checking.cpp

教学目的： 要求理解继承的本质含义以及在面向对象技术中的重要性

#include<iostream.h>
#include"checking.h"

Checking* Checking::pFirst=0;//链表为空
int Checking::count=0;       //帐户个数为0

Checking::Checking(unsigned accNo,float balan)
{
	acntNumber=accNo;
	balance=balan;
	remittance=other;//设置汇款方式

	count++;
	if(pFirst==0)
		pFirst=this;//空链表中插入一个
	else
	{
		Checking* pS=pFirst;
		for(;pS->pNext;pS=pS->pNext);
		pS->pNext=this;//插入本结点
	}
	pNext=0;//本结点为最后一个结点
}
unsigned Checking::AccountNo()
{
	return acntNumber;
}
float Checking::AcntBalan()
{
	return balance;
}
Checking* Checking::First()
{
	return pFirst;
}
Checking* Checking::Next()
{
	return pNext;
}
int Checking::NoAccounts()
{
	return count;
}
void Checking::Display()
{
	cout<<"Checking account number:"<<acntNumber<<"="<<balance<<endl;
}
void Checking::Deposit(float amount)
{
	balance=+amount;
}
void Checking::Withdrawal(float amount)
{
	float temp=amount;//非信汇、电汇结算方式，则不收手续费
	if(remittance==remitByPost)//若信汇，则加收30元手续费
		temp=amount+30;
	else if(remittance==remitByCable)//若电汇，则加收60元手续费
		temp=amount+60;

	if(balance<temp)
		cout<<"Insufficient funds:balance"<<balance<<",Withdrawal"<<amount<<endl;
	else
		balance-=temp;
}
void Checking::SetRemit(REMIT re)
{
	remittance=re;
}