【c++课设】高校教师信息管理系统

头文件

#ifndef _HEADC_H #define _HEADC_H #include<iostream> #include <string> #include <fstream> #include <iomanip> using namespace std; /*-------------------------------------共 有 类-------------------------------------*/ class CCommon//公有类 { protected: int number;//编号 string name;//姓名 string sex;//性别 int age;//年龄 }; /*------------------------教 师 类--------------------------------------*/ class Cteacher:public CCommon//教师类 { protected: string department;//所在系部 string profession;//专业   string position;//职称 public: void set(int _number,string _name,string _sex,int _age,string _department,string _profession,string _position) { number = _number; name = _name; sex = _sex; age = _age; department = _department; profession = _profession; position = _position; }//输入教师数据 void output(); ~Cteacher() { }//析构函数 friend int find_nu(Cteacher teacher[], int _nu, int &t); friend int find_na(Cteacher teacher[], string _na, int &t); friend void add(Cteacher teacher[], int _fa); friend void dele(Cteacher teacher[], int _fa); friend void closefile(Cteacher teacher[] ,int &t); friend void _statistics(Cteacher teacher[], int &t); }; void teacher_manage(); /*----------------------------实 验 员 类-------------------------------------------*/ class Cassistant:public CCommon//实验员类 { protected: string laboratory;//所在实验室 string position;//职称 public: void set(int _number,string _name,string _sex,int _age,string _laboratory,string _position) { number = _number; name = _name; sex = _sex; age = _age; laboratory = _laboratory; position = _position; }//输入实验员数据 void output(); ~Cassistant() { }//析构函数 friend int find_nu(Cassistant assistant[], int _nu, int &t); friend int find_na(Cassistant assistant[], string _na, int &t); friend void add(Cassistant assistant[], int _fa); friend void dele(Cassistant assistant[], int _fa);   friend void closefile(Cassistant assistant[] ,int &t); friend void _statistics(Cassistant assistant[], int &t); }; void assistant_manage(); /*----------------------------行 政 人 员 类--------------------------------------------*/ class Cexecution:public CCommon//行政人员类 { protected: string politics;//政治面貌 string position;//职称 public: void set(int _number,string _name,string _sex,int _age,string _politics,string _position) { number = _number; name = _name; sex = _sex; age = _age; politics = _politics; position = _position; }//输入行政人员数据 void output(); ~Cexecution() { }//析构函数  friend int find_nu(Cexecution execution[], int _nu, int &t); friend int find_na(Cexecution execution[], string _na, int &t); friend void add(Cexecution execution[], int _fa); friend void dele(Cexecution execution[], int _fa); friend void closefile(Cexecution execution[] ,int &t); friend void _statistics(Cexecution execution[], int &t); }; void execution_manage(); /*---------------------------行 政 人 员 兼 教 师 类-------------------------------------*/ class Ctea_exe:public CCommon//行政人员兼教师类 { protected: string politics;//政治面貌 string department;//所在系部 string profession;//专业 string position;//职称 public: void set(int _number,string _name,string _sex,int _age,string _politics,string _department,string _profession,string _position) { number = _number; name = _name; sex = _sex; age = _age; politics = _politics; department = _department;   profession = _profession; position = _position; }//输入行政人员兼教师数据 void output(); ~Ctea_exe() { }//析构函数 friend int find_nu(Ctea_exe tea_exe[], int _nu, int &t); friend int find_na(Ctea_exe tea_exe[], string _na, int &t); friend void add(Ctea_exe tea_exe[], int _fa); friend void dele(Ctea_exe tea_exe[], int _fa); friend void closefile(Ctea_exe tea_exe[] ,int &t); friend void _statistics(Ctea_exe tea_exe[], int &t); }; void tea_exe_manage(); /*---------------------------------统 计 总 人 数---------------------------------------*/ void statistics_all();//数据统计数 void statistics_teacher(); void statistics_assistant(); void statistics_execution(); void statistics_tea_exe(); void order();  const int Max = 100;//各人员总人数最大值 #endif 

