doc/README.md

@@ -1,39 +0,0 @@
-# 中小学数学卷子自动生成器
-
-## 文件结构及类设计
-软件2302_乔毅凡_个人项目  
-|——src  源代码文件夹  
-  |——Base  基本类包   
-    |——Question  题目类  
-    |——User  用户类  
-  |——Deal  操作类包  
-    |——Deal_file  处理文件保存和查重  
-    |——Deal_paper  生成完整试卷  
-    |——Deal_user  处理用户加载  
-  |——Generator  题目生成器包  
-    |——G_ques  题目生成器接口   
-    |——Pri_g_ques  小学题目生成  
-    |——Jun_g_ques  初中题目生成  
-    |——Sen_g_ques  高中题目生成   
-  |——Math_System  出卷系统类   
-  |——Main  main函数  
-|——doc  说明文件目录  
-  |——README.md  说明文件  
-
-## 使用说明  
-1. 进入系统后，输入账号密码登录（空格分割），登录界面输入exit可以退出系统。  
-2. 登陆后，输入数字（10-30）生成试卷，并提示文件的保存地址。  
-3. 登陆后可以通过“切换为/小学/初中/高中”切换出题模式。  
-4. 输入“-1”退出当前登录  
-
-## 题目生成说明
-1. 小学题目2-5个操作数，运算包含+、-、*、\，随机加括号
-2. 初中题目1-5个操作数，运算包含+、-、*、\，随机加平方或开根（至少一个），随机加括号
-3. 高中题目1-5个操作数，运算包含+、-、*、\，每一项均为三角函数，随机加平方，随机加括号。  
-
-## 运行环境
-可执行文件：Mathpapers.jar  
-运行环境：Windows cmd UTF-8编码
-
----
-软件2302 202326010228 乔毅凡

src/Base/Question.java

@@ -1,22 +0,0 @@
-package Base;
-
-public class Question {
-    private int number;
-    private String content;
-    private String type;
-
-    public Question(int number, String content, String type) {
-        this.number = number;
-        this.content = content;
-        this.type = type;
-    }
-
-    public int getNumber() { return number; }
-    public String getContent() { return content; }
-    public String getType() { return type; }
-
-    @Override
-    public String toString(){
-        return this.number+". "+this.content+" = ?";
-    }
-}

src/Base/User.java

@@ -1,21 +0,0 @@
-package Base;
-
-public class User {
-    private String id;
-    private String password;
-    private String type;
-
-    public User(String id, String ps, String type) {
-        this.id = id;
-        this.password = ps;
-        this.type = type;
-    }
-
-    public String getUsername() { return id; }
-    public String getPassword() { return password; }
-    public String getUserType() { return type; }
-
-    public void change_type(String new_type){
-        this.type=new_type;
-    }
-}

src/Deal/Deal_file.java

@@ -1,75 +0,0 @@
-package Deal;
-
-import Base.Question;
-
-import java.io.*;
-import java.text.SimpleDateFormat;
-import java.util.*;
-
-public class Deal_file {
-    private static final String BASE_DIR="试卷/";
-
-    public Deal_file() {
-        File baseDir = new File(BASE_DIR);
-        if (!baseDir.exists()) {
-            if (!baseDir.mkdirs())
-                System.out.println("目录创建失败！");
-        }
-    }
-
-    public void savePaper(ArrayList<Question> paper, String username) {
-        String userDirPath = BASE_DIR + username + "/";
-        File userDir = new File(userDirPath);
-        if (!userDir.exists()) {
-            if (!userDir.mkdirs()) {
-                System.out.println("目录创建失败！");
-                return;
-            }
-        }
-        String timestamp = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date());
-        String filePath = userDirPath + timestamp + ".txt";
-
-        try (PrintWriter writer = new PrintWriter(new FileWriter(filePath))) {
-            for (int i = 0; i < paper.size(); i++) {
-                writer.println(paper.get(i).toString());
-                if (i < paper.size() - 1) {
-                    writer.println();
-                }
-            }
-            System.out.println("试卷已保存至: " + new File(filePath).getAbsolutePath());
-        } catch (IOException e) {
-            System.out.println("保存文件出错: " + e.getMessage());
-        }
-    }
-
-    public Set<String> Check_Existing(String username) {
-        Set<String> questions = new HashSet<>();
-        String userDirPath = BASE_DIR + username + "/";
-        File userDir = new File(userDirPath);
-
-        if (!userDir.exists() || !userDir.isDirectory()) {
-            return questions;
-        }
-
-        File[] files = userDir.listFiles();
-        if (files == null) {
-            return questions;
-        }
-
-        for (File file : files) {
-            if (file.isFile() && file.getName().endsWith(".txt")) {
-                try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
-                    String line;
-                    while ((line = reader.readLine()) != null) {
-                        if (!line.trim().isEmpty()) {
-                            questions.add(line.trim());
-                        }
-                    }
-                } catch (IOException e) {
-                    return questions;
-                }
-            }
-        }
-        return questions;
-    }
-}

