银行系统改编版

以你之姓@ 2022-08-26 14:11 199阅读 0赞

今天对银行系统进行了修改终于修改好了。下面是我今天忙了一大早的成果。大家看看吧。

\#include<iostream>  
using namespace std;  
class Account  
\{  
friend class CheckingAccount;  
protected:  
double balance;  //账户余额  
public:  
Account(double Balanc);  
void credit();//向当前余额加钱  
int debit();//从账中取钱  
int getBalance();//返回balance值  
\};  
Account::Account(double Balance)  
\{  
  balance=Balance;  
\}  
void Account::credit()  
\{  
int save;  
 cout<<"您的银行可用余额为:"<<balance<<endl;  
 cout<<"请输入您要存入的金额:"<<endl;  
 cin>>save;  
 balance=balance+save;  
 cout<<"存入后的余额为:"<<endl;  
 cout<<balance<<endl;  
\}  
int Account::debit()  
\{  
 int demand;int flag=1;  
 cout<<"请输入您要取出的金额:"<<endl;  
 cin>>demand;  
 if(demand>balance)  
 \{balance=balance;  
 cout<<"对不起！您的余额不足,请充值:"<<endl;  
 \}  
 else  
 \{ balance=balance-demand;  
   cout<<"您已成功取出"<<demand<<"元现金"<<endl;  
   cout<<"您的余额为"<<getBalance()<<endl;;  
   //cout<<"您的余额为"<<balance<<endl;  
   flag=0;//表示钱已被取走  
 \}  
  return flag;  
\}  
int Account::getBalance()  
\{  
 return balance;  
\}  
class SavingAccount:public Account  
\{  
friend class CheckingAccount;//下面的CheckingAccount中会用到//SavingAccount中的caclculateInterest  
private:  
//double balance;  
double interestrate;//账户的比例  
public:  
SavingAccount(double Balance,double Interestrate);  
int caclculateInterest();  
\};  
SavingAccount::SavingAccount(double Balance,double Interestrate):Account(Balance)  
\{  
balance=balance;  
 interestrate=Interestrate;  
 //credit();//存  
 //debit();//取  
\}  
int SavingAccount::caclculateInterest()  
\{  
double money;  
money=balance\*interestrate;  
return money;//利息  
\}  
class CheckingAccount:public SavingAccount  
\{  
private:  
double fare;//表示每笔的费用  
public:  
CheckingAccount(double Balance,double Interestrate,double Fare);  
void rescredit();  
int resdebit();  
\};  
CheckingAccount::CheckingAccount(double Balance,double Interestrate,double Fare):SavingAccount(Balance,Interestrate)  
\{  
balance=Balance;  
interestrate=Interestrate;  
  fare=Fare;  
\}  
/\*void CheckingAccount::rescredit()  
\{  
 credit();  
 //caclculateInterest();  
 int save;  
 cout<<"请输入您要存入的金额:"<<endl;  
 cin>>save;  
 balance=balance+save;  
\}\*/  
int CheckingAccount::resdebit()  
\{bool flag;  
 //credit();  
 //debit();  
 if(debit()==0)  
 \{  
cout<<"您已成功提出钱！:"<<endl;  
balance=balance-fare;  
cout<<"取钱收取费用!"<<endl;   
 cout<<"收取的费用后余额产生的利息:"<<caclculateInterest()<<endl;  
 \}  
 else  
cout<<"收费不成功:"<<endl;  
 return balance;  
\}  
void main()  
\{  
cout<<"\*\*\*\*\*\*\*\*\*\*\*\*欢迎您使用张新华银行系统\*\*\*\*\*\*\*\*\*\*\*\*"<<endl;  
cout<<"\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*"<<endl;  
 Account A1(100);  
 A1.credit();A1.debit();A1.getBalance();  
 cout<<"\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*"<<endl;  
 SavingAccount S1(A1.getBalance(),0.2);  
 S1.credit();  
 S1.debit();  
 S1.getBalance();  
 cout<<"账户的利息:"<<S1.caclculateInterest()<<endl;  
  cout<<"\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*"<<endl;  
  CheckingAccount C1(S1.getBalance(),0.2,30);  
 C1.credit();  
 //C1.debit();  
 cout<<"收取费用后的余额:"<<C1.resdebit();  
\}