函数实现

#include "HEAD.h"/*----------------------------教师类中的各个函数操作-----------------------*/ void Cteacher::output()//教师读出数据内容 {  cout<<number<<"\t"<<name<<"\t";  cout<<sex<<"\t"<<age<<"\t";  cout<<department<<"\t"<<profession<<"\t";   cout<<position<<endl; } void teacher_muen()//教师主菜单 {  cout<<endl;  cout<<"----------欢迎进入教师信息管理系统----------"<<endl;  cout<<"     1---添加信息,  2---查询信息"<<endl;  cout<<"     3---显示信息,  4---编辑信息"<<endl;  cout<<"     5---删除信息,  6---统计信息"<<endl;  cout<<"     7---退出"<<endl;  cout<<"--------------------------------------------"<<endl;  cout<<"请输入您的选择--->:"; } void _add(Cteacher *teacher, int &t)//1教师添加信息 {  int number,age;  string name,sex,department,profession,position;  cout<<"添加信息->请输入:"<<endl;  while(1)  {   number=t+1;         cout<<"姓名(输入0结束输入)";   cin>>name;   if("0" == name)    break;           cout<<"性别(M--man,W--woman)";   while(1)   {     cin>>sex;      if(sex == "M"||sex == "W") {           cout<<"年龄";     cin>>age;           cout<<"系部";     cin>>department;           cout<<"专业";     cin>>profession;           cout<<"职称";     cin>>position;             teacher[t].set(number,name,sex,age,department,profession,position);     ++t;     break;     }     else           cout<<"输入性别错误,请重新输入!"<<endl;   }     } } void _query(Cteacher teacher[], int &t)//2查询信息 {  int choice;  int flag,nu;  string na;  cout<<"1---编号,2---姓名"<<endl;      while(1)   {   cin>>flag;   if(1 == flag||2 == flag)    break;   else     cout<<"输入错误请重新输入!"<<endl;   }  switch(flag)  {  case 1://编号查询  {        do     {   cout<<"请输入编号!"<<endl;   cin>>nu;   if(find_nu(teacher,nu,t) < t)    teacher[find_nu(teacher,nu,t)].output();   else    cout<<"查无此人!"<<endl;   cout<<"是否继续1是2否"<<endl;    cin>>choice;    if(choice == 2)     break;     }while(choice == 1);  };break;  case 2://姓名查询  {      do     {   cout<<"请输入姓名!"<<endl;   cin>>na;   if(find_na(teacher,na,t)<t)    teacher[ find_na(teacher,na,t) ].output();   else    cout<<"查无此人!"<<endl;    cout<<"是否继续1是2否"<<endl;       cin>>choice;            if(choice == 2)     break;     }while(choice == 1);  };break;  } } int find_nu(Cteacher teacher[], int _nu, int &t)//编号查询方式 {  int i;  for(i=0;i<t;i++)   if(teacher[i].number==_nu)    return i;  return t; } int find_na(Cteacher teacher[], string _na, int &t)//姓名查询方式 {  int i;  for(i=0;i<t;i++)   if(teacher[i].name==_na)    return i;  return t;  } void _display(Cteacher teacher[], int &t)//3显示功能 {  int i;  cout<<endl;  cout<<"编号\t姓名\t性别\t年龄\t系部\t专业\t职称"<<endl;  for(i=0;i<t;i++)   teacher[i].output();  cout<<"--------------------------------------------"<<endl<<endl; } void _edit(Cteacher teacher[], int &t)//4编辑数据- {  int score,fa,choice;  while(1)  {  cout<<"请输入需要编辑的编号:";  cin>>score;   fa = find_nu(teacher,score,t);  if(fa<t)  {   teacher[ fa ].output();   add(teacher,fa);  }  else   cout<<"查无此人!"<<endl;  cout<<"是否继续(1是2否):";  cin>>choice;  if(choice != 1)   break;  } } void add(Cteacher teacher[], int _fa)//编辑数据方式 {  int number=_fa+1,age;  string name,sex,department,profession,position;  cout<<"请重新输入:"<<endl<<"姓名,性别,年龄,系部,专业,职称"<<endl;  cin>>name;  while(1)  {  cin>>sex;  if(sex=="M"||sex=="W")  {    cin>>age>>department>>profession>>position;   teacher[_fa].set(number,name,sex,age,department,profession,position);   break;   }  else   cout<<"输入性别错误,请重新输入!"<<endl;  } } void _delete(Cteacher teacher[], int &t)//删除数据 {  int score,de,choice1;  while(1)  {  cout<<"请输入需要删除的编号!"<<endl;  cin>>score;  de=find_nu(teacher,score,t);  if(de<t)  {   teacher[ de ].output();   dele(teacher,de);  }  else   cout<<"查无此人!"<<endl;  cout<<"是否继续(1是2否):";  cin>>choice1;  if(choice1 == 2)  {     cout<<"已退出!"<<endl;   break;  }  } } void dele(Cteacher teacher[], int _fa)//删除数据方式 {  int number,age,qr;  string name,sex,department,profession,position;  cout<<"确定删除(1是2否):";  cin>>qr;  if(qr==1)  {   cout<<"已删除!"