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);6 {: k% R: s* p  u6 P$ S& T& Z
      return OK;
) S! e; E! z4 W# r3 K0 p1 ^}6 h. _4 T6 u9 ^4 Y8 g! A% Q
int creat_cus(customer **l)
) A2 g8 P, r8 I$ U/ X0 h) u* J{' x! ]9 o, C0 c* a6 t# L- d
      customer *p=*l;  J% z! r" U, J) g( K3 @
      int i=0;6 }9 k- N2 k, L! \; T
      char *name[3]={"zhsan","lisi","wangwu"};
! ^. C5 g2 N& A9 |       char *air_num[3]={"007af","008af","009af"};
* A. z- U% D) V+ m9 h       int seat_num[3]={2,5,7};# z8 G0 V, K2 X1 _8 A
      for(i=0;i<3;i++)! ]& a9 X1 P4 S2 X) O
      insert_cus(&p,name,air_num,seat_num);
5 U7 R$ `0 a3 }3 U: W: n& H  n& O       return OK;  o: ]8 B2 W5 T' d& ^; M! T! @: ^7 O
}
/ U4 }3 d; T4 C' Yvoid main()
7 F  d; A/ ]! E1 `# c* N4 @{9 F% @: H% X) f; |  k2 Z
      int t=1;9 X% F, b1 \: x. h, y
      customer *cus=start_cus();
; x6 _( Y( G0 {: @* f0 w       airline  *air=start_air();7 V4 v9 r( O  C9 C$ i
      char name[8],air_num[8],ch;
# J- e0 c. g1 m' l& p8 g       creat_air(&air);! Q9 V4 `, H2 g1 k& n& i
      creat_cus(&cus);+ {1 y9 ~( J- t6 b) c. [! N& {
      while(t==1)1 \! v( N/ \/ u# J7 L5 C3 W
      {) Y! x7 \' F% ^+ C5 p. x
            printf("\n");
0 _4 J4 r8 V7 ~3 }: l) q+ i3 V             printf("*********************************\n");
2 o! a; {, K: q             printf("*    Welcome to air firm!    *\n");/ o" c5 g0 d2 z  b
            printf("*       book--------1       *\n");; I  p& |  }; ^! Z6 a
            printf("*       cancel------2       *\n");
  c4 l. L) k1 @( _( _* f3 p             printf("*       search------3       *\n");* @4 H, f: H$ {
            printf("*       exit--------4       *\n");
" S7 C8 ^; o" y2 t: }8 E             printf("*********************************\n");
0 r- e! g, B$ M8 i# M) J# v: W! C             ch=getch();
$ V  ^+ A9 I' \* W* O# O             if(ch=='1')
$ ^/ @3 |' _( Y             {
! p% ~8 O. ]# K+ [) L: {                      printf("Please input a airline number:");% z$ z" Q7 O' y4 J- j
                     scanf("%s",air_num);# K; Y2 L& j( q1 A3 h2 t) N$ ?, Z
                     printf("Please input a name:");1 x$ W2 S, v; j- p2 V/ d
                     scanf("%s",name);, @6 E* `$ e( w5 W
                     book(air,air_num,cus,name);/ K+ o, _6 G1 z' O( |
            }
4 O6 S. o! n% x, m9 v             else$ d. _0 u( L- V" h4 i
                  if(ch=='2')
6 f! S) ]" i3 i9 {* q                   {
4 h% X' b* I! t, N; I; y, b0 i                      printf("Please input the cancel name:");; k* F8 f! m( W& m$ E
                     scanf("%s",name);3 ]- X& s: a, `! `( B1 r
                     del_cus(cus,air,name);" e2 u! _3 {6 W# S
                  }
" J# j/ ~5 B8 D- S                   else
/ Y2 Q$ C# C: @* d. h                      if(ch=='3')
9 x, C, s! x  p                      {/ x& r0 A. g' C: x( n0 L
                              search_air(air);
2 t, ~8 N! s+ l                               printf("\n");    ' s- }: W4 J8 e  {! `! C% \. y" L
      search_cus(cus);$ F9 t1 h4 c, F, z
                     }
% T4 o! H( G# ^) H7 |: M                      else' }! |. w1 k$ D8 p. \% i/ @
                           if(ch=='4')$ [3 ~! _2 _: m
                           {
, F# q2 E' B" W; H) x+ T) g: e% O                               t=0;
$ R) U3 t- K, b; y$ v                            }
. S# N  Z9 i( k8 D       }* _. i& v4 s( }' t5 y
}. P* ~. x( b0 F; D& Y: Q$ L9 g
/*任务：通过此系统可以实现如下功能：$ q3 H8 ]" I& z# i$ Q* i) 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）% X# \! p7 [6 h/ p6 F! r
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）；! T" _# j4 R$ G3 n; m2 {$ \9 ?; T) M' [
可以输入起飞抵达城市，查询飞机航班情况；0 z' T( s" y- B9 E4 M- N
订票：（订票情况可以存在一个数据文件中，结构自己设定）
. z( ?+ [! i( U( E( d' ^# a可以订票，如果该航班已经无票，可以提供相关可选择航班；1 J" y" X) l( ~4 q- x
退票：可退票，退票后修改相关数据文件；
  y+ N7 W# g% c. [- ?1 X& D0 ^2 |( t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。
. |) F0 w5 X! u6 A5 }修改航班信息：当航班信息改变可以修改航班数据文件
$ A6 s' {- j+ a5 |, r0 O要求：
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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