学生管理系统-白红宇

学生管理系统

阅读量：5246 次

发布时间：2019-06-14

本文共 29525 字，大约阅读时间需要 98 分钟。

"Couse.h" #ifndef COURSE_H #define COURSE_H #include
     
       #include
      
        #include
       
         #include
        
          #include
         
           using namespace std; class Course{
    private: string courseName; double score; bool isBixiu; public:     Course *next; //构造函数     Course(string nameVal,double scoreVal,bool isVal,Course *nextVal = NULL);     Course(Course* nextVal = NULL); void setCourseName(string ); void setScore(double ); void setIsBixiu(bool); bool getIsBixiu(); string getCourseName(); double getScore(); }; #endif

//"deleteStudent.cpp" #include"record.h" bool VerifyDelete(); void Record::deleteStudent(){
    /*system("cls");     char search_string[20];     current_ptr = head_ptr;     if(current_ptr ==NULL){
            cout<<"没有要删除的记录"<
     
      getName()==search_string){
                if(flag==0)cout<<"找到记录 ！"<
      
       getName()<<"\t\t"<
       
        getID()<
        
         getName()<<"\t"<
         
          getID()<<"\t记录已经删除\n";                 DeleteNode();                 getPause();             }             else                 cout<
          
           getName()<<"\t"<
           
            getID()<<"\t该记录未删除"<
            
             next; } if(flag == 0) cout<<"该记录不存在，请核实后继续操作 ！"<
             
              >choice; if(choice=="1")this->searchByName(); else if(choice=="2")this->searchByID(); else if(choice=="3")this->mainPage(); else { error(); return ; } if(VerifyDelete()) DeleteNode(); cout<<"\n信息已经成功删除。"<
              
               >yesno; if(yesno == "y" ) return 1; else if(yesno =="n") return 0; else { char pause; cout<<"\n输入有误。"<
               
                next == NULL) DeleteNodeAtEnd();//在表尾删除 else DeleteNodeAtMiddle();//在链表中部删除 } } void Record::DeleteNodeAtHead(){ if(head_ptr->next ==NULL){ //如果只有头结点 delete head_ptr; head_ptr = tail_ptr = current_ptr = NULL; return; } head_ptr = head_ptr->next; head_ptr->prior = NULL; delete current_ptr; current_ptr = head_ptr; return; } void Record::DeleteNodeAtEnd(){ tail_ptr = tail_ptr->prior; tail_ptr->next = NULL; delete current_ptr; current_ptr = NULL; return; } void Record::DeleteNodeAtMiddle(){ Student *temp_ptr; temp_ptr = current_ptr; current_ptr = current_ptr->next;//删除完自动跳到下一结点 temp_ptr->prior->next = current_ptr; current_ptr->prior = temp_ptr ->prior; delete temp_ptr; return; }

//“Student.h 文件” #ifndef STUDENT_H #define STUDENT_H #include"course.h" class Student{
    private: string name; string ID; public: //文档信息     string sex; string phone; string birthday; string reword; string punishment; string activity; string hobby; //统计信息成员变量（暂且定义为public,简化代码。）     double total; double ave; int unpassed; int courseNum; bool needUpdate;     Course* head;     Course* tail;     Course* fence;//使用教材中的定义 //学生条目的存储使用双向链表实现     Student* next;//指向上一个学生     Student* prior;//指向后一个学生     Student();//构造函数     void setName(string valName); void setID(string setID); string getName(); string getID(); //与课程添加删除相关的函数声明 //课程信息用单向量表实现     void clear();//清空学生的所有课程信息     void setStart();//指针置前     void setEnd(); void nextItem(); bool getValue(string& name,double& score,bool& is); bool insert(string name,double score,bool is); bool remove(string &name,double &score,bool& is); void pre(); bool setPos(string name); void print(); bool find(string name); }; #endif

//"main.cpp" #include"record.h" Record myrecord; int main(){
        myrecord.head_ptr = NULL;     myrecord.tail_ptr = NULL;     myrecord.loadCourse();//将该班级的必修课程科目载入数组Bixiu[string] 中，之后有用     if(myrecord.loadFile())         myrecord.mainPage(); else {
            cout<<"\n没有导入文件，退出。"<
     
      >choice;         myrecord.userChoice(choice);//处理选择     }while(choice!="0"); }

"Record.h 文件" #ifndef RECORD_H #define RECORD_H #include"student.h" class Record{
    public:     Student* head_ptr;     Student* tail_ptr;     Student* current_ptr;     vector
     