<<endl;   number=0;   name='0';   sex='0';   age=0;   department='0';   profession='0';   position='0';      teacher[_fa].set(number,name,sex,age,department,profession,position);  }  if(qr == 2)   cout<<"未删除!"<<endl; } void teacher_put()//退出 {  cout<<"谢谢使用教师系统!"<<endl; } int openfile(Cteacher teacher[])//从文件中读入数据 {  int t,number,age;  string name,sex,department,profession,position;  ifstream fcin;  fcin.open("teacher.txt",ios_base::in);  if (fcin == NULL)  {   cout << "文件打开失败请检查目录下是否有文件teacher.txt\n";   return 0;  }  t = 0;  while(fcin >> number>> name>> sex>> age>> department>> profession>> position)  {   teacher[t].set(number,name,sex,age,department,profession,position);   ++t;  }   return t;  fcin.close(); }  void closefile(Cteacher teacher[], int &t)//向文件中写入数据 {  int i,number,age;  string name,sex,department,profession,position;  ofstream fout("teacher.txt");  for(i=0;i<t;i++)  {      number=teacher[i].number;   name=teacher[i].name;   sex=teacher[i].sex;   age=teacher[i].age;   department=teacher[i].department;   profession=teacher[i].profession;   position=teacher[i].position;      if(number!=0)    fout << number<<"\t"<< name<<"\t"<< sex<<"\t"<< age<<"\t"<< department<<"\t"<< profession<<"\t"<< position<<endl;  }  fout.close(); } void teacher_manage()//教师类总调用函数- {  Cteacher teacher[Max];  int i,t;   while (1)  {    t = openfile(teacher);//文件中的行数   teacher_muen(); //打印菜单   cin >> i;   switch (i)   {    case 1: _add(teacher,t);     break;//添加功能    case 2: _query(teacher, t);     break;//查询功能    case 3: _display(teacher, t);   break;//显示功能    case 4: _edit(teacher, t);  break;//编辑功能    case 5: _delete(teacher,t);     break;//删除功能    case 6: _statistics(teacher,t); break;//统计功能    default : teacher_put(); goto loop;//退出功能   }   closefile(teacher,t);  } loop:  cout<<"--------------------------------------------"<<endl; } void _statistics(Cteacher teacher[], int &t)//统计数据 {  int i,boy=0,girl=0,sum=0;  for(i=0;i<t;i++)  {   if(teacher[i].sex == "W")    girl++;     if(teacher[i].sex=="M")    boy++;  }  sum = girl+boy;  cout<<"教师总共有"<<sum<<endl;  cout<<"男有"<<boy<<"人  女有"<<girl<<"人"<<endl; } void statistics_teacher()//教师统计函数 {  int t;  Cteacher teacher[Max];  t = openfile(teacher);  _statistics(teacher,t); } /*****************实 验 员*********************/ /*--------------------从 类 中 读 出 数 据 内 容---------------------*/ void Cassistant::output() {  cout<<number<<"\t"<<name<<"\t";  cout<<sex<<"\t"<<age<<"\t";  cout<<laboratory<<"\t";  cout<<position<<endl; }//读出数据内容 /*--------------------主 菜 单-----------------------------*/ void assistant_muen() {  cout<<"----------欢迎进入实验员信息管理系统----------"<<endl;  cout<<"     1---添加信息,  2---查询信息"<<endl;  cout<<"     3---显示信息,  4---编辑信息"<<endl;  cout<<"     5---删除信息,  6---统计信息"<<endl;  cout<<"     7---退出"<<endl;  cout<<"--------------------------------------------"<<endl;  cout<<"请输入您的选择--->:"; }//主菜单 /*--------------------------添 加 数 据------------------------*/ void _add(Cassistant *assistant, int &t) {  int number,age;  string name,sex,laboratory,position;   cout<<"添加信息->请输入:"<<endl;  while(1)  {   number=t+1;   cout<<"姓名(输入0结束):";   cin>>name;    if(name=="0")    break;   cout<<"性别(M--man,W--woman):";   while(1)  {   cin>>sex;   if(sex == "M"||sex == "W")   {       cout<<"年龄:";        cin>>age;             cout<<"实验室:";    cin>>laboratory;             cout<<"职称:";     cin>>position;    assistant[t].set(number,name,sex,age,laboratory,position);    ++t;    break;   }   else    cout<<"输入性别错误,请重新输入!"<<endl;   }  } }//添加信息 /*------------------------查 询 数 据-----------------------------*/ void _query(Cassistant assistant[], int &t) {  int choice;  int flag,nu;  string na;  cout<<"1---编号,2---姓名"<<endl;  while(1)   {   cin>>flag;   if(1 == flag||2 == flag)    break;   else     cout<<"输入错误请重新输入";   } switch(flag) {  case 1://编号查询  {   do   {   cout<<"请输入编号!"<<endl;   cin>>nu;   if(find_nu(assistant,nu,t)<t)    assistant[ find_nu(assistant,nu,t) ].output();   else    cout<<"查无此人!"