急求C++2005 写的学生管理系统，不用MFC界面，求大神

Question

C++2005 写的学生管理系统，不用MFC界面，要有管理员和学生两种身份登陆

Answer 1

#include

#include

#include

using namespace std;

typedef struct stu//定义一个结构体作为类的私有成员

{

int num;

string name;

};

class student //学生类为基类

{

protected:

stu a[100];

int i, n;

static int  d;//计算输入学生总数

public:

student();//构造函数

char menu();//菜单界面

void activity();//进行各种操作的一个平台

void input();//输入函数

void display(); //显示函数

void append();//追加函数

void searach();//查找函数

};

class teacher:public student

{

public:

teacher():student(){};

//下面几个函数是对其他函数的重定义

char menu();//增加了其他函数的菜单界面

void activity();//进行各种操作的一个平台

void mod();//修改函数

void shanchu();//删除函数

};

int student::d=0;//计数器赋值为0

student::student()//构造函数

{

cout<<"****welcome to the student`s information systerm ****"<<endl;

}

char student::menu()//学生菜单界面

{

char m;

cout<<"*********1:input the student`s information***********"<<endl;

cout<<"*********2:display the student`s information*********"<<endl;

cout<<"*********3:append the student`s information**********"<<endl;

cout<<"*********4:searach the student`s information*********"<<endl;

cout<<"*****************0:quit the systerm*****************"<<endl;

cout<<"*****************please input one number![ ]\b\b\b\b";

cin>>m;

return m;

}

char teacher::menu()//教师菜单界面

{

char m;

cout<<"*********1:input the student`s information***********"<<endl;

cout<<"*********2:display the student`s information*********"<<endl;

cout<<"*********3:append the student`s information**********"<<endl;

cout<<"*********4:searach the student`s information*********"<<endl;

cout<<"*********5:mod the student`s information*************"<<endl;

cout<<"*********6:shanchu the student`s information*********"<<endl;

cout<<"*****************0:quit the systerm*****************"<<endl;

cout<<"*****************please input one number![ ]\b\b\b\b";

cin>>m;

return m;

}

void student::activity()//学生各种操作界面

{

char k;

while(1)

{

  k=menu();

  switch (k)

{

case '1':input();break;

case '2':display();break;

  case '3':append();break;

  case '4':searach();break;

  case '0':cout<<"**********thanks  you !bye bye**********!"<<endl;return ;

  default:cout<<"you are wrong!"<<endl;

    }

}

}

void teacher::activity()//教师各种操作界面

{

char k;

while(1)

{

  k=menu();

  switch (k)

{

case '1':input();break;

case '2':display();break;

     case '3':append();break;

     case '4':searach();break;

     case '5':mod();break;

     case '6':shanchu();break;

     case '0':cout<<"**********thanks  you !bye bye**********!"<<endl;return ;

     default:cout<<"you are wrong!"<<endl;

    }

}

}

void student:: input()//输入函数

{

cout<<"please input one counter about student numbers!"<<endl;

cin>>n;

for(i=0;i<n;i++)

{ cout<<"the student`s num is :"<<endl;

 cin>>a[i].num;

 cout<<"the student`s name is : "<<endl;

 cin>>a[i].name;

 d++;

}

cout<<"the work is done! "<<endl;

display();

}

void student::display()//显示函数

{

cout<<"the student`s num  :   name"<<endl;

 for(i=0;i<d;i++)

 {

cout<<"         "<<a[i].num<<"   "<<a[i].name<<endl;

 }

}

void student::append()//追加

{

int m;

cout<<"please input the counter numbers for append student~s information!"<<endl;

cin>>m;

for(i=n;i<n+m;i++)

{

cout<<"the student`s num is :"<<endl;

cin>>a[i].num;

cout<<"the student`s name is : "<<endl;

cin>>a[i].name;

d++;

}

cout<<"the work is done! "<<endl;

display();

}

void student::searach()//查找

{

int nu,g=0;

cout<<"please the student`s num"<<endl;

 cin>>nu;

 for(i=0;i<d;i++)

 {

  if(a[i].num==nu)

  {

   cout<<"the student`s num  :   name"<<endl;

  cout<<"         "<<a[i].num<<"   "<<a[i].name<<endl;

       g=1;

  }

 }

if(g==0)

cout<<"not found the student`s information!"<<endl;

cout<<"the work is done!"<<endl;

}

void teacher::mod()//修改

{

int nu;

cout<<"please input the student`s num"<<endl;

 cin>>nu;

for(i=0;i<d;i++)

{

 if(nu==a[i].num)

 {

 cout<<"the student`s num is :"<<endl;

 cin>>a[i].num;

 cout<<"the student`s name is : "<<endl;

 cin>>a[i].name;

 }

}

cout<<"the work is done! "<<d<<endl;

display();

}

void teacher::shanchu()//删除函数

{ int nu,s=-1;

cout<<"please input the student`s number!";

cin>>nu;

for(i=0;i<=d;i++)

{

if(nu==a[i].num)

{s=i;

  for(i=s+1;i<d;i++)  

  {

  a[i-1].num=a[i].num;

  a[i-1].name=a[i].name;

  }

  d--;

}

}

if(s==-1)

cout<<"not found the student`s information!"<<endl;

cout<<"the work is done! "<<endl;

display();

}

void stu()//一级菜单，进入学生操作界面

{

student  stud;

 stud.activity();

}

void teach()//一级菜单，进入教师操作界面

{

teacher t;

t.activity();

}

int main()

{

char c;

cout<<"＆＆＆＆＆＆welcome to the student`s information systerm＆＆＆＆＆＆"<<endl;

cout<<"＆＆＆＆＆＆＆＆＆＆＆＆＆＆＆s: 学生身份＆＆＆＆＆＆＆＆＆＆＆＆＆＆＆"<<endl;

cout<<"＆＆＆＆＆＆＆＆＆＆＆＆＆＆＆t: 教师身份＆＆＆＆＆＆＆＆＆＆＆＆＆＆＆"<<endl;

cout<<"please input one character for cheek the password![ ]\b\b\b";

cin>>c;

switch(c)

{

 case 's': stu();break;

 case 't':teach();break;

 default :cout<<"you are wrong !";

}

return 0;

}