银行ATM机工作流程模拟编程（代码）

最新推荐文章于 2021-01-18 11:44:51 发布

weixin_30510153

最新推荐文章于 2021-01-18 11:44:51 发布

阅读量284

点赞数

CC 4.0 BY-SA版权

文章标签： c#

原文链接：http://www.cnblogs.com/mzct123/p/4822895.html

本文介绍了一个基于ATM自动取款机系统的实现，包括登录、查询、取款、存款、修改密码等功能。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

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

void denglu(struct people *head,struct people *p);
void jiemian(struct people *head,struct people *p);
void chaxun(struct people *head,struct people *p);
void qukuan(struct people *head,struct people *p);
void cunkuan(struct people *head,struct people *p);
void xiugai(struct people *head,struct people *p);
void tuika(struct people *head,struct people *p);
void xinxi(struct people *head,struct people *p);

struct people
{
   char name[10];
   char account[20];
   char password[10];
   float money;
   struct people*next;
};

void main()
{
   int i,z,a,t=0;
   char account[20],password[10],ch;
   struct people *head,*p;
   FILE *fp=fopen("1.txt","r");
   head=NULL;

   if(fp==NULL){printf("系统出错");return 1;}
   for(i=0;i<5;i++)
   {
       p=(struct people*)malloc(sizeof(struct people));
       fscanf(fp,"%s%s%s%f",p->name,p->account,p->password,&(p->money));
       p->next=head;
       head=p;
   }
   fclose(fp);
   printf("***********欢迎使用ATM自动取款机***********\n");
   printf("*******************************************\n");
   denglu(head,p);

}

void denglu(struct people *head,struct people *p)
{
   int a;
   char account[20];
   int i=0,t=0;
   char password[10],ch;
   printf("请输入卡号：");
   scanf("%s",account);
   //scanf("account:%s\npassword:",account);
   for(a=0;a<5;a++)
   {
       if(strcmp(account,p->account)==0)
       {

           printf("请输入密码：");
            while(1)
           {
                 while((ch=getch())!='\r')
               {
                    password[i++]=ch;
                   putchar('*');
               }
                 password[i]='\0';
                 t++;
                 if(strcmp(password,p->password)==0)
               {
                   system("cls");
                     printf("\n欢迎使用本系统!\n");
                     jiemian(head,p);
                     break;
               }
                 else
               {
                     if(t<3)
                   {
                       printf("\n密码错误,请重新输入:");
                       i=0;
                   }
                     else
                   {
                            printf("\n对不起,你无权使用本系统! 退出系统!\n");
                           for(i=0;i<1000000000;i++);
                           system("cls");
                           main();
                   }
               }
           }


       }
       else p=p->next;

   }
}

void jiemian(struct people *head,struct people *p)
{
   int z;
   printf("1-----------个人信息\n");
   printf("2-----------查询余额\n");
   printf("3---------------取款\n");
   printf("4---------------存款\n");
   printf("5-----------修改密码\n");
   printf("0---------------退卡\n");
   while(1)
   {
       printf("\n请输入序号：");
       scanf("%d",&z);
       switch(z)
       {
       case 1:system("cls");xinxi(head,p);break;
        case 2:system("cls");chaxun(head,p);break;
       case 3:system("cls");qukuan(head,p);break;
        case 4:system("cls");cunkuan(head,p);break;
       case 5:system("cls");xiugai(head,p);break;
       case 0:system("cls");tuika(head,p);break;
       default:printf("操作序号不合法！！！");
       return ;
       }
   }
}

void xinxi(struct people *head,struct people *p)
{
   char gg;
   printf("***********************************************\n");
   printf("            用户名：%s\n",p->name);
   printf("              帐号：%s\n",p->account);
   printf("***********************************************\n");
   printf("按任意键返回菜单，按N键退卡！\n");
   if(gg=getch()=='n')
   {system("cls");tuika(head,p);}
   else
   {system("cls");jiemian(head,p);}
}

void chaxun(struct people *head,struct people *p)
{
   char gg;
   printf("余额：%7.2f元\n",p->money);
   printf("按任意键返回菜单，按N键退卡！\n");
   if(gg=getch()=='n')
   {system("cls");tuika(head,p);}
   else
   {system("cls");jiemian(head,p);}
}

void qukuan(struct people *head,struct people *p)
{
   char gg;
   float a;
   struct people *f;
   FILE *fp=fopen("1.txt","w+");
   printf("请输入取款金额：");
   scanf("%f",&a);
   if(a>p->money)
       printf("余额不足！");
   else
   {
       printf("成功取款%7.2f元\n",a);
       p->money=p->money-a;
           f=head;
           while(f!=NULL)
           {
               fprintf(fp,"%s\t%s\t%s\t%f\n",f->name,f->account,f->password,p->money);
               f=f->next;
           }
            fclose(fp);
   }
   printf("按任意键返回菜单，按N键退卡！\n");
   if(gg=getch()=='n')
   {system("cls");tuika(head,p);}
   else
   {system("cls");jiemian(head,p);}

}

void cunkuan(struct people *head,struct people *p)
{
   char gg;
   float a;
   struct people *f;
   FILE *fp=fopen("1.txt","w+");
   printf("请输入存款金额：");
   scanf("%f",&a);
       printf("成功存款%7.2f元\n",a);
       p->money=p->money+a;
           f=head;
           while(f!=NULL)
           {
               fprintf(fp,"%s\t%s\t%s\t%f\n",f->name,f->account,f->password,f->money);
               f=f->next;
           }
            fclose(fp);
   printf("按任意键返回菜单，按N键退卡！\n");
   if(gg=getch()=='n')
   {system("cls");tuika(head,p);}
   else
   {system("cls");jiemian(head,p);}

}

void xiugai(struct people *head,struct people *p)
{
   char gg;
   char a[10],b[10],c[10];
   struct people *f;
   FILE *fp=fopen("1.txt","w+");
   printf("请输入原密码：");
   scanf("%s",a);
   if(strcmp(a,p->password)==0)
   {
       printf("请输入新密码：");
       scanf("%s",b);
       printf("请再次输入新密码：");
       scanf("%s",c);
       if(strcmp(b,c)==0)
       {
           printf("密码修改成功！\n");
           strcpy(p->password,b);

           f=head;
           while(f!=NULL)
           {
               fprintf(fp,"%s\t%s\t%s\t%f\n",f->name,f->account,f->password,f->money);
               f=f->next;
           }
            fclose(fp);
       }
       else
           printf("两次输入不同！\n");

   }
   else
   {
       printf("原密码输入错误！\n");
   }

   printf("按任意键返回菜单，按N键退卡！\n");
   if(gg=getch()=='n')
       {system("cls");tuika(head,p);}
   else
   {system("cls");jiemian(head,p);}
}

void tuika(struct people *head,struct people *p)
{
   int i ;
   printf("请取回您的磁卡");
   for(i=0;i<1000000000;i++);
   system("cls");
    main();
}