From f8d04452444991802473b0f28df644b132e5e085 Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:41:40 +0800
Subject: [PATCH 01/11] ADD file via upload

---
 src/account.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/account.cpp

diff --git a/src/account.cpp b/src/account.cpp
new file mode 100644
index 0000000..b1ee00b
--- /dev/null
+++ b/src/account.cpp
@@ -0,0 +1,24 @@
+#include"account.h"
+
+Authenticator::Authenticator(){
+    users = {
+        User("张三1","123","小学"),
+          User("张三2","123","小学"),
+          User("张三3","123","小学"),
+          User("李四1","123","初中"),
+          User("李四2","123","初中"),
+          User("李四3","123","初中"),
+          User("王五1","123","高中"),
+          User("王五2","123","高中"),
+          User("王五3","123","高中"),
+    };
+}
+
+User* Authenticator::authenticate(const std::string& username,const std::string& password){
+    for(User& user : users){
+      if(user.UserName == username&&user.Password == password){
+        return &user;
+      }
+    }
+    return nullptr;
+}
\ No newline at end of file
-- 
2.34.1


From f27aeb2bf9d33243841b05c8bf8c08031b352c45 Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:42:27 +0800
Subject: [PATCH 02/11] ADD file via upload

---
 src/account.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 src/account.h

diff --git a/src/account.h b/src/account.h
new file mode 100644
index 0000000..586bfe6
--- /dev/null
+++ b/src/account.h
@@ -0,0 +1,15 @@
+#ifndef ACCOUNT_H
+#define ACCOUNT_H
+
+#include"case.h"
+#include<vector>
+
+class Authenticator{
+  private:
+    std::vector<User> users;
+  public:
+    User* authenticate(const std::string& username,const std::string& password);
+    Authenticator();
+};
+
+#endif
\ No newline at end of file
-- 
2.34.1


From a5801b7808860eda217ae934dd4d382872632093 Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:42:49 +0800
Subject: [PATCH 03/11] ADD file via upload

---
 src/case.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/case.h

diff --git a/src/case.h b/src/case.h
new file mode 100644
index 0000000..6ee5bcb
--- /dev/null
+++ b/src/case.h
@@ -0,0 +1,25 @@
+#ifndef CASE_H
+#define CASE_H
+
+#include<string>
+
+class User{
+public:
+  std::string UserName;
+  std::string Password;
+  std::string UserType;
+
+  User(const std::string& uname,const std::string& pwd,const std::string& type)
+    :UserName(uname),Password(pwd),UserType(type){}
+};
+
+class Question{
+public:
+  int id;
+  std::string content;
+
+  Question(int ID,const std::string& cont)
+    :id(ID),content(cont){}
+};
+
+#endif
\ No newline at end of file
-- 
2.34.1


From d099adf73f2308b3221d3edfee14c2b10461482f Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:42:59 +0800
Subject: [PATCH 04/11] ADD file via upload

---
 src/filemanage.cpp | 67 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/filemanage.cpp