<<endl;  cout<<"是否继续1是2否"<<endl;    cin>>choice;    if(choice == 2)     break;   }while(choice == 1);   };break;  case 2://姓名查询  {       do   {   cout<<"请输入姓名!"<<endl;   cin>>na;   if(find_na(assistant,na,t)<t)    assistant[ find_na(assistant,na,t) ].output();   else    cout<<"查无此人!"<<endl;     cout<<"是否继续1是2否"<<endl;    cin>>choice;    if(choice == 2)     break;     }while(choice == 1);  };break; }; }//查询信息 /*------------使 用 编 号 查 询 数 据 方 式--------------------*/ int find_nu(Cassistant assistant[], int _nu, int &t) { int i;  for(i=0;i<t;i++)   if(assistant[i].number==_nu)   return i;  return t; }//编号查询方式 /*---------使 用 姓 名 查 询 数 据 方 式-----------------*/ int find_na(Cassistant assistant[], string _na, int &t) {  int i;  for(i=0;i<t;i++)   if(assistant[i].name==_na)    return i;  return t; }//姓名查询方式 /*------------------------------显 示 数 据--------------------------------*/ void _display(Cassistant assistant[], int &t) {  int i;  cout<<"编号\t姓名\t性别\t年龄\t实验室\t职称"<<endl;  for(i=0;i<t;i++)   assistant[i].output(); }//显示功能  /*---------------------------------编 辑 数 据----------------------------------*/ void _edit(Cassistant assistant[], int &t) {  int score,fa,choice;  while(1)  {  cout<<"请输入需要编辑的编号:";  cin>>score;  fa = find_nu(assistant,score,t);  if(fa<t)  {   assistant[ fa ].output();   add(assistant,fa);  }  else   cout<<"查无此人!"<<endl;  cout<<"是否继续(1是2否):";  cin>>choice;  if(choice != 1)   break;  } }//编辑功能 /*------------------------编 辑 数 据 方 式-----------------*/  void add(Cassistant assistant[], int _fa) {  int number=_fa+1,age;  string name,sex,laboratory,position;  cout<<"请重新输入->实验员姓名,性别,年龄,实验室,职称"<<endl;  cin>>name;  while(1)  {  cin>>sex;  if(sex=="M"||sex=="W")  {    cin>>age>>laboratory>>position;   assistant[_fa].set(number,name,sex,age,laboratory,position);   break;  }  else  cout<<"输入性别错误,请重新输入!"<<endl;  } }//编辑信息 /*----------------------------删 除 数 据--------------------------*/ void _delete(Cassistant assistant[], int &t) {  int score,de,choice1;  while(1)  {  cout<<"请输入需要删除的编号!"<<endl;   cin>>score;  de=find_nu(assistant,score,t);  if(de<t)  {   assistant[ de ].output();   dele(assistant,de);  }  else   cout<<"查无此人!"<<endl;  cout<<"是否继续(1是2否):";  cin>>choice1;  if(choice1 == 2)  {   cout<<"已退出!"<<endl;   break;  }  } } /*------------------------删 除 数 据 方 式------------------*/ void dele(Cassistant assistant[], int _fa) {  int number,age,qr;  string name,sex,laboratory,position;  cout<<"确定删除(1是2否):";  cin>>qr; if(qr==1)  {   cout<<"已删除!"<<endl;   number=0;   name='0';   sex='0';   age=0;   laboratory='0';   position='0';     assistant[_fa].set(number,name,sex,age,laboratory,position);  }     if(qr==2)   cout<<"您已退出删除功能!"<<endl; }//编辑信息 /*-----------------统 计 数 据--------------------------------*/ void _statistics(Cassistant assistant[], int &t) {  int i,boy=0,girl=0,sum=0;  for(i=0;i<t;i++)  {   if(assistant[i].sex=="W")    girl++;   if(assistant[i].sex=="M")    boy++;  }  sum=girl+boy;   cout<<"实验员总共有"<<sum<<endl;  cout<<"男有"<<boy<<"人  女有"<<girl<<"人"<<endl; }//统计 /*--------------------------退 出--------------------------------*/ void assistant_put() {  cout<<"谢谢使用教师系统!"<<endl; }//退出 /*------------------------------从 文 件 中 读 入 数 据----------------------------*/ int openfile(Cassistant assistant[]) {  int t,number,age;  string name,sex,laboratory,position;  ifstream fcin;  fcin.open("assistant.txt",ios_base::in);  if (fcin == NULL)  {   cout << "文件打开失败请检查目录下是否有文件assistant.txt\n";   return 0;  }  t = 0;  while(fcin >> number>> name>> sex>> age>> laboratory>> position)  {   assistant[t].set(number,name,sex,age,laboratory,position);   ++t;  }  return t;  fcin.close(); }//从文件中读入数据 /*--------------------------向 文 件 中 写 入 数 据-----------------------------*/ void closefile(Cassistant assistant[], int &t) {  int i,number,age;  string name,sex,laboratory,position;  ofstream fout("assistant.txt");  for(i=0;i<t;i++)  {      number=assistant[i].number;   name=assistant[i].name;   sex=assistant[i].sex;   age=assistant[i].age;   laboratory=assistant[i].laboratory;   position=assistant[i].position;      if(number!