C++实现酒店管理系统

// ConsoleApplication1.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
//
 
#include <iostream>
#include <string.h>
#include <stdlib.h>
void enter();
void check_in();
void inquire();
void check_out();
void initial_room();
using namespace std;
int i = 0;
struct Room
{
 int number;
 int floor;
 int state;
};
class Customer
{
 char name[10], ID[19];
 int  room_number;
 int  change;
public:
 Customer()
 {
  cout << "请您输入顾客的姓名n";
  cin >> name;
 
  cout << "请您输入顾客的身份证号码n";
  cin >> ID;
  change = 0;
 }
 void set_name(char* _name) { strcpy_s(name, _name); }
 void set_ID(char* _ID) { strcpy_s(ID, _ID); }
 void set_room_number(int n) { room_number = n; }
 char* get_name() { return name; }
 char* get_ID() { return ID; }
 int  get_room_number() { return room_number; }
 ~Customer()
 {
  cout << "该顾客退房成功!" << endl;
 }
};
Room room[80];
Customer* customer[80];
int main()
{
 char choice = '1';
 initial_room();
 while (choice == '1')
 {
  enter();
  cout << endl;
  cout << "继续使用本系统请按"1",退出请按"2"!  ";
  cin >> choice;
  cout << endl;
 }
}
//系统入口
void enter()
{
 int kind_of_service;
 while (1)
 {
  cout << "请选择服务类别:订房、入住、退房还是查询? n";
  cout << " 1->查询  2->入住  3->退房  4->退出:  ";
  cin >> kind_of_service;
  if ((kind_of_service <= 4) && (kind_of_service >= 1))
  {
 
   switch (kind_of_service)
   {
   case 1: inquire();
    break;
   case 2: check_in();
    break;
   case 3: check_out();
    break;
   case 4: exit(0);
    break;
   }
  }
  else
  {
   cout << "您的输入有误，请重试!n";
   continue;
  }
 }
}
//入住登记
void check_in()
{
 //char name1[10], id1[19];
 customer[i] = new Customer;
 int room_floor;
 cout << "请您选择预定房间的楼层:n";
 cout << "1.一楼n2.二楼n3.三楼n4.四楼n";
 cin >> room_floor;
 
 switch (room_floor)
 {
  int n;
 case 1:
  for (n = 0; n < 20; n++)
  {
   if (room[n].state == 0)
   {
    cout << "入住房间号码为: " << room[n].number << endl;
    room[n].state = 1;
    customer[i]->set_room_number(room[n].number);
    break;
   }
  }
  break;
 case 2:
  for (n = 20; n < 40; n++)
  {
   if (room[n].state == 0)
   {
    cout << "入住房间号码为: " << room[n].number << endl;
    room[n].state = 1;
    customer[i]->set_room_number(room[n].number);
    break;
   }
  }
  break;
 case 3:
  for (n = 40; n < 60; n++)
  {
   if (room[n].state == 0)
   {
    cout << "入住房间号码为: " << room[n].number << endl;
    room[n].state = 1;
    customer[i]->set_room_number(room[n].number);
    break;
   }
  }
  break;
 case 4:
  for (n = 60; n < 80; n++)
  {
   if (room[n].state == 0)
   {
    cout << "入住房间号码为: " << room[n].number << endl;
    room[n].state = 1;
    customer[i]->set_room_number(room[n].number);
    break;
   }
  }
  break;
 }
 i++;
}
//退房结算
void check_out()
{
 char name2[10], id2[19];
 int room_number;
 cout << "请输入要退房的顾客姓名和身份证号码:n";
 cin >> name2 >> id2;
 for (int j = 0; j < i; j++)
 {
  if ((strcmp(customer[j]->get_name(), name2) == 0) && (strcmp(customer[j]->get_ID(), id2) == 0))
  {
   room_number = customer[j]->get_room_number();
  }
  cout << endl;
  cout << "是否确定退房,请按1: ";
  char account;
  cin >> account;
  if (account == '1')
  {
   for (int k = 0; k < 80; k++)
   {
    if (room[k].number == customer[j]->get_room_number())
     room[k].state = 0;
   }
   i--;
   for (; j < i; j++)
   {
    customer[j] = customer[j + 1];
   }
   delete customer[i];
  }
 }
}
//信息查询
void inquire()
{
 int j, k = 0;
 cout << endl;
 cout << "下列房间还没人预订，也没人入住：" << endl;
 for (j = 0; j < 80; j++)
 {
  if (room[j].state == 0)
  {
   if (k % 10 == 0) cout << endl;
   cout << room[j].number << 't';
   k++;
  }
 }
 k = 0;
 cout << endl;
 cout << "下列房间有人入住：" << endl;
 for (j = 0; j < 80; j++)
 {
  if (room[j].state == 1)
  {
   if (k % 10 == 0) cout << endl;
   cout << room[j].number << 't';
   k++;
  }
 }
 cout << endl;
}
//房间信息初始化
void initial_room()
{
 int j, k = 101;
 for (j = 0; j < 20; j++)
 {
  room[j].number = k++;
  room[j].floor = 1;
  room[j].state = 0;
 }
 k = 201;
 for (j = 20; j < 40; j++)
 {
  room[j].number = k++;
  room[j].floor = 2;
  room[j].state = 0;
 }
 k = 301;
 for (j = 40; j < 60; j++)
 {
  room[j].number = k++;
  room[j].floor = 3;
  room[j].state = 0;
 }
 k = 401;
 for (j = 60; j < 80; j++)
 {
  room[j].number = k++;
  room[j].floor = 4;
  room[j].state = 0;
 }
}
 
// 运行程序: Ctrl + F5 或调试 >“开始执行(不调试)”菜单
// 调试程序: F5 或调试 >“开始调试”菜单
 
// 入门使用技巧: 
//   1. 使用解决方案资源管理器窗口添加/管理文件
//   2. 使用团队资源管理器窗口连接到源代码管理
//   3. 使用输出窗口查看生成输出和其他消息
//   4. 使用错误列表窗口查看错误
//   5. 转到“项目”>“添加新项”以创建新的代码文件，或转到“项目”>“添加现有项”以将现有代码文件添加到项目
//   6. 将来，若要再次打开此项目，请转到“文件”>“打开”>“项目”并选择 .sln 文件