Programming an ATM in C++.
- Welcome message and prompt the user to enter a correct password (otherwise they will not proceed further)
- Possibilities once logged in: Open a new account, Delete account, Modify account, Transaction, View account, List of accounts and Exit.
- After performing desired transaction by the user, it will take the user to the menu screen.
#include<time.h>
#include<fstream.h>
#include<iostream.h>
#include<conio.h>
#include<ctype.h>
#include<process.h>
#include<iomanip.h>
#include<stdio.h>
#include<string.h>
#include<dos.h>
#include<stdlib.h>
void welcome_screen();
void welcome_screen()
{
clrscr();
gotoxy(20,10);
cputs("**************** W E L C O M E ****************");
gotoxy(25,12);
cputs("*** T O S W I F T B A N K A T M *** " );
gotoxy(23,14);
gotoxy(25,25);
textcolor(BLACK+BLINK);
cputs(" *** PRESS ANY KEY TO CONTINUE ***");
getch();
return;
}
class atm
{
public:
long ini;
int money;
int mon;
int record;
long ph1;
char address[50];
char name_ver[50];
char name[20];
void modification();
void op_acc();
void del();
void menu();
void view_acc();
void view1();
void init();
void display();
void view();
char check(char *);
void loadingbar();
void trans();
void help();
int test();
void passcheck();
}obj;
void atm::op_acc() //ADDING INFORMATION
{
ofstream fout;
fout.open("harry2",ios::out|ios::app);
init();
fout.write((char*)&obj,sizeof(obj));
fout.close();
}
int atm::test() //FIND NO. OF RECORDS
{
ifstream fin;
fin.open("harry2");
fin.seekg(0,ios::end);
int n;
n=fin.tellg()/sizeof(obj);
cout<<" \n NUMBER OF ACCOUNTS = "<<n ;
return n ;
}
void atm::view_acc() //SEARCHING FOR A PARTICULAR NUMBER
{
ifstream fin;
fin.open("harry2");
if(fin.fail())
{
cout<<" \n FILE NOT FOUND ";
getch();
return;
}
clrscr();
textcolor(BLACK+BLINK);
gotoxy(30,1);
cprintf(" SEE ACCOUNT ");
cout<<" \n ENTER PHONE NUMBER : ";
long ph;
cin>>ph;
int n;
n=test();
for(int i=0;i<n;i++)
{
fin.read((char*)&obj,sizeof(obj));
if(ph==ph1)
{
view1();
return;
}
}
if(fin.eof())
{
cout<<" \n ACCOUNT NOT FOUND ";
}
}
void atm::init() // ENTERING THE DETAILS
{
clrscr();
char ch;
textcolor(BLACK+BLINK);
gotoxy(30,1);
cprintf(" OPEN A ACCOUNT ");
textcolor(BLACK);
time_t tim;
time(&tim);
cout<<endl<<endl<<" DATE AND TIME IS:"<<ctime(&tim);
gotoxy(1,10);
cout<<"Enter 10 digit phone number";
gotoxy(1,3);
cout<<" \n ENTER PHONE NUMBER : ";
cin>>ph1;
cin.get(ch);
gotoxy(1,10);
cout<<"Name should not more than 25 letters";
gotoxy(1,4);
cout<<" \n ENTER NAME : ";
cin.getline(name,20,'\n');
gotoxy(1,10);
cout<<"Address should not more than 50 letters";
gotoxy(1,5);
cout<<" \n ENTER YOUR ADDRESS : ";
cin.getline(address,50,'\n');
gotoxy(1,10);
cout<<"Name should not more than 25 letters";
gotoxy(1,6);
cout<<" \n ENTER NAME OF VERIFYING PERSON: ";
cin.getline(name_ver,50,'\n');
gotoxy(1,10);
cout<<"Balance should not less than 1000";
gotoxy(1,7);
cout<<" \n ENTER INITIAL DEPOSIT : ";
cin>>ini;
}
void atm::view1() //TO DISPLAY ALL THE RECORDS
{
cout<<"\n";
cout<<" PHONE NUMBER1 : "<<obj.ph1<<"\n";
cout<<" NAME : "<<obj.name<<"\n";
cout<<" YOUR ADDRESS: "<<obj.address<<"\n";
cout<<" NAME OF VERIFYING PERSON: "<<obj.name_ver<<"\n";
cout<<" INITIAL DEPOSIT : "<<obj.ini<<"\n";
getch();
}
void atm::modification() //TO MODIFY ANY DATA IN THE RECORD IF NECESSARY