=0)    fout << number<<"\t"<< name<<"\t"<< sex<<"\t"<< age<<"\t"<< laboratory<<"\t"<< position<<endl;  }  fout.close();  }//写入数据到文件中 /*-----------------------实 验 员 类 总 调 用 函 数-----------------------------*/ void assistant_manage() {  Cassistant assistant[Max];  int i,t;  while (1)  {    t=openfile(assistant);   assistant_muen(); //打印菜单   cin >> i;   switch (i)   {    case 1: _add(assistant,t);     break;//添加功能    case 2: _query(assistant, t);     break;//查询功能    case 3: _display(assistant, t);   break;//显示功能    case 4: _edit(assistant, t);  break;//编辑功能    case 5: _delete(assistant,t);     break;//删除功能    case 6: _statistics(assistant,t); break;//统计功能    default : assistant_put(); goto loop;//退出功能   }   closefile(assistant,t);  } loop:  cout<<"--------------------------------------------"<<endl;   } /*--------------------------------实 验 员 统 计 函 数-----------------------------*/ void statistics_assistant() {  int t;  Cassistant assistant[Max];  t=openfile(assistant);  _statistics(assistant,t); } /*************************行 政 人 员*****************************/ void Cexecution::output() {  cout<<number<<"\t"<<name<<"\t";  cout<<sex<<"\t"<<age<<"\t";  cout<<politics<<"\t";  cout<<position<<endl; }//读出数据内容 /*----主 菜 单-----------------------*/void execution_muen()  {  cout<<"----------欢迎进入行政人员信息管理系统----------"<<endl;  cout<<"     1---添加信息,  2---查询信息"<<endl;  cout<<"     3---显示信息,  4---编辑信息"<<endl;  cout<<"     5---删除信息,  6---统计信息"<<endl;  cout<<"     7---退出"<<endl; }//主菜单 /*----------------------------添 加 数 据-----------------*/ void _add(Cexecution *execution, int &t) {  int number,age;  string name,sex,politics,position;   cout<<"添加信息->请输入:"<<endl;  while(1)  {   number=t+1;   cout<<"姓名(输入0结束):";   cin>>name;   if(name=="0")   break;   cout<<"性别(M--man,W--woman):";   while(1)   {   cin>>sex;   if(sex == "M"||sex == "W")   {   cout<<"年龄:";    cin>>age;       cout<<"政治面貌:";    cin>>politics;       cout<<"职称:";    cin>>position;    execution[t].set(number,name,sex,age,politics,position);    ++t;    break;   }   else    cout<<"输入性别错误,请重新输入!"<<endl;   }  } }//添加信息 /*---------------------------查 询 数 据--------------------*/ void _query(Cexecution execution[], int &t) {  int choice;  int flag,nu;  string na;  cout<<"1---编号,2---姓名"<<endl;   while(1)   {   cin>>flag;   if(1 == flag||2 == flag)    break;   else     cout<<"输入错误请重新输入";   } switch(flag) {     case 1://编号查询   {      do      {   cout<<"请输入编号!"<<endl;   cin>>nu;   if(find_nu(execution,nu,t)<t)    execution[ find_nu(execution,nu,t) ].output();   else    cout<<"查无此人!"<<endl;     cout<<"是否继续1是2否"<<endl;    cin>>choice;    if(choice == 2)     break;      }while(choice == 1);   };break;     case 2://姓名查询   {       do    {   cout<<"请输入姓名!"<<endl;   cin>>na;   if(find_na(execution,na,t)<t)    execution[ find_na(execution,na,t) ].output();   else    cout<<"查无此人!"<<endl; cout<<"是否继续1是2否"<<endl;    cin>>choice;    if(choice == 2)     break;    }while(choice == 1);   };break; }    }//查询信息 /*-----------------使 用 编 号 查 询 数 据 方 式------------------*/ int find_nu(Cexecution execution[], int _nu, int &t) {  int i;  for(i=0;i<t;i++)   if(execution[i].number==_nu)    return i;  return t; }//编号查询方式 /*---------------------------使 用 姓 名 查 询 数 据 方 式  ----------------------------*/int find_na(Cexecution execution[], string _na, int &t) {  int i;  for(i=0;i<t;i++)   if(execution[i].name==_na)    return i;  return t; }//姓名查询方式 /*-------------------------显 示 数 据---------------------------*/ void _display(Cexecution execution[], int &t) {  int i;  cout<<"编号\t姓名\t性别\t年龄\t政治面貌\t职称"<<endl;  for(i=0;i<t;i++)   execution[i].output(); }//显示功能 /*-----------------------------------编 辑 数 据-----------------------------*/ void _edit(Cexecution execution[], int &t) {  int score,fa,choice; while(1) {   cout<<"请输入需要编辑的编号:"<<endl;  cin>>score;  fa = find_nu(execution,score,t);  if(fa<t)  {   execution[fa].output();   add(execution,fa);  }  else   cout<<"查无此人!"