      Bixiu;        //暂存的必修课程名称     char pause; string className; void userChoice(string choice);//用户选择函数     void insertStudent();        //插入学生信息函数     void deleteStudent();        //删除学生信息     void insertCourse();        //添加课程     void deleteCourse();        //删除课程     void inputScore();            //输入课程分数     void calculate();            //计算统计     void list();                //列表显示     bool search();                //信息搜索     void sort();                //信息排序     bool loadFile();            //文件载入     void saveFile();            //文件存储     void modify();                //信息修改     void outputTXT();            //txt文档输出 void insertNode(Student *);                //插入结点子函数声明     void InsertNodeAtHead(Student* new_ptr);//插入表头的子函数声明        void InsertNodeAtEnd(Student* new_ptr);    //插入表尾的子函数声明 void DeleteNode();                        //删除链表结点     void DeleteNodeAtHead();                //在表头删除     void DeleteNodeAtEnd();                    //在表尾删除     void DeleteNodeAtMiddle();                //在链表中部删除 //查找辅助子函数     bool searchByName(); bool searchByID(); //插入辅助子函数     void insertXuanxiu(); void insertBixiu(); void insertSingleBixiu(); //删除辅助子函数     void deleteXuanxiu(); void deleteBixiu(); //显示辅助子函数     void comuCOUT(); void studentCOUT(); void courseCOUT(); void error(); void listOUT(); void getPause(); bool requireList(); void listSingle(); //文档输出辅助子函数     void comuTXT(); void paperTXT(); void courseTXT(); void docTXT(); void listTXT(); //统计计算辅助子函数     void calForEach();//每一名学生的成绩信息统计     void calForCourse(); //控制辅助子函数     void mainPage(); bool onlyNumber(string PhoneNumber); bool onlySex(string sex); void fileInput(); //修改辅助函数     void modifyDetail(); void modifyDoc(); void modifyCourse(); //初始化辅助函数     void loadCourse();//将该班级的必修课程科目载入数组Bixiu[string] 中     void fileOutput(); void zero();//成绩统计清零 }; #endif

//"calculate.cpp " #include"record.h" void Record::calculate(){
    string choice;     system("cls");     cout<
     
      <<"    ----------------计算统计信息-----------------"<
      
       <
       
        >choice; if(choice == "1"){
            system("cls");         cout<<"       ----对某个学生成绩信息进行计算统计----"<
        
         >choice; if(choice=="1"){
    if(searchByName()){
                    system("cls"); this->calForEach();                 cout<<"**************************************************************"<
         
          <
          
           getName()<
           
            <
            
             getID()<
             
              getName()<<" 学号："<
              
               getID()<
               
                print(); cout<
                
                 <<" 该学生所修科目总数："<
                 
                  courseNum<<" 不及格总数："<
                  
                   unpassed<
                   
                    total<<" 平均成绩为："<
                    
                     ave<
                     
                      calForEach(); cout<<"**************************************************************"<
                      
                       <
                       
                        getName()<
                        
                         <
                         
                          getID()<
                          
                           getName()<<" 学号："<
                           
                            getID()<
                            
                             print(); cout<
                             
                              <<" 该学生所修科目总数："<
                              
                               courseNum<<" 不及格总数："<
                               
                                unpassed<
                                
                                 total<<" 平均成绩为："<
                                 
                                  ave<
                                  
                                   >tempName; int studentNum = 0; double total = 0; double max = 0; double min = 100; double ave = 0; int unpassed = 0; bool isVal=false; double rate = 0.0; bool isHasStudent = false; current_ptr=head_ptr; while(current_ptr!=NULL){ if(current_ptr->find(tempName)){ isHasStudent = true; cout<
                                   
                                    <<"********"<
                                    
                                     getName()<<" "<
                                     
                                      fence->next->getScore()<<"********"<
                                      
                                       fence->next->getIsBixiu(); studentNum++;//选课人数统计 double tempScore = current_ptr->fence->next->getScore(); if(tempScore<60)unpassed++;//不及格人数统计 total+=tempScore;//总分数统计 if(tempScore
                                       
                                        max)max = tempScore;//最高成绩统计 ave = total/(double)studentNum;//平均成绩统计 rate = (double)(studentNum-unpassed)/studentNum;//及格率计算 } current_ptr = current_ptr->next; } if(isHasStudent){ cout<<"\n 课程名称："<
                                        
