From c88d8ae4e38b6c9a2ec730f5e1e2947017f6c9b9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=9D=A8=E9=BB=98=E6=B6=B5?= <15530826+wgll926@user.noreply.gitee.com> Date: Wed, 8 Oct 2025 17:41:04 +0800 Subject: [PATCH] test --- .idea/vcs.xml | 4 +- test_gui.md => README.md | 0 .../com/example/mathsystemtogether/Main.java | 384 ------------------ 3 files changed, 3 insertions(+), 385 deletions(-) rename test_gui.md => README.md (100%) delete mode 100644 src/main/java/com/example/mathsystemtogether/Main.java diff --git a/.idea/vcs.xml b/.idea/vcs.xml index d843f34..94a25f7 100644 --- a/.idea/vcs.xml +++ b/.idea/vcs.xml @@ -1,4 +1,6 @@ - + + + \ No newline at end of file diff --git a/test_gui.md b/README.md similarity index 100% rename from test_gui.md rename to README.md diff --git a/src/main/java/com/example/mathsystemtogether/Main.java b/src/main/java/com/example/mathsystemtogether/Main.java deleted file mode 100644 index ec8d0df..0000000 --- a/src/main/java/com/example/mathsystemtogether/Main.java +++ /dev/null @@ -1,384 +0,0 @@ -package com.example.mathsystemtogether; -//TIP 要运行代码,请按 或 -// 点击装订区域中的 图标。 -import java.io.BufferedReader; -import java.io.BufferedWriter; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileWriter; -import java.io.IOException; -import java.io.InputStreamReader; -import java.nio.charset.StandardCharsets; -import java.time.LocalDateTime; -import java.time.format.DateTimeFormatter; -import java.util.*; - -public class Main { - enum Level { - 小学, 初中, 高中 - } - - static class Account { - final String username; - final String password; - final Level level; - - Account(String username, String password, Level level) { - this.username = username; - this.password = password; - this.level = level; - } - } - - private static final Map USER_MAP = new HashMap<>(); - private static final String OUTPUT_ROOT = "papers"; // 每个账号一个子文件夹 - private static final Random RANDOM = new Random(); - - // 常量定义 - private static final int MIN_QUESTIONS = 10; - private static final int MAX_QUESTIONS = 30; - private static final int MAX_ATTEMPTS_MULTIPLIER = 200; - private static final int MAX_OPERAND_VALUE = 100; - private static final int MIN_OPERAND_VALUE = 1; - - public static void main(String[] args) { - initAccounts(); - Scanner scanner = new Scanner(System.in, StandardCharsets.UTF_8.name()); - while (true) { - Account login = loginLoop(scanner); - if (login == null) { - break; - } - Level currentLevel = login.level; - System.out.println("当前选择为" + currentLevel + "出题"); - // 登录后的工作循环 - System.out.println("准备生成" + currentLevel + "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)"); - while (true) { - String line = readLineTrim(scanner); - if (line == null) return; // EOF - // 支持命令:切换为XX - if (line.startsWith("切换为")) { - String target = line.substring("切换为".length()).trim(); - Level targetLevel = parseLevel(target); - if (targetLevel == null) { - System.out.println("请输入小学、初中和高中三个选项中的一个"); - continue; - } - currentLevel = targetLevel; - System.out.println("准备生成" + currentLevel + "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)"); - continue; - } - int count; - try { - count = Integer.parseInt(line); - } catch (NumberFormatException e) { - System.out.println("请输入10-30之间的整数,或-1退出登录,或输入‘切换为XX’"); - continue; - } - if (count == -1) { - break; // 退出当前账号,重新登录 - } - if (count < 10 || count > 30) { - System.out.println("题目数量应为10-30之间(含),或-1退出登录"); - continue; - } - - // 生成题目并去重 - Set history = loadHistoryQuestions(login.username); - List paper = generateUniquePaper(currentLevel, count, history); - // 保存 - try { - File saved = savePaper(login.username, paper); - System.out.println("已生成并保存:" + saved.getAbsolutePath()); - } catch (IOException e) { - System.out.println("保存失败:" + e.getMessage()); - } - } - } - } - - private static void initAccounts() { - // 小学三个账号 - USER_MAP.put("张三1", new Account("张三1", "123", Level.小学)); - USER_MAP.put("张三2", new Account("张三2", "123", Level.小学)); - USER_MAP.put("张三3", new Account("张三3", "123", Level.小学)); - // 初中三个账号 - USER_MAP.put("李四1", new Account("李四1", "123", Level.初中)); - USER_MAP.put("李四2", new Account("李四2", "123", Level.初中)); - USER_MAP.put("李四3", new Account("李四3", "123", Level.