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);
& X6 Z3 X7 b" N8 _( i) d7 A       return OK;
7 ]2 i1 P- O6 K7 f) W  @3 s. ]}  l& u; E# t! @# d
int creat_cus(customer **l)/ b3 }) \7 ]$ A5 Y0 g7 ]0 R' `
{9 |6 [3 l9 P8 _9 c7 W. x5 x0 c! P
      customer *p=*l;
2 I0 z7 d4 f& n" F9 |3 n* V6 R       int i=0;
! `$ {  J( Y5 C# c8 O6 _       char *name[3]={"zhsan","lisi","wangwu"};
! a  _' x2 s7 P$ ~       char *air_num[3]={"007af","008af","009af"};
! O4 F3 U, I0 @- `, S) M& Q       int seat_num[3]={2,5,7};
+ c) _! D7 F8 P6 L       for(i=0;i<3;i++)4 K0 S: a  x/ K6 p
      insert_cus(&p,name,air_num,seat_num);1 \4 O/ F; |+ d. j% Z9 a8 S
      return OK;; A! r- Q' z# l* e. e
}
' J3 O4 ?: F. A( ~9 v% N5 V/ b6 u: p; Bvoid main()& X6 V" t) }. {$ i4 ^; \& k
{- Z6 m2 D/ @0 V( s% x7 o& }
      int t=1;" O1 V+ E! Y* |& e" x4 M4 C! \* {; o
      customer *cus=start_cus();6 \0 G/ Z* b- C, L4 E
      airline  *air=start_air();0 T& \" i6 j6 }
      char name[8],air_num[8],ch;
! k' M! }# z9 [       creat_air(&air);
6 d4 b3 t0 s  y) k0 o! Y       creat_cus(&cus);8 Q4 @8 k6 {+ c
      while(t==1)
7 O7 ~8 d/ H4 L5 c4 u3 O1 A       {0 A; t- s3 p* {# Q7 C. C5 i
            printf("\n");
; n' x6 {: y* P             printf("*********************************\n");
( u7 C" l' ?8 f& Q) b8 ^             printf("*    Welcome to air firm!    *\n");
1 y0 U5 w, o) ?             printf("*       book--------1       *\n");
/ X- H7 r+ d( T2 ~4 \) i' q             printf("*       cancel------2       *\n");
; f. d& ~  p4 R2 m             printf("*       search------3       *\n");8 C4 {4 L. ~0 F, }2 R
            printf("*       exit--------4       *\n");; a7 F2 A& x( m7 j: a6 U/ T
            printf("*********************************\n");, R# ]2 x5 R; U% n9 r8 b
            ch=getch();
+ }  Z) \# c3 e: \0 H             if(ch=='1')
& B  }1 e- ]0 x! |             {' t7 |5 [( g) g5 Q2 w
                     printf("Please input a airline number:");  U# ~0 S# P4 Q2 x+ h# k
                     scanf("%s",air_num);+ H. W, `8 Y- i( [' J$ [5 n
                     printf("Please input a name:");- D. y* r- T! Y$ q
                     scanf("%s",name);& C& C$ S" X3 v. c5 z( c9 }
                     book(air,air_num,cus,name);$ A  J+ O3 t+ M& F. T, a; F, H
            }. g% ~% b- Y2 @6 _
            else
/ q3 S7 Y, a$ n3 r, h9 F. S                   if(ch=='2')
( k, u  C9 e5 [3 |0 S$ X% e                   {6 ]9 p- Z0 ]$ K6 Y% I% @2 \6 t: `
                     printf("Please input the cancel name:");& r* c% r& q7 B- P- ?* W7 \
                     scanf("%s",name);, |/ b4 a8 g4 J9 d4 t) @2 S
                     del_cus(cus,air,name);/ q! r" w. O& m0 G  v1 Q
                  }
3 J# ?% I# U7 O" x                   else
2 Y4 F) b# f4 F4 M                      if(ch=='3')( v3 S" D0 f2 M8 P0 g
                     {, B7 ~+ z, b) b  T8 c( N9 s* A& Z
                              search_air(air);
5 Y* M- G( n6 [2 |                               printf("\n");    + P% [/ C3 m! c
      search_cus(cus);
* Y  ~7 Y/ ]/ o0 ^                      }& d  t" [( e1 p8 a" y& k
                     else/ R% O$ u1 s9 {6 d
                           if(ch=='4')
2 t2 m: T- I5 l; ^: |2 \                            {
2 c* V# d, _+ D2 W                               t=0;* _0 X+ c8 E0 x
                           }4 R: p1 f  U6 C5 I( ^" ~
      }
% u( S0 L, Y! ?/ B! W4 k6 T}
/ v& r1 s) h) ]+ S- S# O/*任务：通过此系统可以实现如下功能：
5 _) D. `+ }9 Y. p4 J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）
& W: ~' m& q; g& a( q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）；- p- C: r; f% C) O, |" x
可以输入起飞抵达城市，查询飞机航班情况；
1 e4 \0 |+ c! l% r: i订票：（订票情况可以存在一个数据文件中，结构自己设定）/ s& I9 l- y1 k: A) f
可以订票，如果该航班已经无票，可以提供相关可选择航班；. Z/ C: P9 ?, }
退票：可退票，退票后修改相关数据文件；; `; y# [  E" a/ y
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。
* f( _1 |! {+ [0 r3 q3 p1 e' r修改航班信息：当航班信息改变可以修改航班数据文件% h. s6 ^& h# T( n0 [* g' D
要求：
7 K* _7 s) ~( p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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