飞机订票系统

zelhzm · 发表于 2007-12-25 09:36:19

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<conio.h>
#define OK 1
#define ERROR 0
typedef struct airline{
      char air_num[8];
      char plane_num[8];
      char end_place[20];
      int  total;
      int  left;
      struct airline *next;
}airline;
typedef struct customer{
      char name[8];
      char air_num[8];
      int  seat_num;
      struct customer *next;
}customer;
airline *start_air()
{
      airline *a;
      a=(airline*)malloc(sizeof(airline));
      if(a==NULL)
      a->next=NULL;
      return a;
}
customer *start_cus()
{
      customer *c;
      c=(customer*)malloc(sizeof(customer));
      if(c==NULL)
      c->next=NULL;
      return c;
}
airline *modefy_airline(airline *l,char *air_num)
{
      airline *p;
      p=l->next;
      for(;p!=NULL;p=p->next)
      {
            if(strcmp(air_num,p->air_num)==0)
            {
                     p->left++;
                     return l;
            }
            printf("NO the airline!");
            return 0;
      }
}
int insert_air(airline **p,char *air_num,char *plane_num,char *end_place,int total,int left)
{
      airline *q;
      q=(airline*)malloc(sizeof(airline));
      strcpy(q->air_num,air_num);
      strcpy(q->plane_num,plane_num);
      strcpy(q->end_place,end_place);
      q->total=total;
      q->left=left;
      q->next=NULL;
      (*p)->next=q;
      (*p)=(*p)->next;
      return OK;
      }
int  insert_cus(customer **p,char *name,char *air_num,int seat_num)
{
      customer *q;
      q=(customer*)malloc(sizeof(customer));
      strcpy(q->name,name);
      strcpy(q->air_num,air_num);
      q->seat_num=seat_num;
      q->next=NULL;
      (*p)->next=q;
      (*p)=(*p)->next;
      return OK;
}
int book(airline *a,char *air_num,customer *c,char *name)
{
      airline *p=a;
      customer *q=c->next;
      p=a->next;
      for(;q->next!=NULL;q=q->next){}
      for(;p->next!=NULL;p=p->next)
      {
            if(p->left>0)
            {
                     printf("Your seat number is %d",(p->total-p->left+1));
                     insert_cus(&q,name,air_num,p->total-p->left+1);
                     p->left--;
                     return OK;
            }
            else
            {
                     printf("seat is full");
                     return 0;
            }
      }
return OK;
}
int del_cus(customer *c,airline *l,char *name)
{
      customer *p,*pr;
      char air_num[8];
      pr=c;
      p=pr->next;
      while(p!=NULL)
      {
            if(strcmp(p->name,name)==0)
            {
                     strcpy(air_num,p->air_num);
                     l=modefy_airline(l,air_num);
                     pr->next=p->next;
                     p=pr->next;
                     printf("finish!");
                     return OK;
            }
            pr=pr->next;
            p=pr->next;
      }
      printf("NO the customer!");
      return ERROR;
}
int search_air(airline *head)
{
      airline *p=head->next;
      printf("air_num  plane_num  end_place  total  left\n");
      for(;p!=NULL;p=p->next)
      {
            printf("%s %-10s %-8s %-8d%-8d\n",p->air_num,p->plane_num,p->end_place,p->total,p->left);
      }
      return OK;
}
int search_cus(customer *head)
{
      struct customer *q=head->next;
      printf("name air_num seat_num\n");
      for(;q!=NULL;q=q->next)
      {
            printf("%-8s%-12s%-d\n",q->name,q->air_num,q->seat_num);
      }
      return OK;
}
int creat_air(airline **l)
{
      airline *p=*l;
      int i=0;
      char *air_num[3]={"007af","008af","009af"};
      char *plane_num[3]={"plane1","plane2","plane3"};
      char *end_place[3]={"Beijing","Shanghai","Tianjin"};
      int total[3]={100,100,100};
      int left[3]={52,54,76};
      for(i=0;i<3;i++)
      insert_air(&p,air_num,plane_num,end_place,total,left);
  l8 S' b0 |! i0 s+ E7 }       return OK;
! Z+ y, c2 X3 o, G}
