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);
- w8 A* U$ z4 N7 y5 ]- G       return OK;
% ^' z8 A7 s5 p3 C}
( }1 u' U8 T! y; b0 ]int creat_cus(customer **l)
' w! a( [' I3 L4 r3 Y+ K{' L+ C4 K: I2 c9 Y
      customer *p=*l;
5 `# H" F6 ]" l7 T       int i=0;7 o  v$ h) `4 f
      char *name[3]={"zhsan","lisi","wangwu"};
. e; @' d8 T' P       char *air_num[3]={"007af","008af","009af"};
; s+ h! K- l/ {% V: D       int seat_num[3]={2,5,7};
, m9 c+ u; a' B. Q       for(i=0;i<3;i++)0 T* L* ^7 q4 U, `( q3 @
      insert_cus(&p,name,air_num,seat_num);
. W" R& B# w( ]/ }- z4 n0 g: p       return OK;' e; D; u' V9 g2 U) J! ^
}
# ]& ?# D6 a- {6 X* j! uvoid main()5 p* E7 X: Y2 V3 H; i3 A7 w8 H1 d
{
( ^. o* H/ b5 a7 {# c1 L7 Q. x       int t=1;
2 j5 m3 j3 y+ a, Y. D       customer *cus=start_cus();
- {7 p2 p) B# j+ T4 q       airline  *air=start_air();, a  c( N) u+ ?3 V
      char name[8],air_num[8],ch;! V  u" l' V+ x1 s, @2 _- n
      creat_air(&air);
6 `9 R& e9 ~( ?       creat_cus(&cus);
6 G# [' H' ^/ h8 j6 p7 W% ?. b       while(t==1)
  k: [8 ~  e& j& t' ~$ \       {; X5 J# l' W1 N2 D9 d) m) B+ A
            printf("\n");% O2 V5 F% {0 f1 o1 I, m
            printf("*********************************\n");2 x2 G$ [2 |1 \  A: ~& K
            printf("*    Welcome to air firm!    *\n");* w3 m& S$ C- m  V* b3 I- p* `1 u
            printf("*       book--------1       *\n");) k' l+ j1 e7 c5 J$ @) k
            printf("*       cancel------2       *\n");1 t1 ~: i# |" o  Y* @9 I
            printf("*       search------3       *\n");0 f1 r  W1 S' a6 [$ D+ \
            printf("*       exit--------4       *\n");
+ |0 Z5 T- f. ?+ R& j! ^$ D( S/ O             printf("*********************************\n");6 e' G' b) X6 n: _, d
            ch=getch();
2 I  J: c3 [9 v- n             if(ch=='1')# b/ w/ U0 V+ ?5 s
            {
( q  g2 r. Q$ A" K( |* k9 l! D! ]                      printf("Please input a airline number:");8 C. j9 y' a  S( p
                     scanf("%s",air_num);
7 a+ g7 y6 P% k7 g1 l9 o                      printf("Please input a name:");
4 u5 x! S* V! C                      scanf("%s",name);3 v" V+ f& A- f  |  Y1 s4 c
                     book(air,air_num,cus,name);
  d+ L, J$ @) _; h: c& }             }
% O1 M! f6 k1 Y* h8 a  b! S             else# ]. u4 K1 L! H, u5 J" d
                  if(ch=='2')
5 a. T% ^1 R( V. w" z0 C                   {* G" A1 n% B: Y5 B
                     printf("Please input the cancel name:");
+ l# _9 E! e$ `7 z6 x* U4 U                      scanf("%s",name);  U' G0 S" c8 U2 \0 y! P
                     del_cus(cus,air,name);
5 h: A4 |3 [: B  p, q5 z                   }
+ T' U' t3 _6 O0 [- ?! `* S                   else
9 ]1 E: \1 R' W                      if(ch=='3')$ }* ~* k" V+ n
                     {
$ J& W/ P, ^. ~: m  M. {- Q                               search_air(air);
" E  J# E, y% e                               printf("\n");
3 X2 ~" R7 s( |1 m4 }       search_cus(cus);
& @) G9 t- Y7 E6 N- N$ U- g                      }5 L+ x" y% a& ?' d$ q( v- x
                     else
+ b4 D: ?/ N4 a  J  l$ N                            if(ch=='4')7 k4 h; E7 Y/ A( Y# ?" }. C
                           {" c, l) K/ K' O4 R6 C  j3 t
                              t=0;1 s" }! _& K& u8 E
                           }  q. }4 Y3 }/ m; B) R
      }
+ F& r' L$ T6 ?# @, t  G}
) d  q. r* l+ W+ Q$ ~& J/*任务：通过此系统可以实现如下功能：5 ]; K  u- Z! u" i) P8 T
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）
" q+ k0 f  U3 K$ @% b5 l, T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）；
. j) a- f% E4 N: A可以输入起飞抵达城市，查询飞机航班情况；1 h0 p, \! D% R: g6 n2 h6 h
订票：（订票情况可以存在一个数据文件中，结构自己设定）: m1 [& c, g7 O8 C0 h5 n+ |
可以订票，如果该航班已经无票，可以提供相关可选择航班；
0 n4 y* A& O9 j5 b7 _6 ~退票：可退票，退票后修改相关数据文件；  h" s2 i) r, m3 C
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。
* X0 F  Y' ]' q3 c8 A% A9 T修改航班信息：当航班信息改变可以修改航班数据文件
& r' C  H+ P8 _: M; A, Z0 t要求：& C) z  [, ~! Q3 k! T# K# n* p9 ?
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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