diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..35410ca
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..e9710cf
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..9ea5392
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/math_exam_generator2.iml b/math_exam_generator2.iml
new file mode 100644
index 0000000..c90834f
--- /dev/null
+++ b/math_exam_generator2.iml
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/Info.class b/src/Info.class
new file mode 100644
index 0000000..6c580e7
Binary files /dev/null and b/src/Info.class differ
diff --git a/src/Info.java b/src/Info.java
new file mode 100644
index 0000000..9a06250
--- /dev/null
+++ b/src/Info.java
@@ -0,0 +1,2 @@
+public interface Info {
+}
diff --git a/src/JuniorQuestionGenerator.class b/src/JuniorQuestionGenerator.class
new file mode 100644
index 0000000..754cb5e
Binary files /dev/null and b/src/JuniorQuestionGenerator.class differ
diff --git a/src/JuniorQuestionGenerator.java b/src/JuniorQuestionGenerator.java
new file mode 100644
index 0000000..eaad998
--- /dev/null
+++ b/src/JuniorQuestionGenerator.java
@@ -0,0 +1,36 @@
+import java.util.Random;
+
+/**
+ * 初中题目生成器实现
+ * 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();
+
+ 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);
+ }
+
+ question.append(" = ?");
+ return question.toString();
+ }
+}
\ No newline at end of file
diff --git a/src/MathExamGenerator.class b/src/MathExamGenerator.class
new file mode 100644
index 0000000..7a7e19e
Binary files /dev/null and b/src/MathExamGenerator.class differ
diff --git a/src/MathExamGenerator.java b/src/MathExamGenerator.java
new file mode 100644
index 0000000..0eff0f6
--- /dev/null
+++ b/src/MathExamGenerator.java
@@ -0,0 +1,306 @@
+import java.io.*;
+import java.nio.charset.Charset;
+import java.nio.file.*;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+/**
+ * 中小学数学卷子自动生成程序
+ * 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()) {
+ 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");
+ }
+ } else {
+ System.out.println("输入格式错误，请用空格分隔用户名和密码");
+ }
+ }
+ 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");
+ }
+ }
+ // 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");
+ 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++;
+ }
+
+ 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:
+ // 继续生成题目，不需要额外操作
+ 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");
+ }
+ }
+ } 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);
+ }
+
+ 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());
+ }
+ }
+
+ // 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.class b/src/PrimaryQuestionGenerator.class
new file mode 100644
index 0000000..cd819b7
Binary files /dev/null and b/src/PrimaryQuestionGenerator.class differ
diff --git a/src/PrimaryQuestionGenerator.java b/src/PrimaryQuestionGenerator.java
new file mode 100644
index 0000000..a846199
--- /dev/null
+++ b/src/PrimaryQuestionGenerator.java
@@ -0,0 +1,41 @@
+import java.util.Random;
+
+/**
+ * 小学题目生成器实现
+ * 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)];
+
+ // 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);
+ }
+
+ question.append(" = ?");
+ return question.toString();
+ }
+}
\ No newline at end of file
diff --git a/src/QuestionGenerator.class b/src/QuestionGenerator.class
new file mode 100644
index 0000000..bac5f6d
Binary files /dev/null and b/src/QuestionGenerator.class differ
diff --git a/src/QuestionGenerator.java b/src/QuestionGenerator.java
new file mode 100644
index 0000000..1f99877
--- /dev/null
+++ b/src/QuestionGenerator.java
@@ -0,0 +1,15 @@
+import java.util.Random;
+
+/**
+ * 题目生成器接口
+ * 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);
+}
\ No newline at end of file
diff --git a/src/SeniorQuestionGenerator.class b/src/SeniorQuestionGenerator.class
new file mode 100644
index 0000000..5204465
Binary files /dev/null and b/src/SeniorQuestionGenerator.class differ
diff --git a/src/SeniorQuestionGenerator.java b/src/SeniorQuestionGenerator.java
new file mode 100644
index 0000000..d7d2de6
--- /dev/null
+++ b/src/SeniorQuestionGenerator.java
@@ -0,0 +1,29 @@
+import java.util.Random;
+
+/**
+ * 高中题目生成器实现
+ * 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(180);
+
+ 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();
+ }
+}
\ No newline at end of file
diff --git a/src/UserInfo.class b/src/UserInfo.class
new file mode 100644
index 0000000..0820244
Binary files /dev/null and b/src/UserInfo.class differ
diff --git a/src/UserInfo.java b/src/UserInfo.java
new file mode 100644
index 0000000..0abbd06
--- /dev/null
+++ b/src/UserInfo.java
@@ -0,0 +1,53 @@
+/**
+ * 用户信息类
+ * 存储用户的基本信息，包括用户名、密码和用户类型
+ */
+public class UserInfo implements Info {
+ 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;
+ }
+
+ /**
+ * 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;
+ }
+}
\ No newline at end of file
diff --git a/src/张三2/2025-09-24-12-24-30.txt b/src/张三2/2025-09-24-12-24-30.txt
new file mode 100644
index 0000000..5112caa
--- /dev/null
+++ b/src/张三2/2025-09-24-12-24-30.txt
@@ -0,0 +1,39 @@
+1. 1 * 34 = ?
+
+2. 30 + 93 = ?
+
+3. 82 * 33 = ?
+
+4. 98 * 97 = ?
+
+5. 58 * 77 = ?
+
+6. 97 - 96 = ?
+
+7. 86 - 27 = ?
+
+8. 73 - 22 = ?
+
+9. 52 + 5 = ?
+
+10. 42 - 6 = ?
+
+11. 72 * 62 = ?
+
+12. 60 - 23 = ?
+
+13. 43 - 37 = ?
+
+14. 198 / 99 = ?
+
+15. 4 / 1 = ?
+
+16. 42 + 57 = ?
+
+17. 356 / 89 = ?
+
+18. 144 / 36 = ?
+
+19. 189 / 21 = ?
+
+20. 74 + 43 = ?