C++ ATM机大作业 文件写入报错
build函数报错，代码未编完，我只是想试试刚刚编的一部分（build和log_in）能不能用，我贴图，问的比较仓促，不清楚的我可以详细解释我的问题。
程序代码：#include <iostream>
#include<string>
#include<string.h>
#include<stdlib.h>
#include<fstream>
#include<stdio.h>
using namespace std;
class ATM
{
public:
void build(); //建立账户
int log_in(); //登录账户
void deposit(); //存款
void withdrawal(); //取款
void balance_enquiry(); //余额查询
void interest(); //利率计算
ATM(string acc,string pas,string nam,char g,string addr,string pho,string id,double s):
account(acc),password(pas),name(nam),gender(g),address(addr),phone(pho),ID_num(id),sum(s) {}
protected:
string account;
string password;
string name;
char gender;
string address;
string phone;
string ID_num;
double sum;
};
void ATM::build() //新建账户
{
cout<<"!!!";
int flag=1;
ofstream outfile_account("d0.dat"),outfile_password("d1.dat");
ofstream outfile_name("d2.dat"),outfile_gender("d3.dat");
ofstream outfile_address("d4.dat"),outfile_phone("d5.dat");
ofstream outfile_idnum("d6.dat"),outfile_sum("d7.dat");
cout<<"@@@";
if(!outfile_account) {cerr<<"open d0.dat error"<<endl;
exit(1);}
if(!outfile_password) {cerr<<"open d1.dat error"<<endl;
exit(1);}
if(!outfile_name) {cerr<<"open d2.dat error"<<endl;
exit(1);}
if(!outfile_gender) {cerr<<"open d3.dat error"<<endl;
exit(1);}
if(!outfile_address) {cerr<<"open d4.dat error"<<endl;
exit(1);}
if(!outfile_phone) {cerr<<"open d5.dat error"<<endl;
exit(1);}
if(!outfile_idnum) {cerr<<"open d6.dat error"<<endl;
exit(1);}
if(!outfile_sum) {cerr<<"open d7.dat error"<<endl;
exit(1);}
cout<<"&&&";
typedef struct user
{
string account;
string password;
string name;
char gender;
string address;
string phone;
string ID_num;
double sum;
}USER;
USER users[30]={0};
for(int i=0;flag==1;i++)
{cout<<"请输入要创建的银行卡账号：";
cin>>users[i].account; outfile_account<<users[i].account<<" ";
cout<<"请输入要创建的银行卡密码：";
cin>>users[i].password; outfile_password<<users[i].password<<" ";
cout<<"请输入您的姓名：";
cin>>users[i].name; outfile_name<<users[i].name<<" ";
cout<<"请输入您的性别：";
cin>>users[i].gender; outfile_gender<<users[i].gender<<" ";
cout<<"请输入您的现住址：";
cin>>users[i].address; outfile_address<<users[i].address<<" ";
cout<<"请输入您的电话或手机号码：";
cin>>users[i].phone; outfile_phone<<users[i].phone<<" ";
cout<<"请输入您的身份证号：";
cin>>users[i].ID_num; outfile_idnum<<users[i].ID_num<<" ";
users[i].sum=0;
outfile_sum<<users[i].sum<<" ";
}
}
int ATM::log_in() //输入账号和密码对应后登录成功，最多尝试输入3次
{
string account1="0" , password1;
ifstream infile_account ("d0.dat",ios::in),infile_password("d1.dat",ios::in);
int n=3,flag=1,m;
cout<<"请输入银行账户的账号：";
cin>>account;
for(int i=0;i<9999 ;i++) // !!!!!!!!!!!!!!!缺少条件
{
infile_account>>account1;
if(account1==account)
{
m=i;
flag--;
break;
}
}
if(flag==1) cout<<"无此账号",exit(1);
if(flag==0) cout<<"下一步，";
for(; n>=0;)
{
cout<<"请输入密码：";
cin>>password;
infile_password>>password1;
if(password==password1)
{
cout<<"登录成功"<<endl;
break;
}
else
{
cout<<"账号与密码不匹配，你还有"<<n<<"次尝试次数"<<endl;
n--;
if(n<0)
{
cout<<"次数用尽"<<endl;
return 0;
}
}
}
}
void ATM::deposit()
{
int add;
cout<<"请输入要存入ATM机的钱数（仅支持人民币的面额为100元，即输入整百的数字）：";
cin>>add;
sum=sum+add;
}
void ATM::withdrawal()
{
int add;
cout<<"请输入要取出ATM机的钱数（仅支持人民币的面额为100元，即输入整百的数字）：";
cin>>add;
sum=sum-add;
}
void ATM::balance_enquiry()
{
cout<<"您的余额为："<<sum<<"元"<<endl;
}
void ATM::interest()
{
int a,income;
double in,time;
cout<<"0.返回"<<endl;
cout<<"1.活期存款-0.35%"<<endl;
cout<<"2.定期存款三个月-1.10%"<<endl;
cout<<"3.定期存款半年-1.30%"<<endl;
cout<<"4.定期存款一年-1.50%"<<endl;
cout<<"5.定期存款二年-2.10%"<<endl;
cout<<"6.定期存款三年-2.75%"<<"\n"<<endl;
cout<<"请选择存款类型"<<endl;
cin>>a;
switch(a){
case 0 :in=0;break;
case 1: in=0.0035;break;
case 2: in=0.011,time=0.25;break;
case 3: in=0.013,time=0.5;break;
case 4: in=0.015,time=1;break;
case 5: in=0.021,time=2;break;
case 6: in=0.0275,time=3;break;
}
cout<<"请输入存入钱数：";
cin>>income;
if(in==0) ;
else cout<<"可获利息"<<income*in*time<<"元"<<endl;
}
int main()
{
ATM a1("1","1","1",'1',"1","1","1",1);
a1.build();
a1.log_in();
return 0;
}[local]2[/local]
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