cout<<"\t\t\t "<<T->cname<<setw(25-strlen(T->cname))<<T->mark<<endl;
				T = T->Next;
			}
			j=0;
		}
		q = q->Next;
	}
	cout<<"\n\t\t請按任意鍵繼續..."<<endl;
	return 1;
}
int face_1_3(subject_message *P)   //選課情況
{
	subject_message *q=P->Next;
	char N[20];
	system("cls");
	cout<<"\n\n\t\t\t\t選課情況操作"<<endl;
    if(q!=NULL) 
	{
		cout<<"\n\n\n\t\t所有選課情況如下:\n"<<endl;
		cout<<"\n\t\t\t課程名稱\t\t選課人數\n"<<endl;
	}
	else
	{
		cout<<"\n\n\n\t\t對不起,暫時沒有課程!!請按任意鍵繼續.."<<endl; 
		return 1;
	}
	while(q)
	{
		q->sub.get_kname(N);
		cout<<"\t\t\t"<<N<<setw(28-strlen(N))<<q->sub.retactivestudent()<<endl;
		q = q->Next ;
	}
	cout<<"\n\t\t請按任意鍵繼續.."<<endl;
	return 1;
}
int face_1_4(student_message *X,subject_message *P)   //退出系統
{
	face_2_7(X,P);
    exit(0);
	return 0;
}
//////////////////////后臺管理界面///////////////////////////////
int face_2_1(student_message *P)   //增加學生 
{
	char N[20];
	system("cls");;
    cout<<"\n\n\t\t\t\t增加學生操作\n"<<endl;
	cout<<"\n\n\t\t請輸入學生姓名:";
	cin>>N;
	cout<<endl<<"\t\t增加成功,按任意鍵繼續"<<endl;
	student_message *new_xinxi = new student_message;
    new_xinxi->Next = P->Next ;
	new_xinxi->stu.read_name(N);
	P->Next = new_xinxi ;
	return 1;
}
int face_2_2(subject_message *P)   //增加課程
{
    float k;
	char N[20],M[20];
	system("cls");;
	cout<<"\n\n\t\t\t\t增加課程操作\n"<<endl;
	cout<<"\n\n\t\t  請輸入課程名稱:";
	cin>>N;
	cout<<endl;
	subject_message *q = P->Next;
	while(q)
	{
		q->sub.get_kname(M);
		if(strcmp(N,M)==0) 
		{
			cout<<"\n\t\t此課程已經存在,按任意鍵繼續"<<endl;
			return 1;
		}
		q = q->Next;
	}
    cout<<"\t\t輸入此課程的學分:";
	cin>>k;
	cout<<"\n\t\t增加課程操作成功,按任意鍵繼續"<<endl;
	subject_message *new_xinxi = new subject_message;
    new_xinxi->Next = P->Next ;
	new_xinxi->sub.set_kname(N);
	new_xinxi->sub.get_credit(k);
	P->Next = new_xinxi ;
	return 1;
}
int face_2_3(student_message *P)   //刪除學生
{
	system("cls");
	cout<<"\n\n\t\t\t\t刪除學生操作"<<endl;
   	student_message *q = P->Next;
	if(q==NULL) 
		return 1;
	int i;
	char N[20],M[20];
	cout<<"\n\t請輸入要刪除的學生姓名 :";
	cin>>N;
	i=0;
	while(q)
	{
		q->stu.getname(M);
		if(strcmp(N,M)==0)
			i++;
		q = q->Next;
	}
	int j=0,k=1;
	if(i==0)
	{
	    cout<<"\n\t\t沒有這個學生!!請按任意鍵繼續.."<<endl;
		return 1;
	} 
	else if(i>1)
	{
		cout<<"\n\t\t共找到"<<i<<"個姓名為"<<N<<"的學生"<<endl;
		cout<<"\n\t\t要刪除第幾個:";
		cin>>k;
	}
	if(k>i||k<=0) 
		return 1;
	q = P->Next;
	student_message *R = P;
	j=0;     
	while(q)
	{
		q->stu.getname(M);
		if(strcmp(N,M)==0) 
			j++;
		if(j==k)
		{
			R->Next = q->Next;
			free(q);
			cout<<"\n\t\t刪除學生操作成功,按任意鍵繼續.."<<endl;
			return 1;
		}
		q = q->Next;
		R = R->Next;
	}
	return 1;
}
int face_2_4(subject_message *P)   //刪除課程
{
    subject_message *q=P->Next;
	char N[20];
	system("cls");;
    cout<<"\n\n\t\t\t\t刪除課程操作"<<endl;
	if(q!=NULL)
		cout<<"\n\n\n\t\t所有課程如下:\n"<<endl;
	else
	{
		cout<<"\n\n\n\t\t sorry,沒有課程!!請按任意鍵繼續.."<<endl; 
		return 1;
	}
	while(q)
	{
		q->sub.get_kname(N);
		cout<<"\t\t\t\t"<<N<<endl;
		q = q->Next ;
	}
	q = P->Next;
	subject_message *R = P;
	if(q==NULL) 
		return 1;
	char M[20];
	cout<<"\n\t    請輸入要刪除的課程 :";
	cin>>M;
	while(q)
	{
		q->sub.get_kname(N);
		if(strcmp(N,M)==0)
		{
			R->Next = q->Next;
			free(q);
		    cout<<"\n\t\t刪除課程操作成功,按任意鍵繼續"<<endl;
			return 1;
		}
		q = q->Next;
		R = R->Next;
	}
    cout<<"\n\t\t沒有此課程!!\t請按任意鍵繼續.."<<endl;
	return 1;
}
int face_2_5(student_message *X,subject_message *P)   //填寫成績
{
	subject_message *q=P->Next;
	char M[20],N[20],NA[20];
	float score;
	system("cls");
	cout<<"\n\n\t\t\t\t  填寫成績操作\n"<<endl;
	if(q!=NULL) 
		cout<<"\n\t\t\t課程名稱\t\t選課人數\n"<<endl;
	else
	{
		cout<<"\n\n\n\t\t sorry!!沒有任何選修課程。請按任意鍵繼續.."<<endl; 
		return 1;
