项目实训--设计一个银行类（银行类与链表类、节点类构成依赖关系--和类的组合关系不太一样）

/* (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：银行类（银行类与链表类、节点类构成依赖关系）

* 作 者： 雷恒鑫
* 完成日期： 2012 年 08 月 24 日
* 版 本 号： V1.0
* 对任务及求解方法的描述部分
* 输入描述：
* 问题描述：
* 程序输出：

* 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 creat_number();int get_number();string get_userName();string get_passWord();double get_balance();Record *find_record(int number);void open_account();void close_account();void find_account();void deposit();void withdraw();void transfer_account();};#endif

LinkList.h

#ifndef HEADER_LINKLIST#define HEADER_LINKLIST#include "Node.h"class LinkList{private:Node *head;int len;public:LinkList();~LinkList();void set_head(Node *head);void set_len(int len);Node *get_head();int get_len();Node *make_node(Record *record);void insert_node(Node *node);Node *find_node(int number);void display_LinkList();};#endif

Node.h

#ifndef HEADER_NODE#define HEADER_NODE#include "Record.h"class Node{private:Record *record;Node *next;public:Node();~Node();void set_Record(Record *record);void set_next(Node *next);Record *get_Record();Node *get_next();void display_Node();};#endif

Record.h

#ifndef HEADER_RECORD#define HEADER_RECORD#include <string>using namespace std;class Record{private:int number;string userName;string passWord;double balance;int flag;public:Record();void set_number(int number);void set_userName(string userName);void set_passWord(string passWord);void set_balance(double balance);void set_flag(int flag);int get_number();string get_userName();string get_passWord();double get_balance();int get_flag();void display_Record();};#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;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->creat_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::creat_number(){return this->account_number = this->account_number+1;}int Bank::get_number(){int number;cout << "请输入您的账号..." << endl;   //cout<<"please input number..."<<endl;cin >> number;cout << "number:" << number << endl;return number;}string Bank::get_userName(){string userName;cout << "请输入您的用户名..." << endl; //  cout << "please input userName..." << endl;cin >> userName;cout << "userName:" << userName << endl;return userName;}string Bank::get_passWord(){string passWord;cout << "请输入您的密码..." << endl;//cout<<"please input passWord..."<<endl;cin >> passWord;cout << "passWord:" << passWord << endl;return passWord;}double Bank::get_balance(){double balance;cout << "请输入您的存款金额..." << endl;     //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();//使用输入数据创建Record记录Record *r = this->make_record(userName,passWord,balance);//创建Node节点Node *n = this->list->make_node(r);//将Node节点插入到LinkList链表this->list->insert_node(n);cout<<"开户成功!按任意键返回..."<<endl;    //cout<<"open account succeed..."<<endl;getchar();     return; }void Bank::close_account()//销户{string passWord;int i, flag;//1.获取用户输入的账号信息int number = this->get_number();//查找账户位置Node *n = this->list->find_node(number);if(n != NULL){cout << "请输入您的密码..." << endl;//cout << "Please input Your PassWord..." << endl;cin >> passWord;if(passWord == n->get_Record()->get_passWord()){if(n->get_Record()->get_flag() == 1)//1为正常状态{cout << "确认将此账户销户吗？【1：销户|其他：不销户】" << endl;cin >> i;if(i == 1){flag = -1;n->get_Record()->set_flag(flag);cout<<"销户成功!