From 1990441707a64dc16c87604cd4cc6fede6ba7fd7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=AE=8B=E5=A5=87=E5=B3=B0?= Date: Thu, 25 Sep 2025 19:40:40 +0800 Subject: [PATCH] =?UTF-8?q?=E7=BC=96=E7=A0=81=E8=A7=84=E8=8C=83=E4=BC=98?= =?UTF-8?q?=E5=8C=96?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .DS_Store | Bin 10244 -> 10244 bytes ...{questionGenerator.java => Generator.java} | 28 ++++++++---------- src/{mpg_main.java => Main.java} | 22 +++++++------- src/{savepaper.java => Save.java} | 2 +- src/languageSwitch.java | 12 ++++---- src/loadFile.java | 4 +-- src/login.java | 6 ++-- 7 files changed, 35 insertions(+), 39 deletions(-) rename src/{questionGenerator.java => Generator.java} (91%) rename src/{mpg_main.java => Main.java} (80%) rename src/{savepaper.java => Save.java} (98%) diff --git a/.DS_Store b/.DS_Store index b1de7be016416f38c31c59505b7a5dec241d6a89..613a81fc4d759cff338a621656fd313f626228f1 100644 GIT binary patch delta 70 zcmZn(XbIS0D?ItESSg3Gfsu}av4zoOFLB4se}vtbIgE`BbQDaCO*eaq@8#Icrtq6( T@}OoW`-1oe1_!Bf`WG#H{TIWW#lk2Gtf~m gHZqyKOW1L9mv{}wW_E>NERzL=?qJGK?h>yA0M9)ef&c&j diff --git a/src/questionGenerator.java b/src/Generator.java similarity index 91% rename from src/questionGenerator.java rename to src/Generator.java index a2a8a84..50b26bd 100644 --- a/src/questionGenerator.java +++ b/src/Generator.java @@ -1,30 +1,30 @@ -import java.io.*; -import java.nio.file.*; import java.util.*; import java.util.stream.Collectors; -public class questionGenerator { +public class Generator { private static final Random rand = new Random(); static class QuestionGenerator { - private final login.Level level; + private final Login.Level level; private final Set existing; - QuestionGenerator(login.Level level, List existingQuestions) { + QuestionGenerator(Login.Level level, List existingQuestions) { this.level = level; this.existing = existingQuestions.stream().map(String::trim).collect(Collectors.toSet()); } List generatePaper(int n) { Set generated = new LinkedHashSet<>(); - int attempts = 0; // 防止死循环 + int attempts = 0; int maxAttempts = 2000; + while (generated.size() < n && attempts < maxAttempts) { attempts++; String q = generateOneQuestion(); // 统一去掉题号与多余空白来比对 String key = normalize(q); + //与文件内+本次前面生成的查重 if (!existing.contains(key) && !generated.contains(key)) { generated.add(q); } @@ -34,14 +34,14 @@ public class questionGenerator { } return new ArrayList<>(generated); } - + //去空格 private String normalize(String s) { return s.replaceAll("\\s+","").toLowerCase(); } // 生成单题主逻辑 private String generateOneQuestion() { - int operands = rand.nextInt(4) + 2; // 保证 2..5 个操作数 + int operands = rand.nextInt(5) + 1; // 保证 2..5 个操作数 return switch (level) { case PRIMARY -> genPrimary(operands); case MIDDLE -> genMiddle(operands); @@ -79,9 +79,8 @@ public class questionGenerator { private String genMiddle(int operands) { // 基本表达式生成，后插入平方或开根号 String expr = genPrimary(operands); // 基本算术 - // decide to apply square or sqrt to random operand or subexpression + // 2选1 if (rand.nextBoolean()) { - // apply ^2 somewhere // 找一个数字位置并替换为 (x)^2 expr = applySquare(expr); } else { @@ -93,7 +92,7 @@ public class questionGenerator { // 生成高中题：至少包含 sin/cos/tan private String genHigh(int operands) { String expr = genPrimary(operands); - expr = applyTrig(expr); // 把某个数或子表达式包成 trig(...) + expr = applyTrig(expr); return expr; } @@ -115,7 +114,6 @@ public class questionGenerator { private String applySqrt(String expr) { List spans = findNumberSpans(expr); if (spans.isEmpty()) { - // fallback: wrap entire expr return "sqrt(" + expr + ")"; } int[] s = spans.get(rand.nextInt(spans.size())); @@ -139,7 +137,7 @@ public class questionGenerator { return before + func + "(" + num + ")" + after; } - // 找到表达式中纯数字的起止索引 + // 找出数字位置 private List findNumberSpans(String expr) { List spans = new ArrayList<>(); char[] chs = expr.toCharArray(); @@ -156,11 +154,11 @@ public class questionGenerator { } return spans; } - + //a..b随机数 private int randInt(int a, int b) { return rand.nextInt(b - a + 1) + a; } - + //抽签功能 private T randomChoice(List list) { return list.get(rand.nextInt(list.size())); } diff --git a/src/mpg_main.java b/src/Main.java similarity index 80% rename from src/mpg_main.java rename to src/Main.java index b7f108a..3fdfa19 100644 --- a/src/mpg_main.java +++ b/src/Main.java @@ -1,20 +1,18 @@ import java.nio.charset.StandardCharsets; -import java.io.*; -import java.nio.file.*; import java.util.