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);# Q$ K7 B2 d7 x" p# w
      return OK;
5 |% B; q5 D! s}8 l0 v/ }( E/ Q4 I" s8 T
int creat_cus(customer **l)
9 F1 S$ t2 t, p/ X5 k8 n9 `" |{
0 r/ Q  J4 i; g' `       customer *p=*l;
  y4 I9 d! P  Y& V; Z       int i=0;$ v3 e, N0 o% X( L% L, E( A
      char *name[3]={"zhsan","lisi","wangwu"};
! {- V9 F1 X4 w' Y5 `$ F       char *air_num[3]={"007af","008af","009af"};
5 I1 _3 C: V1 w9 M# O- n" v: l       int seat_num[3]={2,5,7};
% H; E3 ^' g$ v% |5 \2 L       for(i=0;i<3;i++)) z+ L- n6 z( C$ {) D: z. I
      insert_cus(&p,name,air_num,seat_num);
# o# M% O4 c2 g# b       return OK;
$ F" i  N: h  q0 ?- ]& W}& Z1 @& E+ N! D$ K" M; J
void main()- N$ J( q* X1 k$ m
{) z# a# r& t5 m
      int t=1;8 S+ B+ n( y; O' k( p* _+ P
      customer *cus=start_cus();
! j# C" Q  ]4 H  A0 }7 Y2 m: X       airline  *air=start_air();- @4 M, @8 t/ c& o6 x$ [
      char name[8],air_num[8],ch;" E. m* _, J0 V
      creat_air(&air);6 r' N! b& W% Z- Z
      creat_cus(&cus);/ i# V: ^" I. D+ ]2 k
      while(t==1)
+ h3 w6 `, h0 S0 v       {4 v# Q" C, H/ H
            printf("\n");
1 r$ b& ]: ~) l; h. B" O- _             printf("*********************************\n");
3 x) W% U/ L, J. d  H; l- A( ]3 c             printf("*    Welcome to air firm!    *\n");( I  F/ {! _4 A8 n/ G% x+ W
            printf("*       book--------1       *\n");! G% K# G$ U6 E& a& R7 L
            printf("*       cancel------2       *\n");& o6 `9 Q# c) K& Y% J1 ^
            printf("*       search------3       *\n");
! m. `# M2 z0 e# P8 C% E! M             printf("*       exit--------4       *\n");9 V; B8 Q' P* I& a; s! q8 r! c8 ]! G
            printf("*********************************\n");: g2 D% W3 z) z
            ch=getch();
) m% h  v- ~3 T# C; Z* \             if(ch=='1')1 b: g- Q) G6 _9 p
            {! Y9 R6 r5 m, T  I
                     printf("Please input a airline number:");
/ r7 j1 l, e: S9 E                      scanf("%s",air_num);$ x! Y* U( h3 h
                     printf("Please input a name:");! ^0 w1 P+ ]. X$ w! n# ]3 \) e* {' k
                     scanf("%s",name);" C7 ]" G; T# n: r( j; I3 ~0 Z
                     book(air,air_num,cus,name);
5 G# q8 f9 Q, z             }
6 l9 }9 S5 {8 [/ R" L. e/ F2 Z             else3 [, p2 T- D$ m2 {
                  if(ch=='2')
( E5 X5 `8 o; S( H                   {9 B: _# H% A7 V/ t. n6 e: e
                     printf("Please input the cancel name:");7 T/ c9 j; n1 j) s8 F. T& c- g
                     scanf("%s",name);& A6 P) n- P# N" L0 h1 @; e8 n( O3 g
                     del_cus(cus,air,name);; g; R* X# z- i1 {
                  }) H) d' _. k8 x; ?8 w( q
                  else
' c6 P* R2 M5 h' @: j& M2 b: v2 i                      if(ch=='3')
9 ]8 Z  \' h4 D4 |$ J0 H' E0 l                      {, [6 E2 Z( A. h9 r8 `9 q  K
                              search_air(air);
6 Z# j: c5 L% x: L$ [                               printf("\n");    : T" |4 y+ d- Z6 @+ b8 E! h/ g5 d
      search_cus(cus);$ v* o4 C1 `4 c, F
                     }
. {6 i% j9 `* x7 g0 v/ M5 ]9 |( r                      else7 e$ y9 ?* r' g4 B
                           if(ch=='4')
; l3 L  h6 Y1 `, y8 f                            {: v/ u, H; W: p$ K8 N* P
                              t=0;
+ B6 y; |) S* j- w                            }
4 L7 l  O1 y9 ?1 |       }
' Q% X# N) a; ]& V( i" c) n2 Q}" p* E( t* h9 D* f5 H
/*任务：通过此系统可以实现如下功能：
; v5 N1 w! {5 R0 l4 }" T! S, v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& f) B7 Y! H& M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）；" y& s4 q0 j/ J2 q' g3 x
可以输入起飞抵达城市，查询飞机航班情况；
8 y, d8 b8 c; o9 \* Y4 n订票：（订票情况可以存在一个数据文件中，结构自己设定）
- F. u- o1 E! v8 ?可以订票，如果该航班已经无票，可以提供相关可选择航班；
2 d, g+ F0 i' D退票：可退票，退票后修改相关数据文件；
9 i/ c, L, Q1 R7 G: N0 ~: 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。4 f/ J& ^( U7 L* M+ s# Q1 q9 `
修改航班信息：当航班信息改变可以修改航班数据文件: T- B+ O1 l* J) ~8 a# t& L! y5 a
要求：: @( U; r8 R& G, 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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