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);( u. R$ g, H8 l
      return OK;
! Q. u1 J6 U1 I}$ ^* P8 X2 o: `% }
int creat_cus(customer **l)6 [. j, n, ?9 X5 C, U4 c- k& o& G
{
* C/ a# r) Q+ f  R' C$ m       customer *p=*l;  s$ x  B+ i4 e, Q
      int i=0;" i2 J' m% r8 Z5 f8 d
      char *name[3]={"zhsan","lisi","wangwu"};& l7 a# C$ C3 T
      char *air_num[3]={"007af","008af","009af"};
9 ]8 J8 _- K7 z& Y* d8 b/ ?       int seat_num[3]={2,5,7};
4 ]6 F$ ?: M" W! l       for(i=0;i<3;i++)! z9 k$ t/ M. b1 d/ F+ d* Q
      insert_cus(&p,name,air_num,seat_num);: I0 _- X  m9 \! `! q' n
      return OK;, D( R. Y2 y$ @+ |
}* Y4 {1 S9 s8 L) G, S
void main()4 B# k# X1 A4 F: j* }. u5 q( W
{  r! E" e" |1 |% u. G) O5 O1 l* R
      int t=1;0 `4 Q( d3 K+ x* f* u
      customer *cus=start_cus();- }. L. L- g# m/ h
      airline  *air=start_air();! D. Z$ g! _+ W5 f1 ~/ Y
      char name[8],air_num[8],ch;
' }) l: U: i9 f" ?: ?       creat_air(&air);
+ b5 M3 z' a- I. w       creat_cus(&cus);. i( q6 f& j* x* \8 F0 a4 x
      while(t==1)
$ S& r) }9 b( Z( v2 b       {
) V6 K7 ]0 H! N9 S& f' U             printf("\n");
/ f/ G; B, @( [& d3 P8 ~             printf("*********************************\n");
  M- g7 v5 h0 _3 j  J             printf("*    Welcome to air firm!    *\n");
8 f$ D' v, p7 e4 {0 v( c             printf("*       book--------1       *\n");, }9 T1 j. ]& w
            printf("*       cancel------2       *\n");
& |1 |  k# k; Z! X4 }5 `) s             printf("*       search------3       *\n");9 K2 J) T7 ^3 J3 T- B3 _  D
            printf("*       exit--------4       *\n");
  t% @: H: D* K9 W7 z             printf("*********************************\n");
8 o4 Q, W6 d: Y8 K# X) _) d5 v             ch=getch();
% n* |/ J/ T" u) M             if(ch=='1')
: W9 Y& O* S+ G6 V1 @( u             {* V& d* M; W) |( u5 U
                     printf("Please input a airline number:");
' d3 x& e# e# w( G  E* n0 e- U                      scanf("%s",air_num);
& B4 r9 M% W6 B, [* _                      printf("Please input a name:");
: I1 Q2 P" S8 z3 c' Y5 d                      scanf("%s",name);7 N' R/ x: d4 h! ?: W7 R0 U
                     book(air,air_num,cus,name);
3 C$ e7 A, y. w" T# h7 l             }
# B! I7 t$ n4 T             else
  i; o8 I5 b5 t& x9 a7 j% h                   if(ch=='2')" N1 K4 t* W" m: Y& k: J8 [5 ^* Y
                  {9 h! z# A, k9 C2 S* A% O
                     printf("Please input the cancel name:");7 d% E" z  V; T+ L
                     scanf("%s",name);
  H' l  ]7 U6 U% l; h. V) c                      del_cus(cus,air,name);; O  `9 I+ ^/ I6 j- ]8 k
                  }
' {" `. e# j! ?- l4 g                   else" t1 Q% |3 A& t2 D7 k
                     if(ch=='3')+ I- O5 F( g( A2 a
                     {
8 r% K8 `; {1 ?                               search_air(air);0 o) B4 j/ Y9 s9 Q
                              printf("\n");    8 f6 m3 L# l& J6 d/ c  D
      search_cus(cus);1 F: w8 y# y9 E" [6 k
                     }
9 w! F# P( R; }5 U$ H7 p7 K) q9 d                      else
) g2 [5 P, W) d. H* a- t9 m  F                            if(ch=='4')6 j  ]+ M& a( z
                           {3 f6 \$ J9 \1 a) t; p6 K
                              t=0;' z$ s! Z0 H3 y3 S. d* B; h, _
                           }
; N9 r% D; {2 n       }* p/ P$ G0 J& _8 S1 Z" y+ @
}
# A/ ~5 M1 j& A% W1 I( x/*任务：通过此系统可以实现如下功能：4 k( a& _5 p! v$ s, H
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）
/ F+ y: D* b- p: H+ o( ~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）；
  }; ?: A; M2 c" p9 c$ c可以输入起飞抵达城市，查询飞机航班情况；! [6 s8 C* R2 {9 K1 a
订票：（订票情况可以存在一个数据文件中，结构自己设定）
6 D2 P' P& ~3 q% J3 [$ S6 t3 w+ \8 N可以订票，如果该航班已经无票，可以提供相关可选择航班；
3 a- e0 r* I2 i  U1 C3 [; y- @6 s退票：可退票，退票后修改相关数据文件；- ~% E7 x) W, e0 F  j& p, T# 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。, ~5 F$ ]- R3 t6 O6 g/ U
修改航班信息：当航班信息改变可以修改航班数据文件8 [- h) N. t% t
要求：! @0 I4 N- A' F# b
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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