*; -public class mpg_main { +public class Main { private static final Scanner scanner = new Scanner(System.in, StandardCharsets.UTF_8); public static void main(String[] args) { System.out.println("=== 中小学数学卷子自动生成程序 ==="); while (true) { - login.Account user = login.loginLoop(); + Login.Account user = Login.LoginLoop(); if (user == null) continue; - login.Level currentLevel = user.level; - System.out.println("当前选择为 " + languageSwitch.levelToChinese(currentLevel) + "出题"); + Login.Level currentLevel = user.level; + System.out.println("当前选择为 " + LanguageSwitch.levelToChinese(currentLevel) + "出题"); boolean loggedIn = true; while (loggedIn) { - System.out.print("系统提示“准备生成 " + languageSwitch.levelToChinese(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）：”\n> "); + System.out.print("系统提示“准备生成 " + LanguageSwitch.levelToChinese(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）：”\n> "); String line = scanner.nextLine().trim(); if (line.equals("-1")) { System.out.println("退出当前用户，返回登录界面。"); @@ -27,12 +25,12 @@ public class mpg_main { System.out.println("请输入小学、初中和高中三个选项中的一个"); continue; } - login.Level newLevel = languageSwitch.chineseToLevel(target); + Login.Level newLevel = LanguageSwitch.chineseToLevel(target); if (newLevel == null) { System.out.println("请输入小学、初中和高中三个选项中的一个"); } else { currentLevel = newLevel; - System.out.println("切换成功。当前选择为 " + languageSwitch.levelToChinese(currentLevel) + "出题"); + System.out.println("切换成功。当前选择为 " + LanguageSwitch.levelToChinese(currentLevel) + "出题"); } continue; } @@ -53,14 +51,14 @@ public class mpg_main { continue; } // 生成题目 - List existing = loadFile.loadExistingQuestions(user.username); - questionGenerator.QuestionGenerator qg = new questionGenerator.QuestionGenerator(currentLevel, existing); + List existing = LoadFile.loadExistingQuestions(user.username); + Generator.QuestionGenerator qg = new Generator.QuestionGenerator(currentLevel, existing); List paper = qg.generatePaper(n); if (paper.isEmpty()) { System.out.println("未能生成题目（可能因去重约束导致）。"); } else { // 保存文件 - String savedPath = savepaper.savePaper(user.username, paper); + String savedPath = Save.savePaper(user.username, paper); System.out.println("已生成 " + paper.size() + " 道题，保存为: " + savedPath); } } diff --git a/src/savepaper.java b/src/Save.java similarity index 98% rename from src/savepaper.java rename to src/Save.java index 922075b..d1d4c25 100644 --- a/src/savepaper.java +++ b/src/Save.java @@ -3,7 +3,7 @@ import java.nio.file.*; import java.util.*; import java.text.SimpleDateFormat; import java.nio.charset.StandardCharsets; -public class savepaper { +public class Save { // 保存试卷，返回保存路径字符串 public static String savePaper(String username, List paper) { Path userDir = Paths.get("data", username); diff --git a/src/languageSwitch.java b/src/languageSwitch.java index cf1085a..fcd84be 100644 --- a/src/languageSwitch.java +++ b/src/languageSwitch.java @@ -1,6 +1,6 @@ -public class languageSwitch { +public class LanguageSwitch { //等级转中文输出 - public static String levelToChinese(login.Level l) { + public static String levelToChinese(Login.Level l) { return switch (l) { case PRIMARY -> "小学"; case MIDDLE -> "初中"; @@ -9,12 +9,12 @@ public class languageSwitch { }; } //等级中文输入转level - public static login.Level chineseToLevel(String s) { + public static Login.Level chineseToLevel(String s) { s = s.trim();//去除前后空格 return switch (s) { - case "小学" -> login.Level.PRIMARY; - case "初中" -> login.Level.MIDDLE; - case "高中" -> login.Level.HIGH; + case "小学" -> Login.Level.PRIMARY; + case "初中" -> Login.Level.MIDDLE; + case "高中" -> Login.Level.HIGH; default -> null; }; } diff --git a/src/loadFile.java b/src/loadFile.java index 1274574..600245e 100644 --- a/src/loadFile.java +++ b/src/loadFile.java @@ -3,9 +3,9 @@ import java.io.*; import java.nio.file.*; import java.util.*; import java.util.stream.Collectors; -public class loadFile { +public class LoadFile { // 读取该用户文件夹下已有题目的所有题目文本 - public static List loadExistingQuestions(String username) { + public static List loadExistingQuestions(String username) { List all = new ArrayList<>(); Path userDir = Paths.get("data", username); if (!Files.exists(userDir)) return all; diff --git a/src/login.java b/src/login.java index 95beeec..e58b18f 100644 --- a/src/login.java +++ b/src/login.java @@ -3,7 +3,7 @@ import java.util.HashMap; import java.util.Map; import java.util.Scanner; -public class login { +public class Login { public static class Account { String username;//用户名 String password;//密码 @@ -35,7 +35,7 @@ public class login { accounts.put("王五2", new Account("王五2","123", Level.HIGH)); accounts.put("王五3", new Account("王五3","123", Level.HIGH)); } - public static Account loginLoop() { + public static Account LoginLoop() { while (true) { System.out.print("请输入用户名和密码，两者之间用空格隔开：\n> "); String line = scanner.nextLine().trim();//行输入； @@ -49,7 +49,7 @@ public class login { Account acc = accounts.get(username); if (acc != null && acc.password.equals(password)) { - System.out.println("登录成功。当前选择为 " + languageSwitch.levelToChinese(acc.level) + "出题"); + System.out.println("登录成功。当前选择为 " + LanguageSwitch.levelToChinese(acc.level) + "出题"); return acc; } else { System.out.println("请输入正确的用户名、密码");