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);
7 F( _1 R* O0 Y6 A       return OK;
5 A8 c6 g8 A% x! W% q2 M/ h7 Y}& O* r! |* @; q2 s3 |! J( W' R3 }
int creat_cus(customer **l)
  i6 [, c6 W" y0 ?{
0 K/ |8 _( `' u       customer *p=*l;  ?/ G1 R  L' `& l  B$ ~5 J# F- y. ]2 c
      int i=0;
8 D, S/ ^' A% ^1 U0 q  p7 \       char *name[3]={"zhsan","lisi","wangwu"};
3 S3 C% [) ?8 E       char *air_num[3]={"007af","008af","009af"};0 g1 h' X; e0 G. D" Z3 q9 l
      int seat_num[3]={2,5,7};
1 Q$ q  A* g% r       for(i=0;i<3;i++)
9 J9 }6 f2 e! R3 w5 _       insert_cus(&p,name,air_num,seat_num);
' l2 S* e1 z3 f( `  B8 T$ h       return OK;
- c( G+ }) Y+ R}* A" L9 k1 s2 x5 z
void main()
4 t, u8 t" W) }9 O{
  Y0 L3 r6 _# n7 f3 L9 s* t       int t=1;
! L% r; ?! }  }6 a7 h       customer *cus=start_cus();
& O( p2 |; x5 g       airline  *air=start_air();
' d$ |5 I* ?) I  v6 b- {( ^' `       char name[8],air_num[8],ch;6 a% f4 `" j- a3 n
      creat_air(&air);$ h' s: _, U9 s. b  P' n
      creat_cus(&cus);
2 p" Y' ]' ?. a! b4 k$ w! l       while(t==1)2 ^$ O9 J/ w/ `; ~8 f, w1 V! L
      {
( l* g9 k: D7 Q( X- u" b             printf("\n");
4 _$ ~3 E5 v  R8 J  f             printf("*********************************\n");
, V) y) `* _3 {/ v. D+ c( Z             printf("*    Welcome to air firm!    *\n");
% E8 x' j/ z( J  v' @             printf("*       book--------1       *\n");" W0 t5 H1 t3 b: o) R  a. ]  `
            printf("*       cancel------2       *\n");7 a5 I# O8 B, v* T/ M5 t
            printf("*       search------3       *\n");
, i/ f( {4 {9 y/ Y7 H             printf("*       exit--------4       *\n");/ w3 k. X/ E+ C* U
            printf("*********************************\n");6 z* E' j* g; q
            ch=getch();/ X4 n# h1 d+ w) b" h5 D, g
            if(ch=='1')  ?/ `; X. t+ s& G# z
            {8 `- z7 e1 H$ h& K0 m; }- _% z
                     printf("Please input a airline number:");
# }4 i2 B# E1 r/ Y; {" @                      scanf("%s",air_num);" l4 @& D) |8 b9 ]- a1 o% v( w
                     printf("Please input a name:");" M+ ~, n5 D9 y# w% [9 Y
                     scanf("%s",name);7 p/ Z8 I6 H/ w9 r
                     book(air,air_num,cus,name);( F* J* L1 a7 o  \% d2 K
            }
  o4 V% S# \) N( j             else
8 v1 C9 p! E* s& k. ~; i0 J9 l                   if(ch=='2'): X3 N1 v8 K8 {! N
                  {$ F8 D* `$ D4 h" S5 _% l/ h
                     printf("Please input the cancel name:");6 @- _7 w; [0 I1 S1 Q- _' }$ y
                     scanf("%s",name);
0 B1 U. [& c0 W1 B# x) k                      del_cus(cus,air,name);
2 i7 v7 m! J. l8 f8 g- L                   }! u% K7 X1 A% p  Q( Z$ @8 P
                  else
7 ~. f/ ^: j# S1 Y) ?/ R' I. d                      if(ch=='3')
9 H4 [; v! f, W$ M2 {7 s  \4 o( M                      {" I5 x& H; t) H: [* T$ b
                              search_air(air);; ?1 D* l' q8 e0 R6 g  n3 Z
                              printf("\n");       d3 l- _6 I* f# F" h
      search_cus(cus);
2 X* \7 Z5 V. U  X  }1 x                      }% `* ?) T- u( @& x5 ^8 [5 w
                     else
! `- X2 g2 c6 q' ^( G, X                            if(ch=='4')* W* `  r6 w1 ~8 P
                           {
, b& H9 F( P7 s! i; K) I' x# W                               t=0;6 ~6 n' B# L3 m+ b
                           }8 B) c% ~# ]; j/ \! V6 J7 m
      }
5 ~3 x! c4 S$ J  C- B, V}
+ o+ `; M, E+ O9 I! i$ H/*任务：通过此系统可以实现如下功能：+ l2 p" I) H: ~, i$ U- Z' M* @1 o
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）) h* }  W( ^7 I
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）；
, y7 n& c! R% F) ^5 ]- h可以输入起飞抵达城市，查询飞机航班情况；/ l: c' e% ^: i0 A. [7 v
订票：（订票情况可以存在一个数据文件中，结构自己设定）
3 T9 }  t, l  j/ a& A9 L0 n) E可以订票，如果该航班已经无票，可以提供相关可选择航班；
& m4 P- Z/ m6 ]退票：可退票，退票后修改相关数据文件；
  G4 |* `. v: B& A$ g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。) z* Z  f* X) `1 S
修改航班信息：当航班信息改变可以修改航班数据文件. \& r5 a' |9 a* M- l' O
要求：& F+ g- S5 e" A9 I+ T' j
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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