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);
/ z. c& i  r9 n5 V  k" H1 [       return OK;# R( N0 c3 ^, r: J5 }) D
}
9 X/ N2 s! \$ I$ sint creat_cus(customer **l)9 U6 F2 ]4 N$ S3 P
{
( v0 ?9 I( m# r& F       customer *p=*l;4 ]6 p$ U6 U3 {9 Y
      int i=0;
: ?  l$ s: m; d9 V3 b& [( M       char *name[3]={"zhsan","lisi","wangwu"};, p% C) a+ d* @1 J% `. [
      char *air_num[3]={"007af","008af","009af"};
1 T" y# N& j. v9 h8 ?       int seat_num[3]={2,5,7};: `. j4 R! i* x2 r  i
      for(i=0;i<3;i++)
1 l) \9 l) q8 J5 H# }2 C; Y7 j) x       insert_cus(&p,name,air_num,seat_num);
) c% c/ [9 D/ u! ]       return OK;/ [  U+ ?  @; ?2 M5 K9 w
}
2 a. `8 o, x. A$ ~) Lvoid main()$ f3 z7 `/ {% O" N& E9 f! K
{  O1 ~) J0 I/ F0 Q) G( f
      int t=1;! Q/ M$ S' r# u3 e3 p
      customer *cus=start_cus();* i& u( S' a% ]" S. E# v7 B) S% a
      airline  *air=start_air();' h# Z) K+ @3 f) x
      char name[8],air_num[8],ch;
3 F- E4 f- r2 |  Z. Y: k       creat_air(&air);- V. V( o- n1 H0 E1 _$ F% b
      creat_cus(&cus);
. m2 p5 J' [/ K4 N       while(t==1)
$ `8 @8 Y# R6 S9 k0 N+ O       {. o' s6 _. l4 [
            printf("\n");0 h$ `" ^* @4 @, h/ g
            printf("*********************************\n");7 Q2 Z8 T* t$ ~% W; Q
            printf("*    Welcome to air firm!    *\n");4 r2 c/ ]# l/ X9 W& u7 o
            printf("*       book--------1       *\n");
2 @: u& h# E. O4 m             printf("*       cancel------2       *\n");6 t0 V5 k! j6 O6 W: S+ J* G
            printf("*       search------3       *\n");: N% v0 k4 ^- G. _4 D
            printf("*       exit--------4       *\n");. f& ~, f2 ^9 g$ D' @9 R
            printf("*********************************\n");" W4 c( E4 C! D/ g- Y
            ch=getch();
# {( s6 m/ @! U& j             if(ch=='1')
; @0 A- ~4 j& p5 ^$ h             {
                     printf("Please input a airline number:");
1 R+ L: b3 M# S                      scanf("%s",air_num);* d3 o- K- y6 N" @" D% j: ~
                     printf("Please input a name:");2 V+ F4 |% G3 z, q$ l/ V1 m
                     scanf("%s",name);! G  m7 p" t, o
                     book(air,air_num,cus,name);  _5 Q" ~0 W5 X* x5 V" S+ g
            }. `% U4 V7 J) v+ i0 Z6 W; s. {: [
            else
7 m* B4 s' r$ n: p                   if(ch=='2')0 s! Y5 W+ i% q0 E9 f# p
                  {
* `9 }$ J' s) l* Y                      printf("Please input the cancel name:");9 \" I6 ~8 i! Y7 A' Y2 Y4 y3 k- m
                     scanf("%s",name);
2 M6 H( C- D% b2 a5 r. h- {                      del_cus(cus,air,name);3 i7 b$ k$ g! Q# a
                  }
9 C3 a8 W+ t6 q3 {; W1 V                   else
* b# R; \2 }! i9 A; P& F% e1 p0 [                      if(ch=='3')- ]- S: e0 j+ R' m+ o
                     {
- u7 V* N* W5 u$ F/ i, \+ `                               search_air(air);
" Q3 @7 L0 i4 T) S: t  E                               printf("\n");
! V3 M! f/ M, I3 C       search_cus(cus);* K) K9 L- [) V. i% v* a# Q3 i
                     }2 {0 ^* x5 z$ b" E/ f. U6 i
                     else
! k4 {6 w, \1 L+ i% o+ i                            if(ch=='4')" `3 q5 w. a& \) ^7 |& [$ l
                           {3 D9 W% e8 L- n! @# W0 v! a
                              t=0;
' C6 y8 ?* u# `" U0 a" _9 W/ A3 U                            }+ x6 ~- @  ~# n6 w: |
      }( O* K6 d, k; t( q- T
}3 m8 @! V4 L& y+ A2 Y$ }3 R
/*任务：通过此系统可以实现如下功能：
+ v6 f* T- J' M" l! @0 d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）6 N  c; f2 l# ]/ D& V6 _( ?
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）；! F* [1 ^) p6 z- Y
可以输入起飞抵达城市，查询飞机航班情况；4 }7 h: C! I- m! K# h
订票：（订票情况可以存在一个数据文件中，结构自己设定）+ R2 Q0 B, Z1 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；
6 _, B/ r9 ^6 m2 y1 Y0 _7 [) x退票：可退票，退票后修改相关数据文件；
* ~  Q. o" W& Q+ j' g" U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。" V. Q' _# p. ~2 l3 {
修改航班信息：当航班信息改变可以修改航班数据文件# V4 c# ~: z# [5 U! ^1 h
要求：# }" q8 l3 Q9 O3 H( G' g
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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