성우 1장 OOP 단계별 프로젝트

/* 

 * 윤성우 1장 OOP 단계별 프로젝트

 */

#include <iostream>

#include <cstring>

using namespace std;

const int NAME_LEN=20;

void ShowMenu(void);       // 메뉴출력

void MakeAccount(void);    // 계좌개설을 위한 함수

void DepositMoney(void);       // 입    금

void WithdrawMoney(void);      // 출    금

void ShowAllAccInfo(void);     // 잔액조회

enum {MAKE=1, DEPOSIT, WITHDRAW, INQUIRE, EXIT};

typedef struct 

{

int accID;      // 계좌번호

int balance;    // 잔    액

char cusName[NAME_LEN];   // 고객이름

} Account;

Account accArr[100];   // Account 저장을 위한 배열

int accNum=0;        // 저장된 Account 수

int main(void)

{

int choice;

while(1)

{

ShowMenu();

cout<<"선택: "; 

cin>>choice;

cout<<endl;

switch(choice)

{

case MAKE:

MakeAccount(); 

break;

case DEPOSIT:

DepositMoney(); 

break;

case WITHDRAW: 

WithdrawMoney(); 

break;

case INQUIRE:

ShowAllAccInfo(); 

break;

case EXIT:

return 0;

default:

cout<<"Illegal selection.."<<endl;

}

}

return 0;

}

void ShowMenu(void)

{

cout<<"-----Menu------"<<endl;

cout<<"1. 계좌개설"<<endl;

cout<<"2. 입    금"<<endl;

cout<<"3. 출    금"<<endl;

cout<<"4. 계좌정보 전체 출력"<<endl;

cout<<"5. 프로그램 종료"<<endl;

}

void MakeAccount(void) 

{

int id;

char name[NAME_LEN];

int balance;

cout<<"[계좌개설]"<<endl;

cout<<"계좌ID: "; cin>>id;

cout<<"이  름: "; cin>>name;

cout<<"입금액: "; cin>>balance;

cout<<endl;

accArr[accNum].accID=id;

accArr[accNum].balance=balance;

strcpy(accArr[accNum].cusName, name);

accNum++;

}

void DepositMoney(void)

{

int money;

int id;

cout<<"[입    금]"<<endl;

cout<<"계좌ID: "; cin>>id;

cout<<"입금액: "; cin>>money;

for(int i=0; i<accNum; i++)

{

if(accArr[i].accID==id)

{

accArr[i].balance+=money;

cout<<"입금완료"<<endl<<endl;

return;

}

}

cout<<"유효하지 않은 ID 입니다."<<endl<<endl;

}

void WithdrawMoney(void)

{

int money;

int id;

cout<<"[출    금]"<<endl;

cout<<"계좌ID: "; cin>>id;

cout<<"출금액: "; cin>>money;

for(int i=0; i<accNum; i++)

{

if(accArr[i].accID==id)

{

if(accArr[i].balance<money)

{

cout<<"잔액부족"<<endl<<endl;

return;

}

accArr[i].balance-=money;

cout<<"출금완료"<<endl<<endl;

return;

}

}

cout<<"유효하지 않은 ID 입니다."<<endl<<endl;

}

void ShowAllAccInfo(void)

{

for(int i=0; i<accNum; i++)

{

cout<<"계좌ID: "<<accArr[i].accID<<endl;

cout<<"이  름: "<<accArr[i].cusName<<endl;

cout<<"잔  액: "<<accArr[i].balance<<endl<<endl;

}

}