                                         <<" 课程属性："; if(isVal)cout<<"必修课"<
                                         
                                          fence = current_ptr->head; while(current_ptr->fence->next != NULL){ current_ptr->courseNum++; //课程总数统计 current_ptr->total+=current_ptr->fence->next->getScore(); //总分相加 if(current_ptr->fence->next->getScore()<60) //不及格科目统计 current_ptr->unpassed++; current_ptr->fence = current_ptr->fence->next; } current_ptr->ave = current_ptr->total/(double)current_ptr->courseNum;//平均分统计 } void Record::zero(){ current_ptr->total = 0; current_ptr->courseNum = 0; current_ptr->unpassed = 0; }

//"course.cpp" #include"course.h" Course::Course(string nameVal,double scoreVal,bool isVal,Course* nextVal){
        courseName = nameVal;     score = scoreVal;     isBixiu = isVal;     next = nextVal; } Course::Course(Course* nextVal){
        next = nextVal; } void Course::setCourseName(string valName){
        courseName = valName; } void Course::setScore(double valScore){
        score  = valScore; } string Course::getCourseName(){
    return courseName; } double Course::getScore(){
    return score; } void Course::setIsBixiu(bool isVal){
        isBixiu = isVal; } bool Course::getIsBixiu(){
    return isBixiu; }

//"deleteCourse.cpp" #include"record.h" void Record::deleteCourse(){
        system("cls"); string choice;     system("cls");     cout<
     
      <<"    -------------课程删除----------------"<
      
       <
       
        >choice; if(choice == "1") deleteBixiu(); else if(choice =="2")        deleteXuanxiu(); else if(choice=="3")mainPage(); else {
            error(); return;     } } void Record::deleteBixiu(){
    string search_string;     cout<<"\n请输入要删除的课程的名称：";     cin>>search_string;     current_ptr = head_ptr; while(current_ptr!=NULL){
    if(current_ptr->find(search_string)&&current_ptr->fence->next != NULL){
    if(!current_ptr->fence->next->getIsBixiu()){
    //判断该课程是否为必修                 cout<<"\n该课程为选修课程，请重新进行正确的选择。"<
        
         remove(tempName,tempScore,tempIs);             cout<<"\n"<
         
          getName()<<"的"<
          
           <<"课程已经删除 "<
           
            next; } getPause(); } void Record::deleteXuanxiu(){ if(searchByName()){ string search_string; cout<<"\n请输入要删除的课程的名称："; cin>>search_string; if(current_ptr->find(search_string)&&current_ptr->fence->next != NULL){ if(current_ptr->fence->next->getIsBixiu()){ //判断该课程是否为选修 cout<<"\n该课程为必修课程，不能对给别学生进行课程删除操作。"<
            
             remove(tempName,tempScore,tempIs); cout<
             
              <
              
               getName()<<"的"<
               
                <<"已经删除成功 "<

//"fileIO.cpp" #include"record.h" void Record::outputTXT(){
    string choice;     system("cls");     cout<
     
      <<"    ---------------打印输出------------------"<
      
       <
       
        >choice; if(choice=="1")         listTXT(); else if(choice=="2")         comuTXT(); else if(choice=="3")         paperTXT(); else if(choice=="4")         courseTXT(); else if(choice=="5")         docTXT(); else if(choice=="6")         mainPage(); else         error(); } void Record::listTXT(){
        ofstream outfile; string fileName;     fileName = this->className+"班级基本信息表.txt";     outfile.open(fileName,ios::out); if(outfile){
            current_ptr = head_ptr; if(head_ptr ==NULL){
            cout<<"记录为空，还未添加记录 ！"<
        
         loadCourse();//将该班级的必修课程科目载入数组Bixiu[string] 中 //system("cls");     outfile<<"*********************全部学生基本信息列表**********************"<
         
          <
          
           calForEach();//调用函数对该学生的成绩进行统计 outfile<<"|"<
           
            <
            
             getName()<
             
              <<"|"<
              
               <
               
                getID()<
                
                 <<"|"; for(int i=0;i
                 
                  find(Bixiu[i]); outfile<
                  
                   <
                   
                    fence->next->getScore()<
                    
                     <<"|"; } outfile<
                     
                      next; }while(current_ptr!=NULL); cout<<"\n文件生成成功。"<
                      
                       className+"班级同学录.txt"; outfile.open(fileName,ios::out); if(outfile){ int i=1; current_ptr = head_ptr; do{ outfile<
                       
