机票系统

#include <iostream>
//#include"ticket.h"
#include "string"
using namespace std;
#define   Null  0

//乘客结构体
typedef struct Customer
{
char Name[10];
int Amount; //订票数
int Level;  //舱位等级
int SeatNum; //座位号
char FlightNum[10];  //所定航班号
struct Customer *next;
}Customer;

//替补乘客结构体

typedef struct Replace
{
char Name[10];
int Amount;
int Level;
char FlightNum[10];  //所定航班号
struct Replace *next;
}Replace;

//Customer *Cusrear;
//Replace *Reprear;

typedef struct Flight //航线信息
{char Des[10]; //终点站名
char PlaneNum[10]; //航班号
char Week;//飞行周
int Ration;//乘员定额
int FreeTicket; //剩余票数
float Price[3];//舱位等级的价格
int ReplacePas;//候补乘客数
Customer *CustName;//已订票乘客名单
Replace *ReplName;//候补乘客名单
struct Flight *next;//指示下一航线节点
} Flight,*PFlight;

//Flight *head;//定义航线头节点
//Flight *rear;//建立航线尾节点

void FlightInsert(Flight *head)//航班添加
{
Flight *p;
p=new Flight;
cout<<"请输入终点站名："<<endl;
cin>>p->Des;
//cout<<"请输入航班号："<<endl;
//cin>>p->FlightNum;
cout<<"请输入飞机号："<<endl;
cin>>p->PlaneNum;
cout<<"请输入飞行周："<<endl;
cin>>p->Week;
cout<<"请输入乘员定额："<<endl;
cin>>p->Ration;
p->FreeTicket=p->Ration;
cout<<"请输入舱位等级的价格："<<endl;
cout<<"请输入头等舱价格："<<endl;
cin>>p->Price[0];
cout<<"请输入普通舱价格："<<endl;
cin>>p->Price[1];
cout<<"请输入经济舱价格："<<endl;
cin>>p->Price[2];
p->ReplName=new Replace;
p->CustName=new Customer;
p->CustName->next=Null;
p->ReplName->next=Null;
p->ReplacePas=0;
p->next=head->next;
head->next=p;
//rear->next=p;// 利用尾指针便于航班的添加
//rear=p;
//rear->next=Null;
}

void FlightSearch(Flight *head)//查询航班
{
Flight *p,*q;
char FlightNum[10];

int i=0;
while (i!=1)
{cout<<"请输入需要查询的航班号："<<endl;
  cin>>FlightNum;
  p=head;
  while(p->next&&strcmp(p->next->PlaneNum,FlightNum))
  {
   p=p->next;
  }
  q=p->next;
  if(q==Null)
  {cout<<"对不起不存在该航班"<<endl;}
  else
  {cout<<"航班号："<<q->PlaneNum<<endl;
   cout<<"目的地："<<q->Des<<endl;
   cout<<"飞行周："<<q->Week<<endl;
   cout<<"乘员定额："<<q->Ration<<endl;
   cout<<"剩余票数："<<q->FreeTicket<<endl;
   cout<<"候补乘客数："<<q->ReplacePas<<endl;
   cout<<"头等舱价格："<<q->Price[0]<<endl;
   cout<<"普通舱价格："<<q->Price[1]<<endl;
   cout<<"经济舱价格："<<q->Price[0]<<endl;}
    cout<<"1、返回主菜单  2、继续"<<endl;
    cin>>i;
 

