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);
" T$ Q+ f3 ^! p' T% d$ z3 n' q       return OK;
1 e1 ^! t) x' |6 f: w5 ^" Y}7 P/ I0 g/ C" S- H. A& `. W3 x
int creat_cus(customer **l)! v$ s. H9 X( ?9 h0 x* A
{
4 y8 w! G  q! z5 z2 X/ }7 d4 a       customer *p=*l;
1 [2 U# y3 i  e; c: ^2 b( E       int i=0;" \7 {; B  w# L: }0 e
      char *name[3]={"zhsan","lisi","wangwu"};
3 G9 Q2 s0 _% p8 R! c       char *air_num[3]={"007af","008af","009af"};
; N, _+ I$ q, R1 e4 j* T       int seat_num[3]={2,5,7};1 q& C* \& ?- I' ]& ?) K  l
      for(i=0;i<3;i++)7 c& G* q% H) ]
      insert_cus(&p,name,air_num,seat_num);
7 {: w6 ~& g' Q: Z$ J" ?1 W       return OK;* Z+ w* P8 e( g9 N/ T* @( V
}5 m/ J# o4 }9 p# `1 h3 i
void main()
8 ^6 U" _* x; D2 F3 m& N. U1 H{
3 }3 i& a2 X- J: @- n) B2 O       int t=1;
& l! w# ~. N# Q# P* E4 s       customer *cus=start_cus();
/ O# G2 `9 r- d/ U8 u( p7 O4 S       airline  *air=start_air();
  h# H+ [1 g" A3 v       char name[8],air_num[8],ch;
: {3 x' m& ?* O$ w8 [       creat_air(&air);% U2 E$ ]7 j! q
      creat_cus(&cus);) e) P9 g* ~9 H/ m
      while(t==1)
. W! d$ u+ c- o2 x; @7 Q9 p% a       {9 O& T9 H1 j1 ^- M
            printf("\n");
: a5 o7 i8 A" Y. E             printf("*********************************\n");
6 Z# M% b8 P+ a3 @0 J             printf("*    Welcome to air firm!    *\n");" @. Y0 Z6 f! _+ @% W: M  L
            printf("*       book--------1       *\n");
3 n6 C/ P$ N0 o0 q             printf("*       cancel------2       *\n");: ]& p* A$ `+ b
            printf("*       search------3       *\n");- D+ e: s3 G* F) ^! L% \6 D
            printf("*       exit--------4       *\n");* u1 H! a. b1 a- }% e
            printf("*********************************\n");
- X9 p! R" w# b+ Q8 ^             ch=getch();! K. ^- N0 h' r; D/ r1 `
            if(ch=='1')4 U( V7 G! L4 t
            {2 N' f* c$ K/ h& {3 @4 P
                     printf("Please input a airline number:");" P/ |; B% z3 ?
                     scanf("%s",air_num);
8 \) h1 S5 z- L                      printf("Please input a name:");
% @! X: U1 X7 l" M$ ~6 B                      scanf("%s",name);4 m! Z" a* \! p' `' |0 [# P, }
                     book(air,air_num,cus,name);9 \' ]9 S( h# c2 q0 f
            }% c* @) [8 j' B0 r0 o
            else
2 O; b6 K: I2 ]6 T! e                   if(ch=='2')8 s3 F4 E+ ~9 _- M8 e1 w  E& C
                  {
, P7 M& s/ F6 G6 `                      printf("Please input the cancel name:");
. a) a1 g$ a* m( {                      scanf("%s",name);* B' g7 z/ p, E2 S( b% S, N0 p
                     del_cus(cus,air,name);9 }% E  `" r: r, Q; j9 D! |
                  }
- v( c+ n2 f! {9 V, t  t  w; i                   else
4 z9 [# |5 @: l( N( R2 w2 h4 L( s                      if(ch=='3')
. B- `: x- U) F7 `$ W                      {; @3 I2 A- {, g# J6 a( D: S/ l8 O
                              search_air(air);
2 |1 c: T" i* L, |# P/ a                               printf("\n");    - Q' a5 r& G  @7 g/ ?6 @' p% q8 \
      search_cus(cus);
! Q/ \: C' X5 a6 _' _                      }' }8 z. ?  h% x7 I! T5 D
                     else+ f& [( G. U: O' t& U
                           if(ch=='4')% L2 f1 i, l3 R4 F/ p& {  H
                           {* ~6 u# D. `  t& B& Q
                              t=0;& Z% N8 r2 e- U
                           }
: h2 [$ Q1 o/ Z$ P- L# @7 G       }
1 b/ p/ K) ?0 U}& V9 F2 B: V! x+ r
/*任务：通过此系统可以实现如下功能：. s0 x! B8 |  z$ d- G
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）. K& C$ s4 W. q+ a& b; n: M3 f
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）；; I. y9 I* `  G4 ^6 U" ~
可以输入起飞抵达城市，查询飞机航班情况；8 p0 ]  T' X/ [
订票：（订票情况可以存在一个数据文件中，结构自己设定）
' f& ^7 K) U) O9 X可以订票，如果该航班已经无票，可以提供相关可选择航班；; a( t7 X8 V2 S& I
退票：可退票，退票后修改相关数据文件；
1 y2 j% V* ~' U% A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。
* u7 d9 b9 E2 O( Z修改航班信息：当航班信息改变可以修改航班数据文件
7 c- s4 ~$ R5 E6 N要求：4 r8 W. @. t) k/ w' F
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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