diff --git a/src/filemanage.cpp b/src/filemanage.cpp
new file mode 100644
index 0000000..5cc7ed2
--- /dev/null
+++ b/src/filemanage.cpp
@@ -0,0 +1,67 @@
+#include"filemanage.h"
+#include"tool.h"
+#include<fstream>
+#include<direct.h>
+#include<iostream>
+#include<dirent.h>
+
+Filemanage::Filemanage(const std::string&dir):baseDir(dir){
+  createDir(baseDir);
+}
+
+void Filemanage::createDir(const std::string& path){
+  _mkdir(path.c_str());
+}
+
+std::string Filemanage::getUserFolder(const std::string& username){
+  std::string userFolder = baseDir + "/" + username;
+  createDir(userFolder);
+  return userFolder;
+}
+
+std::string Filemanage::saveQuestions(const std::string& username,const std::vector<Question> questions){
+  std::string userFolder = getUserFolder(username);
+  std::string filename = tool::getCurrentTime() + ".txt";
+  std::string filepath = userFolder + "/" + filename;
+
+  std::ofstream userpath(filepath);
+  if(!userpath.is_open()){
+    std::cout<<"无法创建文件"<<filepath<<std::endl;
+  }
+
+  for(const Question question:questions){
+    userpath<<question.id<<"."<<question.content<<std::endl<<std::endl;
+  }
+
+  userpath.close();
+  return filepath;
+}
+
+std::set<std::string> Filemanage::getQuestions(const std::string&username){
+  std::set<std::string>productedQuestion;
+  std::string userFolder = getUserFolder(username);
+  DIR* dirstream = opendir(userFolder.c_str());
+  struct dirent* dir;
+  while((dir = readdir(dirstream)) != NULL){
+    std::string filename = dir->d_name;
+    if(filename.length() > 4&&filename.substr(filename.length() - 4) == ".txt"){
+      std::string filepath = userFolder + "/" + filename;
+      std::ifstream userpath;
+      userpath.open(filepath);
+      if(userpath.is_open()){
+        std::string OneQuestion;
+        while(getline(userpath,OneQuestion)){
+          OneQuestion = tool::EreaseEmpty(OneQuestion);
+          if(!OneQuestion.empty()&&OneQuestion.find('.') != std::string::npos){
+            int dotnum = OneQuestion.find('.');
+            OneQuestion = OneQuestion.substr(dotnum + 1,OneQuestion.size() - dotnum - 1);
+            productedQuestion.insert(OneQuestion);
+          }
+        }
+      }
+      userpath.close();
+    }
+  }
+  closedir(dirstream);
+  return productedQuestion;
+}
-- 
2.34.1


From bdcb6e4415f26124c96ef739161f7bbcda9e39bb Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:43:11 +0800
Subject: [PATCH 05/11] ADD file via upload

---
 src/filemanage.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/filemanage.h

diff --git a/src/filemanage.h b/src/filemanage.h
new file mode 100644
index 0000000..935acc9
--- /dev/null
+++ b/src/filemanage.h
@@ -0,0 +1,20 @@
+#ifndef FILEMANAGE_H
+#define FILEMANAGE_H
+
+#include"case.h"
+#include<string>
+#include<set>
+#include<vector>
+
+class Filemanage{
+private:
+  std::string baseDir;
+  std::string getUserFolder(const std::string& username);
+  void createDir(const std::string& path);
+public:
+  Filemanage(const std::string& dir = "examquestions");
+  std::set<std::string>getQuestions(const std::string&username);
+  std::string saveQuestions(const std::string& username,const std::vector<Question> questions);
+};
+
+#endif
\ No newline at end of file
-- 
2.34.1


From b845619019132ba04c895e24488f07a978c401a3 Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:43:25 +0800
Subject: [PATCH 06/11] ADD file via upload

---
 src/main.cpp | 133 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 src/main.cpp

diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..b52d390
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,133 @@
+#include<iostream>
+#include<regex>
+#include"account.h"
+#include"case.h"
+#include"filemanage.h"
+#include"question_product.h"
+#include"tool.h"
+
+class ExamSystem{
+private:
+  Authenticator authenticator;
+  Filemanage fileManage;
+  QuestionProduction questionProduction;
+  User* currentUser;
+  bool IsUser = false;
+  void SystemLogin();
+  void SystemProductQuestions();
+  void handleSwitchType(const std::string& newtype);
+  void ProductQuestion(int num);
+public:
+  void systemRun();
+};
+
+void ExamSystem::systemRun(){
+  std::cout<<"====欢迎使用中小学卷子自动生成系统===="<<std::endl;
+  while(1){
+    if(!IsUser){
+      SystemLogin();
+    }else{
+       SystemProductQuestions();
+    }
+  }
+};
+
+void ExamSystem::SystemLogin(){
+  std::cout<<"请输入账号 密码登录：";
+  std::string Input;
+  getline(std::cin,Input);
+  Input = tool::EreaseEmpty(Input);
+  if(Input.empty()){
+    return ;
+  }
+  std::vector<std::string> tokens = tool::split(Input);
+  if(tokens.size() != 2){
+    std::cout<<std::endl<<"请输入正确的用户名、密码：";
+    return ;
+  }
+  currentUser = authenticator.authenticate(tokens[0],tokens[1]);
+  if(currentUser == nullptr){
+    std::cout<<std::endl<<"请输入正确的用户名、密码：";
+    return ;
+  }else{
+    std::cout<<std::endl<<"准备生成"<<currentUser->UserType<<"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)：";
+    IsUser = true;
+  }
+}
+
+void ExamSystem::SystemProductQuestions(){
+  std::string Input;
+  getline(std::cin,Input);
+  if(Input == "-1"){
+    currentUser = nullptr;
+    IsUser = false;
+    return ;
+  }
+
+  std::regex switchPattern("切换为(\\S+)");
+  std::smatch match;
+
+  if(std::regex_match(Input,match,switchPattern)){
+    std::string newType = match[1].str();
+    handleSwitchType(newType);
+    return ;
+  }
+
+  if(!tool::isNumber(Input)){
+    std::cout<<"请输入有效的数字（10~30）"<<std::endl;
+    return ;
+  }
+
+  int count = stoi(Input);
+  if(count < 10||count >30){
+    std::cout<<"题目数量范围应为10~30"<<std::endl;
+    return ;
+  }
+
+  ProductQuestion(count);
+}
+
+void ExamSystem::handleSwitchType(const std::string& newtype){
+  std::vector<std::string> Levels = {"小学","初中","高中"};
+  bool isLevel = false;
+
+  for(std::string Level:Levels){
+    if(Level == newtype){
+      isLevel = true;
+    }
+  }
+
+  if(!isLevel){
+    std::cout<<"请输入小学、初中和高中三个选项中的一个"<<std::endl;
+    return ;
+  }
+  currentUser->UserType = newtype;
+  std::cout<<"准备生成"<<currentUser->UserType<<"数学题目，请输入生成题目数量：";
+}
+
+void ExamSystem::ProductQuestion(int num){
+  std::cout<<"正在生成"<<num<<"道"<<currentUser->UserType<<"数学题目，请耐心等待ovo"<<std::endl;
+ 
+  std::set<std::string> hadquestion = fileManage.getQuestions(currentUser->UserName);
+  std::vector<Question> newquestions;
+  int id = 1;
+  while(id <= num){
+    Question tempQuestion = questionProduction.questionProduction(id,currentUser->UserType);
+    int QuestionNum = hadquestion.size();
+    hadquestion.insert(tempQuestion.content);
+    if(QuestionNum != hadquestion.size()){
+        newquestions.push_back(tempQuestion);
+        id++;
+    }
+  }
+  std::string filename = fileManage.saveQuestions(currentUser->UserName,newquestions);
+  std::cout<<"试卷已成功生成并保存"<<std::endl;
+  std::cout<<"成功生成"<<num<<"道"<<currentUser->UserType<<"数学题目，保存至 "<<filename<<" 文件内"<<std::endl;
+
+}
+
+int main(){
+    ExamSystem system;
+    system.systemRun();
+    return 0;
+}
\ No newline at end of file
-- 
2.34.1


From 60a0c0def3a890cc80386b57aedfe6c071e95d20 Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:43:39 +0800
Subject: [PATCH 07/11] ADD file via upload

---
 src/question_product.cpp | 115 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 src/question_product.cpp

