酒店管理系统项目：
旅客类：
姓名、性别、身份证号
构造函数
show
setName\setSex\setId (可选)
房间类：
房号、房型、房价、入住数、旅客数组
构造函数
入住
退房
show
酒店类：(单例模式)
层数、每层房数、房间对象(三级指针)
构造函数 (读酒店信息文件进行构造)
入住
退房
查看空房
查询房间
升级
管理员类：(选做)
5 层数
4 第一层房间数
1001 2 200
1002 3 200
1003 2 200
1005 2 200
2
1.guest.h
#pragma once#include <iostream>
#include <string>
#include <fstream>using namespace std;class Guest
{string name;char sex;string id;
public:Guest(const string name="", char sex='m', const string id="") : name(name), sex(sex), id(id) {}//显示客人信息void show(){cout<<name<<" "<<sex<<" "<<id<<endl;}// friend ostream& operator<<(ostream& os, const Guest& g)// {// return os<<g.name<<" "<<g.sex<<" "<<g.id;// }
};2.room.h
#pragma once#include "guest.h"class Room
{char type;short id;float price;int guest_cnt;Guest** guests;public:Room(char type, short id, float price):type(type), id(id), price(price){guests = new Guest*[100];guest_cnt = 0;}//显示房间，客人信息void show(void){cout<<id<<" "<<(int)type<<" "<<price<<endl;for(int i=0; i<guest_cnt; i++){cout<<"旅客"<<i+1<<": "<<endl;guests[i]->show();}}//运算符重载写法// friend ostream& operator<<(ostream& os, const Room& r)// {// os<<r.id<<" "<<r.type<<" "<<r.price<<endl;// for(int i=0; i<r.guest_cnt; i++)// {// os<<"旅客"<<i+1<<": "<<endl;// os<<r.guests[i];// }// return os;// }bool cmp_room_id(int room_id){return id==room_id;}bool in(Guest* guest){if(guest_cnt >= type){return false;}guests[guest_cnt++] = guest;return true;}//重载==运算符,对比房号bool operator==(int room_id){return id==room_id;}//是否空房bool empty(void){return guest_cnt==0;}//退房void out(void){if(0==guest_cnt){cout<<"房间"<<id<<"已空"<<endl;}for(int i=0; i<guest_cnt; i++){delete guests[i];}guest_cnt = 0;cout<<"退房成功"<<endl;system("pause");}
};3.hotel.h
#pragma once#include "room.h"
#include "tools.h"class Hotel
{static Hotel hotel;int level_cnt;int *level_room;Room ***rooms;Hotel(void){}Hotel(const Hotel& that){}
public:static Hotel& getHotel(void){return hotel;}void load(const char *path); //加载房间信息void start(void); //程序运行int menu(void); //显示菜单并返回选择void in(void); //入住void list(void); //显示空房void query(void); //查询已入住房间，房客信息void out(void); //退房void upgrade(void); //升级房间Room *find(int room_id); //根据房间号查找房间，因为入住或退房等都需要房间号，所以提供一个接口
};4.hotel.cpp
#include "hotel.h"Hotel Hotel::hotel;void Hotel::load(const char *path)
{FILE *fp = fopen(path, "r");if (NULL == fp){perror("fopen");return;}fscanf(fp, "%d", &level_cnt);level_room = new int[level_cnt];rooms = new Room **[level_cnt];for (int i = 0; i < level_cnt; i++){fscanf(fp, "%d", &level_room[i]);rooms[i] = new Room *[level_room[i]];for (int j = 0; j < level_room[i]; j++){char type;short id;float price;fscanf(fp, "%hd %hhd %f", &id, &type, &price);rooms[i][j] = new Room(type, id, price);rooms[i][j]->show();}}// C++写法// ifstream ifs(path);// if(!ifs.good())// {// cout<<"errno"<<endl;// return;// }// ifs>>level_cnt;// level_room = new int[level_cnt];// rooms = new Room **[level_cnt];// for(int i=0;i<level_cnt;i++)// {// ifs>>level_room[i];// rooms[i] = new Room *[level_room[i]];// for(int j=0;j<level_room[i];j++)// {// char type;// short id;// float price;// ifs>>id>>type>>price;// rooms[i][j]=new Room(type, id, price);// }// }// cout<<__func__<<endl;