{
clrscr();
textcolor(BLACK+BLINK);
gotoxy(30,1);
cprintf(" EDIT ACCOUNT ");
textcolor(BLACK);
long ph;
int n,i;
ifstream fin;
ofstream fout;
fin.open("harry2");
if(fin.fail())
{
cout<<"\n FILE NOT FOUND !";
fout.close();
exit(-1);
}
fout.open("new1");
n=test();
if(n==0)
{
cout<<"\n FILE IS EMPTY ! ";
getch();
return;
}
while(fin.good())
{
fin.read((char*)&obj,sizeof(obj));
fout.write((char*)&obj,sizeof(obj));
}
fin.close();
fout.close();
fout.open("harry2",ios::trunc);
fin.open("new1");
if(fin.fail())
{
cout<<"\n FILE NOT FOUND !";
exit(-1);
}
char ch;
cout<<"\n ENTER PHONE NUMBER :";
cin>>ph;
ch=cin.get();
for(i=0;i<n;i++)
{
fin.read((char*)&obj,sizeof(obj));
char d;
if(ph==ph1)
{
view1();
d=check(" PHONE NUMBER ");
if((d=='y') || (d=='Y'))
{
cout<<"\n ENTER NEW PHONE NUMBER :";
cin>>ph1;
ch=cin.get();
}
if(check("NAME")=='y')
{
cout<<"\n ENTER NEW NAME : ";
cin.getline(name,20,'\n');
}
if(check(" ADDRESS")=='y')
{
cout<<"\n ENTER NEW ADDRESS :";
cin.getline(address,50,'\n');
}
if(check(" VERIFYING PERSON NAME:")=='y')
{
cout<<"\n ENTER NEW NAME :";
cin.getline(name_ver,50,'\n');
}
if(check( "INITIAL DEPOSIT :")=='y')
{
cout<<"\n ENTER INITIAL DEPOSIT:";
cin>>ini;
}
}
fout.write((char*)&obj,sizeof(obj));
}
fout.close();
fin.close();
}
char atm::check(char *s)
{
cout<<"\n WANT TO MODIFY \t "<<s<<"\t"<<"Y/N";
char ch;
ch =getch();
if((ch=='y')||(ch=='Y'))
return 'y';
else
return 'n';
}
void atm::del() //DELETE ACCOUNT
{
clrscr();
textcolor(BLACK+BLINK);
gotoxy(30,1);
cprintf("DELETE A ACCOUNT");
long ph;
int n,i;
ifstream fin;
ofstream fout;
fin.open("harry2");
if(fin.fail())
{
cout<<"\n FILE NOT FOUND ! ";
getch();
return;
}
fout.open("new1");
n=test();
if(n==0)
{
cout<<"\n FILE IS EMPTY ! ";
getch();
return;
}
for(i=0;i<n;i++)
{
fin.read((char*)&obj,sizeof(obj));
fout.write((char*)&obj,sizeof(obj));
}
fin.close();
fout.close();
fout.open("ch1",ios::trunc);
fin.open("new1");
if(fin.fail())
{
cout<<"\n FILE NOT FOUND ! ";
getch();
return;
}
cout<<endl<<"ENTER PHONE NUMBER:"<<endl;
cin>>ph;
for(i=0;i<n;i++)
{
fin.read((char*)&obj,sizeof(obj));
if(ph!=ph1)
fout.write((char*)&obj,sizeof(obj));
cout<<endl<<”ACCOUNT HAS BEEN DELETED”;
}
fout.close();
fin.close();
}
void atm::view() //DISPLAYS LIST OF ACCOUNTS
{
ifstream fin;
int n,j;
fin.open("harry2");
if(fin.fail()||fin.bad())
{
cout<<"\n FILE NOT FOUND ! ";
getch();
return;
}
clrscr();
int i=0;
n=test();
for(j=0;j<n;j++)
{
cout<<"\n ACCOUNT NUMBER "<<i+1<<"\n";
fin.read((char*)&obj,sizeof(obj));
cout<<"\n PHONE NUMBER :"<<obj.ph1<<"\n";
cout<<"\n NAME :"<<obj.name<<"\n";
cout<<"\n YOUR ADDRESS:"<<obj.address<<"\n";
cout<<"\n NAME OF VERIFYING PERSON:"<<obj.name_ver<<"\n";
cout<<"\n INITIAL DEPOSIT :"<<obj.ini<<"\n";
i+=1;
}
fin.close();
getch();
}
void atm::menu() //DISPLAYS MENU ITEMS
{
char ch;
clrscr();
textbackground(WHITE);
textcolor(BLACK);
gotoxy(18,6);
cprintf(" CHOOSE ONE OPTION FROM THE GIVEN OPTIONS: ");
gotoxy(30,8);
cprintf(" O:OPEN AN ACCOUNT ");
gotoxy(30,10);
cprintf(" D:DELETE ACCOUNT \n \r ");
gotoxy(30,12);
cprintf(" M:MODIFY ACCOUNT\r ");
gotoxy(30,14);
cprintf(" L:LIST OF ACCOUNTS \n \r ");
gotoxy(30,16);
cprintf(" V:VIEW ACCOUNT \n \r ");
gotoxy(30,18);
cprintf(" T:TRANSECTIONS \n \r");
gotoxy(30,20);
cprintf(" H:HELP \n \r ");