                        <<"第"<
                        <<"个同学"<
                         
                          getName()<<" 学号："<
                          
                           getID()<
                           
                            sex<<" 电话号码："<
                            
                             phone<<" 爱好："<
                             
                              hobby<
                              
                               activity<
                               
                                reword<
                                
                                 punishment<
                                 
                                  next; i++; }while(current_ptr!=NULL); cout<<"\n文件创建成功。"<
                                  
                                   >x; if(x == "n"){ getPause(); return ; } else if(x =="y"){ ofstream outfile; string fileName; fileName = current_ptr->getName()+"成绩单文件.txt"; outfile.open(fileName,ios::out); if(outfile){ outfile<
                                   
                                    <<" ---------------该同学的课程信息如下------------"<
                                    
                                     getName()<<" 学号："<
                                     
                                      getID()<
                                      
                                       <
                                       
                                        fence = current_ptr->head; if(current_ptr->fence->next == NULL) outfile<<"该同学目前还未选择任何课程 ！"<
                                        
                                         fence->next != NULL){ outfile<<" "<
                                         
                                          <
                                          
                                           <
                                           
                                            fence->next->getCourseName()<
                                            
                                             <
                                             
                                              fence->next->getScore(); if(current_ptr->fence->next->getIsBixiu())outfile<
                                              
                                               <<"必修课"<
                                               
                                                fence = current_ptr->fence->next; } outfile<
                                                
                                                 <<"\n 该学生所修科目总数："<
                                                 
                                                  courseNum<<" 不及格总数："<
                                                  
                                                   unpassed<
                                                   
                                                    total<<" 平均成绩为："<
                                                    
                                                     ave<
                                                     
                                                      >tempName; ofstream outfile; string fileName; fileName = className+tempName+"成绩单文件.txt"; outfile.open(fileName,ios::out); if(outfile){ int studentNum = 0; double total = 0; double max = 0; double min = 100; double ave = 0; int unpassed = 0; bool isVal; double rate; outfile<<"*************"<
                                                      
                                                       <<"成绩单************"<
                                                       
                                                        find(tempName)){ outfile<
                                                        
                                                         getName()<<" "<
                                                         
                                                          fence->next->getScore()<
                                                          
                                                           fence->next->getIsBixiu(); studentNum++;//选课人数统计 double tempScore = current_ptr->fence->next->getScore(); if(tempScore<60)unpassed++;//不及格人数统计 total+=tempScore;//总分数统计 if(tempScore
                                                           
                                                            max)max = tempScore;//最高成绩统计 ave = total/(double)studentNum;//平均成绩统计 rate = (double)(studentNum-unpassed)/studentNum;//及格率计算 } current_ptr = current_ptr->next; } outfile<<"\n课程属性："; if(isVal)outfile<<"必修课"<
                                                            
                                                             >x; if(x == "n"){ getPause(); return ; } else if(x =="y"){ ofstream outfile; string fileName; fileName = current_ptr->getName()+"档案文件.txt"; outfile.open(fileName,ios::out); if(outfile){ outfile<<"**************************************************************"<
                                                             
                                                              <
                                                              
                                                               getName()<<" 学号："<
                                                               
                                                                getID()<
                                                                
                                                                 sex<<" 电话号码："<
                                                                 
                                                                  phone<<" 爱好："<
                                                                  
                                                                   hobby<
                                                                   
                                                                    activity<
                                                                    
                                                                     reword<
                                                                     
                                                                      punishment<
                                                                      
                                                                       sex<<" 电话号码："<
                                                                       
                                                                        phone<<" 爱好："<
                                                                        
                                                                         hobby<
                                                                         
                                                                          activity<
                                                                          
                                                                           reword<
                                                                           
                                                                            punishment<

//"init.cpp" #include"record.h" void Record::loadCourse(){
    //将该班级的必修课程科目载入数组Bixiu[string] 中     this->Bixiu.clear(); if(head_ptr != NULL){
            head_ptr->fence = head_ptr->head; while(head_ptr->fence->next != NULL){
    if(head_ptr->fence->next->getIsBixiu()) this->Bixiu.push_back(head_ptr->fence->next->getCourseName());         head_ptr->fence = head_ptr->fence->next;         }     } } bool Record::onlyNumber(string numbers){
    bool isOnly = true; for(int i=0;i
     
      '9'){
                isOnly = false; break;         }     } return isOnly; } bool Record::onlySex(string sex){
    if(sex=="男"||sex=="女") return true; else return false; }

//"inputScore.cpp" #include"record.h" void Record::inputScore(){
    double tempScore;     cout<<"\n\n请输入"<
     
      getName()<<"同学的"<
      
       fence->next->getCourseName()<<"成绩：";     cin>>tempScore;     current_ptr->fence->next->setScore(tempScore); /*cout<
       