src/Deal/Deal_paper.java

@@ -1,56 +0,0 @@
-package Deal;
-
-import Base.Question;
-import Base.User;
-import Generator.G_ques;
-import Generator.Jun_g_ques;
-import Generator.Pri_g_ques;
-import Generator.Sen_g_ques;
-
-import java.util.ArrayList;
-import java.util.Set;
-
-public class Deal_paper {
-    private G_ques g_ques;
-    private Deal_file write_file;
-    public Deal_paper(User user){
-        write_file=new Deal_file();
-        switch (user.getUserType()){
-            case "小学":{
-                g_ques=new Pri_g_ques();
-                break;
-            }
-            case "初中":{
-                g_ques=new Jun_g_ques();
-                break;
-            }
-            case "高中":{
-                g_ques=new Sen_g_ques();
-                break;
-            }
-            default:{
-                g_ques=new Pri_g_ques();
-            }
-        }
-    }
-
-    public void g_paper(int count,String username){
-        ArrayList<Question> result=new ArrayList<>();
-        Set<String> existing_ques=write_file.Check_Existing(username);
-        for (int i=0;i<count;i++) {
-            String temp;
-            int try_times = 0;
-            do {
-                temp = g_ques.g_question();
-                try_times++;
-            } while (existing_ques.contains(temp) && try_times <= 50);
-            result.add(new Question(i+1, temp, g_ques.g_type()));
-            existing_ques.add(temp);
-        }
-        write_file.savePaper(result,username);
-    }
-
-    public String get_type(){
-        return g_ques.g_type();
-    }
-}

src/Deal/Deal_user.java

@@ -1,35 +0,0 @@
-package Deal;
-
-import Base.User;
-import java.util.HashMap;
-import java.util.Map;
-
-public class Deal_user {
-    private Map<String,User> all_user;
-    public Deal_user(){
-        load_user();
-    }
-
-    public void load_user(){
-        all_user=new HashMap<>();
-
-        all_user.put("张三1", new User("张三1", "123", "小学"));
-        all_user.put("张三2", new User("张三2", "123", "小学"));
-        all_user.put("张三3", new User("张三3", "123", "小学"));
-
-        // 初中老师
-        all_user.put("李四1", new User("李四1", "123", "初中"));
-        all_user.put("李四2", new User("李四2", "123", "初中"));
-        all_user.put("李四3", new User("李四3", "123", "初中"));
-
-        // 高中老师
-        all_user.put("王五1", new User("王五1", "123", "高中"));
-        all_user.put("王五2", new User("王五2", "123", "高中"));
-        all_user.put("王五3", new User("王五3", "123", "高中"));
-    }
-
-    public User login(String id,String psw){
-        User temp=all_user.get(id);
-        return (temp!=null&&temp.getPassword().equals(psw))?temp:null;
-    }
-}

src/Generator/G_ques.java

@@ -1,8 +0,0 @@
-package Generator;
-
-public interface G_ques {
-    String g_question();
-    String g_type();
-    char g_operator();
-    String add_brackets(StringBuilder s,int count);
-}

