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);0 ^: _  X! S9 O8 J- O: X% S0 m2 w
      return OK;
$ O- L0 d  \; H5 r3 F; v}
6 W, L' ~! s2 _) ], o1 ?' b  ?" \int creat_cus(customer **l)& F- ^4 h9 W  [4 o4 B* r
{
1 ^, u9 q) Q* r: ?& ^6 d  _       customer *p=*l;
7 W) l. ]3 b0 W5 E" X( B       int i=0;3 b) h( v- G7 H" B" h( C
      char *name[3]={"zhsan","lisi","wangwu"};$ ~7 s, C, c3 x, {" R" ?/ l
      char *air_num[3]={"007af","008af","009af"};
. f! e/ F# C5 H# A+ P) ]7 z) o       int seat_num[3]={2,5,7};
& t9 r( ?# O# e2 E3 @9 m. E       for(i=0;i<3;i++)3 e7 n8 V! E% R; @7 c
      insert_cus(&p,name,air_num,seat_num);
3 z* P* i3 y2 A- H       return OK;0 y  T* {$ ^" U# ?  u. m
}
1 n5 m! x$ A- t" ?7 G/ Yvoid main()9 i) j( [; a& V( d- S' e
{1 X1 {! H% a0 u+ O! H
      int t=1;3 D" U/ H, j' J* q3 m% X
      customer *cus=start_cus();/ a. M9 w$ `8 t: p# x6 \2 j2 U/ {
      airline  *air=start_air();! T3 }& C& M9 B
      char name[8],air_num[8],ch;
0 L, W: T! c9 x       creat_air(&air);
4 @% r5 U  {5 ?" L       creat_cus(&cus);7 x+ w5 n- U4 Z3 m( Y" c/ y; e
      while(t==1)' h0 e& i# r" R3 g1 A1 }& t# `
      {+ @2 _! m4 m/ ]: o9 v! l& J: h8 k
            printf("\n");, H2 o& r. D, S. F% t" J0 b, h/ {
            printf("*********************************\n");
1 A2 v: t' l( s8 i             printf("*    Welcome to air firm!    *\n");! \8 Q3 r3 m4 b* j7 ?% P1 y
            printf("*       book--------1       *\n");' k, M% k0 R8 ~0 ]# U) F
            printf("*       cancel------2       *\n");
9 k7 M5 ^; F9 x9 I: _" z3 _             printf("*       search------3       *\n");
' s7 g2 U( f3 P5 _  x7 t! U5 F             printf("*       exit--------4       *\n");
2 e, T& \5 x; Y/ U             printf("*********************************\n");
/ l+ n2 W2 v- p             ch=getch();
1 L" f9 {3 ?; w1 i4 P' l             if(ch=='1')2 d2 ?8 T8 L  r8 R( C% |
            {9 t% n% U$ V8 }' d
                     printf("Please input a airline number:");
) O( E* a+ o0 p# f7 y                      scanf("%s",air_num);
. V% |3 ]2 w3 n* e* _                      printf("Please input a name:");
3 V: G2 {" R' U                      scanf("%s",name);
1 R) @, W5 f0 s8 R0 H: f                      book(air,air_num,cus,name);* `! K3 c# j6 o6 n
            }
            else* z. c$ H3 G1 B
                  if(ch=='2')
0 n; b  ^% H! o3 R3 @: M                   {
% |4 l9 d- B7 G& p( L1 j# _                      printf("Please input the cancel name:");
7 A" |! }, r0 G- w                      scanf("%s",name);
, k$ G% i9 ~6 r0 Q                      del_cus(cus,air,name);
0 E+ R/ ~5 F. _: ^+ Y" j6 W                   }
" r9 D( ^7 a% i3 w9 ]                   else
8 s7 s$ D1 J$ C7 X9 D2 j                      if(ch=='3')" y. \* p% k  o$ g) I* H3 H2 z
                     {
) w5 b: L# ~) x- v9 r                               search_air(air);  C) s( Q$ P* {4 l% H! p/ k0 j
                              printf("\n");    5 S) ?+ y+ O# [1 |; T# n/ E
      search_cus(cus);
+ l4 T4 {2 X7 j8 K& J                      }
  K, V) Z( K0 J                      else7 d! u. y4 A, |) O/ t% `$ w1 g/ j
                           if(ch=='4')$ t. [3 D5 V3 w" R
                           {
  r: P8 E5 Z" _) m& L                               t=0;3 C5 H) L0 I  e8 z( [" I- q* F2 K
                           }
4 l/ `- ]2 S1 p8 F       }# r+ y# p+ k# w; l! e
}# Z: V+ V/ C" z
/*任务：通过此系统可以实现如下功能：6 o' b& `1 ?4 K( T3 u) b5 |% U
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）
3 s: O) c3 Q: b$ l  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）；, C' Y. k- r+ S% y, s; D% L
可以输入起飞抵达城市，查询飞机航班情况；$ e- d: w7 {: T$ @% `# |
订票：（订票情况可以存在一个数据文件中，结构自己设定）
2 E* w  h% @6 |* d" {& g可以订票，如果该航班已经无票，可以提供相关可选择航班；
' v- }- ^' D: S! t. ^退票：可退票，退票后修改相关数据文件；
8 f5 @, k' c) A. c4 l* X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。
3 x3 e3 ]9 x4 d1 k& U# V修改航班信息：当航班信息改变可以修改航班数据文件
: _1 W! e- b' ]3 B5 O- s, o要求：
' v+ ?  p2 e" Q9 C/ `# 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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