        <<"\n成绩输入完毕。"<
        
         fence->next->getCourseName()<
         
          <
          
           fence->next->getScore(); if(current_ptr->fence->getIsBixiu())cout<
           
            <<"必修课"<

//"insertCourse.cpp" #include"record.h" void inputMes(); void Record::insertCourse(){
    string choice;     system("cls");     cout<
     
      <<"    ------------增加课程---------------"<
      
       <
       
        >choice; if(choice == "1") insertBixiu(); else if(choice =="2")insertXuanxiu(); else if(choice =="3") mainPage(); else error(); } void Record::insertXuanxiu(){
    if(searchByName()){
    string newCourseName; double newCourseScore;         cout<<"\n添加的选修科目名称：";         cin>>newCourseName;         cout<<"\n该选修课程的成绩：";         cin>>newCourseScore;         current_ptr->insert(newCourseName,newCourseScore,false);         cout<<"\n已经为该同学添加了"<
        
         <<"选修课程 。"<
         
          >newCourseName;     current_ptr = head_ptr; while(current_ptr != NULL){
            current_ptr->insert(newCourseName,0,true); this->inputScore();         zero();         current_ptr = current_ptr->next;     }     cout<<"\n已经为每一名同学添加了"<
          
           <<"必修课程 。"<
           
            loadCourse(); if(Bixiu.size() ==0){ cout<<"\n该班级未有必修课程,无需添加必修课程"<
            
             >tempScore; current_ptr->insert(Bixiu[i],tempScore,true); } }

//"insertNode.cpp" #include"record.h" void Record::insertNode(Student* new_ptr){
        system("cls"); //friend_node *temp_ptr; //情况一：双向链表为空     if(head_ptr==NULL){
            new_ptr->next = NULL;         new_ptr->prior = NULL;         head_ptr = new_ptr;         tail_ptr = new_ptr;         current_ptr= new_ptr; return;     } //情况二：如果链表中只有一个结点     if(head_ptr->next==NULL){
    if(new_ptr->getName() < head_ptr->getName())             InsertNodeAtHead(new_ptr); else             InsertNodeAtEnd(new_ptr); return;     } //情况三：链表中不为一个结点     if(head_ptr->next!=NULL){
            current_ptr = head_ptr; while((current_ptr!=NULL)//这两个判断条件不能颠倒，否则会出现严重错误 ！！！             &&(new_ptr->getName() > current_ptr->getName()))             current_ptr = current_ptr->next; if(current_ptr == head_ptr)             InsertNodeAtHead(new_ptr); else if(current_ptr == NULL )             InsertNodeAtEnd(new_ptr); else//如果没有查找完整个表，并且满足排序条件推出， //欲插入结点应该插入current_ptr之前         {
                new_ptr->next = current_ptr;             new_ptr->prior = current_ptr->prior;             current_ptr->prior->next = new_ptr;             current_ptr->prior = new_ptr;         } return ;     }        } //插入表头子函数实现 void Record::InsertNodeAtHead(Student* new_ptr){
        new_ptr->next = head_ptr;     new_ptr->prior = NULL;     head_ptr->prior = new_ptr;     head_ptr = new_ptr; } //插入表尾子函数实现 void Record::InsertNodeAtEnd(Student* new_ptr){
        new_ptr->prior = tail_ptr;     new_ptr->next = NULL;     tail_ptr->next = new_ptr;     tail_ptr = new_ptr; }

//"insertStudent.cpp" #include"record.h" #include
     
       using namespace std; Student *new_ptr; void inputMes();//基本信息输入的子函数 void Record::insertStudent(){
        new_ptr = new Student; if(new_ptr!=NULL){
            inputMes();//调用子函数 //insertNode(new_ptr); //输入文档信息 。。。         cout<<"\n是否需要输入文档信息？（y/n）"; string tempChar;         cin>>tempChar; if(tempChar == "y")             fileInput(); else if(tempChar == "n"){
                cout<<"\n如果以后需要添加该学生的文档信息，可以在主菜单里的“9_信息修改”中进行操作。"<
      
       current_ptr = new_ptr; this->insertSingleBixiu();         cout<<"\n是否需要继续添加选修课程?(y/n):";         cin>>tempChar; while(tempChar == "y"){
    string newCourseName; double newCourseScore;             cout<<"\n添加的选修科目名称：";             cin>>newCourseName;             cout<<"\n该选修课程的成绩：";             cin>>newCourseScore;             current_ptr->insert(newCourseName,newCourseScore,false);             cout<<"\n已经为该同学添加了"<
       
