열혈 C++ 프로그래밍 OOP 단계별 프로젝트 06단계

Account 클래스를 상속하는 다음 두 클래스를 추가로 정의한다.

NormalAccount

HighCreditAccount

 

 NormalAccount 생성 과정에서 이율정보를 등록할 수 있도록 하고,

HighcreditAccount 생성 과정에서 추가 이율정보를 등록한다.

 

 

 

 

 

Account 클래스를 상속받는 normalAccount 클래스에 이자 정보를 추가하고, 

normalAccount 클래스를 상속받는 highcreditAccount 클래스에 추가 이율 정보를 추가한다.

#include <iostream>
#include <cstring>

const int NAME_LEN=20;
class Accounts   //데이터 클래스
{
private:
    int ID;
    char *name;
    int amount;
    int credit;
public:
    Accounts(const int &ID, char *b, const int &amount) : ID(ID), amount(amount)
    {
        name=new char[strlen(b)+1];
        strcpy(name,b);
    }
    bool Accountcheck(int a) const
    {
        if(a==ID)
            return true;
        else
            return false;
    }
    virtual void Acdeposit(int a)
    {
        amount+=a;
    }
    void Acwithdraw(int a)
    {
        amount-=a;
    }
    void showAccount() const
    {
        std::cout<<"계좌ID: "<<ID<<std::endl;
        std::cout<<"이름: "<<name<<std::endl;
        std::cout<<"잔액: "<<amount<<std::endl<<std::endl;
    }
};

class normalAccounts : public Accounts
{
private:
int interest;

public:
normalAccounts(const int &ID, char *b, const int &amount, int interest) : Accounts(ID, b, amount), interest(interest)
{
    //empty
}
virtual void Acdeposit(int a)
{
    Accounts::Acdeposit(a);
    Accounts::Acdeposit(a*(interest/100));
}

};

class highcreditAccounts : public normalAccounts
{
private:
int creditgrade;

public:
highcreditAccounts(int &ID, char *b, int &amount, int interest, int creditgrade) : normalAccounts(ID, b, amount, interest),  creditgrade(creditgrade)
{
    //empty
}
virtual void Acdeposit(int a)
{
    normalAccounts::Acdeposit(a);
    normalAccounts::Acdeposit(a*(creditgrade)/100);
}

};
class Accounthandler
{
private:
    //int x=0; //account 개수
public:
    void typeAccount();
    void MakeAccount();
    void creditAccount();
    void deposit();
    void withdraw();
    void account_fuc() const;
};
Accounts *Account[NAME_LEN];
normalAccounts *normalAccount[NAME_LEN];
highcreditAccounts *highcreditAccount[NAME_LEN];

int acc=0; //Account 번호

int main()
{
    int num;
    Accounthandler Accounthandler;
    while(1)
    {
        {
            std::cout<<"-----Menu_____"<<std::endl;
            std::cout<<"1. 계좌개설"<<std::endl;
            std::cout<<"2. 입  금"<<std::endl;
            std::cout<<"3. 출  금"<<std::endl;
            std::cout<<"4. 계좌정보 전체 출력"<<std::endl;
            std::cout<<"5. 프로그램 종료"<<std::endl;
            std::cout<<"선택: ";
            std::cin>>num;

            if(num==1)
            {
                Accounthandler.typeAccount();
            }
            else if(num==2)
            {
                Accounthandler.deposit();
            }
            else if(num==3)
            {
                Accounthandler.withdraw();
            }
            else if(num==4)
            {
                Accounthandler.account_fuc();
            }
            else if(num==5)
            {
                break;
            }
        }
    }
    return 0;
}

void Accounthandler::typeAccount()
{
    int type;
    std::cout<<"[계좌종류선택]"<<std::endl;
    std::cout<<"1.보통예금계좌 2.신용신뢰계좌"<<std::endl;
    std::cout<<"선택: ";
    std::cin>>type;
    if(type==1)
    {
        MakeAccount();
    }
    else
    {
        creditAccount();
    }
}
void Accounthandler::MakeAccount()
{
    int a;
    char b[NAME_LEN];
    int c;
    int d;
    std::cout<<"[보통예금계좌개설]"<<std::endl;
    std::cout<<"계좌ID: ";
    std::cin>>a;
    std::cout<<"이  름: ";
    std::cin>>b;
    std::cout<<"입금액: ";
    std::cin>>c;
    std::cout<<"이자율: ";
    std::cin>>d;
    Account[acc]=new normalAccounts(a,b,c,d);
    acc++;
}
void Accounthandler::creditAccount()
{
    int a;
    char b[NAME_LEN];
    int c;
    int d;
    int e;
    std::cout<<"[신용신뢰계좌개설]"<<std::endl;
    std::cout<<"계좌ID: ";
    std::cin>>a;
    std::cout<<"이  름: ";
    std::cin>>b;
    std::cout<<"입금액: ";
    std::cin>>c;
    std::cout<<"이자율: ";
    std::cin>>d;
    std::cout<<"신용등급(1toA, 2toB, 3toC): ";
    std::cin>>e;
    Account[acc]=new highcreditAccounts(a,b,c,d,e);
    acc++;
}
void Accounthandler::deposit()
{
    int acID=0;
    int num=0;
    int am=0;
    std::cout<<"[입  금]";
    std::cout<<"계좌ID: ";
    std::cin>>acID;
    while(1)
    {
        if (Account[num]->Accountcheck(acID) == true)
            break;
        else
            num++;
    }
    std::cout<<"입금액: ";
    std::cin>>am;
    Account[num]->Acdeposit(am);
    std::cout<<"입금완료"<<std::endl;
}


void Accounthandler::withdraw()
{
    int acID=0;
    int num=0;
    int am=0;
    std::cout<<"[입  금]";
    std::cout<<"계좌ID: ";
    std::cin>>acID;
    while(1)
    {
        if(Account[num]->Accountcheck(acID)==true)
            break;
        else
            num++;
    }
    std::cout<<"출금액: ";
    std::cin>>am;
    Account[num]->Acwithdraw(am);
    std::cout<<"출금완료"<<std::endl;
}
void Accounthandler::account_fuc() const
{
    for(int r=0; r<acc; r++)
    {
        Account[r]->showAccount();
    }
}