diff --git a/src/question_product.cpp b/src/question_product.cpp
new file mode 100644
index 0000000..392ed9f
--- /dev/null
+++ b/src/question_product.cpp
@@ -0,0 +1,115 @@
+#include"question_product.h"
+#include<cstdlib>
+#include<ctime>
+
+int QuestionProduction::randnum(int min,int max){
+  int num = (rand()%(max - min + 1)) + min;
+  return num;
+}
+
+Question QuestionProduction::questionProduction(int questionId,const std::string& usertype){
+    int operationnum = randnum(1,5);
+    std::vector<int> operations;
+
+    for(int i = 0;i < operationnum;i++){
+        operations.push_back(randnum(1,100));
+    }
+
+    if(usertype == "小学"){
+        return primaryProduction(questionId,operations);
+    }else if(usertype == "初中"){
+        return juniorProduction(questionId,operations);
+    }else if(usertype == "高中"){
+        return seniorProduction(questionId,operations);
+    }
+}
+
+
+Question QuestionProduction::primaryProduction(int questionId,const std::vector<int>&operation){
+  if(operation.size() == 1){
+    std::string expression = std::to_string(operation[0]);
+    return Question(questionId,expression);
+  }
+
+  std::string expression = std::to_string(operation[0]);
+
+  for(int i = 1;i < operation.size();i++){
+    std::string op = primaryWay[randnum(0,primaryWay.size() - 1)];
+    bool ifbracket = randnum(0,1);
+    if(ifbracket){
+      expression = "(" + expression + " " + op + " " + std::to_string(operation[i]) + ")";
+    }else{
+      expression = expression + " " + op + " " + std::to_string(operation[i]);
+    }
+    }
+
+  return Question(questionId,expression);
+}
+
+Question QuestionProduction::juniorProduction(int questionId,const std::vector<int>&operation){
+  std::string expression = std::to_string(operation[0]);
+  bool ifSpecialop = false;
+  
+  for(int i = 1;i < operation.size();i++){
+    if(randnum(0,1) == 1){
+        if(randnum(0,1) == 1){
+            expression = "√" + expression;
+        }else{
+            expression = "(" + expression + ")?";
+        }
+        ifSpecialop = true;
+    }
+    std::string op = primaryWay[randnum(0,primaryWay.size() - 1)];
+    bool ifbracket = randnum(0,1);
+    if(ifbracket){
+      expression = "(" + expression + " " + op + " " + std::to_string(operation[i]) + ")";
+    }else{
+      expression = expression + " " + op + " " + std::to_string(operation[i]);
+    }
+  }
+
+  if(!ifSpecialop){
+    if(randnum(0,1) == 1){
+            expression = "√" + expression;
+        }else{
+            expression = "(" + expression + ")?";
+        }
+  }
+
+  return Question(questionId,expression);
+}
+
+Question QuestionProduction::seniorProduction(int questionId,const std::vector<int>&operation){
+  std::string expression = std::to_string(operation[0]);
+  bool ifTrigonometric = false;
+
+  for(int i = 1;i < operation.size();i++){
+    if(randnum(0,1)){
+      std::vector<std::string>trigFuns = {"sin","cos","tan"};
+      std::string trigFun = trigFuns[randnum(0,2)];
+      expression = trigFun + "(" + expression + ")";
+      ifTrigonometric = true;
+    }else if(randnum(0,2) == 0){
+        if(randnum(0,1) == 1){
+            expression = "√" + expression;
+        }else{
+            expression = "(" + expression + ")?";
+        }
+    }
+    std::string op = primaryWay[randnum(0,primaryWay.size() - 1)];
+    bool ifbracket = randnum(0,1);
+    if(ifbracket){
+      expression = "(" + expression + " " + op + " " + std::to_string(operation[i]) + ")";
+    }else{
+      expression = expression + " " + op + " " + std::to_string(operation[i]);
+    }
+  }
+
+  if(!ifTrigonometric){
+    std::vector<std::string>trigFuns = {"sin","cos","tan"};
+    std::string trigFun = trigFuns[randnum(0,2)];
+    expression = trigFun + "(" + expression + ")";
+  }
+
+  return Question(questionId,expression);
+}
-- 
2.34.1


From f8e40c1151d1ab57a5ea2a2c52bec96636dfde2f Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:44:51 +0800
Subject: [PATCH 08/11] ADD file via upload

