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);
' x3 D$ g! @: P0 b; o       return OK;
  ]7 s0 W" S* v; @3 ^: [}8 R3 _) |- j/ P% K3 Q& D
int creat_cus(customer **l)
3 Q& V* u' f* i* ]{
$ P% K7 R6 X6 n0 A* z( C       customer *p=*l;
; k: ^+ x  a) H, [& Z; Z" N& Y8 L       int i=0;
& ^) {' D2 x& @       char *name[3]={"zhsan","lisi","wangwu"};
( K# C8 }" H$ `. b0 I       char *air_num[3]={"007af","008af","009af"};
; i. H% A1 O6 T& _8 r8 `; g       int seat_num[3]={2,5,7};* V1 [( J( I6 u& h" X4 E' `
      for(i=0;i<3;i++)
1 |2 p2 n8 G) ~/ z$ \% b5 ~0 i       insert_cus(&p,name,air_num,seat_num);
) y% S7 H& k( d       return OK;8 \. K& q: i5 e4 }+ S
}5 T9 t: Y0 v" |( ?. H6 y$ S8 F& ^
void main()
4 E# m8 I- i/ M3 b{
, q2 S" R& L* M       int t=1;
! \% R4 _3 `0 o3 J. m       customer *cus=start_cus();
; A- k- f0 \$ ~       airline  *air=start_air();
; G/ E* P; @  {3 K       char name[8],air_num[8],ch;, \- T  a3 I  r. \7 t
      creat_air(&air);* u1 I' ]7 Y3 b- v$ e( ?
      creat_cus(&cus);
4 B6 t% D$ ~/ D$ y5 w       while(t==1)0 [: Y1 G, Z, h7 t6 s
      {) i& d+ A2 f4 o& r: }5 y* n
            printf("\n");
' m/ @+ p% j* }3 a& r% Z             printf("*********************************\n");5 ]: t* F0 `- k! Q8 f2 ~2 e
            printf("*    Welcome to air firm!    *\n");/ T: `- R8 P' k8 O& ]2 F6 H! G
            printf("*       book--------1       *\n");4 _* r8 l* H' v1 }; |
            printf("*       cancel------2       *\n");5 ]5 m6 u% w# z
            printf("*       search------3       *\n");
6 `' x6 G8 Z/ L* _& ^( o$ @             printf("*       exit--------4       *\n");
; q1 \3 }. }( l0 L8 U( @# ^3 w             printf("*********************************\n");+ U& J2 `5 R  Y, |1 V
            ch=getch();7 G( e: Z2 O* z! {( y8 X
            if(ch=='1')+ f- y2 G- |* d
            {
/ p/ C* T( C0 B+ m( R: p! E- F                      printf("Please input a airline number:");
0 ?# Y* J- x* E. B                      scanf("%s",air_num);
2 w3 o; t* C) t9 U                      printf("Please input a name:");$ h, M, `; u2 T8 Q$ `# `8 S
                     scanf("%s",name);8 h  U& A9 s$ D% v7 \+ H
                     book(air,air_num,cus,name);
: Z- x+ P8 r% T4 K9 P# X# G             }8 ]4 r, C# P  h9 a6 T9 d. d
            else
0 e! K: Q! t$ s                   if(ch=='2'): d9 Z( z+ d+ E% ^1 a
                  {) Y+ r4 T. `$ h. D  j
                     printf("Please input the cancel name:");
$ \# }3 _1 s) U                      scanf("%s",name);; C7 e4 f2 C8 p2 u8 e0 Q9 E9 P
                     del_cus(cus,air,name);( w% `/ W+ f2 C( N3 c
                  }
1 ?2 l3 T4 U. E2 r" v: V2 t, C                   else& Q9 O$ I: E/ p* j& A% ?9 B
                     if(ch=='3')
# N+ Y. m# H4 T. U( P1 B* X, k                      {
) l' t! f1 j% ^0 Q                               search_air(air);  L, o! S" P9 b' X% A: c! G) m7 E
                              printf("\n");    ' w4 Q# j; m- m" B
      search_cus(cus);! K' q0 a' D- y) O& P
                     }
9 a1 e8 z4 n# s6 O/ Y. ?                      else
+ y( a& @/ U! m( I* |- F" D& F                            if(ch=='4')
! t) H6 r* M6 G- ~. U- h                            {7 [+ o) l! i( W5 X7 v3 e' {
                              t=0;
% \+ n# D+ f- [, I                            }. ]* E7 i8 w& L1 ^/ I4 q; s
      }+ u4 ~& m8 h+ Q4 M* j
}
& P/ L3 [  U0 k( H* M) E/*任务：通过此系统可以实现如下功能：
" u- P# w5 M  M0 r8 N. 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）
2 }- Z4 U1 c) x: s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 f- ?+ G$ T6 J, Q9 s/ N
可以输入起飞抵达城市，查询飞机航班情况；
+ s5 t: e$ Q7 _! K2 O( T0 `订票：（订票情况可以存在一个数据文件中，结构自己设定）
  }. c  N/ h/ N  R; |可以订票，如果该航班已经无票，可以提供相关可选择航班；, b* S( b- A8 C5 w# @, E
退票：可退票，退票后修改相关数据文件；3 C' h2 y: T$ 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。  \7 D0 Z) v* o# b  G6 U8 |7 u+ E' P
修改航班信息：当航班信息改变可以修改航班数据文件
' g! i. V* j; A4 H' E3 A5 Z& Z要求：! z! H1 h% B+ d) 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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