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);
- l- c" Y( x( k  {$ |2 j) d  h/ D       return OK;
2 a8 a" G: R( s}
$ e; @7 ?4 X7 Q! k( k+ Yint creat_cus(customer **l)
$ d9 g" D* m9 f  u{* l- r) i' a4 c+ s: `- \8 \) j
      customer *p=*l;! D' N; D. N5 h& N+ G
      int i=0;9 U$ g7 ?4 ~' C
      char *name[3]={"zhsan","lisi","wangwu"};8 x( n, `0 i/ o# j; \: [
      char *air_num[3]={"007af","008af","009af"};( ]- t0 S- `# A( }$ r4 p* O
      int seat_num[3]={2,5,7};
) R4 R5 ^7 {- t2 Y* Z+ ~+ U/ w) H. N# H       for(i=0;i<3;i++)
5 n' w5 ^; j. n! x: t       insert_cus(&p,name,air_num,seat_num);
- F9 T7 V  [+ `" Q       return OK;
6 ~% N) G0 r+ n# ]! n}; ?, X  c: E" e, V
void main()
+ m! r! _# u9 i- A5 y7 G, f' J% `: `! i{
% Y$ W: e, m& S" a* q. x8 |  }       int t=1;3 Y$ G) y: @. B' o$ D" K
      customer *cus=start_cus();! Z% u  x4 j, d( M/ u' E" q
      airline  *air=start_air();3 k/ j$ u# u; |) _  L3 v
      char name[8],air_num[8],ch;
# E  ^6 P' b$ |' R5 @3 ^4 E' l       creat_air(&air);6 U# b  c+ L- J' H- M& r* f. ?
      creat_cus(&cus);! K4 ]% I  x, M) S! ~& T) V
      while(t==1)$ W3 i& Z  [6 k3 N" d# p
      {* K  {' g+ C' J  b
            printf("\n");
6 H; Q, Q' E& S( c$ ?+ ]             printf("*********************************\n");9 K( ^! Z# @+ _* i% e: o7 @; {
            printf("*    Welcome to air firm!    *\n");: d* I  @4 e7 @
            printf("*       book--------1       *\n");
% b9 S% R0 x. L! E) l* X$ ]; D9 J7 ~             printf("*       cancel------2       *\n");
0 [* e7 R8 U+ P5 {             printf("*       search------3       *\n");
  ^6 C6 Z8 x/ n1 G' w             printf("*       exit--------4       *\n");  c6 ^+ w, B+ o( d2 r/ C
            printf("*********************************\n");- Q, X+ P+ g$ C  x) m* B- G
            ch=getch();
; l% G. r$ o1 C& ?9 b, f. h             if(ch=='1')
) T) H; t# K5 D2 ^) _0 g( Z% o             {1 {5 E2 p7 v* t9 E  G
                     printf("Please input a airline number:");' `4 |  a+ W! M  M' d- v5 G
                     scanf("%s",air_num);
( j) H9 o- ?6 p/ v$ O2 x                      printf("Please input a name:");) x! Z8 O- M( l5 {1 ?
                     scanf("%s",name);! Y3 F- e9 p. P# J
                     book(air,air_num,cus,name);
  y4 ^3 i+ X7 \" I, [( p" a+ a/ |             }
6 Y7 [: i! Y/ i) V, U7 k             else2 n  O! N+ d! [* h9 y7 z4 q1 V& ]2 `! e
                  if(ch=='2')! T( t& b$ F; x( K
                  {
2 E1 m. L/ }4 k, G2 A                      printf("Please input the cancel name:");, J  o: z6 L6 ~4 [- U7 K0 z- b
                     scanf("%s",name);
+ \6 r3 d5 Z* |3 I2 y% D                      del_cus(cus,air,name);, {/ n# }. H: d4 f4 k
                  }
  h  A" d* m  v# `/ F                   else
: A) N/ v" d& `  B' R: Y                      if(ch=='3')  v% v7 m& j& R, C- f& c, q& `$ Q
                     {& ?/ O4 w' H$ w" Q; o  t8 G
                              search_air(air);. Q/ b& f( R* P7 l8 U! t
                              printf("\n");    9 I* W5 K2 [3 P" I2 ]
      search_cus(cus);# n7 F, ]/ s" O' v  L) \' e8 L  r# H
                     }7 G  e$ z' p% S/ ]
                     else$ h+ `9 y1 J; B0 r
                           if(ch=='4'); X# |$ B% w, V0 F
                           {
& M1 S/ f' E6 l* Z. X3 }                               t=0;+ l, \+ {( ?0 g; @2 C; y
                           }4 l7 T6 a3 B2 u4 h' p1 t( H
      }
+ a, ~5 s0 v. y( q- \4 X' N}, x' I4 L9 ]3 J  R8 ~! P
/*任务：通过此系统可以实现如下功能：/ e/ v- w- t5 [5 W+ E+ H6 s
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）6 }/ o+ R, K7 S! 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）；
/ H; J8 A' f) a# \. E可以输入起飞抵达城市，查询飞机航班情况；
+ }8 [# Y8 D4 N) o: L; q( @% T订票：（订票情况可以存在一个数据文件中，结构自己设定）1 C& q% q  u( O8 p: J- v: t/ B, J
可以订票，如果该航班已经无票，可以提供相关可选择航班；# M5 J. h5 a. ]" x& [7 v+ l
退票：可退票，退票后修改相关数据文件；! O- _6 ~. z: R
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。
$ d" b2 U2 ?8 f# D2 ^6 V. Q修改航班信息：当航班信息改变可以修改航班数据文件) ]) L/ |' C1 a
要求：/ x! v# S. M/ s0 D% s0 M9 r3 I
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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