第三课——最后一个类

怼烎@ 2022-06-02 12:49 137阅读 0赞

头文件 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();//工厂模式
    	Record * make_record(string userName, string passWord, double balance);
    	int create_number();//生成账号
    	int get_number();
    	string get_userName();
    	string get_passWord();
    	double get_balance();//接收用户键盘输入，供其它函数使用
    	Record * find_record(int number);
    
    	void open_account();//开户
    	void find_account();//查询，供用户使用
    	void close_account();//销户
    	void deposit();//存款
    	void withdraw();//取款
    	void tranfser();//转账
    };
    #endif
    
    源文件 Bank.h
    
    #include "Bank.h"
    #include<conio.h>
    #include<iostream>
    using namespace std;
    
    
    Bank::Bank()
    {
    	this->list = this->make_List();
    	this->account_number = 10000;
    }
    
    Bank::~Bank()
    {
    	delete this->list;
    	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;
    	cout << "Please input number..." << endl;
    	cin >> number;
    	cout << "Number : " << number << endl;
    	return number;
    }
    
    string Bank::get_userName()
    {
    	string userName;
    	cout << "Please input userName..." << endl;
    	cin >> userName;
    	cout << "UserName : " << userName << endl;
    	return userName;
    }
    
    string Bank::get_passWord()
    {
    	string passWord;
    	cout << "Please input passWord..." << endl;
    	cin >> passWord;
    	cout << "PassWord : " << passWord << endl;
    	return passWord;
    }
    
    double Bank::get_balance()
    {
    	double balance;
    	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()
    {
    	//1 获取用户输入的账户信息
    	string userName = this->get_userName();
    	string passWord = this->get_passWord();
    	double balance = this->get_balance();
    
    	//2 使用输入数据创建Record记录
    	Record * r = this->make_record(userName, passWord, balance);
    
    	//3 创建Node节点，封装Record记录
    	Node * n = this->list->make_node(r);
    
    	//4 将Node节点插入到LinkList链表
    	this->list->insert_node(n);
    
    	cout << "open account..." << endl;
    	getch();
    }
    
    void Bank::find_account()//查询
    {
    	int number = this->get_number();
    	Record * r = this->find_record(number);
    	//判断账户是否存在
    	if(r == NULL)
    	{
    		cout << "查无此账户,按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	//判断用户密码是否正确
    	string passWord;
    	passWord = this->get_passWord();
    	for(int i = 0; r->get_passWord() != passWord; i++)
    	{	
    		if(i == 2)
    		{
    			cout << "密码错误以3次，按任意键返回..." << endl;
    			getch();
    		    return;
    		}
    		cout << "密码不正确！请重新输入..." << endl;
    		passWord = this->get_passWord();
    	}
    	r->display_Record();
    	cout << "查询成功，按任意键返回..." << endl;
    	getch();
    }
    
    void Bank::close_account()//销户
    {
    	int number = this->get_number();
    	Record * r = this->find_record(number);
    	//判断账户是否存在
    	if(r == NULL)
    	{
    		cout << "查无此账户,按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	//判断用户密码是否正确
    	string passWord;
    	passWord = this->get_passWord();
    	for(int i = 0; r->get_passWord() != passWord; i++)
    	{	
    		if(i == 2)
    		{
    			cout << "密码错误以3次，按任意键返回...";
    			getch();
    		    return;
    		}
    		cout << "密码不正确！请重新输入..." << endl;
    		passWord = this->get_passWord();
    	}
    	//判断是否已经销户，如果销户就不能再次销户
    	if(r->get_flag() == 0)
    	{
    		cout << "该帐户已经销户，不能再次销户，按任意键返回..." << endl;
    		getch();
    		return;
    	}
        //让用户确认选择
    	cout << "确认将帐户" << r->get_userName() << "销户吗?" << "[1:销户 | 其他:不销户]" << endl;
    	int userAnswer;
    	cin >> userAnswer;
    	if(userAnswer == 1)
    	{
    		r->set_flag(0);
    		r->set_balance(0);
    		r->display_Record();
    		cout << "销户成功！按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	r->display_Record();
    	cout << "用户取消销户！按任意键返回..." << endl;
    	getch();
    }
    