	}
	while(q)
	{
		q->sub.get_kname(N);
		cout<<"\t\t\t"<<N<<setw(28-strlen(N))<<q->sub.retactivestudent()<<endl;
		q = q->Next ;
	}
    q = P->Next;
	cout<<"\n\t請輸入課程名稱 :";
	cin>>M;
    while(q)
	{
		q->sub.get_kname(N);
		student_name *K = q->sub.retfirst();
		if(K!=NULL) 
			K = K->Next;
		if(strcmp(N,M)==0)
		{
			system("cls");;
    if(K!=NULL)
			{
				cout<<"\n\n\t\t請填寫選修"<<M<<"的學生成績\n"<<endl;
			    cout<<"\n\t\t\t姓名\t\t成績"<<endl;
			}
			if(K==NULL)
			  cout<<"\n\t\t\t無任何信息!!請按任意鍵繼續.."<<endl;
			while(K)
			{
			    cout<<"\n\t\t\t"<<K->tname<<"\t\t ";
	            cin>>score;
				student_message *XX = X->Next;
				while(XX)
				{
					XX->stu.getname(NA);
					if(strcmp(NA,K->tname)==0)
						XX->stu.wrecourse(M,score);
					XX = XX->Next;
				}
				K = K->Next;
			}
			if(K==NULL)
			  cout<<"\n\t\t填寫成績完畢!!請按任意鍵繼續.."<<endl;
			return 1;
		}
		q = q->Next;
	}
	cout<<"\n\t\t沒有此課程!!請按任意鍵繼續.."<<endl;
	return 1;
}
int face_2_7(student_message *Y,subject_message *P)   //保存數據
{
	student_message *Z = Y->Next;
	subject_message *X = P->Next;
	system("cls");;
	fstream file("subject.txt",ios::out);
	while(X)
	{
		file.write ((char *)&(X->sub),sizeof(X->sub));
		X = X->Next;
	}
	file.close();
	fstream file1("student.txt",ios::out);
	fstream file2("course.txt",ios::out);
	while(Z)
	{
		file1.write ((char *)&(Z->stu),sizeof(Z->stu));
		int time = Z->stu.retfact_course();
		course *co = Z->stu.retroot(),*co1;
		if(co!=NULL)
		co1 = co->Next;
        while(time)
		{
			file2.write((char *)(co1),sizeof(*co1));
			co1 = co1->Next;
			time = time - 1;
		}
		Z = Z->Next;
	}
	file2.close ();
	file1.close();
    cout<<"\n\n\n\t\t\t保存數據成功!按任意鍵繼續.."<<endl;
	return 1;
}
int face_2_0()    //退出系統
{
   exit(0);
	return 0;
}
int main()
{
	subject_message *P = new subject_message,*Q=P;
	P->Next = 0;
	subject M;
	fstream file("subject.txt",ios::in);
	while(1)
	{
		file.read((char *)&M,sizeof(M));
		if(!file) break;
		Q->Next = new subject_message;
		Q->Next ->Next = NULL;
		Q->Next ->sub = M;
		Q = Q->Next;
	}
	file.close ();
    student_message *Y = new student_message,*X=Y;
	Y->Next=NULL;
	student N;
	course O;
	fstream file1("student.txt",ios::in);
	fstream file2("course.txt",ios::in);
	while(1)
	{
		file1.read((char *)&N,sizeof(N));
		if(!file1) break;
		Y->Next = new student_message;
		Y->Next ->Next = NULL;
		Y->Next ->stu = N;
		int time = N.retfact_course();
		Y->Next->stu.clrroot ();
		while(time)
		{
			file2.read ((char *)&O,sizeof(course));
			if(!file2) break;
			Y->Next->stu.addcourse(O.cname ,O.mark); 
			time--;
		}
		Y=Y->Next;
	}
	file2.close ();
	file1.close ();
    Q=P->Next;
	while(Q)
	{
		Q->sub.clractivestudnet();
    	Q->sub.findstudent(X);
		Q = Q->Next;
	}
	char c;
	char b;
	b = face();
	if(b=='1')
	{
		while(1)
		{
			c = student_face();
			switch(c)
			{
			case '1': face_1_1(X,P);getch();break;  //學生選課
			case '2': face_1_2(X,P);getch();break;  //學生情況
	        case '3': face_1_3(P);getch();  break;  //選課情況
	        case '4': face_1_4(X,P);        break;  //退出系統
			} 
		}
	}
	if(b=='2')
	{   password();
		while(1)
		{   c = admin_face();
			switch(c)
			{
			case '1': face_2_1(X);getch();  break;   //增加學生 
	        case '2': face_2_2(P);getch();  break;   //增加課程
	        case '3': face_2_3(X);getch();  break;   //刪除學生
			case '4': face_2_4(P);getch();  break;   //刪除課程
			case '5': face_2_5(X,P);getch();break;   //填寫成績
	        case '6': face_1_3(P);getch();  break;   //選課情況
	        case '7': face_2_7(X,P);getch();break;   //保存數據
	        case '0': face_2_0();break;              //退出系統
			}
		}
	}
	return 0;
}