}
}

void FlightRework(Flight *head)//修改航班信息
 {
 int Customer_Number;
 Flight *p,*q;
 char FlightNum[10];
 char i='0';
 p=head;
 cout<<"请输入需要修改的航班号："<<endl;
 cin>>FlightNum;
 while(p->next&&strcmp(p->next->PlaneNum,FlightNum))
 {p=p->next;}
 q=p->next;
 if (q==Null)
 { cout<<"对不起不存在此航班"<<endl;
 }
 else
 {
  while(i!='8')
  {cout<<"********请输入要修改的信息********"<<endl;
   cout<<"1、航班号    "<<endl;
   cout<<"2、目的地      3、飞行周"<<endl;
         cout<<"4、乘员定额      5、头等舱价格"<<endl;
          cout<<"6、普通舱价格     7、经济舱价格"<<endl;
     cout<<"8、退出"<<endl;
           cout<<"********请输入要修改的信息********"<<endl;
        cin>>i;
  switch(i)
  {case '1':cout<<"请输入航班号："<<endl;
            cin>>q->PlaneNum;break;
          case '2':cout<<"请输入目的地："<<endl;
            cin>>q->Des;break;
         case '3':cout<<"请输入航班号飞行周："<<endl;
            cin>>q->Week;break;
         case '4':cout<<"请输入乘员定额："<<endl;
       Customer_Number=q->Ration-q->FreeTicket;    
    cin>>q->Ration;
    q->FreeTicket=q->Ration-Customer_Number;break;
    case '5':cout<<"请输入头等舱价格："<<endl;
            cin>>q->Price[0];break;
           case '6':cout<<"请输入普通舱价格："<<endl;
            cin>>q->Price[1];break;
       case '7':cout<<"请输入经济舱价格："<<endl;
            cin>>q->Price[2];break;
    case '8':break;
    default:cout<<"error\n";break;
  }
 }
 }

 }

void FlightDelete(Flight *head) //利用表头指针定位要删除的航班信息
{
Flight *p,*q;
char FlightNum[10];

int i=0;
while(i!=1)
{cout<<"请输入需要删除的航班号："<<endl;
 cin>>FlightNum;
 p=head;
   while(p->next&&strcmp(p->next->PlaneNum,FlightNum))
   {p=p->next;}
   q=p->next;
    if(q!=Null)
 {
 // if(q->next==Null)
 // {rear=p;}

 p->next=p->next->next;
 delete q;}
    else
 {cout<<"你所要删除的航班不存在"<<endl;}
 cout<<"1、退出  2、继续"<<endl;
 cin>>i;
}
 
}

 

void FlightBuyTicket(Flight *head)//订票
{
int Ticket_Amount;
void BuyTicket(Flight *,int);
void Buyreplace(Flight *,int,int);
Flight *p,*q;
char Des[10];
int i=2;
while(i!=1)
{cout<<"请输入目的地："<<endl;
  cin>>Des;
     p=head;
  while(p->next&&strcmp(p->next->Des,Des))
  {p=p->next; }
  q=p->next;
  if (q==Null)
  {cout<<"对不起不存在此航班"<<endl;}
  else
  {while(i!=1)
  {cout<<"输入需要购买的票数"<<endl;
  cin>>Ticket_Amount;
  while(Ticket_Amount==0)

  {  cout<<"请输入一个非零数"<<endl;
     cin>>Ticket_Amount;
  }

  if(Ticket_Amount<=q->FreeTicket)
  {BuyTicket(q,Ticket_Amount);}//买票
  else
  {int n;
  cout<<"剩余票数小于订票数，是否需要列入候补名单？（1、是  2、否）"<<endl;
  cin>>n;
  Buyreplace(q,Ticket_Amount,n);//进入替补名单
  }
  cout<<"1、返回菜单   2、继续"<<endl;
  cin>>i;
  }
  }
}
}

void BuyTicket(Flight *q, int Ticket_Amount)//买票
{int n=Ticket_Amount;
Customer *Cus2,*Cusrear;
Cus2=new Customer;
Cus2->SeatNum=q->Ration-q->FreeTicket+1;
strcpy(Cus2->FlightNum,q->PlaneNum);
Cus2->Amount=Ticket_Amount;
cout<<"请输入姓名:"<<endl;
cin>>Cus2->Name;
cout<<"请输入舱位等级(1-3)"<<endl;
cin>>Cus2->Level;
cout<<"你的座位号为："<<endl;
for(int i=1;i<=Ticket_Amount;i++)
{
cout<<Cus2->SeatNum++<<" ";
}
cout<<endl;
if(q->CustName->next==Null)
{
Cusrear=q->CustName;
Cusrear->next=Cus2;
Cusrear=Cus2;
Cusrear->next=Null;
}
else{
 Cusrear->next=Cus2;
 Cusrear=Cus2;
 Cusrear->next=Null;
}
q->FreeTicket-=Ticket_Amount;
}

