[C++] Console 기반 학생관리프로그램

c++ 기반이지만 DELETE INSERT SEARCH 등 데이터베이스 개념을 익히고 나서 DB와 연동하여 만들경우 훌륭한 예제가 되지 않을까 싶다. 현재는 Console에서만 데이터가 스택이 쌓이지만 프로그램을 종료할경우 모든것이 초기화 된다. 만약db와 연동하면 지속적으로 데이터가 쌓이는 구조를 확인할수 있기때문에 향후 MFC와 함께 db연동을 한다면 실력향상에 도움이 될듯싶다. 

 

출처 :  https://www.inflearn.com/course-status-2/  

 

#include
using namespace std;
 
#define NAME_SIZE 32
#define STUDENT_MAX 10
#define ADDRESS_SIZE 128
#define PHONE_SIZE 15
 
struct _tagStudent
{
    char strName[NAME_SIZE];
    char strAddress[ADDRESS_SIZE];
    char strPhone[PHONE_SIZE];
    int iNumber;
    int iKor;
    int iEng;
    int iMath;
    int iTotal;
    float fAvg;
};
 
enum MENU
{
    MENU_NONE,
    MENU_INSERT,
    MENU_DELETE,
    MENU_SEARCH,
    MENU_OUTPUT,
    MENU_EXIT
};
 
 
int main()
{
 
    _tagStudent tStudentArr[STUDENT_MAX] = {};
    char strName[NAME_SIZE] = {};
    int iStudentCount = 0;
    int iStdNumber = 1;
 
 
    while (true)
    {
 
        cout << " 1. 학생 등록 : " << endl;
        cout << " 2. 학생 삭제 : " << endl;
        cout << " 3. 학생 탑색 : " << endl;
        cout << " 4. 학생 출력 :   " << endl;
        cout << " 5. 종료 " << endl;
        cout << " 메뉴를 선택하세요 : ";
 
        int iMenu;
        cin >> iMenu;
 
        if (cin.fail())
        {
            cin.clear();
 
            continue;
        }
 
 
 
 
        if (iMenu == MENU_EXIT)
            break;
 
        switch (iMenu)
        {
        case MENU_INSERT:
 
           
            cout << " ==========학생정보 입력=============" << endl;
 
            if (iStudentCount == STUDENT_MAX)
                break;
 
            //학생정보 학번 , 이름 , 주소 , 전화번호
            //국어,영어,수학점수는 입력받음 학번, 총점, 평균은 연산을 통해 계산.
 
            cout << "이름 :";
            cin >> tStudentArr[iStudentCount].strName;
 
            cin.ignore(1024, '\n');
 
            cout << "주소 : ";
            cin.getline(tStudentArr[iStudentCount].strAddress, ADDRESS_SIZE);
 
            cout << "전화번호 : ";
            cin.getline(tStudentArr[iStudentCount].strPhone, PHONE_SIZE);
 
            cout << "국어 : ";
            cin >> tStudentArr[iStudentCount].iKor;
            cout << "영어 : ";
            cin >> tStudentArr[iStudentCount].iEng;
            cout << "수학 : ";
            cin >> tStudentArr[iStudentCount].iMath;
 
 
            tStudentArr[iStudentCount].iTotal =
                tStudentArr[iStudentCount].iKor +
                tStudentArr[iStudentCount].iEng +
                tStudentArr[iStudentCount].iMath;
 
            tStudentArr[iStudentCount].fAvg =
                tStudentArr[iStudentCount].iTotal / 3.f;
 
 
            tStudentArr[iStudentCount].iNumber = iStdNumber;
 
            ++iStdNumber;
            ++iStudentCount;
 
            cout << "학생 추가 완료 " << endl;
 
 
 
            break;
        case MENU_DELETE:
 
 
           
            cout << "=======================삭제할 학생 ==================" << endl;
 
 
 
            cin.ignore(1024, '\n');
            cout << "삭제할 이름을 입력 : ";
            cin.getline(strName, NAME_SIZE);
 
            for (int i = 0; i < iStudentCount; ++i)
            {
                if (strcmp(tStudentArr[i].strName, strName) == 0)
                {
                    for (int j = i; j < iStudentCount - 1; ++j)
                    {
                        tStudentArr[i] = tStudentArr[i + 1];
                    }
                    --iStudentCount;
 
                    cout << "학생을 삭제하였습니다" << endl;
                    break;
                }
            }
 
 
            break;
        case MENU_SEARCH:
           
 
            cout << "=======================학생 탐색 ==================" << endl;
 
           
 
            cin.ignore(1024, '\n');
            cout << "탐색할 이름을 입력 : ";
            cin.getline(strName,NAME_SIZE);
 
            for (int i = 0; i < iStudentCount; ++i)
            {
                if (strcmp(tStudentArr[i].strName, strName) == 0)
                {
                    cout << "이름 : " << tStudentArr[i].strName << endl;
                    cout << "전화번호 : " << tStudentArr[i].strPhone << endl;
                    cout << "주소 : " << tStudentArr[i].strAddress << endl;
                    cout << "학번 : " << tStudentArr[i].iNumber << endl;
                    cout << "국어 : " << tStudentArr[i].iKor << endl;
                    cout << "영어 : " << tStudentArr[i].iEng << endl;
                    cout << "수학 : " << tStudentArr[i].iMath << endl;
                    cout << "총점 : " << tStudentArr[i].iTotal << endl;
                    cout << "평균 : " << tStudentArr[i].fAvg << endl << endl;
                    break;
                }
            }
 
 
 
 
 
            break;
        case MENU_OUTPUT:
 
           
 
            cout << "=============학생출력 ============" << endl;
 
            for (int i = 0; i < iStudentCount; ++i)
            {
                cout << "이름 : " << tStudentArr[i].strName << endl;
                cout << "전화번호 : " << tStudentArr[i].strPhone << endl;
                cout << "주소 : " << tStudentArr[i].strAddress << endl;
                cout << "학번 : " << tStudentArr[i].iNumber << endl;
                cout << "국어 : " << tStudentArr[i].iKor << endl;
                cout << "영어 : " << tStudentArr[i].iEng << endl;
                cout << "수학 : " << tStudentArr[i].iMath << endl;
                cout << "총점 : " << tStudentArr[i].iTotal << endl;
                cout << "평균 : " << tStudentArr[i].fAvg << endl << endl;
            }
 
 
 
            break;
        default:
            cout << "메뉴를 잘못 선택했습니다. " << endl;
            break;
        }
 
  
    }
}