ADD file via upload

src/main.cpp

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+#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;
+}