void Buyreplace(Flight *q,int Ticket_Amount,int n)//进入替补队列
{Replace *Rep2,*Reprear;
 Rep2=new Replace;
 if(n==1)
 {
  q->ReplacePas+=Ticket_Amount;
  strcpy(Rep2->FlightNum,q->PlaneNum);
  Rep2->Amount=Ticket_Amount;
  cout<<"请输入姓名："<<endl;
  cin>>Rep2->Name;
  cout<<"请输入舱位等级（1-3）"<<endl;
  cin>>Rep2->Level;
  if(q->ReplName->next==Null)
  {Reprear=q->ReplName;
  Reprear->next=Rep2;
  Reprear=Rep2;
     Reprear->next=Null;
  }
  else{
     Reprear->next=Rep2;
      Reprear=Rep2;
   Reprear->next=Null;
  }
 }
}

void FlightCancelTicket(Flight *head)//退票
{
   //void BuyTicket(Flight,int);
   Flight *q,*p;
   Customer *h,*j,*Cusrear;
   Customer *Cus2;
   Replace *rep;
  char FlightNum[10];
  char Customer_Name[10];
  int Replace_Amount;//候补第一个人的订票数
  int i=0;
  while(i!=1)
  { cout<<"请输入要退订的航班号："<<endl;
    cin>>FlightNum;
    p=head;
      while(p->next&&strcmp(p->next->PlaneNum,FlightNum))
   {
     p=p->next;
   }
      q=p->next;
         if(q==NULL)
   {cout<<"对不起不存在次航班"<<endl;}
        else
  {
          while(i!=2)
    {cout<<"请输入姓名："<<endl;
           cin>>Customer_Name;
           h=q->CustName;
             while(h->next&&strcmp(h->next->Name,Customer_Name))
    {h=h->next;}
              j=h->next;
              if(j==NULL)
     {
                  cout<<"查无此人"<<endl;
     }
               else
     {
                     if(j->next==NULL)//当删除最后一个节点
       Cusrear=h;
     
    
               h->next=h->next->next;
               q->FreeTicket+=j->Amount;
               delete j;
      cout<<"删除成功！"<<endl;
      }
   
                if(q->ReplName->next!=NULL)
    {
                   Replace_Amount=q->ReplName->next->Amount;
                   if(Replace_Amount<=q->FreeTicket)
      {
                         rep=q->ReplName->next;
      
                         Cus2=new Customer;
                      Cus2->SeatNum=q->Ration-q->FreeTicket+1;
                      strcpy(Cus2->FlightNum,q->PlaneNum);
                     strcpy(Cus2->Name,rep->Name);
                     Cus2->Amount=rep->Amount;
                    Cus2->Level=rep->Level;
                    cout<<"乘客"<<rep->Name<<"已经成功买票"<<endl;
                    cout<<"座位号：";
                   for(int i=1;i<=(rep->Amount);i++)
       {
                   cout<<Cus2->SeatNum++<<" ";
       }
             cout<<endl;
       }
                     if(q->CustName->next==Null)  //把等候队列中的乘客加入到已经订票的乘客队列中
      {
                     Cusrear=q->CustName;
                     Cusrear->next=Cus2;
                      Cusrear=Cus2;
                     Cusrear->next=Null;
      }
                    else
     {
                   Cusrear->next=Cus2;
                   Cusrear=Cus2;
                  Cusrear->next=Null;
     }
    
               q->FreeTicket-=rep->Amount;
               q->ReplName->next=q->ReplName->next->next;
               q->ReplacePas--;
              delete rep;
    }
 
cout<<"2 退出姓名录入"<<endl;
cin>>i;
}
  }
cout<<"1 返回主菜单"<<endl;
cin>>i;

}
  }

void main()
{   Flight *head,*rear;
    head=rear=new Flight;
    head->next=Null;
     rear->next=Null;

char i='0';
while(i!='7')
{
 cout<<"********航空订票系统*********"<<endl;
 cout<<"1、增加航线       5、预订机票"<<endl;
 cout<<"2、查询航线       6、退订机票"<<endl;
 cout<<"3、修改航线       7、退出系统"<<endl;
 cout<<"4、删除航线  "<<endl;
 cout<<"*****************************"<<endl;

    cin>>i;
   switch(i)
   {case '1': FlightInsert(head );break;
   case '2': FlightSearch(head);break;
    case '3': FlightRework(head);break;
   case '4': FlightDelete(head);break;
   case '5': FlightBuyTicket(head);break;
 case '6': FlightCancelTicket(head);break;
  case '7':break;
  default:cout<<"error\n";break;

   }
}

}