一次性使用的小ATM（笑趴

来源：互联网发布：混沌战域翅膀进阶数据编辑：程序博客网时间：2024/04/30 03:46

#include<stdio.h>

#include<conio.h>
#include<iostream>

using namespace std;

//保存多个不同类型的数据
struct users //自定义的数据类型
{
int id; //卡号
char name[10];
int pwd; //密码
float balance;//余额
} user[20]; //表格 20H 4L

//保存账户的数目
int count = 0;
void createUser()
{
int i=0;
char num[6],ch;
cout<<"请输入要开几个账户：\n";
cin>>count;
for(i=0; i<count; i++)
{
user[i].id=1000+(i+1);
cout<<"\n请输入用户的姓名：\n";
cin>>user[i].name;
cout<<"请输入账户的密码：\n";
int m=0;
while(true)
{
ch=getch();
if(m>5&&ch!='\r')
{
printf("多于六位啦,,输入回车确定\n");
}
else if(ch>='0'&&ch<='9')
{
num[m]=ch;
m++;
putchar('*');
}
else if(ch=='\r')
{
user[i].pwd=(num[0]-'0')*100000+(num[1]-'0')*10000+(num[2]-'0')*1000+(num[3]-'0')*100+(num[4]-'0')*10+(num[5]-'0');
break;
}

}
user[i].balance=0.0f;
}
cout<<"\n"<<"开户成功！"<<endl;
}

void showInfo()
{
if(count==0)
{
cout<<"请先开户！\n";
}
else
{
int i;
cout<<"请输入要查询的账户：\n";
int id=0,m=0;
cin>>id;
for(i=0; i<count; i++)
{
if(id==user[i].id)
{
int q=3;
while(q!=0)
{
cout<<"请输入该账户的密码："<<endl;
int pwd=0;
cin>>pwd;
if(user[i].pwd==pwd)
{
cout<<"\n\t账号\t姓名\t余额\n";
printf("\t%d\t%s\t%.2f\n",user[i].id,user[i].name,user[i].balance);
break;
}
else
{
q--;
printf("密码错误，您还有%d次机会！\n",q);
continue;
}
}
break;
}
}
if(i>=count)
{
cout<<"账户不存在！"<<endl;
}

}
}
void savemoney()
{

if(count==0)
{
cout<<"请先开户！"<<endl;;
}
else
{
cout<<"请输入您要存钱的账户:"<<endl;
int key,money;
cin>>key;
for(int i=0; i<count; i++)
{
if(key==user[i].id)
{
cout<<"请输入您要往此账户存的金额："<<endl;
cin>>money;
user[i].balance+=money;
cout<<"存钱成功！"<<endl;
cout<<"此账户内目前有金额："<<user[i].balance<<endl;
}
}
}
}
void drawmoney()
{

if(count==0)
{
cout<<"请先开户！"<<endl;;
}
else
{
cout<<"请输入您要取钱的账户:"<<endl;
int key,money,mima,i;
cin>>key;
for(i=0; i<count; i++)
{
if(key==user[i].id)
{
int q=3;
while(q!=0)
{
cout<<"请输入该账户的密码："<<endl;
cin>>mima;
if(user[i].pwd==mima)
{
cout<<"请输入您准备取的金额："<<endl;
cin>>money;
if(user[i].balance-money<0)
{
cout<<"sorry! money不足！"<<endl;
break;
}
else
{
user[i].balance-=money;
cout<<"取钱成功！"<<endl;
cout<<"此账户内目前剩余金额："<<user[i].balance<<endl;
break;
}

}
else
{
q--;
cout<<"密码错误，您还有"<<q<<"次机会！\n"<<endl;
continue;
}
}
break;
}
}
if(i>=count)
{
cout<<"账户不存在"<<endl;
}
}
}
void transferaccounts()
{
if(count==0)
{
cout<<"请先开户！"<<endl;;
}
else
{
int key1,mima=0,key2,money;
cout<<"请输入您要登陆的账户名："<<endl;
cin>>key1;
int b=0;
for(int i=0; i<count; i++)
{
if(key1==user[i].id)
{
int q=3;
while(q!=0)
{
cout<<"请输入该账户的密码："<<endl;
cin>>mima;
if(user[i].pwd==mima)
{
cout<<"该账户目前剩余"<<user[i].balance<<"金额"<<endl;
cout<<"请输入您准备转账的账户："<<endl;
cin>>key2;
int a=0,j;
for( j=0; j<count; j++)
{
if(key2==user[j].id)
{
cout<<"请输入你转账的金额："<<endl;
cin>>money;
if(user[i].balance-money>=0)
{
user[i].balance-=money;
user[j].balance+=money;
printf("您当前剩余%.2f金额且已经转账成功！\n",user[i].balance);
break;
}
else if(user[i].balance-money<0)
{

cout<<"sorry,money不足！"<<endl;
break;
}
}
}
if(j>=count)
{
cout<<"账户不存在！"<<endl;
}
q=0;
}
else
{
q--;
cout<<"密码错误，您还有"<<q<<"次机会！\n"<<endl;
continue;
}
}
break;
}
}
}
}
void showMain()
{
cout<<"\n\t====欢迎使用银行ATM系统===="<<endl;
cout<<"\n\t1.开户"<<endl;
cout<<"\n\t2.存钱"<<endl;
cout<<"\n\t3.取钱"<<endl;
cout<<"\n\t4.查询"<<endl;
cout<<"\n\t5.转账"<<endl;
cout<<"\n\t0.退出"<<endl;
}

int main()
{
while(true)
{
showMain();
int choose=0;
cin>>choose;
if(choose==1)
{
createUser();
}
if(choose==2)
{
savemoney();
}
if(choose==3)
{
drawmoney();
}
if(choose==4)
{
showInfo();
}
if(choose==5)
{
transferaccounts();
}
if(choose==0)
{
break;
};
}
}

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