        <<"选修课程 。"<
        
         >tempChar;         } if(tempChar == "n"){
                cout<<"\n以后还可以在主界面中“3_添加课程信息”一栏中进行课程的添加。"<
         
          >tempName;         new_ptr->setName(tempName); //输入学号         cout<<"学号："; string tempID;         cin>>tempID;         new_ptr->setID(tempID); } void Record::fileInput(){
    string tempInput;     cout<<"\n请输入性别："; string temp;                 cin>>temp; if(onlySex(temp)){
                        current_ptr->sex  = temp;                 } else{
                        cout<<"信息输入有误，请注意：性别只能是男或者女。"<
          
           >temp; if(onlyNumber(temp)){ current_ptr->phone = temp; } else{ cout<<"信息输入有误，请注意：电话号码只能是数字。"<
           
            >new_ptr->hobby; cout<<"\n请输入该生曾经参加过的活动："; cin>>new_ptr->activity; cout<<"\n请输入该生曾经获得过的奖励："; cin>>new_ptr->reword; cout<<"\n请输入该生曾经遭受过的惩罚："; cin>>new_ptr->punishment; }

//"list.cpp" #include"record.h" using namespace std; void Record::list(){
        system("cls"); string choice;     cout<
     
      <<"    --------------屏幕显示---------------"<
      
       <
       
        >choice; if(choice=="1")         listOUT(); else if(choice=="2")         comuCOUT(); else if(choice=="3")         studentCOUT(); else if(choice=="4")         courseCOUT(); else if(choice=="5")         mainPage(); else error(); } void Record::listOUT(){
        current_ptr = head_ptr; if(head_ptr ==NULL){
            cout<<"记录为空，还未添加记录 ！"<
        
         loadCourse();//将该班级的必修课程科目载入数组Bixiu[string] 中     system("cls");     cout<<"*********************全部学生基本信息列表**********************"<
         
          <
          
           calForEach();//调用函数对该学生的成绩进行统计 cout<<"|"<
           
            <
            
             getName()<
             
              <<"|"<
              
               <
               
                getID()<
                
                 <<"|"; for(int i=0;i
                 
                  find(Bixiu[i]); cout<
                  
                   <
                   
                    fence->next->getScore()<
                    
                     <<"|"; } cout<
                     
                      next; }while(current_ptr!=NULL); getPause(); } void Record::comuCOUT(){ system("cls"); int n = 1; int i; current_ptr = head_ptr; if(head_ptr ==NULL){ cout<<"记录为空，还未添加记录 ！"<
                      
                       next; i++; //}while(current_ptr!=NULL&&i<=n); if(current_ptr!=NULL){ getPause(); } else cout<<"文件结束"<
                       
                        >choice; if(choice=="1"){ if(searchByName())listSingle(); getPause(); } else if(choice == "2"){ if(searchByID())listSingle(); getPause(); } else if(choice=="3")list(); else if(choice=="4")mainPage(); else error(); } void Record::courseCOUT(){ calForCourse(); } void Record::error(){ cout<<"\n输入有误。"<
                        
                         calForEach(); cout<<"**************************************************************"<
                         
                          <
                          
                           getName()<
                           
                            <
                            
                             getID()<
                             
                              getName()<<" 学号："<
                              
                               getID()<
                               
                                print(); cout<
                                
                                 <<" 该学生所修科目总数："<
                                 
                                  courseNum<<" 不及格总数："<
                                  
                                   unpassed<
                                   
                                    total<<" 平均成绩为："<
                                    
                                     ave<

//"loadFile.cpp" #include"record.h" bool Record::loadFile(){
    string fileName; string choice;     cout<<"    --------------------班级文件载入系统----------------------"<
     
