subject.cpp

学生选课部分基本实现了学生对课程信息的查看、查找、删除、选择等功能；教务处管理部分基本实现教师对课程和学生的信息输入及修改等功能。

#include"subject.h"
#include <string.h>
float subject::read_credit ()
{
	return credit;
}
void subject::get_credit (float a)
{
	credit=a;
}
void subject::get_kname (char N[])
{
	strcpy(N,kname);
}
void subject::set_kname (char N[])
{
	strcpy(kname,N);
}
void subject::findstudent(student_message *P)
{
	student_name *newcode = new student_name;
	newcode->Next=NULL;
	first = newcode;
	student_name *T = first;
    student_message*K = P->Next;
	while(K)
	{
		course *Y = K->stu.retroot();
		if(Y ==NULL)
		{
			K = K->Next;
			continue;
		}
		if(Y!=NULL) 
			Y = Y->Next;
		while(Y)
		{   if(strcmp(Y->cname,kname)==0)
			{
				student_name *Acode = new student_name;
				char Name[20];
				K->stu.getname(Name);
				strcpy(Acode->tname,Name);
				Acode->result = Y->mark;
				Acode->Next = T->Next;
				T->Next = Acode;
				activestudnet = activestudnet + 1;
				break;
			}
            Y = Y->Next;
		}
		K = K->Next;
	}
	return ;
}