按任意键返回..."<<endl;getchar();  return; }else{cout << "用户取消销户！按任意键返回..." << endl;getchar();  return; }}else{cout << "该账户已销户！按任意键返回..." << endl;getchar();  return; }}else{cout << "密码不正确！按任意键返回..." << endl;getchar();  return; }}else{cout << "查无此账户！按任意键返回..." << endl;getchar();  return; }}void Bank::find_account(){//1.获取用户输入的账号信息int number = this->get_number();//查找账户位置Node *n = this->list->find_node(number);if(n != NULL){n->display_Node();}else{cout << "查无此账户！按任意键返回..." << endl;//cout << "No Found Account Data..." << endl;getchar();  return; }}void Bank::deposit(){//1.获取用户输入的账号信息int number = this->get_number();//查找账户位置Node *n = this->list->find_node(number);if(n != NULL){n->display_Node();cout << "请输入您的存款金额..." << endl;//cout << "Please input cash data..." << endl;double cash;cin >> cash;double balance = n->get_Record()->get_balance();balance = balance + cash;n->get_Record()->set_balance(balance);cout << "存款成功！按任意键返回..." << endl;getchar();  return; }else{cout<<"查无此账户！按任意键返回..."<<endl;//cout<<"No Found Account Data..."<<endl;getchar();  return; }}void Bank::withdraw(){string passWord;double cash;//1.获取用户输入的账号信息int number = this->get_number();//查找账户位置Node *n = this->list->find_node(number);if(n!=NULL){cout << "请输入您的密码..." << endl;//cout << "Please input Your PassWord..." << endl;cin >> passWord;if(passWord == n->get_Record()->get_passWord()){if(n->get_Record()->get_flag() == 1)//1为正常状态{cout << "请输入您的取款金额..." << endl;//cout << "Please input Withdraw data..." << endl;cin >> cash;if(cash <= n->get_Record()->get_balance()){cash = n->get_Record()->get_balance() - cash;n->get_Record()->set_balance(cash);cout << "取款成功！按任意键返回..." << endl;//cout<<"Withdraw success ..."<<endl;getchar(); return; }else{cout << "取款金额大于余额！按任意键返回..." << endl;//cout << "Balance shortage!!! Please re-enter withdraw data..." << endl;getchar(); return; }}else{cout << "该账户已销户！按任意键返回..." << endl;getchar(); return; }}else{cout << "密码不正确！按任意键返回..." << endl;getchar(); return; }}else{cout << "查无此账户！按任意键返回..." << endl;getchar(); return; }}void Bank::transfer_account(){string passWord;double cash;int other_number;//1.获取用户输入的账号信息int number = this->get_number();//查找账户位置Node *n = this->list->find_node(number);if(n != NULL){cout << "Please input Your PassWord..." << endl;cin >> passWord; if(passWord == n->get_Record()->get_passWord()){if(n->get_Record()->get_flag() == 1)//1为正常状态{cout << "请输入您要转账的账号..." << endl;cin >> other_number;//查找账户位置Node *n_other = this->list->find_node(other_number);if(n != NULL){if(n_other->get_Record()->get_flag() == 1)//1为正常状态{cout << "请输入转账金额..." << endl;cin >> cash;if(cash <= n->get_Record()->get_balance()){n_other->get_Record()->set_balance((n_other->get_Record()->get_balance() + cash));n->get_Record()->set_balance((n->get_Record()->get_balance() - cash));cout << "转账成功！按任意键返回..." <<endl;getchar();  return;  }else{cout << "您的转账金额大于大于存款金额！转账非法！按任意键返回..." << endl;getchar(); return; }}else{cout << "该账户已销户！按任意键返回..." << endl;getchar(); return; }}else{cout << "查无此账户！按任意键返回..." << endl;getchar(); return; }}else{cout << "该账户已销户！按任意键返回..." << endl;getchar(); return; }}else{cout << "密码不正确！按任意键返回..." << endl;getchar(); return; }}else{cout << "查无此账户！按任意键返回..." << endl;getchar(); return; }      }