初中)); - // 高中三个账号 - USER_MAP.put("王五1", new Account("王五1", "123", Level.高中)); - USER_MAP.put("王五2", new Account("王五2", "123", Level.高中)); - USER_MAP.put("王五3", new Account("王五3", "123", Level.高中)); - } - - private static Account loginLoop(Scanner scanner) { - System.out.println("请输入用户名和密码(用空格分隔),或输入-1退出:"); - while (true) { - String line = readLineTrim(scanner); - if (line == null) return null; // EOF 退出 - if ("-1".equals(line)) return null; // 主动输入-1退出 - String[] parts = line.split("\\s+"); - if (parts.length != 2) { - System.out.println("请输入正确的用户名、密码,或输入-1退出"); - continue; - } - String username = parts[0]; - String password = parts[1]; - Account acc = USER_MAP.get(username); - if (acc != null && Objects.equals(acc.password, password)) { - return acc; - } - System.out.println("请输入正确的用户名、密码,或输入-1退出"); - } - } - - private static String readLineTrim(Scanner scanner) { - if (!scanner.hasNextLine()) return null; - String s = scanner.nextLine(); - if (s == null) return null; - return s.trim(); - } - - private static Level parseLevel(String s) { - for (Level lv : Level.values()) { - if (lv.name().equals(s)) return lv; - } - return null; - } - - // 通用的输入验证方法 - private static boolean isValidQuestionCount(int count) { - return count >= MIN_QUESTIONS && count <= MAX_QUESTIONS; - } - - private static List generateUniquePaper(Level level, int count, Set history) { - Set set = new LinkedHashSet<>(); - int attempts = 0; - int maxAttempts = count * MAX_ATTEMPTS_MULTIPLIER; // 足够多的尝试次数以避免死循环 - while (set.size() < count && attempts < maxAttempts) { - String q = generateQuestion(level); - attempts++; - if (!history.contains(q) && !set.contains(q)) { - set.add(q); - } - } - if (set.size() < count) { - System.out.println("注意:因去重限制,仅生成" + set.size() + "题"); - } - return new ArrayList<>(set); - } - - //==================== 面向接口的题目生成器 ==================== - interface QuestionGenerator { - String generate(); - } - - // 通用字符串拼接方法,避免重复代码 - private static String buildExpression(List tokens) { - StringBuilder sb = new StringBuilder(); - for (String tk : tokens) sb.append(tk); - sb.append(" ="); - return sb.toString(); - } - - // 通用的基础表达式生成逻辑 - private static List generateBaseExpression(int minOperands, int maxOperands, String operators) { - int operands = minOperands + RANDOM.nextInt(maxOperands - minOperands + 1); - List tokens = new ArrayList<>(); - int first = MIN_OPERAND_VALUE + RANDOM.nextInt(MAX_OPERAND_VALUE); - tokens.add(String.valueOf(first)); - for (int i = 1; i < operands; i++) { - char op = pickOperator(operators); - int n = MIN_OPERAND_VALUE + RANDOM.nextInt(MAX_OPERAND_VALUE); - if (op == '/') { - int prevNumber = extractLastPureNumber(tokens); - if (prevNumber > 0) { - n = pickDivisor(prevNumber); - } - } - tokens.add(" " + op + " "); - tokens.add(String.valueOf(n)); - } - return tokens; - } - - static class PrimaryQuestionGenerator implements QuestionGenerator { - @Override - public String generate() { - List tokens = generateBaseExpression(2, 5, "+*/"); - maybeInsertParentheses(tokens); - return buildExpression(tokens); - } - } - - static class JuniorQuestionGenerator implements QuestionGenerator { - @Override - public String generate() { - List tokens = generateBaseExpression(2, 5, "+-*/"); - ensureJuniorFeature(tokens); - maybeInsertParentheses(tokens); - return buildExpression(tokens); - } - } - - static class SeniorQuestionGenerator implements QuestionGenerator { - @Override - public String generate() { - List tokens = generateBaseExpression(3, 5, "+-*/"); - ensureSeniorFeature(tokens); - maybeInsertParentheses(tokens); - return buildExpression(tokens); - } - } - - private static final Map GENERATOR_MAP = new EnumMap<>(Level.class); - static { - GENERATOR_MAP.put(Level.小学, new PrimaryQuestionGenerator()); - GENERATOR_MAP.put(Level.初中, new JuniorQuestionGenerator()); - GENERATOR_MAP.put(Level.高中, new SeniorQuestionGenerator()); - } - - private static String generateQuestion(Level level) { - QuestionGenerator generator = GENERATOR_MAP.get(level); - if (generator == null) generator = GENERATOR_MAP.get(Level.