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);  R; e, _- i9 Z/ W4 a
      return OK;2 \9 X  j, e, {6 b6 F. m4 \
}
# B- O8 u  b- I6 n; Z" xint creat_cus(customer **l)
* B; f4 O) f8 Q, S2 K; F! M3 x{  U& G: c) O8 o$ Y, N# j
      customer *p=*l;: M6 o/ H  b+ {, Y7 P# R
      int i=0;
* E2 h' S% W: p( i% \! X6 K7 f       char *name[3]={"zhsan","lisi","wangwu"};7 i, \: E2 ]9 v. ~6 [! L; }$ |
      char *air_num[3]={"007af","008af","009af"};
8 ~5 g& r' G7 G) ?       int seat_num[3]={2,5,7};! b: A7 U' w) C+ T. t8 }/ y$ \- S
      for(i=0;i<3;i++)
. T! A' @) l/ Z, Q( r       insert_cus(&p,name,air_num,seat_num);$ T; J4 v: Q. A, h, c
      return OK;7 |" i, g8 W( `9 I8 O2 G
}
* _& z, j8 g; K, u0 _void main()
4 f6 ?1 Z) a0 I9 U( \# G{
2 B" Z5 F; p4 n6 z: J       int t=1;
; J7 N# A% K6 s' U4 K6 s8 \       customer *cus=start_cus();6 F3 `/ P$ B4 I; K( o' r7 f5 v  l
      airline  *air=start_air();
. T5 f( f( s% e& W       char name[8],air_num[8],ch;
/ T1 g/ S, f. H, D' |' L       creat_air(&air);
! e% m: p4 N: \- M1 X1 ?       creat_cus(&cus);
" V* t8 ?4 M4 L2 t! q       while(t==1)
# ?( ?) u4 }. o- ?+ Z       {
, e, Q5 ~  U; n- i             printf("\n");+ ^( n; q) i. L. h5 k
            printf("*********************************\n");
4 t+ z% }% R  m9 ^             printf("*    Welcome to air firm!    *\n");8 b: j; r/ d0 g7 x# w- [: z& q0 m+ r
            printf("*       book--------1       *\n");, M$ A7 j1 }! l; p% m7 C0 {) x! W
            printf("*       cancel------2       *\n");/ Q. q3 a7 u8 d2 l
            printf("*       search------3       *\n");; R  w7 G- Z. w8 [
            printf("*       exit--------4       *\n");0 q( @; \% r- {+ Q* Q
            printf("*********************************\n");
* c- Y) C# h0 c& U. p+ o% ]             ch=getch();; i" ]4 ~7 Q+ m5 I
            if(ch=='1')
8 G- |9 T- s' u             {+ S0 `5 f, n1 m) d7 I
                     printf("Please input a airline number:");
! G6 m5 H5 _# l( }4 d5 a; A                      scanf("%s",air_num);
, i( D) E/ b3 N6 b. U! N8 Z6 r% I2 S) ^                      printf("Please input a name:");
3 m% ^7 y4 O( R$ E6 _) E                      scanf("%s",name);5 |9 v% d) x( q6 X* S3 b0 h
                     book(air,air_num,cus,name);
8 U7 c3 g! J- Z: z             }
+ A7 f! A0 c' F* P+ B4 m) K! Q) E             else" w1 W8 o  R7 N3 ?
                  if(ch=='2')
/ L2 X$ Z* v  o  ?% d6 Q& B! j, {                   {( d( m/ z* [6 \% T
                     printf("Please input the cancel name:");2 `! I9 H. I2 @) N
                     scanf("%s",name);
$ j; M+ ?/ r& d$ Y                      del_cus(cus,air,name);0 x1 g( J1 ^$ |3 z7 b, ?0 p
                  }* J! j( P0 E# t6 ?
                  else' H5 K* N5 A0 a
                     if(ch=='3')  w/ y6 g: S; s- F% r7 u
                     {9 B2 `" l9 B* z% p) G/ S" S" T. e
                              search_air(air);, }+ O& a4 M" d9 x3 ^
                              printf("\n");
2 c' c1 k$ l% _% p& h       search_cus(cus);' a  y0 O- d' U7 X1 p. J/ Z
                     }
! X: P* c2 f0 q                      else
; @" P3 Z- ~0 @7 c3 V                            if(ch=='4')9 L' C& ?$ _: K5 e! b! }& S+ f5 s
                           {
8 W& k2 _4 y% q: c                               t=0;3 K7 _$ O" C- H
                           }
( ?- D& R' i( x8 l" b" a4 C       }2 \" I; T: w( T! @! A+ R) P+ x, P
}
/ L+ \7 ?$ A! v: R! Y' ^- e) M$ u/*任务：通过此系统可以实现如下功能：4 h% n: O2 @  c; X* i8 |, O2 P
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）
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）；
1 @  u3 U6 p7 c8 N4 a# e可以输入起飞抵达城市，查询飞机航班情况；& \+ a' L! _0 m2 V  V. L! S
订票：（订票情况可以存在一个数据文件中，结构自己设定）8 X& x/ h+ J: R3 s, \
可以订票，如果该航班已经无票，可以提供相关可选择航班；
) L& y  i+ e" ~* ]! D# m退票：可退票，退票后修改相关数据文件；
* [' k8 y# E2 R9 E8 d! [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。' o7 c' }4 h  `2 B" _# }
修改航班信息：当航班信息改变可以修改航班数据文件
5 d4 I7 a9 d1 {" {' m0 D要求：0 q3 N2 \, V& M1 G) B$ y4 ]
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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