<<endl;   cout<<"是否继续(1是2否):";      cin>>choice;      if(choice != 1)       break; } }//编辑功能 /*---------------------------编 辑 数 据 方 式-----------*/ void add(Cexecution execution[], int _fa) {  int number=_fa+1,age;  string name,sex,politics,position;  cout<<"请重新输入->姓名,性别,年龄,政治面貌,职称"<<endl;  cin>>name;     while(1)  {    cin>>sex;  if(sex == "M"||sex == "W")  {    cin>>age>>politics>>position;   execution[_fa].set(number,name,sex,age,politics,position);   break;  }  else   cout<<"输入性别错误,请重新输入!"<<endl;  } }//编辑信息 /*----------------------------删 除 数 据-----------------------*/ void _delete(Cexecution execution[], int &t) {  int score,de,choice1;  while(1)  {  cout<<"请输入需要删除的编号!"<<endl;  cin>>score;  de=find_nu(execution,score,t);  if(de<t)  {   execution[ de ].output();   dele(execution,de);  }    else   cout<<"查无此人!"<<endl;   cout<<"是否继续(1是2否):";  cin>>choice1;  if(choice1 == 2)  {   cout<<"已退出!"<<endl;   break;  }  } } /*----------------------删 除 数 据 方 式-------------*/ void dele(Cexecution execution[], int _fa) {  int number,age,qr;  string name,sex,politics,position;  cout<<"确定删除(1是2否):";  cin>>qr;  if(qr==1)  {   number=0; name='0';  sex='0';  age=0; politics='0'; position='0';    execution[_fa].set(number,name,sex,age,politics,position);  } if(qr==2)   cout<<"您已退出删除功能!"<<endl; }//编辑信息 /*-------------------------统 计 数 据-----------------------------*/ void _statistics(Cexecution execution[], int &t) {  int i,boy=0,girl=0,sum=0;  for(i=0;i<t;i++)  {   if(execution[i].sex=="W")    girl++;   if(execution[i].sex=="M")    boy++;  }  sum=girl+boy;  cout<<"实验员总共有"<<sum<<endl;  cout<<"男有"<<boy<<"人  女有"<<girl<<"人"<<endl; }//统计 /*--------------------------------退 出--------------------------------*/ void execution_put() {  cout<<"谢谢使用教师系统!"<<endl; }//退出 /*--------------------------------从 文 件 中 读 入 数 据----------------------------*/ int openfile(Cexecution execution[]) {  int t,number,age;  string name,sex,politics,position;  ifstream fcin;  fcin.open("execution.txt",ios_base::in);  if (fcin == NULL)  {   cout << "文件打开失败请检查目录下是否有文件execution.txt\n";   return 0;  }  t = 0;  while(fcin >> number>> name>> sex>> age>> politics>> position)  {   execution[t].set(number,name,sex,age,politics,position);   ++t;  }  return t;  fcin.close(); }//从文件中读入数据 /*----------------------------向 文 件 中 写 入 数 据--------------------------*/ void closefile(Cexecution execution[], int &t) {  int i,number,age;  string name,sex,politics,position;  ofstream fout("execution.txt");  for(i=0;i<t;i++)  {      number=execution[i].number;   name=execution[i].name;   sex=execution[i].sex;   age=execution[i].age;   politics=execution[i].politics;   position=execution[i].position;      if(number!=0)    fout << number<<"\t"<< name<<"\t"<< sex<<"\t"<< age<<"\t"<< politics<<"\t"<< position<<endl;  }  fout.close(); }//写入数据到文件中 /*-----------------------行 政 人 员 类 总 调 用 函 数-----------------*/ void execution_manage() {  Cexecution execution[Max];  int i,t;   while (1)  {    t=openfile(execution);   execution_muen(); //打印菜单   cin >> i;   switch (i)   {    case 1: _add(execution,t);     break;//添加功能    case 2: _query(execution, t);     break;//查询功能    case 3: _display(execution, t);   break;//显示功能    case 4: _edit(execution, t);  break;//编辑功能    case 5: _delete(execution,t);     break;//删除功能    case 6: _statistics(execution,t); break;//统计功能    default : execution_put(); goto loop;//退出功能   }   closefile(execution,t);  } loop:  cout<<"--------------------------------------------"<<endl; } /*---------------------行 政 人 员 统 计 函 数-----------------------------*/ void statistics_execution() {  int t;  Cexecution execution[Max];  t=openfile(execution);  _statistics(execution,t); }  /*************************行 政 人 员 兼 教 师******************/ /*----------------------------从 