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);* }& m; _4 N- j3 w/ V$ O% Y
      return OK;
; C+ q$ X) E! D8 X6 ]}: x" [& @; ^; m& l1 }$ _; R" R# `
int creat_cus(customer **l): l- a* P1 w8 C* J8 l. p, l
{2 q+ r+ W; }& b. A
      customer *p=*l;
6 Q& i" M3 L4 ~' Y% g4 _# o5 V; Z       int i=0;
3 B9 b: R% j3 o! {. r       char *name[3]={"zhsan","lisi","wangwu"};
2 U# o0 a( f/ P/ l) ^% t       char *air_num[3]={"007af","008af","009af"};" q' D6 @' O2 T
      int seat_num[3]={2,5,7};# t2 o. o, `9 y6 f; b) U
      for(i=0;i<3;i++)' k) W2 v) a" T1 @* H3 f
      insert_cus(&p,name,air_num,seat_num);
/ H' ^* B( K8 z5 @6 n2 c3 ]       return OK;2 x/ O7 [5 l) n0 ]0 g6 ]
}1 G. z* L1 |9 j+ B2 }- r
void main()
$ m- Z8 V+ t9 ~{4 \/ O6 e7 w6 D; [5 U# l0 p
      int t=1;
1 [6 U3 V) D3 }* G6 _       customer *cus=start_cus();8 z* g9 Y  t0 t0 t
      airline  *air=start_air();
7 b2 ?9 V- d; S* y/ x1 R* S3 V& v$ r       char name[8],air_num[8],ch;8 R+ ^6 n5 r3 z. d0 x( k& z# ]. f4 ?
      creat_air(&air);, f7 |% |8 [7 ?
      creat_cus(&cus);
& W0 Z0 R, M0 k3 E6 I7 {       while(t==1)7 g- J$ @4 e) C+ V3 N5 v
      {
0 t! P5 l1 c$ v6 b& s             printf("\n");
! {! f* k* @6 _) T7 p* w             printf("*********************************\n");
( S) z7 }4 F+ w. c, u/ o             printf("*    Welcome to air firm!    *\n");
; C, \2 R' _6 C             printf("*       book--------1       *\n");
! n" E6 h; N& N. E5 L             printf("*       cancel------2       *\n");, B, U0 s( z! `" h
            printf("*       search------3       *\n");
' F0 B4 F4 T1 J- y& c0 @! M, P             printf("*       exit--------4       *\n");
8 M6 R6 t. Q4 p) m" w6 c" j             printf("*********************************\n");
8 d4 S2 Z  N* }             ch=getch();
# z8 f1 k# h& m) U             if(ch=='1')' w& _1 P. h: ^& [2 s3 v% H
            {  H8 y+ `, D% n9 L! [$ X
                     printf("Please input a airline number:");$ z, E8 d3 x7 s" Z( J8 r3 H: y
                     scanf("%s",air_num);
9 q8 j) W9 Z- {                      printf("Please input a name:");
6 S1 ~. @6 q% ^! _3 A7 F                      scanf("%s",name);* _$ v& m  D' v
                     book(air,air_num,cus,name);) I1 d- ^+ J- l. L1 P( m5 n2 \. b
            }
# \- r- u& C2 @: p6 t- \             else+ S" W  ~  w% I6 T, @: X' a
                  if(ch=='2')
, `8 s' s) K  H8 ^: V                   {6 V, w( e. X9 t1 A! C% h# i0 r
                     printf("Please input the cancel name:");! j- N/ l$ \, z; X9 Z9 K
                     scanf("%s",name);8 L; N$ w2 A! X* r$ q7 y! q9 N. S8 z( M
                     del_cus(cus,air,name);
0 H" O6 L. \# R$ t, O                   }
1 B8 ~) @! c; _/ D                   else4 t* p2 N4 {- O0 K! ]* A
                     if(ch=='3')
$ @: G2 _. k. a' V" c) j& K                      {8 S6 S- n) ]6 v7 n8 n8 V$ U1 ?
                              search_air(air);
# z8 v9 I2 i4 B. V7 G                               printf("\n");    * i* n0 s: f2 u! v- `5 G# z
      search_cus(cus);
) l; e: r, x6 O, v1 \* V+ F                      }: h! a/ c# B) H* J: `
                     else
2 C1 G7 j" L9 z  ]- y! U                            if(ch=='4'); O/ {1 h: i; ]
                           {' n5 f- l$ n/ @
                              t=0;& i0 M1 k+ Y0 ^/ Q* b. F
                           }1 e7 w/ s. {) g0 M
      }
( ?. U& A, H' w) T}
  s4 s) t4 F+ s4 Q' X/*任务：通过此系统可以实现如下功能：
2 Z) i, ^5 m- |) x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）
: V$ |; A2 F  n0 n5 `" w. ~0 q' S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）；
* z% a4 d: B8 }6 S可以输入起飞抵达城市，查询飞机航班情况；
3 k  A  v/ g$ m订票：（订票情况可以存在一个数据文件中，结构自己设定）, `- v" |1 S  H0 u
可以订票，如果该航班已经无票，可以提供相关可选择航班；# K  c. I& l% {% Q5 O& h2 B
退票：可退票，退票后修改相关数据文件；
) H# {4 a( [, l! N  L/ I" {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。
0 @1 |+ D3 p9 t$ T8 a2 I修改航班信息：当航班信息改变可以修改航班数据文件3 H+ q/ X4 Z- J6 [- r/ `8 T1 W' ?  v
要求：+ O- j1 B) J# U
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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