}void Hotel::start(void)
{while (true){switch (menu()){case '1':in(); break;case '2':query(); break;case '3':out(); break;case '4':list(); break;case '0':cout << "欢迎下次光临！" << endl;return;break;default:break;}}//cout << __func__ << endl;
}int Hotel:: menu(void) // 显示菜单并返回选择
{system("cls");cout << "***欢迎使用XXX酒店管理系统***" << endl;cout << "1.入住 2.查询" << endl;cout << "3.退房 4.查看" << endl;cout << "0.退出" << endl;return get_cmd('0','4');
}void Hotel:: in(void)
{string name,id;char sex;cout << "请输入姓名、性别、身份证号：";cin >> name >> sex >> id;Guest *guest = new Guest(name, sex, id);int room_id;cout << "请输入要入住的房间：";cin >> room_id;Room *room = find(room_id);if (room == NULL){cout << "未找到该房间：" <<room_id <<",请检查房间号"<< endl;return;}if(room->in(guest)){cout << "入住成功！" << endl;system("pause");}else{cout << "该房间已满!" << endl;delete guest;}
}
void Hotel::list(void)
{for(int i=0;i<level_cnt;i++){for(int j=0;j<level_room[i];j++){if(rooms[i][j]->empty()){rooms[i][j]->show();}}}system("pause");
}
void Hotel::query(void)
{for(int i=0;i<level_cnt;i++){for(int j=0;j<level_room[i];j++){if(!rooms[i][j]->empty()){rooms[i][j]->show();}}}system("pause");
}
void Hotel::out(void)
{int room_id;cout << "请输入要退房的房间号：";cin >> room_id;Room *room = find(room_id);if (room == NULL){cout << "未找到该房间：" << room_id << ",请检查房间号" << endl;return;}room->out();
}
void Hotel::upgrade(void)
{}
Room *Hotel::find(int room_id)
{for (int i = 0; i < level_cnt; i++){for (int j = 0; j < level_room[i]; j++){if (rooms[i][j]->cmp_room_id(room_id)){return rooms[i][j];}}}return NULL;
}
5.tools.h
#pragma once#include "hotel.h"char get_cmd(char a, char b);void anykey_continue(void);6.tool.cpp
#include "hotel.h"char get_cmd(char a, char b) // 输入命令
{char cmd;while (true){cout << "请输入命令(1-" << b << "):";cin >> cmd;if (cmd >= a && cmd <= b){return cmd;}cout << "输入错误，请重新输入！" << endl;}
}// //按任意键继续(Linux)
// void anykey_continue(void)
// {
// stdin->IO_read_ptr = stdin->IO_read_end;
// cout << "按任意键继续..." << endl;
// getch();
// cout << endl;
// }7.main.cpp
#include "hotel.h"int main(int argc,const char* argv[])
{if(2!=argc){cout<<"User: ./hotel [hotel_name]"<<endl;return 0;}Hotel &hotel=Hotel::getHotel();hotel.load(argv[1]);hotel.start();return 0;
}8.hotel.txt
5
5
1001 2 200
1002 3 200
1003 2 200
1004 2 200
1005 2 200
6
2001 2 300
2002 3 300
2003 2 300
2004 2 300
2005 2 300
2006 2 300
7
3001 3 400
3002 3 400
3003 3 400
3004 3 400
3005 3 400
3006 3 400
3007 3 400
8
4001 4 500
4002 4 500
4003 4 500
4004 4 500
4005 4 500
4006 4 500
4007 4 500
4008 4 500