Sample C++ Program on Banking

SAMPLE PROGRAM FOR C++ ON BANKING

#include <fstream.h>

#include<iostream.h>

#include<conio.h>

#include<string.h>

#include<process.h>

#include<stdio.h>

#include<dos.h>

void password(void)

{

int counter=0;

char username[20];

char password[15];

char str[20];

fstream user;

fstream pass;

user.open("username.dat",ios::binary|ios::in|ios::out);

pass.open("password.dat",ios::binary|ios::in|ios::out);

do

{

clrscr();

cout<<"\n\n\n\n\n\t\t\t USERNAME ";

cout<<"\n\n\t\t ";

gets(username);

user.read((char*) &str,sizeof(str));

user.close();

if(strcmp(str,username)==0)

{

clrscr();

cout<<"\n\n\n\n\n\t\t\tPASSWORD ";

cout<<"\n\n\t\t ";

gets(password);

pass.read((char*) &str,sizeof(str));

pass.close();

if(strcmp(str,password)==0)

{ clrscr();

cout<<"\n\n\n\n\t\t\tACCESS ALLOWED....";

delay(1500);

return;

}

else

{

cout<<"\n\n\t\t\tACCESS DENIED!!!!";

delay(2500);

continue;

}

}

counter++;

}while(counter<3);

clrscr();

cout<<"\n\n\n\n\n\n\t\t\t";

char arr[35]={"CLOSING DUE TO SECURITY THREAT"};

for(int i=0;i<35;i++)

{ cout<<arr[i];

delay(50);

}

cout<<"....";

delay(2500);

exit(0);

}

class account

{

char first_name[50],last_name[50],address[100],city[50],state[50];

char phone_number[25],pincode[25];

int accno, acctno;

float amount, deposit,rate;

public:

account()

{

amount=0.00;

deposit=0.00;

rate = 0.0;

ifstream fin;

fin.open("acctno.dat",ios::in);

fin>>acctno;

fin.close();

}

void addnewrecord();

void viewrecord();

void updaterecord();

void read();

int get_acctno();

void display();

};

/*

This method is for adding a new account record. The details are added in the dat file accountdets.dat.

*/

void account::addnewrecord()

{

ofstream outfile;

outfile.open("accountdets.dat",ios::out|ios::binary|ios::app);

account person;

cout<<endl<<"Enter first name : ";

gets(person.first_name);

cout<<endl<<"Enter last name : ";

gets(person.last_name);

cout<<endl<<"Enter address : ";

gets(person.address);

cout<<endl<<"Enter city : ";

gets(person.city);

cout<<endl<<"Enter state : ";

gets(person.state);

cout<<endl<<"Enter pin : ";

gets(person.pincode);

cout<<endl<<"Enter phone number : ";

gets(person.phone_number);

cout<<endl<<"Your PERMANENT ACCOUNT NO: is : "<<(acctno++);

cout<<endl<<"\nEnter deposit (min Rs.250) : ";

cin>>person.deposit;

ofstream fout;

fout.open("acctno.dat",ios::out);

fout<<acctno;

fout.close();

outfile.write((char*) &person, sizeof(person));

outfile.close();

}

/*

This method is used for reading the account number input from the user.

*/

void account::read()

{

cout<<"\nEnter the account number : ";

cin>>accno;

}

/*

This method returns the account number that is input by the user.

*/

int account::get_acctno()

{

return accno;

}

/*

This method is used for viewing the account details from the dat file, given a specific account number as input.

*/

void account::viewrecord()

{

ifstream f2;

account t2,t02;

t02.read();

f2.open("accountdets.dat",ios::binary|ios::in);

f2.seekg(0,ios::beg);

int j=0;

while(!f2.eof())

{

f2.read((char*) &t2,sizeof(t2));

if(t2.acctno==t02.get_acctno())

{

j=1;

t2.display();

break;

}

}

if(j!=1)

cout<<"\nRecord not found...";

f2.close();

cout<<"\n\n\t\t\t(Press any key to return to MAIN MENU..)";

getch();

}

/*

This method is used by the viewrecord method to output the specific account record details.

*/

void account::display()

{

cout<<"\n";

cout<<"First name : "<<first_name <<"\n"

<<"Last name : "<<last_name<<"\n"

<<"Address : "<<address<<"\n"

<<"City : "<<city<<"\n"

<<"State : "<<state<<"\n"

<<"Phone Number : "<<phone_number<<"\n"

<<"Deposit : "<<deposit<<"\n";

}

/*

This method is used for updating an account record based on various options.