src/Generator/Jun_g_ques.java

@@ -1,82 +0,0 @@
-package Generator;
-
-import java.util.Random;
-
-public class Jun_g_ques implements G_ques{
-    private Random ra= new Random();
-
-    @Override
-    public String g_question() {
-        int count=ra.nextInt(5)+1;
-        StringBuilder question = new StringBuilder();
-        boolean flag=false;
-        for (int i=0;i<count;i++){
-            if (i>0){
-                question.append(" ").append(g_operator()).append(" ");
-            }
-            if (ra.nextDouble()<0.25) {
-                if (ra.nextBoolean()) {
-                    question.append(ra.nextInt(30) + 1).append("²");
-                }
-                else {
-                    question.append("√").append(ra.nextInt(100) + 1);
-                }
-                flag=true;
-            }
-            else {
-                question.append(ra.nextInt(100) + 1);
-            }
-        }
-        if (!flag){
-            if(count==1){
-                if (ra.nextBoolean()){
-                    question.append("²");
-                }
-                else {
-                    question.insert(0,"√");
-                }
-            }
-            else {
-                String[] parts = question.toString().split(" ");
-                int pos = ra.nextInt(count);
-                if (ra.nextBoolean()) {
-                    parts[pos * 2] = parts[pos * 2] + "²";
-                } else {
-                    parts[pos * 2] = "√" + parts[pos * 2];
-                }
-                question = new StringBuilder(String.join(" ", parts));
-            }
-        }
-        return add_brackets(question,count);
-    }
-
-    @Override
-    public String g_type(){
-        return "初中";
-    }
-
-    @Override
-    public char g_operator(){
-        char[] op={'+','-','*','/'};
-        return op[ra.nextInt(op.length)];
-    }
-
-    @Override
-    public String add_brackets(StringBuilder s,int count){
-        String res=s.toString();
-        String[] parts=s.toString().split(" ");
-        if (ra.nextBoolean()&&parts.length!=1) {
-            int num=ra.nextInt(3)+1;
-            for (int i=0;i<num;i++) {
-                int pos = ra.nextInt(count);
-                if (pos==count-1){
-                    pos=pos-1;
-                }
-                parts[pos * 2] = "(" + parts[pos * 2];
-                parts[parts.length-1]=parts[parts.length-1]+")";
-            }
-            res = String.join(" ", parts);
-        }
-        return res;
-    }
-}

src/Generator/Pri_g_ques.java

@@ -1,44 +0,0 @@
-package Generator;
-
-import java.util.Random;
-
-public class Pri_g_ques implements G_ques{
-    private Random ra= new Random();
-
-    @Override
-    public String g_question() {
-        int count=ra.nextInt(4)+2;
-        StringBuilder question = new StringBuilder();
-        int count_bracket=0;
-        for (int i=0;i<count;i++) {
-            if (i > 0) {
-                question.append(" ").append(g_operator()).append(" ");
-            }
-            if (i!=count-1&&ra.nextDouble()<0.4){
-                question.append("(");
-                count_bracket++;
-            }
-            question.append(ra.nextInt(100) + 1);
-        }
-        if (count_bracket!=0){
-            question.append(")".repeat(Math.max(0, count_bracket)));
-        }
-        return question.toString();
-    }
-
-    @Override
-    public String g_type(){
-        return "小学";
-    }
-
-    @Override
-    public char g_operator(){
-        char[] op={'+','-','*','/'};
-        return op[ra.nextInt(op.length)];
-    }
-
-    @Override
-    public String add_brackets(StringBuilder s,int count){
-        return  s.toString();
-    }
-}