类 中 读 出 数 据 内 容-----------------------*/ void Ctea_exe::output() {  cout<<number<<"\t"<<name<<"\t";  cout<<sex<<"\t"<<age<<"\t";  cout<<politics<<"\t"<<department<<"\t"<<profession<<"\t";  cout<<position<<endl; }//读出数据内容 /*-----------------------------主 菜 单----------------------------*/ void tea_exe_muen() {  cout<<"----------欢迎进入行政人员兼教师信息管理系统----------"<<endl;  cout<<"     1---添加信息,  2---查询信息"<<endl;  cout<<"     3---显示信息,  4---编辑信息"<<endl;  cout<<"     5---删除信息,  6---统计信息"<<endl;  cout<<"     7---退出"<<endl;  cout<<"--------------------------------------------"<<endl;  cout<<"请输入您的选择--->:"; }//主菜单  /*----------------------------添 加 数 据-------------------------*/ void _add(Ctea_exe *tea_exe, int &t) {  int number,age;  string name,sex,politics,department,profession,position;   cout<<"添加信息->请输入:"<<endl;  while(1)  {   number=t+1;         cout<<"姓名(输入0结束):";   cin>>name;   if(name == "0")    break;   cout<<"性别(M--man,W--woman):";   while(1)   {   cin>>sex;   if(sex == "M"||sex == "W")  {     cout<<"年龄:";    cin>>age;             cout<<"政治面貌:";    cin>>politics;             cout<<"系部:";    cin>>department;            cout<<"专业:";     cin>>profession;             cout<<"职称:";    cin>>position;   tea_exe[t].set(number,name,sex,age,politics,department,profession,position);    ++t;   break;   }   else    cout<<"输入性别错误,请重新输入!"<<endl;   }  } }//添加信息 /*----------------------------------查 询 数 据-----------------------------*/ void _query(Ctea_exe tea_exe[], int &t) {  int choice;  int flag,nu;  string na;  cout<<"1---编号,2---姓名"<<endl; while(1)   {   cin>>flag;   if(1 == flag||2 == flag)    break;   else     cout<<"输入错误请重新输入!"<<endl;   } switch(flag) { case 1://编号查询  {   do     {   cout<<"请输入编号!"<<endl;   cin>>nu;   if(find_nu(tea_exe,nu,t)<t)    tea_exe[ find_nu(tea_exe,nu,t) ].output();   else    cout<<"查无此人!"<<endl;   cout<<"是否继续1是2否"<<endl;    cin>>choice;         if(choice == 2)     break;     }while(choice == 1);  };break; case 2://姓名查询  {   do   {   cout<<"请输入姓名!"<<endl;   cin>>na;   if(find_na(tea_exe,na,t)<t)    tea_exe[ find_na(tea_exe,na,t) ].output();    else    cout<<"查无此人!"<<endl;   cout<<"是否继续1是2否"<<endl;    cin>>choice;    if(choice == 2)     break;     }while(choice == 1);  };break;  } }//查询信息 /*--------------------使 用 编 号 查 询 数 据 方 式-----------------*/ int find_nu(Ctea_exe tea_exe[], int _nu, int &t) {  int i;  for(i=0;i<t;i++)   if(tea_exe[i].number==_nu)    return i;  return t; }//编号查询方式 /*-----------------使 用 姓 名 查 询 数 据 方 式-------------*/ int find_na(Ctea_exe tea_exe[], string _na, int &t)   {  int i;  for(i=0;i<t;i++)   if(tea_exe[i].name==_na)    return i;  return t; }//姓名查询方式 /*---------------------------------显 示 数 据-----------------------------*/ void _display(Ctea_exe tea_exe[], int &t) {  int i;  cout<<"编号\t姓名\t性别\t年龄\t政治面貌\t系部\t专业\t职称"<<endl;  for(i=0;i<t;i++)   tea_exe[i].output(); }//显示功能 /*----------------------------------编 辑 数 据--------------------------*/ void _edit(Ctea_exe tea_exe[], int &t) {   int score,fa,choice;  while(1)  {  cout<<"请输入需要编辑的编号:";  cin>>score;  fa = find_nu(tea_exe,score,t);  if(fa<t)  {   tea_exe[ fa ].output();   add(tea_exe,fa);  }  else   cout<<"查无此人!"<<endl;  cout<<"是否继续(1是2否):";  cin>>choice;  if(choice != 1)   break;  } }//编辑功能 /*------------------------编 辑 数 据 方 式----------------*/ void add(Ctea_exe tea_exe[], int _fa) {  int number=_fa+1,age;  string name,sex,politics,department,profession,position;  cout<<"请重新输入->姓名,性别,年龄,政治面貌,系部,专业,职称"<<endl;  cin>>name;  while(1)  {  cin>>sex;  if(sex=="M"||sex=="W")   {    cin>>age>>politics>>department>>profession>>position;  tea_exe[_fa].set(number,name,sex,age,politics,department,profession,position);   break;  }  else   cout<<"输入性别错误,请重新输入!"<<endl;  } }//编辑信息 /*----------------------------删 除 数 据----------------------------*/ void _delete(Ctea_exe tea_exe[], int &t) {  int score,de,choice1;  while(1)  {  cout<<"请输入需要删除的编号!"