*/

void account::updaterecord()

{

int ch2,debit,credit;

do{

clrscr();

cout<<"\n\nPlease";

cout<<"\n\tEnter 1 to debit \n"

<<"\tEnter 2 to credit \n"

<<"\tEnter 3 to view account balance \n"

<<"\tEnter 4 to calculate interest and view balance after the calculations\n"

<<"\tEnter 5 to close transactions\n";

cout<<"\nEnter choice : ";

cin>>ch2;

clrscr();

switch(ch2)

{

case 1:

{

fstream f3;

account t3,t03;

int j=0, count=0;

t03.read();

cout<<"\nPlease enter the amount to be debited : ";

cin>>debit;

f3.open("accountdets.dat",ios::binary|ios::in|ios::out);


while(!f3.eof())

{



{

j++;

break;

}

count++;

}

if(j!=0)

{

if(debit<=t3.deposit)

{

t3.deposit-=debit;

f3.seekp(count*sizeof(t3),ios::beg);

f3.write((char*) &t3 ,sizeof(t3));

}

if(t3.deposit>=250)

cout<<"Your account balance is Rs"<<t3.deposit;

else

cout<<"Your Balance is not sufficient to debit this amount";

}

else

{

cout<<"\nRecord NOT found";

}

f3.close();

cout<<"\n\n\n\n\t\t(Press any key to return to previous menu..)";

getch();

break;

}//case 1

case 2:

{

fstream f4;

account t4,t04;

int j=0, count=0,credit;

t04.read();

cout<<"\nPlease enter the amount to be credited ";

cin>>credit;



while(!f4.eof())

{



{

j++;

break;

}

count++;

}

if(j!=0)

{

t4.deposit+=credit;

f4.seekp(count*sizeof(t4),ios::beg);

f4.write((char*) &t4 ,sizeof(t4));

}

else

{


}

cout<<"Your account balance is Rs "<<t4.deposit;

f4.close();


getch();

break;

}//case 2

case 3:

{

fstream f6;

account t6,t06;

int j=0;

t06.read();



while(!f6.eof())

{



{

j++;

break;

}

}

if(j!=0)

{

cout<<"\n\nThe ACCOUNT BALANCE is Rs "<<t6.deposit;

}

else

{


}

f6.close();


getch();

break;

}//case 3

case 4:

{

fstream f5;

account t5,t05;

int timeperiod, j=0;

float interest;

t05.read();



while(!f5.eof())

{



{

cout<<"\nPlease enter the time period : ";

cin>>timeperiod;

rate=1.5*timeperiod;

interest=t5.deposit*timeperiod*(rate/100.0);

cout<<"\nInterest is Rs "<<interest;

amount=t5.deposit + interest;

cout<<"\nAmount is Rs "<<amount;

if(amount==0)

cout<<"Sorry!The interest rate for the time period you have entered is not specified";

j=1;

break;

}

}

if(j==0)

cout<<"\nRecord not found";


getch();

break;

}//case 4

case 5:cout<<"\n\n\n\n\n\t\tModifications are SAVED to your account..... ";

cout<<"\n\n\t\t\t(Press any key..)";

getch();

ch2=6;

break;

default:cout<<"\n\n\t\t\tinvalid entry!!!!";


getch();

break;

}//switch ch2

}while(ch2<6);

}//updaterecord

void main()

{

password();

char crep,cstr[20];

int irep;

l:clrscr();

cout<<"\nDo you want to change the USERNAME or PASSWORD (y/n) : ";

cin>>crep;

if(crep=='y' || crep=='Y')

{

ofstream of;

cout<<"\nEnter 1 to change username or 2 to change password\n";

cin>>irep;

switch(irep)

{

case 1:

of.open("username.dat",ios::binary|ios::out);

cout<<"\nEnter new Username : ";

gets(cstr);

of.write((char*) &cstr,sizeof(cstr));

of.close();

break;

case 2:

of.open("password.dat",ios::binary|ios::out);

cout<<"\nEnter new password : ";

gets(cstr);

of.write((char*) &cstr,sizeof(cstr));

of.close();

break;

default:

goto l;

}

}

account obj;

int ch;

do

{

clrscr();

cout<<"\n\t\t\t ==========================";

cout<<"\n\t\t\t\t MAIN MENU";

cout<<"\n\t\t\t ==========================\n";

cout<<"\t1. Add record\n";

cout<<"\t2. View record\n";

cout<<"\t3. Update record / Transactions\n";

cout<<"\t4. Exit\n";

cout<<"\tEnter your choice: ";

cin>>ch;

clrscr();

int in=0;

switch(ch)

{

case 1:

obj.addnewrecord();

break;

case 2:

obj.viewrecord();

break;

case 3:

obj.updaterecord();

break;

case 4:

clrscr();

cout<<"\n\n\n\n\n\t\t\tSaving Your Settings";

for(in=0;in<6;in++)

{cout<<'.';delay(1500);}

clrscr();

cout<<"\n\n\n\n\n\t\t\t....Terminating....";

delay(2500);

exit(0);

default:

cout<<"\n\t\t\tinvalid entry!!!!";

cout<<"\n\n\t\t\t(Press any key..)";

getch();

break;

}

}while(ch<10);

}

Documents

Sample C++ Program on Banking