStream(filePath), Charset.forName("GBK")))) { - for (int i = 0; i < questions.size(); i++) { - writer.write((i + 1) + ". " + questions.get(i)); - writer.newLine(); - if (i < questions.size() - 1) { - writer.newLine(); // 题目之间空一行 - } - } - } - } catch (IOException e) { - System.out.println("保存试卷时出错：" + e.getMessage()); + } + + // 保存试卷到文件 + private static void saveExamToFile(List questions) { + try { + // 创建用户目录（相对路径） + String userDir = currentUser.getUsername(); + Files.createDirectories(Paths.get(userDir)); + + // 生成文件名：年-月-日-时-分-秒.txt + String timestamp = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date()); + String filePath = userDir + File.separator + timestamp + ".txt"; + + try (BufferedWriter writer = new BufferedWriter( + new OutputStreamWriter(new FileOutputStream(filePath), Charset.forName("GBK")))) { + for (int i = 0; i < questions.size(); i++) { + writer.write((i + 1) + ". " + questions.get(i)); + writer.newLine(); + if (i < questions.size() - 1) { + writer.newLine(); // 题目之间空一行 + } } + } + } catch (IOException e) { + System.out.println("保存试卷时出错：" + e.getMessage()); } + } } \ No newline at end of file diff --git a/src/PrimaryQuestionGenerator.java b/src/PrimaryQuestionGenerator.java index a846199..10887e0 100644 --- a/src/PrimaryQuestionGenerator.java +++ b/src/PrimaryQuestionGenerator.java @@ -5,37 +5,37 @@ import java.util.Random; * 生成适合小学生的数学题目 */ public class PrimaryQuestionGenerator implements QuestionGenerator { - @Override - public String generateQuestion(StringBuilder question, Random random) { - int num1 = random.nextInt(100) + 1; // 1-100的随机数 - int num2 = random.nextInt(100) + 1; - String[] operators = {"+", "-", "*", "/"}; - String op = operators[random.nextInt(operators.length)]; + @Override + public String generateQuestion(StringBuilder question, Random random) { + int num1 = random.nextInt(100) + 1; // 1-100的随机数 + int num2 = random.nextInt(100) + 1; + String[] operators = {"+", "-", "*", "/"}; + String op = operators[random.nextInt(operators.length)]; - // 确保减法和除法结果为正整数 - if ("-".equals(op) && num1 < num2) { - int temp = num1; - num1 = num2; - num2 = temp; - } else if ("/".equals(op)) { - // 确保除法结果为整数 - num1 = num2 * (random.nextInt(10) + 1); - } - - // 10%的概率添加括号 - if (random.nextDouble() < 0.1) { - question.append("("); - question.append(num1); - question.append(" ").append(op).append(" "); - question.append(num2); - question.append(")"); - } else { - question.append(num1); - question.append(" ").append(op).append(" "); - question.append(num2); - } + // 确保减法和除法结果为正整数 + if ("-".equals(op) && num1 < num2) { + int temp = num1; + num1 = num2; + num2 = temp; + } else if ("/".equals(op)) { + // 确保除法结果为整数 + num1 = num2 * (random.nextInt(10) + 1); + } - question.append(" = ?"); - return question.toString(); + // 10%的概率添加括号 + if (random.nextDouble() < 0.1) { + question.append("("); + question.append(num1); + question.append(" ").append(op).append(" "); + question.append(num2); + question.append(")"); + } else { + question.append(num1); + question.append(" ").append(op).append(" "); + question.append(num2); } + + question.append(" = ?"); + return question.toString(); + } } \ No newline at end of file diff --git a/src/QuestionGenerator.java b/src/QuestionGenerator.java index 1f99877..31b5906 100644 --- a/src/QuestionGenerator.java +++ b/src/QuestionGenerator.java @@ -5,11 +5,11 @@ import java.util.Random; * 定义生成数学题目的基本方法 */ public interface QuestionGenerator { - /** - * 生成一道数学题目 - * @param question 用于构建题目的StringBuilder - * @param random 随机数生成器 - * @return 生成的题目字符串 - */ - String generateQuestion(StringBuilder question, Random random); + /** + * 