stu_tea.cpp

杭州电子科技大学期末考试试题,有参考价值

#include<iostream>
using namespace std;
#include<string>
class teacher;
class student 
{
private:
	string name;
	 int no;
	 int E_mark;
	 int M_mark;
	 teacher* te;
public :
	student(string na=" ",int n=0,int e=0,int m=0,teacher* t=NULL);
	~student();
	void set_info();
    virtual	void display_self();
	void display_teacher();
	student& operator=(student& stu);

};

class software_student: public student
{
private:
	int S_mark;
    int P_mark;
	string Design;
public:
	software_student(int s=0,int p=0,string des="none",string na=" ",int n=0,int e=0,int m=0,teacher* t=NULL);
	~software_student();
	void set_info();
	void display_self();
	void display_teacher();
};
class elec_student :public student
{
private:
	int elec_mark;
	int d_mark;
	string Design;
public:
    elec_student(int elec=0,int d=0,string des="none",string na=" ",int n=0,int e=0,int m=0,teacher* t=NULL);
	~elec_student();
	void set_info();
	void display_self();
	void display_teacher();
};
class teacher{
private:
	string name;
	string duty;
	student stu[2];
public:
	teacher(string na=" ",string du=" ");
    teacher(string na,string du,student& s1,student& s2);
	~teacher();
	void display_self();
	void set_info();
	void set_teinfo();
	void display_stu();
	teacher& operator=(teacher& te);
};
teacher& teacher::operator=(teacher& te){
	if(this==&te)
		return *this;
	name=te.name ;
	duty=te.duty ;
    stu[0]=te.stu [0];
    stu[1]=te.stu [1];
	return *this;
}

teacher::teacher(string na,string du){
    name=na;
	duty=du;
} 
teacher::teacher(string na,string du,student& s1,student& s2){
    name=na;
	duty=du;
    stu[0]=s1;
	stu[1]=s2;
}

teacher::~teacher(){
}

void teacher::display_self(){
	cout<<"\n姓名:"<<name<<"\n"<<"职称:"<<duty<<endl;
}
void teacher::set_teinfo(){
	cout<<"姓名:";
	cin>>name;
	cout<<"职称:";
	cin>>duty;
    char ch;
	cout<<"指导学生信息(无指导学生输入0，否则输入任一数字):\n";
    cin>>ch;
	if(ch!='0')
	{
		stu[1].set_info ();
		stu[2].set_info ();
	}
}
void teacher::set_info(){
	cout<<"姓名:";
	cin>>name;
	cout<<"职称:";
	cin>>duty;
//	stu[1].set_info ();
//	stu[2].set_info ();
}
void teacher::display_stu(){
//	cout<<"姓名:"<<name<<"\n"<<"职称:"<<duty<<endl;
	cout<<"\n毕业设计学生1:"<<endl;
	stu[0].display_self ();
	cout<<"\n毕业设计学生2:"<<endl;
	stu[1].display_self ();
}

student::student(string na,int n,int e,int m,teacher* t){
	name=na;
	no=n;
	E_mark=e;
	M_mark=m;
	te=t;

}
student& student::operator=(student& stu){
	if(this==&stu)
		return *this;
	name=stu.name ;
	no=stu.no;
	E_mark=stu.E_mark ;
	M_mark=stu.M_mark ;
	te=stu.te ;
	return *this;
}

student::~student(){
}
void student::display_self(){
	cout<<"\n姓名:"<<name<<"\n"<<"学号:"<<no<<endl;
	cout<<"英语:"<<E_mark<<endl;
	cout<<"高数:"<<M_mark<<endl;
	cout<<"指导教师:"<<endl;
	if(te!=NULL)
	  (*te).display_self ();
	else
		cout<<"没有制定指导教师\n";

}
void student::set_info(){
	cout<<"姓名:";
	cin>>name;
	cout<<"学号:";
	cin>>no;
	cout<<"英语成绩:";
	cin>>E_mark;
	cout<<"高数成绩:";
	cin>>M_mark;
	 char ch;
	cout<<"指导教师信息(无指导教师输入0，否则输入任一数字):"<<endl;
    cin>>ch;
	if(ch!='0'){
		if(te==NULL)
			te=new teacher();
		(*te).set_info ();
	}
}
void student::display_teacher(){
	if(te!=NULL)
	  (*te).display_self ();
	else
		cout<<"没有制定指导教师\n";
}

software_student::software_student(int s,int p,string des,string na,int n,int e,int m,teacher* t)
:student(na,n,e,m,t){
     S_mark=s;
	 P_mark=p;
	 Design=des;
}
software_student::~software_student(){}

void software_student::set_info(){
	student::set_info ();
	cout<<"软件工程成绩:";
	cin>>S_mark;
	cout<<"数据结构成绩:";
	cin>>P_mark;
    cout<<"毕业设计题目:";
	cin>>Design;
}
void software_student::display_self(){
	student::display_self ();
	cout<<"软件工程成绩:"<<S_mark<<endl;
	cout<<"数据结构成绩:"<<P_mark<<endl;
    cout<<"毕业设计题目:"<<Design<<endl;