<<endl;  cin>>score;  de=find_nu(tea_exe,score,t);  if(de<t)  {   tea_exe[ de ].output();   dele(tea_exe,de);  }  else   cout<<"查无此人!"<<endl;   cout<<"是否继续(1是2否):";  cin>>choice1;  if(choice1 == 2)  {   cout<<"已退出!"<<endl;   break;  }  } } /*-----------------------------删 除 数 据 方 式------------*/ void dele(Ctea_exe tea_exe[], int _fa) {  int number,age,qr;  string name,sex,politics,department,profession,position;  cout<<"确定删除(1是2否)";  cin>>qr;  if(qr==1)  {   cout<<"已删除!"<<endl;   number=0; name='0'; sex='0';  age=0; department='0'; position='0'; tea_exe[_fa].set(number,name,sex,age,politics,department,profession,position);  }  if(qr == 2)   cout<<"未删除!"<<endl; }//编辑信息 /*---------------------------统 计 数 据---------------------------*/ void _statistics(Ctea_exe tea_exe[], int &t) {  int i,boy=0,girl=0,sum=0;  for(i=0;i<t;i++) {   if(tea_exe[i].sex=="W")    girl++;   if(tea_exe[i].sex=="M")    boy++;  }  sum=girl+boy;  cout<<"行政人员兼教师总共有"<<sum<<endl;  cout<<"男有"<<boy<<"人  女有"<<girl<<"人"<<endl; }//统计 /*-------------------------------------退 出-------------------------------*/ void tea_exe_put()   {  cout<<"谢谢使用教师系统!"<<endl; }//退出 /*----------------------------从 文 件 中 读 入 数 据-----------*/ int openfile(Ctea_exe tea_exe[]) { int t,number,age;  string name,sex,politics,department,profession,position;  ifstream fcin;  fcin.open("tea_exe.txt",ios_base::in);  if (fcin == NULL)  {   cout << "文件打开失败请检查目录下是否有文件tea_exe.txt\n";   return 0;  }  t = 0;  while(fcin >> number>> name>> sex>> age>> politics>> department>> profession>> position)  {  tea_exe[t].set(number,name,sex,age,politics,department,profession,position);   ++t;  }  return t;  fcin.close(); }//从文件中读入数据   /*-----------------------向 文 件 中 写 入 数 据-----------------------*/ void closefile(Ctea_exe tea_exe[], int &t) {  int i,number,age;  string name,sex,politics,department,profession,position;  ofstream fout("tea_exe.txt");  for(i=0;i<t;i++)  {      number=tea_exe[i].number;   name=tea_exe[i].name;   sex=tea_exe[i].sex;   age=tea_exe[i].age;   politics=tea_exe[i].politics;   department=tea_exe[i].department;   profession=tea_exe[i].profession;   position=tea_exe[i].position;      if(number!=0)    fout << number<<"\t"<< name<<"\t"<< sex<<"\t"<< age<<"\t"<< politics<<"\t"<< department<<"\t"<< profession<<"\t"<< position<<endl;  }  fout.close(); }//写入数据到文件中 void tea_exe_manage() {  Ctea_exe tea_exe[Max];  int i,t;  while (1)  {    t=openfile(tea_exe);   tea_exe_muen(); //打印菜单   cin >> i;   switch (i)   {    case 1: _add(tea_exe,t);     break;//添加功能    case 2: _query(tea_exe, t);     break;//查询功能    case 3: _display(tea_exe, t);   break;//显示功能    case 4: _edit(tea_exe, t);  break;//编辑功能    case 5: _delete(tea_exe,t);     break;//删除功能    case 6: _statistics(tea_exe,t); break;//统计功能    default : tea_exe_put(); goto loop;//退出功能   }   closefile(tea_exe,t);  } loop:  cout<<"--------------------------------------------"<<endl; } /*--------------------行 政 人 员 兼 教 师 统 计 函 数------------------------*/ void statistics_tea_exe() {  int t;  Ctea_exe tea_exe[Max];  t=openfile(tea_exe);  _statistics(tea_exe,t); }  

测试代码

#include"HEAD.h"void statistics_all()//数据统计行数 {  statistics_teacher(); statistics_assistant();  statistics_execution();  statistics_tea_exe(); } void muen() {  cout<<"**********欢迎进入高校信息管理系统***********"<<endl;  cout<<"     1---教师信息,2---实验员信息"<<endl;  cout<<"     3---行政人员,4---教师兼行政人员"<<endl;  cout<<"     5---统计人数,6---退出系统"<<endl;  cout<<"*********************************************"<<endl;  cout<<"请输入您的选择--->:"; } int main() {       int i;    while(1)    {   muen();   cin>>i;   switch(i)   {   case 1: teacher_manage();     break;//教师   case 2: assistant_manage();   break;//实验员   case 3: execution_manage();   break;//行政   case 4: tea_exe_manage();     break;//教师兼行政   case 5: statistics_all();     break;//统计   default :cout<<"欢迎再次使用!"<<endl;   exit(0);   }    }  return 0; } 

需要在相同文件夹里建assistant.txt,education.txt,tea_exe.txt,teacher.txt四个txt文件保存内容