      <
      
       >choice;     ifstream infile;     Student *new_ptr; if(choice =="1") {
            fileName ="FRIENDS.dat"; this->className = "FRIENDS";     } else if(choice=="2"){
        cout<<"\n请输入你要打开的班级文件，输入班级名称即可：";     cin>>this->className;     fileName = className+".dat";     } else if(choice=="3") return false; else {
            error(); return false;     } int end_loop = 0;     infile.open(fileName,ios::in); if(infile){
    do{
                new_ptr = new Student; if(new_ptr!=NULL){
    string tempName;                 infile>>tempName;                 new_ptr->setName(tempName); if(new_ptr->getName() != "文件结束" &&new_ptr->getName() != ""){
    string tempID;                         infile>>tempID;                         new_ptr->setID(tempID); //内层循环读取课程信息                         infile>>tempName; double tempScore; bool tempIs; while(tempName != "课程结束"){
                                infile>>tempScore;                             infile>>tempIs;                             new_ptr->insert(tempName,tempScore,tempIs);                             infile>>tempName;                         } //读取文档信息                         infile>>new_ptr->sex;                         infile>>new_ptr->phone;                         infile>>new_ptr->hobby;                         infile>>new_ptr->activity;                         infile>>new_ptr->reword;                         infile>>new_ptr->punishment;                         insertNode(new_ptr);                 } else{
                        delete new_ptr;                     end_loop = 1;                 }             } else{
                    cout<<"\n没有成功从磁盘导入文件 ！"<
       
        >tempString; if(tempString == "y"){
                outfile.open(fileName,ios::out);             cout<<"\n班级文件创建成功。"<

//"modify.cpp" #include"record.h" void Record::modify(){
        system("cls");         cout<<"         ----对某个学生信息进行修改----"<
     
      >choice; bool isFind = false; if(choice=="1")isFind = searchByName(); else if(choice =="2")isFind = searchByID(); else if(choice =="3")mainPage(); else {
                cout<<"输入有误。"<
      
       >choice; string tempString; if(choice=="1"){
                cout<<"\n请输入新的学生姓名";             cin>>tempString;             current_ptr->setName(tempString);             cout<<"\n学生信息修改成功。"<
       
        >tempString    ;             current_ptr->setID(tempString);             cout<<"\n学生信息修改成功。"<
        
         >choice; if(choice=="1"){
                    cout<<"\n请输入性别："; string temp;                 cin>>temp; if(onlySex(temp)){
                        current_ptr->sex  = temp;                     cout<<"\n信息修改成功。"<
         
          >temp; if(onlyNumber(temp)){
                        current_ptr->phone = temp;                     cout<<"\n信息修改成功。"<
          
           >current_ptr->hobby; cout<<"\n信息修改成功。"<
           
            >current_ptr->activity; cout<<"\n信息修改成功。"<
            
             >current_ptr->reword; cout<<"\n信息修改成功。"<
             
              >current_ptr->punishment; cout<<"\n信息修改成功。"<
              
               calForEach(); cout<
               
                <<"\n ---------------该同学的课程信息如下------------"<
                
                 print(); cout<
                 
                  <<"\n 该学生所修科目总数："<
                  
                   courseNum<<" 不及格总数："<
                   
                    unpassed<
                    
                     total<<" 平均成绩为："<
                     
                      ave<
                      
                       >search_string; if(current_ptr->find(search_string)){ cout<<"\n请输入要修改的分数："; double tempScore; cin>>tempScore; current_ptr->fence->next->setScore(tempScore); cout<<"\n信息修改成功。"<
                       
                        >tempChar; if(tempChar == "y")modifyCourse(); else if(tempChar != "n"){ error(); return; } this->zero();//课程信息有改动，所以需要重新计算其课程信息 } }

//"saveFile.cpp" #include"record.h" void Record::saveFile(){
        ofstream outfile; string fileName = this->className+".dat";     outfile.open(fileName,ios::out); if(outfile){
            current_ptr = head_ptr; while(current_ptr!=NULL){
                outfile<
     
      getName()<
      
       getID()<
       
        fence = current_ptr->head; while(current_ptr->fence->next != NULL){
                    outfile<
        
         fence->next->getCourseName()<
         
          fence->next->getScore()<
          
           fence->next->getIsBixiu()<
           
            fence = current_ptr->fence->next; } outfile<<"课程结束"<
            
             sex<
             
              phone<
              
               hobby<
               
                activity<
                
                 reword<
                 
                  punishment<
                  
                   next; } outfile<<"文件结束"<

//"search.cpp" #include"record.h" bool Record::search(){
    string choice;     system("cls");     cout<
     
      <<"        -----------信息查找---------"<
      
       <
       
        >choice; if(choice == "1"){
    bool temp = searchByName(); if( temp&&requireList()){
                listSingle();             getPause();         } return temp;     } else if(choice=="2"){
    bool temp = searchByID(); if(temp&&requireList()){
                listSingle();             getPause();         } return temp;     } else if(choice=="3")         mainPage(); else error(); return false; } bool Record::searchByName(){
    //system("cls");     int flag =0; string search_string;     current_ptr = head_ptr; if(current_ptr==NULL){
            cout<<"学生记录为空 ！"<
        
