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);
! X6 {3 N. c6 `( I* j       return OK;
}. s3 D0 d, V8 v$ Q- {$ Z$ I7 k; S
int creat_cus(customer **l)6 Q" I0 E1 {5 ^2 Q* A; e8 |
{
! g1 ?. L' y# y6 W5 X       customer *p=*l;
" ]' N1 J2 ], |+ W& q: y' ]       int i=0;
- ?! H) _+ X. `9 Y% p6 f3 l: M3 f       char *name[3]={"zhsan","lisi","wangwu"};
! T+ u7 s0 W2 B2 S% y! a# L       char *air_num[3]={"007af","008af","009af"};7 x- Z4 g8 G1 I1 G( A- K8 w; i4 y
      int seat_num[3]={2,5,7};; T8 e  Q- T! v! E  G
      for(i=0;i<3;i++)! p5 @1 J( H1 m9 P) I1 W
      insert_cus(&p,name,air_num,seat_num);! m! `8 a6 ]9 q4 i. _& F
      return OK;
8 Z1 {2 T/ E; h: a}8 z& I0 z. J+ _) n6 L
void main()* B4 k/ N! S: H) \
{
" L" E0 |9 A4 j0 k# d       int t=1;; s* e6 J$ [1 y
      customer *cus=start_cus();: X, `% m' ?$ Y& |' P) e
      airline  *air=start_air();
  n& M; I% i  m8 B       char name[8],air_num[8],ch;8 h- X0 d* t1 D2 T
      creat_air(&air);* w: `. F2 G9 ]+ H
      creat_cus(&cus);
; V3 U$ c' S) c1 B! p       while(t==1)/ E2 T- ~3 @& C) c
      {1 s# V, C6 g3 i2 N
            printf("\n");0 Y- b7 u! |  j# q& j
            printf("*********************************\n");
" @. X/ U9 a! `8 p             printf("*    Welcome to air firm!    *\n");
2 a7 c  D& P5 N5 ]6 C: X3 U" d             printf("*       book--------1       *\n");
8 D5 H  d) I0 r. r/ D) Q) i1 J             printf("*       cancel------2       *\n");
! ~6 \! j4 i4 \3 {( J( R             printf("*       search------3       *\n");
3 v" a; L3 B4 K9 {, _7 o             printf("*       exit--------4       *\n");
5 L) \9 v8 l" |' e$ J! }0 s             printf("*********************************\n");
# q2 l/ [) z: C             ch=getch();# S8 b+ J4 u, }. |
            if(ch=='1')
6 N+ h. L5 q, r, L             {
3 s' j" E1 y( ^; a' X2 N  i                      printf("Please input a airline number:");" x& y9 d- M3 P$ R  c+ Y
                     scanf("%s",air_num);
) t6 W+ h# g+ F' m0 X( Y6 B) X                      printf("Please input a name:");6 V0 y9 T. `0 I% M
                     scanf("%s",name);
( M" w: ]/ e- E' a0 o) V  m* G) s4 t                      book(air,air_num,cus,name);
4 ]5 q: |5 |8 s5 n7 y             }1 Y- a# O' l5 Z9 y  w  D
            else$ R# Y9 T# W& x" B3 P) L( T
                  if(ch=='2')% d! R9 L- g5 _( `, h
                  {
) W: m1 z+ S( Q                      printf("Please input the cancel name:");
4 Q' l) d6 J1 x                      scanf("%s",name);
, Y# ]) T+ |7 l0 {: p- t                      del_cus(cus,air,name);
$ d8 O+ L! l7 z! ^" D                   }4 e8 [; h) {" z9 t( ^% _
                  else
& p6 u* _2 p$ w9 V7 q% x- [+ ]                      if(ch=='3')
8 e) R9 N" A/ X: E! Q                      {' ?6 s% w1 _; _. b
                              search_air(air);& N  \% Q4 ?+ i- o1 k/ X
                              printf("\n");
: S* n8 M. D1 b9 y$ p: ]+ k- l3 z" L( w       search_cus(cus);
, F7 w4 \5 [: U- U+ C                      }
; ^( i- E' z5 E- Q& e9 r" P, p* S$ o                      else
' \, L, O" ~+ D6 A& u9 k+ p7 D                            if(ch=='4')
7 p+ i* R5 @! O8 k. p                            {) R4 K8 G% C5 ?% h7 i7 }2 c) K
                              t=0;
. S$ N; T1 M+ S& R, L                            }% [* K2 [% L( |2 {
      }
5 ^( B* A! Y0 }) a8 y# {}
& h0 X/ h& g. I/ e$ S* t, X/*任务：通过此系统可以实现如下功能：
  s- r' U" u- T7 L" |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）1 r; e- E% f- h' n, Q
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）；5 J  y2 ]4 l8 @8 [" m1 l; o
可以输入起飞抵达城市，查询飞机航班情况；* H1 Z; i  F, d6 @7 d6 o0 Z2 u) N
订票：（订票情况可以存在一个数据文件中，结构自己设定）* U# m/ |8 E3 }
可以订票，如果该航班已经无票，可以提供相关可选择航班；
$ i: {2 r0 M% g6 w' |退票：可退票，退票后修改相关数据文件；: [' A" a/ ?- f' z/ S7 B
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。
. L5 N7 n& a& O- L1 i: y修改航班信息：当航班信息改变可以修改航班数据文件, _+ [5 _, J: q( @2 A, h0 y
要求：
' n2 h' d8 n( }# x7 }. ^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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