生成一道数学题目 + * @param question 用于构建题目的StringBuilder + * @param random 随机数生成器 + * @return 生成的题目字符串 + */ + String generateQuestion(StringBuilder question, Random random); } \ No newline at end of file diff --git a/src/SeniorQuestionGenerator.java b/src/SeniorQuestionGenerator.java index 465fe65..0444394 100644 --- a/src/SeniorQuestionGenerator.java +++ b/src/SeniorQuestionGenerator.java @@ -5,25 +5,25 @@ import java.util.Random; * 生成适合高中生的数学题目，包含三角函数运算 */ public class SeniorQuestionGenerator implements QuestionGenerator { - @Override - public String generateQuestion(StringBuilder question, Random random) { - // 确保所有高中题目都包含至少一个sin、cos或tan的运算符 - String[] functions = {"sin(", "cos(", "tan("}; - String func = functions[random.nextInt(functions.length)]; - int angle = random.nextInt(100)+1; + @Override + public String generateQuestion(StringBuilder question, Random random) { + // 确保所有高中题目都包含至少一个sin、cos或tan的运算符 + String[] functions = {"sin(", "cos(", "tan("}; + String func = functions[random.nextInt(functions.length)]; + int angle = random.nextInt(100)+1; - question.append(func).append(angle).append(")"); + question.append(func).append(angle).append(")"); - // 添加一些其他运算符使题目更复杂 - int complexity = random.nextInt(3); - for (int i = 0; i < complexity; i++) { - String[] operators = {"+", "-", "*", "/"}; - String op = operators[random.nextInt(operators.length)]; - int num = random.nextInt(10) + 1; - question.append(" ").append(op).append(" " ).append(num); - } - - question.append(" = ?"); - return question.toString(); + // 添加一些其他运算符使题目更复杂 + int complexity = random.nextInt(3); + for (int i = 0; i < complexity; i++) { + String[] operators = {"+", "-", "*", "/"}; + String op = operators[random.nextInt(operators.length)]; + int num = random.nextInt(10) + 1; + question.append(" ").append(op).append(" " ).append(num); } + + question.append(" = ?"); + return question.toString(); + } } \ No newline at end of file diff --git a/src/UserInfo.java b/src/UserInfo.java index 8513036..d85f127 100644 --- a/src/UserInfo.java +++ b/src/UserInfo.java @@ -3,51 +3,51 @@ * 存储用户的基本信息，包括用户名、密码和用户类型 */ public class UserInfo { - private String username; - private String password; - private String userType; + private String username; + private String password; + private String userType; - /** - * 构造函数 - * @param username 用户名 - * @param password 密码 - * @param userType 用户类型（小学/初中/高中） - */ - public UserInfo(String username, String password, String userType) { - this.username = username; - this.password = password; - this.userType = userType; - } + /** + * 构造函数 + * @param username 用户名 + * @param password 密码 + * @param userType 用户类型（小学/初中/高中） + */ + public UserInfo(String username, String password, String userType) { + this.username = username; + this.password = password; + this.userType = userType; + } - /** - * 获取用户名 - * @return 用户名 - */ - public String getUsername() { - return username; - } + /** + * 获取用户名 + * @return 用户名 + */ + public String getUsername() { + return username; + } - /** - * 获取密码 - * @return 密码 - */ - public String getPassword() { - return password; - } + /** + * 获取密码 + * @return 密码 + */ + public String getPassword() { + return password; + } - /** - * 获取用户类型 - * @return 用户类型 - */ - public String getUserType() { - return userType; - } + /** + * 获取用户类型 + * @return 用户类型 + */ + public String getUserType() { + return userType; + } - /** - * 设置用户类型 - * @param userType 用户类型 - */ - public void setUserType(String userType) { - this.userType = userType; - } + /** + * 设置用户类型 + * @param userType 用户类型 + */ + public void setUserType(String userType) { + this.userType = userType; + } } \ No newline at end of file