5 j8 b- K8 B0 ]  J! {0 o7 nint creat_cus(customer **l)
- O, M2 y7 O  b0 F8 G& v{
, y1 v$ E6 w  r8 \       customer *p=*l;
3 R! h. D/ f3 ~4 {$ x# m% k       int i=0;
! m8 c6 G1 |( B- J$ D- \. w       char *name[3]={"zhsan","lisi","wangwu"};6 U! k  \4 `  W/ r8 C$ A
      char *air_num[3]={"007af","008af","009af"};
% c8 k% I. W' A" z/ \3 }       int seat_num[3]={2,5,7};
: |" Q1 b- ]* f' b' |       for(i=0;i<3;i++)
; k7 a% L% ~6 r4 }" ~! |* y3 W       insert_cus(&p,name,air_num,seat_num);
+ V% }3 N# Y! q, c! F$ c       return OK;& W- ~$ U$ z3 Z/ M: ]
}. x2 E7 U  I$ l( a# Q) E
void main()
  W: c$ [) e  Q1 n: L% h{, ^2 w% [7 M! O4 @$ n1 D
      int t=1;) e$ r; t' R8 E8 _0 F: A9 |, h% @$ S4 }+ k
      customer *cus=start_cus();
8 T9 G2 }! B% p$ J$ z2 q       airline  *air=start_air();$ {2 W  c9 q: r7 _" s: F& y6 r
      char name[8],air_num[8],ch;' Q' ?' ]. f" N) ^) N- I6 @
      creat_air(&air);
1 x9 c, @- V" G$ P8 \  G       creat_cus(&cus);
6 X: {  M0 C& m- U1 C7 ?       while(t==1)
5 z- e7 O: Y, ?       {
: Q7 x7 s$ T; v2 P2 p% M( a             printf("\n");
* K/ A/ I4 n$ l# I/ O" ~             printf("*********************************\n");
- b: j) H8 [7 C4 d! W" n             printf("*    Welcome to air firm!    *\n");6 U% P7 R; x5 N  j( M. A; @/ o. F6 D
            printf("*       book--------1       *\n");
" f" }# K# T2 }8 M8 u             printf("*       cancel------2       *\n");& V% x8 K) d9 }
            printf("*       search------3       *\n");
" {1 ~4 K8 ?. R0 ~$ U" z! t1 H             printf("*       exit--------4       *\n");: x& h5 S+ _9 m9 Y6 ?! b
            printf("*********************************\n");
  ?' z& J& H) v2 P7 r  Z$ G* V             ch=getch();
9 d) Q0 G7 V; Z6 b: F1 L6 u0 g             if(ch=='1')
! V# @, n) ^9 {- T$ i5 j             {+ E, t6 C) n5 G. i
                     printf("Please input a airline number:");
2 B& _6 N/ l; K7 D* ^4 V4 W0 O7 f                      scanf("%s",air_num);
6 Z. h) Q, j9 o( {- M2 H3 r                      printf("Please input a name:");
6 h* N  L& L8 B                      scanf("%s",name);
! }- r2 g; z( z9 P3 _& _$ [# N: ]5 c                      book(air,air_num,cus,name);5 A. W9 q, e0 a5 w
            }" N/ D- L& `9 A+ z1 n+ K8 }% e3 s
            else
0 Q2 o. V& P5 Z0 g6 ^- \, k                   if(ch=='2')0 i; I% b' Q$ n
                  {
( M8 k& _0 L, K                      printf("Please input the cancel name:");
& P' Z( R8 a; l% }) ?0 R2 E                      scanf("%s",name);- c, P  P. A* @
                     del_cus(cus,air,name);* }& L( O# l! Z' J
                  }
& ^% _( ?+ c% ]- r: ]0 Z( A4 V                   else
& [! j* ]  g) K# J) l                      if(ch=='3')
4 h4 M: j# e, v8 V5 d                      {; X; [3 N  u' D. U+ E* F* M
                              search_air(air);! e7 v  k$ A2 a) u+ L
                              printf("\n");
* w/ D% H8 R( f# p6 P2 u% ^       search_cus(cus);
# M$ S& \4 Q" `! F: G0 x/ [6 ~                      }7 S! T* P2 Z% r, H; ^# O
                     else# P5 }) H9 l; C+ k& }: U' W# Z' i  {
                           if(ch=='4')
! S+ p: X; V6 E6 a& E                            {/ E6 o  g$ G. w( j( i
                              t=0;
. Z2 i8 K2 {( V4 Q9 {' |( }                            }
/ R7 D/ j8 K8 E1 J8 z' o6 K       }9 w( a3 o/ V* {3 m  Q
}  I9 H1 u& f9 [2 @
/*任务：通过此系统可以实现如下功能：4 [1 Q7 l2 _' P* a
录入：可以录入航班情况（数据可以存储在一个数据文件中，数据结构、具体数据自定）
  [4 R% N/ s9 N. c. C3 |* J7 L查询：可以查询某个航线的情况（如，输入航班号，查询起降时间，起飞抵达城市，航班票价，票价折扣，确定航班是否满仓）；2 `% A7 F7 Z2 G  |0 g
可以输入起飞抵达城市，查询飞机航班情况；+ H- R1 v/ Q  |9 {
订票：（订票情况可以存在一个数据文件中，结构自己设定）
$ n  p( L# U9 ^# k4 k8 ^6 L  }, [可以订票，如果该航班已经无票，可以提供相关可选择航班；
退票：可退票，退票后修改相关数据文件；* s$ C" a! ?. ^, H8 B: l  i* V1 K
客户资料有姓名，证件号，订票数量及航班情况，订单要有编号。( M9 ^7 ~' q5 ~- d/ C+ Z5 t: H
修改航班信息：当航班信息改变可以修改航班数据文件
  `" w- B, ~0 C8 p4 H+ w要求：
. X3 r/ B/ ?! G$ R1 r; k根据以上功能说明，设计航班信息，订票信息的存储结构，设计程序完成功能；*/

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