练习.txt

钱能主编 C++程序设计教程（第一版） 该书习题的答案代码

16.1
//-----version1-----//
//实现手工输入帐号和金额，但只能实现调用Account::Display()函数，不能调用Savings和Checking
//的Display()函数
#include <iostream.h>
#include "savings.h"
#include "checking.h"

void main()
{
	Account* p;
	Account* q;
	
	unsigned accNo;
	float balance;

	cout<<"please input an account number and its balance:"<<endl;
	cin>>accNo>>balance;

	while(accNo!=0)
	{
		int i;
		cout<<"请选择帐户类型：1.储蓄帐户"<<endl
			<<"          其它    结算帐户"<<endl;
		cin>>i;

		if(i==1)
		{
			p=(new Savings(accNo,balance));
		}
		else
		{
			q=(new Checking(accNo,balance));
		}
		cout<<"please input an account number and its balance:"<<endl;
		cin>>accNo>>balance;
	}
	Account* pS=Account::First();
	for(;pS!=NULL;pS=pS->Next())
	{
		pS->Display();
	}
	cout<<"end."<<endl;

	pS=Account::First();
	for(;pS!=NULL;pS=pS->Next())
	{
		pS->Withdrawal(500);
		pS->Display();
	}
	cout<<"test..."<<endl;
	Savings test(351010,50000);
	test.Diaplay();
	cout<<"test over."<<endl;
}