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);
! ~- g0 F2 H5 ^       return OK;' ]% s( w, W! x. |* g
}
% U- Y" @  o4 k  h( Zint creat_cus(customer **l)7 {2 T1 `' `6 H/ T6 L- X
{
  y+ M: j$ f; O! z       customer *p=*l;0 z5 I5 b4 A7 }4 i# Z; I$ _
      int i=0;% ~- M8 C; d* Z" g
      char *name[3]={"zhsan","lisi","wangwu"};
0 o* K1 }- b. J( o6 s. R       char *air_num[3]={"007af","008af","009af"};  o- ?6 R8 T# x2 k3 L: \1 h9 T
      int seat_num[3]={2,5,7};& h! c. d7 U0 }$ B& d) o- A. y
      for(i=0;i<3;i++)
+ g' r2 ^& a2 i. C2 ]) E       insert_cus(&p,name,air_num,seat_num);
, f# L+ g! T2 Y7 z: X) D. {3 a+ ~6 F       return OK;5 ~3 l+ m8 p# |+ m
}; |3 l6 f  I& ]! T8 V
void main()( p: K( E' g! |* ?; t# Q9 n
{9 z& |% q) n0 T' H3 }- t- L1 g8 Z2 Q
      int t=1;$ o4 i3 l4 b) v. v
      customer *cus=start_cus();
3 d. ]; C4 a! b' _       airline  *air=start_air();" p& C0 p' j; o$ g4 q: V7 s
      char name[8],air_num[8],ch;
! J% K. r3 ?- P9 D# N' t       creat_air(&air);# P9 A' M2 }9 a/ ~
      creat_cus(&cus);
2 s2 L# s5 z2 h5 `" \7 \0 j6 X. [       while(t==1)# Q6 a: A/ s6 T) I
      {# o& ]% v+ m0 K  c  q8 A  m' B# s1 X
            printf("\n");  V1 C$ o6 Y: L* f) y
            printf("*********************************\n");' ^" r  C  _( p. p  p/ C+ h# R
            printf("*    Welcome to air firm!    *\n");& o; V  C, Z3 D- j5 I8 N- }
            printf("*       book--------1       *\n");! |0 ?, N" a. R& k
            printf("*       cancel------2       *\n");
& t' y! J2 j" L$ r) t" I. q: R             printf("*       search------3       *\n");8 y' g6 w  H* Z0 |
            printf("*       exit--------4       *\n");- x& W% u' p& y" |- V2 q! F% A9 I& D
            printf("*********************************\n");' ^7 f0 L* J5 ]& M$ r  A
            ch=getch();2 v: \7 Z1 i* G/ c* G& c
            if(ch=='1')1 I  b  Y: z7 w
            {
% {& Q  X' n6 y; N0 F5 V. A5 b                      printf("Please input a airline number:");
* }. E2 ?$ u& [. b) h                      scanf("%s",air_num);
+ n) K5 \* N5 p3 S7 f                      printf("Please input a name:");) ^& q+ z  Q% {- R
                     scanf("%s",name);" {8 r, M1 I6 C, H! l; B
                     book(air,air_num,cus,name);
$ z' M$ \( ?; Z; d1 S             }
& c$ o) A3 O5 j. \             else. l4 m0 ?0 V- O. ~! ~. K7 z8 A
                  if(ch=='2')
) V) @& l3 R7 l0 L  @                   {
* f' W, l6 g9 }6 B8 ]2 `                      printf("Please input the cancel name:");* y& |& Y: K3 q/ i
                     scanf("%s",name);
, v0 _8 n" M+ ?                      del_cus(cus,air,name);
$ S* V* N4 n( |& G8 p                   }. K0 z% X2 t2 h6 d
                  else
  L9 J1 x6 N. c/ m" h) v7 [# h                      if(ch=='3')
! y& a: y2 X$ J- R                      {
  U, ]$ T# f4 b( b6 g# J7 q                               search_air(air);
. z. r3 P6 w3 q% v7 f5 x' G. O/ _                               printf("\n");    2 c' @& n2 S5 N, d. j8 i; B7 A( H
      search_cus(cus);+ A3 U) L5 n2 p0 F: ]
                     }( U: x, ?$ }2 W; x# N
                     else- ~; ~$ m7 r. Q2 Q
                           if(ch=='4')
. B1 ]6 P  L/ B                            {3 T6 R5 M2 r; A" t- l9 U
                              t=0;5 e& o- g6 C* G! P
                           }
, h: Y3 C  Z) d2 a. v       }
' e$ U* U+ [) g  e}
' V0 h+ G; u) f* G. z! Y* X/*任务：通过此系统可以实现如下功能：
1 d" n# C8 _: D6 Y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 J- j5 R& I# {+ b; E
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）；
& B( }  `/ V8 M; k2 T可以输入起飞抵达城市，查询飞机航班情况；: M4 S& }0 n6 Y  C6 O  b
订票：（订票情况可以存在一个数据文件中，结构自己设定）
) t8 c$ t* H/ a3 `/ A可以订票，如果该航班已经无票，可以提供相关可选择航班；
4 ?3 A! E  W! X退票：可退票，退票后修改相关数据文件；
# L9 @) `9 ~! N3 E' x0 |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。& \  ?" o* q: J1 I. e* D
修改航班信息：当航班信息改变可以修改航班数据文件
9 b- Q/ d: r$ w( Q1 f& @要求：/ z: G/ s+ }$ X" 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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