---
 src/question_product.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/question_product.h

diff --git a/src/question_product.h b/src/question_product.h
new file mode 100644
index 0000000..0b8aed3
--- /dev/null
+++ b/src/question_product.h
@@ -0,0 +1,23 @@
+#ifndef QUESTION_PRODUCT_H
+#define QUESTION_PRODUCT_H
+
+#include"case.h"
+#include<vector>
+#include<string>
+
+class QuestionProduction{
+  private:
+    std::vector<std::string>primaryWay = {"+","-","*","/"};
+    std::vector<std::string>juniorWay = {"+","-","*","/","虏","鈭�"};
+    std::vector<std::string>seniorWay = {"+","-","*","/","虏","鈭�","sin","cos","tan"};
+
+    Question primaryProduction(int questionId,const std::vector<int>&operation);
+    Question juniorProduction(int questionId,const std::vector<int>&operation);
+    Question seniorProduction(int questionId,const std::vector<int>&operation);
+  public:
+    Question questionProduction(int questionId,const std::string& usertype);
+    int randnum(int min,int max);
+};
+
+
+#endif
\ No newline at end of file
-- 
2.34.1


From 8c5f749e2d9ff22e615bf34517612b01d0017482 Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:45:00 +0800
Subject: [PATCH 09/11] ADD file via upload

---
 src/tool.cpp | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/tool.cpp

diff --git a/src/tool.cpp b/src/tool.cpp
new file mode 100644
index 0000000..2659168
--- /dev/null
+++ b/src/tool.cpp
@@ -0,0 +1,58 @@
+#include"tool.h"
+#include<sstream>
+#include<ctime>
+
+
+std::vector<std::string>tool::split(const std::string& str){
+  std::istringstream iss(str);
+  std::vector<std::string> tokens;
+  std::string token;
+  std::istringstream tokenStream(str);
+
+  while(std::getline(tokenStream,token,' ')){
+    tokens.push_back(token);
+  }
+
+  return tokens;
+}
+
+bool tool::isNumber(const std::string& str){
+  if(str.empty()){
+    return false;
+  }
+
+  int start = 0;
+  if(str[0] == '-'){
+    if(str.size() == 1){
+        return false;
+    }
+    start = 1;
+  }
+
+  for(int i = start;i < str.size();i++){
+    if(!isdigit(str[i])){
+        return false;
+    }
+  }
+
+  return true;
+}
+
+std::string tool::getCurrentTime(){
+  time_t now = time(0);
+  tm* ltm = localtime(&now);
+  char buffer[80];
+  strftime(buffer,80,"%Y-%m-%d-%H-%M-%S",ltm);
+  std::string nowTime = buffer;
+  return nowTime;
+}
+
+std::string tool::EreaseEmpty(const std::string& question){
+  int start = question.find_first_not_of("\t\n\r");
+  int end = question.find_last_not_of("\t\n\r");
+  if(start == std::string::npos||end == std::string::npos){
+    return "";
+  }
+  
+  return question.substr(start,end - start + 1);
+}
\ No newline at end of file
-- 
2.34.1


From 8078392b38d8084d8894e697ad5f853b499fa379 Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:45:09 +0800
Subject: [PATCH 10/11] ADD file via upload

---
 src/tool.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/tool.h

diff --git a/src/tool.h b/src/tool.h
new file mode 100644
index 0000000..9555959
--- /dev/null
+++ b/src/tool.h
@@ -0,0 +1,17 @@
+#ifndef TOOL_H
+#define TOOL_H
+
+#include<string>
+#include<vector>
+
+namespace tool{
+    std::vector<std::string>split(const std::string& str);
+
+    bool isNumber(const std::string& str);
+
+    std::string getCurrentTime();
+
+    std::string EreaseEmpty(const std::string& question);
+}
+
+#endif
\ No newline at end of file
-- 
2.34.1


From a7c45bde3f83d45f55ba4d6f585d90a78638663e Mon Sep 17 00:00:00 2001
From: hnu202326010401 <2263510185@qq.com>
Date: Tue, 30 Sep 2025 15:52:20 +0800
Subject: [PATCH 11/11] ADD file via upload

---
 doc/璇存槑鏂囨。.md | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 doc/璇存槑鏂囨。.md

diff --git a/doc/璇存槑鏂囨。.md b/doc/璇存槑鏂囨。.md
new file mode 100644
index 0000000..abd88c6
--- /dev/null
+++ b/doc/璇存槑鏂囨。.md
@@ -0,0 +1,3 @@
+windows骞冲彴
+鏃犲弬鏁拌缃�
+缂栫爜GBK
\ No newline at end of file
-- 
2.34.1