有没有大 佬解释一下啊,这是我打的ATM取款机的程序
#include<iostream>
#include<string>
using namespace std;
struct user
{
string name;
int ID;
int passport;
int money=0;
};
struct user a[1000];
void zhuce()//注册
{
cout << "输入你要注册的10位ID" << endl;
int iid; cin >> iid;
a[iid].ID = iid;
cout << "输入你要注册的密码" << endl;
int iid1; cin >> iid1;
a[iid].passport = iid1;
cout << "输入您的名字" << endl;
string iid2; cin >> iid2;
a[iid].name = iid2;
}
void show()//显示用户信息
{
cout << "输入ID" << endl;
int id;
cin >> id;
flag1:
cout << "输入密码" << endl;
int m;
cin >> m;
if (m == a[id].passport)
{
cout << "欢迎使用" << endl;
cout << "ID:" << a[id].ID
<< "\nMONEY:" << a[id].money << endl;
}
else
{
cout << "error" << endl;
goto flag1;
}
}
void change1()//修改密码
{
cout << "输入ID" << endl;
int id;
cin >> id;
flag1:
cout << "输入密码" << endl;
int m;
cin >> m;
if (m == a[id].passport)
{
cout << "欢迎使用" << endl;
flag2:
cout << "输入密码" << endl;
int m;
cin >> m;
if (m == a[id].passport)
{
cout << "输入新密码" << endl;
int nm;
cin >> nm;
a[id].passport = nm;
}
else
{
cout << "error" << endl;
goto flag2;
}
}
else
{
cout << "error" << endl;
goto flag1;
}
}
void cun()//存款
{
cout << "输入ID" << endl;
int id;
cin >> id;
flag1:
cout << "输入密码" << endl;
int m;
cin >> m;
if (m == a[id].passport)
{
cout << "欢迎使用" << endl;
cout << "ID:" << a[id].ID
<< "\nMONEY:" << a[id].money << endl;
cout << "请输入存款金额" << endl;
int nm; cin >> nm;
a[id].money += nm;
}
else
{
cout << "error" << endl;
goto flag1;
}
}
void ti()//提款
{
cout << "输入ID" << endl;
int id;
cin >> id;
flag1:
cout << "输入密码" << endl;
int m;
cin >> m;
if (m == a[id].passport)
{
cout << "欢迎使用" << endl;
cout << "ID:" << a[id].ID
<< "\nMONEY:" << a[id].money << endl;
cout << "请输入存款金额" << endl;
int nm1; cin >> nm1;
a[id].money -= nm1;
}
else
{
cout << "error" << endl;
goto flag1;
}
}
int main()
{
int a;
while (1)
{
cout << "****ATM system****" << endl
<< "****1.查询账户****" << endl
<< "****2.修改密码****" << endl
<< "******3.存款******" << endl
<< "******4.取款******" << endl
<< "****5.注册账户****" << endl
<< "****0.退出系统****" << endl;
cin >> a;
switch (a)
{
case 1:
void show();
case 2:
void change1();
case 3:
void cun();
case 4:
void ti();
case 5:
void zhuce();
case 0:
goto flag;//退出
default:
break;
}
system("cls");
}
flag:
cout << "Thank you for using";
return 0;
}