《对C语言编纂的银行系统用C++进行重构——4》

《对C语言编写的银行系统用C++进行重构——4》

/* (程序头部注释开始)
* 程序的版权和版本声明部分
* Copyright (c) 2011, 烟台大学计算机学院学生
* All rights reserved.
* 文件名称：   《对C语言编写的银行系统用C++进行重构——4》
* 作    者：       刘江波
* 完成日期：    2012     年   8    月   24     日
* 版本号：     v.3.0

* 对任务及求解方法的描述部分
* 问题描述：
* 程序头部的注释结束
*/

Bank.h

#ifndef HEADER_BANK
#define HEADER_BANK
#include "LinkList.h"
#include"Record.h"

class Bank
{
private: 

	LinkList *list;

	int account_number;

public:

	Bank();

	~Bank();

	void set_list(LinkList *list);

	LinkList *get_list();

	LinkList *make_list();

	Record *make_record(string userName,string passWord,double balance);

	int create_number();

	int get_number();

	string get_userName();

	string get_passWord();

	double get_balance();

	Record *find_record(int number);
	
	void open_account();

	void find_account();

	void close_account();

	void deposit();

	void withdraw();

	void transfer_account();

};
#endif

Bank.cpp

#include"Bank.h"
#include<iostream>
using namespace std;

Bank::Bank()
{
	this->list = this->make_list();

	this->account_number  = 10000;
}

Bank::~Bank()
{
	delete this->list;//触发LinkList、Node、Record的析构函数

	this->list = NULL;
}

void Bank::set_list(LinkList *list)
{
	this->list = list;
}

LinkList *Bank::get_list()
{
	return this->list;
}

LinkList *Bank::make_list()
{
	return new LinkList();
}

Record *Bank::make_record(string userName,string passWord,double balance)
{
	Record *r = new Record();

	int number = this->create_number();

	r->set_number(number);

	r->set_userName(userName);

	r->set_passWord(passWord);
	
	r->set_balance(balance);

	r->set_flag(1);

	return r;
}

int Bank::create_number()
{
	return this->account_number = this->account_number + 1;
}

int Bank::get_number()
{
	int number;//定义局部变量，用于记录用户键盘输入；

	cout << "Please input number...." << endl;

	cin >> number;

	cout << "Number:" << number << endl;

	return number;
}

string Bank::get_userName()
{
	string userName;//定义局部变量，用于记录用户键盘输入；

	cout << "Please input userName...." << endl;

	cin >> userName;

	cout << "userName:" << userName << endl;

	return userName;
}
	
string Bank::get_passWord()
{
	string passWord;//定义局部变量，用于记录用户键盘输入；

	cout << "Please input passWord...." << endl;

	cin >> passWord;

	cout << "passWord:" << passWord << endl;

	return passWord;
}

double Bank::get_balance()
{
	double balance;//定义局部变量，用于记录用户键盘输入；

	cout << "Please input balance...." << endl;

	cin >> balance;

	cout << "balance:" << balance << endl;

	return balance;
}

Record *Bank::find_record(int number)
{
	Node *n = this->list->find_node(number);

	if(n != NULL)
	{
		return n->get_record();
	}
	return NULL;
}
	
void Bank::open_account()
{
	/*
	开户步骤：
	1.获取用户输入的账户信息；
	2.使用输入数据创建record记录；
	3.创建node结点，封装record记录；
	4.将结点插入到LinkList链表
	*/

	cout << "欢迎加入本行，请你输入注册账户信息："<< endl;

	string userName = this->get_userName();

	string passWord = this->get_passWord();

	double balance = this->get_balance();

	Record *r = this->make_record( userName, passWord, balance);

	Node *n = this->list->make_node(r);

	this->list->insert_node(n);

	cout << "open account...." <<endl;

	r->display_Record();

	cout <<"恭喜你，开户成功！" << endl;
}

void Bank::find_account()
{
	/*
	查询步骤：
	1、获取用户输入的账户信息；
	2、验证账户信息；
	3、显示查询结果；
	*/

	cout << "欢迎使用用户查询功能，请你输入要查询账户的信息："<< endl;

	int number = this->get_number();

	string passWord = this->get_passWord();

	Record *r = this->find_record(number);

	if(r != NULL)
	{
		cout << "Found the account...." << endl;

	}
	else
	{
		cout << "NotFound the account...." << endl;

		return;

	}
	if(passWord == r->get_passWord())
	{
		r->display_Record();

		return;
	}
	else
	{
		cout << "密码输入有误" << endl;

		return;
	}
}

void Bank::close_account()
{
	/*
	销户步骤：
	1、获取用户输入的账户信息；
	2、验证账户信息；
	3、显示账户信息；
	4、销户；
	*/

	cout << "欢迎使用用户销户功能，请你输入要销户的账户信息："<< endl;

	int number = this->get_number();

	string passWord = this->get_passWord();