         >search_string; while(current_ptr!=NULL){
    if(current_ptr->getName()==search_string){
    if(flag==0)cout<<"\n找到记录"<
         
          getID()<
          
           next; } if(flag == 0){ cout<<"\n无该记录"<
           
            >search_ID; while(current_ptr!=NULL){ if(current_ptr->getID()==search_ID){ if(flag==0)cout<<"\n找到记录"<
            
             getName()<<" "; cout<<"\n学号为："<
             
              getID()<
              
               next; } if(flag == 0){ cout<<"\n无该记录"<
               
                >choice; if(choice=="y")return true; else if(choice =="n")return false; else error(); return false; }

//"student.cpp" #include"student.h" using namespace std; Student::Student(){
        head = tail = fence = new Course; this->unpassed = 0; this->total = 0.0; this->ave = 0.0; this->courseNum = 0; this->needUpdate = true; this->sex = "无"; this->phone="无"; this->hobby ="无"; this->punishment="无"; this->reword  ="无"; this->activity="无"; } void Student::setName(string valName){
        name = valName; } void Student::setID(string valID){
        ID = valID; } string Student::getName(){
    return name; } string Student::getID(){
    return ID; } /*     需要实现的关于kecheng单向链表的函数     void clear();     void setStart();//指针置前     void setEnd();     void next();     bool getValue(string name,double score);     bool insert(string name,double score);     bool remove(string &name,double &score);     void pre();     bool setPos(string name);     void print();     bool find(string name); */ void Student::clear(){
    while(head != NULL){
            fence = head;         head = head->next;         delete fence;     }     head = tail = fence = new Course; } void Student::setStart(){
        fence = head; } void Student::setEnd(){
        fence = tail; } void Student::nextItem(){
    if(fence != tail){
            fence = fence->next;     } else cout<<"\n这是最后一门课程，没有课程了 ！"<
     
      next ==NULL) return false; //不要忘记fence指向的是当前元素的上一个位置     nameVal = fence->next->getCourseName();     scoreVal =fence->next->getScore();     isVal = fence->next->getIsBixiu(); return true; } bool Student::insert(string nameVal,double scoreVal,bool isVal){
    //fence = tail;//暂时处理，追加到最后，暂且不排序     fence->next = new Course(nameVal,scoreVal,isVal,fence->next); if(fence == tail)tail = fence->next; return true; } bool Student::remove(string& nameVal,double& scoreVal,bool& isVal){
    if(fence->next == NULL)return false;     nameVal = fence->next->getCourseName();     scoreVal = fence->next->getScore();     isVal = fence->next->getIsBixiu();     Course* temp = fence->next;     fence->next = temp->next; if(temp == tail)         tail = fence;     delete temp; return true; } void Student::pre(){
        Course* temp = head; while(temp->next != fence)         temp = temp->next;     fence = temp; } bool Student::setPos(string nameVal){
        fence = head; while(fence->next->getCourseName() != nameVal && fence->next!=NULL)         fence = fence->next; if(fence->next == NULL){
            cout<<"\n该学生没有选修该课程！"<
      
       next!=NULL&&fence->next->getCourseName() !=nameVal  )         fence = fence->next; if(fence->next == NULL){
    //cout<<"\n该学生没有选修该课程！"<
       
        getName()<<"同学没有选修该课程。"<
        
         next == NULL) cout<<"\n该同学目前还未选择任何课程 ！"<
         
          next != NULL){
            cout<<"        "<
          
           <
           
            <
            
             next->getCourseName()<
             
              <
              
               next->getScore(); if(fence->next->getIsBixiu())cout<
               
                <<"必修课"<
                
                 next; } }

//"userChoice.cpp" #include"record.h" #include
     
       using namespace std; void Record::userChoice(string choice){
    if(choice=="1")         insertStudent(); else if(choice=="2")         deleteStudent(); else if(choice=="3")         insertCourse(); else if(choice=="4")         deleteCourse(); else if(choice=="5")         calculate();        else if(choice=="6")         list(); else if(choice=="7")         search(); else if(choice=="8")         outputTXT(); else if(choice=="9")         modify(); else if(choice=="0")         saveFile(); else         error(); }

转载于:https://www.cnblogs.com/liushang0419/archive/2011/09/02/2164339.html

你可能感兴趣的文章

react双组件传值和传参

查看>>

BNU29140——Taiko taiko——————【概率题、规律题】

查看>>

[Kaggle] Sentiment Analysis on Movie Reviews

查看>>

价值观

查看>>

mongodb命令----批量更改文档字段名

查看>>