src/Generator/Sen_g_ques.java

@@ -1,65 +0,0 @@
-package Generator;
-
-import java.util.Random;
-
-public class Sen_g_ques implements G_ques{
-    private Random ra= new Random();
-
-    @Override
-    public String g_question() {
-        int count=ra.nextInt(5)+1;
-        StringBuilder question = new StringBuilder();
-        boolean flag=false;
-        for (int i=0;i<count;i++) {
-            if (i > 0) {
-                question.append(" ").append(g_operator()).append(" ");
-            }
-            if (ra.nextDouble()<0.3){
-                question.append(g_trig()).append("²").append("(").append(g_angle()).append("°)");
-            }
-            else {
-                question.append(g_trig()).append("(").append(g_angle()).append("°)");
-            }
-        }
-        return add_brackets(question,count);
-    }
-
-    @Override
-    public String g_type(){
-        return "高中";
-    }
-
-    @Override
-    public char g_operator(){
-        char[] op={'+','-','*','/'};
-        return op[ra.nextInt(op.length)];
-    }
-
-    public String g_trig(){
-        String[] trig={"sin","cos","tan"};
-        return trig[ra.nextInt(trig.length)];
-    }
-
-    public String g_angle(){
-        String[] angle={"15","22.5","75","105","120","135","150","210","300"};
-        return angle[ra.nextInt(angle.length)];
-    }
-
-    public String add_brackets(StringBuilder s,int count){
-        String res=s.toString();
-        String[] parts=s.toString().split(" ");
-        if (ra.nextBoolean()&&parts.length!=1) {
-            int num=ra.nextInt(3)+1;
-            for (int i=0;i<num;i++) {
-                int pos = ra.nextInt(count);
-                if (pos==count-1){
-                    pos=pos-1;
-                }
-                parts[pos * 2] = "(" + parts[pos * 2];
-                parts[parts.length-1]=parts[parts.length-1]+")";
-            }
-            res = String.join(" ", parts);
-        }
-        return res;
-    }
-}

src/Main.java

@@ -1,6 +0,0 @@
-public class Main {
-    public static void main(String[] args){
-        Math_System m_system=new Math_System();
-        m_system.main_menu();
-    }
-}

src/Math_System.java

@@ -1,97 +0,0 @@
-import Base.User;
-import Deal.Deal_paper;
-import Deal.Deal_user;
-
-import java.util.Scanner;
-
-public class Math_System {
-    private User now_user;
-    private Deal_paper d_paper;
-    private Deal_user d_user;
-    private Scanner scanner;
-
-    public Math_System(){
-        now_user=null;
-        d_paper=null;
-        d_user=new Deal_user();
-    }
-
-    public void main_menu(){
-        scanner=new Scanner(System.in);
-        while(true){
-            if (now_user==null){
-                login_in();
-            }
-            else {
-                generator();
-            }
-        }
-    }
-
-    public void login_in(){
-        System.out.println("请输入用户名和密码（空格分隔）:");
-        String input = scanner.nextLine().trim();
-
-        if (input.equalsIgnoreCase("exit")) {
-            System.exit(0);
-        }
-
-        String[] parts = input.split("\\s+"); //空格
-
-        if (parts.length != 2){
-            System.out.println("请输入正确的用户名、密码");
-            return;
-        }
-
-        String username=parts[0];
-        String psw=parts[1];
-
-        if (d_user.login(username,psw)==null) {
-            now_user=null;
-            System.out.println("请输入正确的用户名、密码");
-        }
-        else {
-            now_user=d_user.login(username,psw);
-            d_paper=new Deal_paper(now_user);
-            System.out.println("当前选择为 " + now_user.getUserType() + " 出题");
-        }
-    }
-
-    public void generator(){
-        System.out.println("准备生成"+now_user.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 = scanner.nextLine().trim();
-
-        if (input.equals("-1")){
-            now_user=null;
-            d_paper=null;
-            return;
-        }
-        if (input.startsWith("切换为")) {
-            change_mode(input);
-            return;
-        }
-        try {
-            int count = Integer.parseInt(input);
-            if (count<10||count>30){
-                System.out.println("题目数量应在10-30之间。");
-                return;
-            }
-            d_paper.g_paper(count,now_user.getUsername());
-        }catch (NumberFormatException e){
-            System.out.println("请正确输入题目数量。");
-        }
-    }
-
-    public void change_mode(String new_mode){
-        String[] parts=new_mode.split("切换为");
-        String type=parts[1].trim();
-        if ((!type.equals("小学") && !type.equals("初中") && !type.equals("高中")) || parts.length!=2){
-            System.out.println("请输入小学、初中和高中三个选项中的一个");
-        }
-        else{
-            now_user.change_type(type);
-            d_paper=new Deal_paper(now_user);
-            System.out.println("成功切换为"+type);
-        }
-    }
-}