	Record *r = this->find_record(number);
	
	if(r != NULL)
	{
		cout << "Found the account...." << endl;
	}
	else
	{
		cout << "NotFound the account...." << endl;

		return;
	}
	if(passWord == r->get_passWord())
	{
		r->display_Record();
	}

	else
	{
		cout << "密码输入有误" << endl;

		return;
	}
	
	if(r->get_flag() != -1)
	{
		char a;

		cout << "【确定要销户吗?    Y 确定、N 取消】" <<endl;

		cin >> a;

		if(a == 'Y'||a =='y')
		{
             r->set_flag(-1);

		     r->set_balance(0);

			 cout << "销户成功" <<endl;

			 return;
		 }
	    else 
		{
             cout << "销户不成功" <<endl;

			 return;
	    }
	}
	else 
	{
	     cout << "【很抱歉，此账户已销户】"  << endl;

		 return;
	}	
}

void Bank::deposit()
{
	/*
	存款步骤：
	1、获取用户输入的账户信息；
	2、验证账户信息（账号，状态）；
	3、获取存款金额；
	*/
 
	cout << "欢迎使用用户存款功能，请你输入要存款账户的信息："<< endl;

	int number = this->get_number();

	Record *r = this->find_record(number);

	if(r != NULL)
	{
		cout << "Found the account...." << endl;

		r->display_Record();
	}
	else
	{
		cout << "NotFound the account...." << endl;

		return;
	}

	if(1 == r->get_flag())
	{
		cout << "请输入存款金额：" << endl;

		double cash = this->get_balance();

		r->set_balance(r->get_balance() + cash);

		cout <<"存款成功" <<endl;

		r->display_Record();

		return;
	}
	else
	{
		cout << "【很抱歉，此账户已销户，无法存款】" << endl;

		return;
	}
}

void Bank::withdraw()
{
	/*
	取款步骤：
	1、获取用户输入的账户信息；
	2、验证账户信息；
	3、获取取款金额；
	*/
	cout << "欢迎使用用户取款功能，请你输入要取款账户的信息："<< endl;

	int number = this->get_number();

	string passWord = this->get_passWord();

	Record *r = this->find_record(number);

	if(r != NULL)
	{
		cout << "Found the account...." << endl;
	}
	else
	{
		cout << "NotFound the account...." << endl;

		return;
	}	
    if(passWord == r->get_passWord())
	 {
		 r->display_Record();
	 }
	else
	{
		cout << "密码输入有误" << endl;

		return;
	}
	if(1 == r->get_flag())
	{
		cout << "请输入取款金额：" << endl;

		double cash = this->get_balance();

		if(cash <= r->get_balance())
		{
			  r->set_balance(r->get_balance() - cash);
			
			  cout <<"取款成功" <<endl;
				 
		      r->display_Record();

			  return;
         }
		else
		{
			cout << "【很抱歉，账户余额不足】" << endl;

			return;
		}
			
	}
	else
	{
		cout << "【很抱歉，此账户已销户，无法取款】" << endl;
		
		return;
	}
}

void Bank::transfer_account()
{
	/*
	转账步骤：
	1、登录自己的账户；
	2、验证自己的账户信息；
	3、获取转入账户的信息；
	4、转账；
	*/

	cout << "欢迎使用用户转账功能，请输入你的账户信息："<< endl;

	int number1 = this->get_number();

	string passWord1 = this->get_passWord();

	Record *r1 = this->find_record(number1);

	if(r1 != NULL)
	{
		cout << "Found the account...." << endl;
	}
	else
	{
		cout << "NotFound the account...." << endl;

		return;
	}	
    if(passWord1 == r1->get_passWord())
	 {
		 r1->display_Record();
	 }
	else
	{
		cout << "密码输入有误" << endl;

		return;
	}
	if(1 == r1->get_flag())
	{
		cout << "请输入要转账的账户号：" << endl;
	}
	else
	{
		cout << "【很抱歉，此账户已销户，无法转账】" << endl;
		
		return;
	}

	int number2 = this->get_number();

	Record *r2 = this->find_record(number2);

	if(r2 != NULL)
	{
		cout << "Found the account...." << endl;
	}
	else
	{
		cout << "NotFound the account...." << endl;

		return;
	}	

	if(1 == r2->get_flag())
	{
		cout << "请输入要转账的金额：" << endl;
	}
	else
	{
		cout << "【很抱歉，此账户已销户，无法转账】" << endl;
		
		return;
	}

    double cash = this->get_balance();

	if(cash <= r1->get_balance())
	{
		r1->set_balance(r1->get_balance() - cash);

		r2->set_balance(r2->get_balance() + cash);
			
	    cout <<"转账成功" <<endl;
				 
	    r1->display_Record();

	    return;
     }
	 else
	{
		cout << "【很抱歉，账户余额不足】" << endl;

		return;
	}	
}

TestBank.cpp

#include"Bank.h"
#include<iostream>
using namespace std;

int main()
{
	Bank *bank = new Bank();

	cout << endl;

	bank->open_account();

	cout << endl;

	bank->find_account();

	cout << endl;

    bank->deposit();

	cout << endl;

	bank->withdraw();

	cout << endl;

	bank->transfer_account();

	cout<< endl;
	
	bank->close_account();

	cout << endl;

	system("PAUSE");

    return 0;
}

《对C语言编纂的银行系统用C++进行重构——4》

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