    void Bank::deposit()//存款
    {
    	double cash, balance;
    	int number = this->get_number();
    	Record * r = this->find_record(number);
    	//判断账户是否存在
    	if(r == NULL)
    	{
    		cout << "查无此账户,按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	//判断账户是否销户，如果销户则不能存款
    	if(r->get_flag() == 0)
    	{
    		cout << "该帐户已经注销，不能存款！按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	r->display_Record();
    	cout << "请输入存款金额:" << endl;
    	cin >> cash;
    	balance = r->get_balance() + cash;
    	r->set_balance(balance);
    	r->display_Record();
    	cout << "存款成功！按任意键返回..." << endl;
    	getch();
    }
    	
    void Bank::withdraw()//取款
    {
    	double cash, balance;
    	int number = this->get_number();
    	Record * r = this->find_record(number);
    	//判断账户是否存在
    	if(r == NULL)
    	{
    		cout << "查无此账户,按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	//判断用户密码是否正确
    	string passWord;
    	passWord = this->get_passWord();
    	for(int i = 0; r->get_passWord() != passWord; i++)
    	{	
    		if(i == 2)
    		{
    			cout << "密码错误以3次，按任意键返回...";
    			getch();
    		    return;
    		}
    		cout << "密码不正确！请重新输入..." << endl;
    		passWord = this->get_passWord();
    	}
    	//判断账户是否销户，如果销户则不能取款
    	if(r->get_flag() == 0)
    	{
    		cout << "该帐户已经销户，不能取款，按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	cout << "请输入取款金额:" << endl;
    	cin >> cash;
    	//判断账户余额是否充足，如果不足则不能取款
    	if(r->get_balance() < cash)
    	{
    		cout << "帐户余额不足！按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	r->display_Record();
    	balance = r->get_balance() - cash;
    	r->set_balance(balance);
    	r->display_Record();
    	cout << "取款成功！按任意键返回..." << endl;
    	getch();
    }
    
    void Bank::tranfser()//转账
    {
    	double cash, balance1, balance2;
    	cout << "请输入要转出的账户账号：" << endl;
    	int number1 = this->get_number();
    	Record * r1 = this->find_record(number1);
    	//判断账户是否存在
    	if(r1 == NULL)
    	{
    		cout << "查无此账户,按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	//判断用户密码是否正确
    	string passWord1;
    	passWord1 = this->get_passWord();
    	for(int i = 0; r1->get_passWord() != passWord1; i++)
    	{	
    		if(i == 2)
    		{
    			cout << "密码错误以3次，按任意键返回...";
    			getch();
    		    return;
    		}
    		cout << "密码不正确！请重新输入..." << endl;
    		passWord1 = this->get_passWord();
    	}
    	//判断账户是否销户，如果销户则不能取款
    	if(r1->get_flag() == 0)
    	{
    		cout << "该帐户已经销户，不能转出，按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	
    	//判断账户余额是否充足，如果不足则不能取款
    	if(r1->get_balance() < cash)
    	{
    		cout << "帐户余额不足！不能转出，按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	
    	cout << "请输入要转入的账户账号：" << endl;
    	int number2 = this->get_number();
    	Record * r2 = this->find_record(number2);
    	//判断账户是否存在
    	if(r2 == NULL)
    	{
    		cout << "查无此账户,按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	//判断账户是否销户，如果销户则不能存款
    	if(r2->get_flag() == 0)
    	{
    		cout << "该帐户已经注销，不能转入！按任意键返回..." << endl;
    		getch();
    		return;
    	}
    	cout << "请输入转出金额:" << endl;
    	cin >> cash;
    
    	cout << "转出账户信息" << endl;
    	r1->display_Record();
    	balance1 = r1->get_balance() - cash;
    	r1->set_balance(balance1);
    	cout << "转出账户转出后账户信息" << endl;
    	r1->display_Record();
    
    	cout << "转入账户信息" << endl;
    	r2->display_Record();
    	balance2 = r2->get_balance() + cash;
    	r2->set_balance(balance2);
    	cout << "转入账户转入后账户信息" << endl;
    	r2->display_Record();
    	cout << "转账成功！按任意键返回..." << endl;
    	getch();
    }

上机感言：项目已接近尾声了，心中有一丝的欣喜，一个项目是一点点的积累，从小逐渐变大到最后完成我们所需的功能