小学); - return generator.generate(); - } - - // 生成器实现已迁移到各具体类 - - private static char pickOperator(String candidates) { - int idx = RANDOM.nextInt(candidates.length()); - return candidates.charAt(idx); - } - - private static int pickDivisor(int dividend) { - dividend = Math.abs(dividend); - if (dividend == 0) return 1; - List divisors = new ArrayList<>(); - for (int d = 1; d <= Math.min(dividend, MAX_OPERAND_VALUE); d++) { - if (dividend % d == 0) { - divisors.add(d); - } - } - return divisors.get(RANDOM.nextInt(divisors.size())); - } - - - - private static void maybeInsertParentheses(List tokens) { - int parenCount = RANDOM.nextInt(3); // 0,1,2 对 - for (int k = 0; k < parenCount; k++) { - int terms = (tokens.size() + 1) / 2; // 操作数个数 - if (terms < 3) break; - int leftIndex = 0; - int rightIndex = 0; - for (int t = 0; t < 10; t++) { - int li = RANDOM.nextInt(terms - 1); - int ri = li + 1 + RANDOM.nextInt(terms - li - 1); - leftIndex = li * 2; - rightIndex = ri * 2; - if (rightIndex - leftIndex >= 4) break; // 至少一个运算符 - } - tokens.add(leftIndex, "("); - tokens.add(rightIndex + 2, ")"); - } - } - - private static int extractLastPureNumber(List tokens) { - for (int i = tokens.size() - 1; i >= 0; i--) { - String tk = tokens.get(i).trim(); - if (tk.matches("\\d+")) { - return Integer.parseInt(tk); - } - } - return -1; - } - - private static void ensureJuniorFeature(List tokens) { - boolean hasSquareOrSqrt = false; - for (String tk : tokens) { - if (tk.contains("^2") || tk.contains("√")) { hasSquareOrSqrt = true; break; } - } - if (!hasSquareOrSqrt) { - // 选择一个操作数位置,50% 概率平方,50% 概率开根号 - List operandIndexes = new ArrayList<>(); - for (int i = 0; i < tokens.size(); i += 2) operandIndexes.add(i); - if (operandIndexes.isEmpty()) return; - int idxToken = operandIndexes.get(RANDOM.nextInt(operandIndexes.size())); - String val = tokens.get(idxToken).trim(); - if (RANDOM.nextBoolean()) { - // 平方 - tokens.set(idxToken, val + "^2"); - } else { - // 开根号 - tokens.set(idxToken, "√(" + val + ")"); - } - } - } - - private static void ensureSeniorFeature(List tokens) { - boolean hasTrig = false; - for (String tk : tokens) { - if (tk.contains("sin") || tk.contains("cos") || tk.contains("tan")) { hasTrig = true; break; } - } - if (!hasTrig) { - List operandIndexes = new ArrayList<>(); - for (int i = 0; i < tokens.size(); i += 2) operandIndexes.add(i); - if (operandIndexes.isEmpty()) return; - int idxToken = operandIndexes.get(RANDOM.nextInt(operandIndexes.size())); - String val = tokens.get(idxToken).trim(); - String func; - switch (RANDOM.nextInt(3)) { - case 0: func = "sin"; break; - case 1: func = "cos"; break; - default: func = "tan"; break; - } - tokens.set(idxToken, func + "(" + val + ")"); - } - } - - private static Set loadHistoryQuestions(String username) { - Set set = new HashSet<>(); - File folder = new File(OUTPUT_ROOT, username); - if (!folder.exists() || !folder.isDirectory()) return set; - File[] files = folder.listFiles((dir, name) -> name.endsWith(".txt")); - if (files == null) return set; - for (File f : files) { - try (BufferedReader br = new BufferedReader( - new InputStreamReader(new FileInputStream(f), StandardCharsets.UTF_8))) { - String line; - while ((line = br.readLine()) != null) { - line = line.trim(); - if (line.isEmpty()) continue; - int dot = line.indexOf('.') ; - if (dot > 0) { - String maybe = line.substring(dot + 1).trim(); - if (!maybe.isEmpty()) set.add(maybe); - } - } - } catch (IOException ignored) { - } - } - return set; - } - - private static File savePaper(String username, List questions) throws IOException { - File folder = new File(OUTPUT_ROOT, username); - if (!folder.exists()) { - if (!folder.mkdirs()) throw new IOException("无法创建目录:" + folder.getAbsolutePath()); - } - LocalDateTime now = LocalDateTime.now(); - DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-M-d-H-m-s"); - String filename = now.format(formatter) + ".txt"; - File out = new File(folder, filename); - try (BufferedWriter bw = new BufferedWriter(new FileWriter(out, StandardCharsets.UTF_8))) { - for (int i = 0; i < questions.size(); i++) { - bw.write((i + 1) + ". " + questions.get(i)); - bw.newLine(); - bw.newLine(); - } - } - return out; - } -} \ No newline at end of file