}
void software_student::display_teacher(){
	student::display_teacher ();  
}

elec_student::elec_student(int elec,int d,string des,string na,int n,int e,int m,teacher* t)
:student(na,n,e,m,t){
     elec_mark=elec;
	 d_mark=d;
	 Design=des;
}

elec_student::~elec_student(){
}
void elec_student::set_info(){
	student::set_info ();
	cout<<"电路原理成绩:";
	cin>>elec_mark;
	cout<<"数字电路成绩:";
	cin>>d_mark;
    cout<<"毕业设计题目:";
	cin>>Design;

}
void elec_student::display_self(){
	student::display_self ();
	cout<<"电路原理成绩:"<<elec_mark<<endl;
	cout<<"数字电路成绩:"<<d_mark<<endl;
    cout<<"毕业设计题目:"<<Design<<endl;

}
void elec_student::display_teacher(){
	student::display_teacher ();
}
int main()
{
	teacher t1("任远方","教授"),t2("王雨","副教授");
	software_student s1(98,86,"约瑟夫环","张力",1,86,90,&t2);
	software_student s2(94,96,"平衡二叉树","陈志勇",2,89,98,&t1);
	elec_student e3(84,86,"电路设计","李红",3,79,78,&t1);
	elec_student e4(85,82,"电路设计","李红",4,89,88,&t2);
	teacher te1("任远方","教授",e3,s2);
	teacher te2("王雨","副教授",s1,e4);
/*	s1.display_self ();
	s1.display_teacher ();
	te1.display_self ();
	te1.display_stu ();
	*/
	int c1;
	cout<<"选择查询信息:\n";
	cout<<"0.退出查询\n";
	cout<<"1.教师信息\t"<<"2.学生信息\n选择:";
	cin>>c1;
	while(c1!=0){
		switch(c1){
		case 2:{
			int c2;
			cout<<"选择学号(1~4):\n选择学号:";
			cin>>c2;
			switch(c2){
			case 1:{
				cout<<"\n学生个人信息:\n";
				cout<<"---------------------";
				s1.display_self();
				cout<<"\n指导教师信息:\n";
				cout<<"---------------------";
				s1.display_teacher ();
				break;
				   }
			case 2:{
				cout<<"\n学生个人信息:\n";
				cout<<"---------------------";
				s2.display_self();
				cout<<"\n指导教师信息:\n";
				cout<<"---------------------";
				s2.display_teacher ();
				break;
				   }
			case 3:{
				cout<<"\n学生个人信息:\n";
				cout<<"---------------------";
				e3.display_self();
				cout<<"\n指导教师信息:\n";
				cout<<"---------------------";
				e3.display_teacher ();
				break;
				   }
			case 4:{
				cout<<"\n学生个人信息:\n";
				cout<<"---------------------";
				e4.display_self();
				cout<<"\n指导教师信息:\n";
				cout<<"---------------------";
				e4.display_teacher ();
				break;
				   }
			default:{
				cout<<"输入有误\n";
					}
			}
			break;
			   }
		case 1:{
			int c2;
			cout<<"选择教师(1~2):\n教师:";
			cin>>c2;
			switch(c2){
			case 1:{
				cout<<"\n教师个人信息:\n";
				cout<<"---------------------";
				te1.display_self ();
				cout<<"\n毕业设计学生信息:\n";
				cout<<"---------------------";
				te1.display_stu ();
				break;
				   }
			case 2:{
				cout<<"\n教师个人信息:\n";
				cout<<"---------------------";
				te2.display_self ();
				cout<<"\n毕业设计学生信息:\n";
				cout<<"---------------------";
				te2.display_stu ();
				break;
				   }
			default:{
				cout<<"输入有误\n";
					}
			}

			break;
			   }
		}
		cout<<"*****************************\n";
	cout<<"选择查询信息:\n";
	cout<<"0.退出查询\n";
	cout<<"1.教师信息\t"<<"2.学生信息\n选择:";
	cin>>c1;
	}
	return 0;
}