gotoxy(30,22);
cprintf(" E:EXIT \n \r ");
ch=getch();
switch(ch)
{
case 'o':
case 'O':
op_acc();
break;
case 'd' :
case 'D' :
del();
break;
case 'm':
case 'M':
modification();
break;
case 'l':
case 'L':
view();
break;
case 'v':
case 'V':
view_acc();
break;
case 'T':
case 't':
trans();
break;
case 'h':
case 'H':
help();
case 'e':
case 'E':
system("cls");
exit(0);
}
}
void atm::trans() //CALL TO OTHER FUNCTIONS
{
clrscr();
char e;
gotoxy(18,6);
cout<<"CHOOSE OPTION FROM THE GIVEN OPTIONS: "<<endl;
gotoxy(30,8);
cout<<"D. DEPOSIT BALANCE"<<endl ;
gotoxy(30,10);
cout<<"W. WITHDRAW MONEY"<<endl;
cin>>e;
switch(e)
{
case 'd':
case 'D':
clrscr();
cout<<endl<<"YOUR INITIAL BALANCE IS:"<<obj.ini<<endl;;
cout<<endl<<"ENTER THE AMOUNT YOU WANT TO DEPOSIT:";
cin>>money;
obj.ini=obj.ini+money;
cout<<endl<<"YOUR UPDATED BALANCE IS:: "<<obj.ini;
getch();
break;
case 'w':
case 'W':
clrscr();
cout<<endl<<"YOUR INITIAL BALANCE IS:"<<obj.ini<<endl;
cout<<endl<<"PLEASE ENTER AMOUNT YOU WANT TO WITHDRAW:";
cin>>mon;
obj.ini=obj.ini-mon;
cout<<endl<<"YOUR BALANCE AFTER WITHDRAWAL IS:"<<obj.ini<<endl;
getch();
break;
}
}
void atm::help(void) // HELP FUNCTION
{
clrscr();
textcolor(BLACK+BLINK);
gotoxy(27,3);
cout<<"WELCOME TO HELP OPTION";
textcolor(BLACK);
delay(10);
gotoxy(10,5);
cout<<"1.IN THIS PROJECT YOU CAN KEEP RECORD OF DAILY BANKING ";
delay(10);
gotoxy(10,6);
cout<<" TRANSACTIONS. ";
delay(10);
gotoxy(10,8);
cout<<"2.THIS PROGRAMME IS CAPABLE OF HOLDING ANY NO. OF ACCOUNTS ";
delay(10);
gotoxy(10,10);
cout<<"3.IN FIRST OPTION YOU CAN OPEN A NEW ACCOUNT ";
delay(10);
gotoxy(10,12);
cout<<"4.PERSON BY ENTERING SIMPLY PERSONAL DETAILS";
delay(10);
gotoxy(10,14);
cout<<"5.IN SECOND OPTION YOUN CAN DELETE YOUR ACCOUNTS. ";
delay(10);
gotoxy(10,16);
cout<<"6.THROUGH THIRD OPTION YOU CAN VIEW YOUR ACCOUNT ";
delay(10);
gotoxy(10,18);
cout<<"7.IN FOURTH OPTION YOU CAN VIEW LIST OF ACCOUNTS. ";
delay(10);
gotoxy(10,20);
cout<<"8.IN THE FIFTH OPTION YOU CAN DO TRANSECTION. ";
delay(10);
gotoxy(10,21);
cout<<"(DEPOSIT / WITHDRAWAL) ";
delay(10);
gotoxy(10,23);
cout<<"AND LAST OPTION IS QUIT (EXIT TO DOS).";
delay(10);
textcolor(WHITE+BLINK); textbackground(BLACK);
gotoxy(20,25);
cprintf(" PRESS ANY KEY TO CONTINUE ");
gotoxy(30,26);
getch();
for(int i=25;i>=1;i--)
{
delay(20);
gotoxy(1,i);clrscr();
}
}
void loadingbar();
void loadingbar() //MAKING A FUNCTION OF LOADING BAR.
{
char r=221;
char s=220;
char t=219;
for (int k=2; k>0; k--)
{
clrscr();
gotoxy(30,11);
delay(60);
cout<<"LOADING,AUTHENTICATING USER";
gotoxy(30,12);
for (int j=0; j<27;j++)
{
delay(60);
cout<<t;
}
}
}
void passcheck();
void passcheck() //PASSWORD VALIDATION FUNCTION
{
char ch[9];
clrscr();
cout<<"Enter the password <any 8 characters>:";
w1:ch[0]=getch();
cout<<"*";
ch[1]=getch();
cout<<"*";
ch[2]=getch();
cout<<"*";
ch[3]=getch();
cout<<"*";
ch[4]=getch();
cout<<"*";
ch[5]=getch();
cout<<"*";
ch[6]=getch();
cout<<"*";
ch[7]=getch();
cout<<"*";
ch[8]='\0';
if(strcmp(ch,"harpreet") == 0)
{
loadingbar();
cout<<endl<<"LOGIN SUCCESSFULL";
}
else
{
cout<<endl<<"LOGIN FAILED"<<endl;
cout<<endl<<"Please Enter Correct Password:";
goto w1;
}
}
int main()
{
welcome_screen();
passcheck();
for(;;)
obj.menu();
return 0;
}
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