航班输入.cpp

这是一个飞机订票系统 用VC++写的 可用于一般课程设计

#include<stdio.h>
#include<stdio.h>  
#include<string.h>    
#include<stdlib.h>   

struct flight        
{
 char num[20];
 char startcity[20];
 char arrivecity[20];
 char starttime[20];
 char arrivetime[20];
 float price;
 int totaltickets,left;
 float discount;
 struct flight *next;
};

struct person
{char name[30][20];
 char ID[30][30];
 int tickets[30];
 char ticketsid[30];
 struct person *next;
};

struct flight *first,*p,*q;
struct person *first1,*j,*k;
int m=0;
void input();
void save();

void input()
{int i,y;
 printf("请依次输入航班信息,完成输入信息后请按照提示键入0以回车键结束\n");      
 first=(struct flight*)malloc(sizeof(struct flight));
 first1=(struct person*)malloc(sizeof(struct person));
 p=first; 
 j=first1;
 for(i=0;i<30;i++)
 { q=(struct flight*)malloc(sizeof(struct flight));
   k=(struct person*)malloc(sizeof(struct person));
   printf("请输入航班号: ");  
   scanf("%s",p->num);     
   printf("请输入起始城市: ");
      scanf("%s",p->startcity);
   printf("请输入抵达城市: ");
      scanf("%s",p->arrivecity);
   printf("请输入起始时间: ");
      scanf("%s",p->starttime);
   printf("请输入到达时间: ");
      scanf("%s",p->arrivetime);  
   printf("请输入机票价格: ");
	  scanf("%d",&p->price); 
  printf("请输入机票折扣: ");	  
      scanf("%d",&p->discount);  	  
  printf("请输入总的机票数（机票数为0结束输入）: ");
      scanf("%d",&p->totaltickets);
	  p->left=p->totaltickets;
  p->next=q;  
  p=p->next;   
  j->next=k;  
  j=j->next;
   m++;
   printf("第%d个信息已经输完是否继续?按任意键继续，按0结束",m);
   scanf("%d",&y);
   if(y==0) break;
  } 
 save();
}

void save()
{int i;   
 FILE *fp,*fp1,*fp2;
 if((fp=fopen("f:\\flight.txt","wb+"))==NULL)
 {
  printf("创建文件失败! ");
  getchar();
  exit(0);
 }
 if((fp1=fopen("f:\\person.txt","wb+"))==NULL)
 {
  printf("创建文件失败! ");
  getchar();
  exit(0);
 }
 
 if((fp2=fopen("f:\\m.txt","wb+"))==NULL)
 {
  printf("创建文件失败! ");
  getchar();
  exit(0);
 }
 p=first; 
 j=first1;
 for(i=0;i<m;i++)
 { 
  fwrite(p,sizeof(struct flight),1,fp); 
  fwrite(j,sizeof(struct person),1,fp1);
    
  p=p->next; 
  j=j->next;
 }
 fwrite(&m,sizeof(int),1,fp2);  
 fclose(fp);
 fclose(fp1);
 fclose(fp2);
}


void main()
{printf("请输入航班初始数据建立航班信息数据库：\n");
 input();
};