LinkList.cpp

#include "LinkList.h"#include <iostream>using namespace std;LinkList::LinkList(){this->head = NULL;this->len = 0;}LinkList::~LinkList(){Node *p, *q=this->head;while (p != NULL){q = p;p = p->get_next();delete q;}this->head = NULL;this->len = 0;}void LinkList::set_head(Node *head){this->head = head;}void LinkList::set_len(int len){this->len = len;}Node *LinkList::get_head(){return this->head;}int LinkList::get_len(){return this->len;}Node *LinkList::make_node(Record *record){Node *node = new Node();node->set_Record(record);node->set_next(NULL);return node;}void LinkList::insert_node(Node *node){Node *p = this->head;if(p == NULL){this->head = node;this->len++;return;}while(p->get_next() != NULL){p = p->get_next();}p->set_next(node);this->len++;}Node *LinkList::find_node(int number){Node *p = this->head;while (p != NULL){Record *r = p->get_Record();if(r->get_number() == number){return p;}else{p=p->get_next();}}return p;}void LinkList::display_LinkList(){cout<<"显示链表..."<<endl;//cout<<"Print LinkList..."<<endl;//cout<<"Head:"<<this->head<<endl;Node *p = this->head;if(p == NULL){cout << "链表为空..." << endl;//cout << "LinkList is NULL..." << endl;cout << "len:" << this->len << endl;cout << "链表结束（显示完毕）..." << endl;//cout << "End of LinkList..." << endl;return;}while (p != NULL){p->display_Node();p = p->get_next();}cout << "len:" << this->len << endl;    cout << "链表结束（显示完毕）..." << endl;//cout << "End of LinkList..." << endl;return;}

Node.cpp

#include "Node.h"#include <iostream>using namespace std;Node::Node(){this->record = NULL;this->next = NULL;}Node::~Node(){delete this->record;this->record = NULL;this->next = NULL;}void Node::set_Record(Record *record){this->record = record;}void Node::set_next(Node *next){this->next = next;}Record *Node::get_Record(){return this->record;}Node *Node::get_next(){return this->next;}void Node::display_Node(){cout << "打印节点（元素）..." << endl;//cout<<"Print Node elements..."<<endl;if(this->record != NULL){//cout<<"Record*:"<<this->record->display_Record()<<endl;this->record->display_Record();cout << "next*:" << this->next << endl;}else{cout << "节点所指向的记录是空的..." << endl;//cout<<"Record is NULL..."<<endl;}cout << "节点显示结束..." << endl;//cout<<"End of Node..."<<endl;}/*  void display_Node()为了易于了解也可以改成如下结构void display_Node(){Record *r=this->record;cout<<"Print Node elements..."<<endl;if(this->record!=NULL){r->display_Record();cout<<"next*:"<<this->next<<endl;}else{cout<<"Record is NULL..."<<endl;}cout<<"End of Node..."<<endl;}*/

Record.cpp

#include "Record.h"#include <iostream>using namespace std;Record::Record(){this->number = 0;this->userName = "";this->passWord = "";this->balance = 0;this->flag = -1;}void Record::set_number(int number){this->number = number;}void Record::set_userName(string userName){this->userName = userName;}void Record::set_passWord(string passWord){this->passWord = passWord;}void Record::set_balance(double balance){this->balance = balance;}void Record::set_flag(int flag){this->flag = flag;}int Record::get_number(){return this->number;}string Record::get_userName(){return this->userName;}string Record::get_passWord(){return this->passWord;}double Record::get_balance(){return this->balance;}int Record::get_flag(){return this->flag;}void Record::display_Record(){cout << "Print Record Elements..." << endl;cout << "Number：" << endl;cout << "UserName：" << this->userName << endl;cout << "PassWord：" << this->passWord << endl;cout << "Balance：" << this->balance << endl;cout << "Flag：" << this->flag << endl;cout << "End of Record..." << endl;}

TestBank.cpp

#include "Bank.h"#include <iostream>using namespace std;int main(){Bank *b=new Bank();b->open_account();b->find_account();cout<<endl;b->open_account();b->find_account();cout<<endl;b->transfer_account();b->find_account();b->find_account();cout<<endl;return 0;}

运行结果：

 

 

 

 

经验积累：

1.我学会了如何利用类间的依赖关系设计出银行（Bank）类；

2.我对指针的了解更全面了。