The project “Online Banking System” was made to manage the details of Accounts, Transaction, Balance, Statement. This project was done using C++ programming Language which could reduce the manual work for managing the Accounts, Customer, Transaction.
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#include<iostream>
#include<conio.h>
#include<fstream>
#include<stdlib.h>
#include<iomanip>
#include<cctype>
#include<ctime>
#include<string>
using namespace std;
bool isloggedin()
{
string username,password,un,pw;
cout<<"Enter User Name"<<" ";
cin>>username;
cout<<"enter password"<<" ";
cin>>password;
ifstream read("record");
getline(read,un);
getline(read,pw);
if(un==username && pw==password)
{
return true;
}
else
{
return false;
}
}
class account
{
long long int acno;
char name[50];
long long int adhar;
long long int mobile;
int deposit;
char type;
public:
void create_account();
void show_account() const;
void modify();
void dep(int);
void draw(int);
void report() const;
int retacno() const;
int retdeposit() const;
char rettype() const;
};
void time()
{
time_t now=time(0);
char* dt=ctime(&now);
cout<<"\t\t\t\t\t\t\t\t\t\t"<<dt<<endl;
}
void account::create_account()
{
cout<<"\nEnter The account No. :";
cin>>acno;
cout<<"\n\nEnter The Name of The account Holder : ";
cin.ignore();
cin.getline(name,50);
cout<<"\n\nEnter aadhar card no : ";
cin>>adhar;
cout<<"\n\nEnter mobile number : ";
cin>>mobile;
cout<<"\nEnter Type of The account (C/S) : ";
cin>>type;
type=toupper(type);
cout<<"\nEnter The Initial amount(>=500 for Saving and >=1000 for current ) : ";
cin>>deposit;
cout<<"\n\n\nAccount Created..";
}
void account::show_account() const
{
cout<<"\nAccount No. : "<<acno;
cout<<"\nAccount Holder Name : ";
cout<<name;
cout<<"\nAadhar number : "<<adhar;
cout<<"\nMobile number : "<<mobile;
cout<<"\nBalance amount : "<<deposit;
}
void account::modify()
{
cout<<"\nAccount No. : "<<acno;
cout<<"\nModify Account Holder Name : ";
cin.ignore();
cin.getline(name,50);
cout<<"\nModify Aadhar number : ";
cin>>adhar;
cout<<"\nModify Mobile number : ";
cin>>mobile;
cout<<"\nMobile number : "<<mobile;
cout<<"\nModify Type of Account : ";
cin>>type;
type=toupper(type);
cout<<"\nModify Balance amount : ";
cin>>deposit;
}
void account::dep(int x)
{
deposit+=x;
}
void account::draw(int x)
{
deposit-=x;
}
void account::report() const
{
cout<<acno<<setw(10)<<" "<<name<<setw(10)<<" "<<adhar<<setw(10)<<" "<<mobile<<setw(10)<<" "<<type<<setw(6)<<" "<<deposit<<endl;
}
int account::retacno() const
{
return acno;
}
int account::retdeposit() const
{
return deposit;
}
char account::rettype() const
{
return type;
}
void write_account();
void display_sp(int);
void modify_account(int);
void delete_account(int);
void display_all();
void deposit_withdraw(int, int);
void intro();
int main()
{
int choice;
time();
cout<<"1: register";
cout<<"\n2: log in";
b:cout<<"\nyour choice : ";
cin>>choice;
if(choice==1)
{
string username,password;
cout<<"select a username ";
cin>>username;
cout<<"choose password ";
cin>>password;
ofstream file("record");
file<<username<<endl<<password;
file.close();
system("cls");
main();
}
else if(choice==2)
{
bool status =isloggedin();
if(!status)
{
cout<<"\t\tEither user name or password entered is wrong "<<endl<<"\t\ttry again "<<endl;
system("pause");
goto b;
return 0;
}
else
{
cout<<"succesfully logged in ";
system("cls");
char ch;
int num;
do
{
system("cls");
time();
cout<<"\n\n\n\tMAIN MENU";
cout<<"\n\n\t01. NEW ACCOUNT";
cout<<"\n\n\t02. DEPOSIT AMOUNT";
cout<<"\n\n\t03. WITHDRAW AMOUNT";
cout<<"\n\n\t04. BALANCE ENQUIRY";
cout<<"\n\n\t05. ALL ACCOUNT HOLDER LIST";
cout<<"\n\n\t06. CLOSE AN ACCOUNT";
cout<<"\n\n\t07. MODIFY AN ACCOUNT";
cout<<"\n\n\t08. EXIT";
cout<<"\n\n\tSelect Your Option (1-8) ";
cin>>ch;
system("cls");
switch(ch)
{
case '1':
write_account();
break;
case '2':
cout<<"\t----Account transcation form----";
cout<<"\n\n\tEnter The account No. : "; cin>>num;
deposit_withdraw(num, 1);
break;
case '3':
cout<<"\t----Account transcation form----";
cout<<"\n\n\tEnter The account No. : "; cin>>num;
deposit_withdraw(num, 2);
break;
case '4':
cout<<"\n\n\tEnter The account No. : "; cin>>num;
display_sp(num);
break;
case '5':
display_all();
break;
case '6':
cout<<"\n\n\tEnter The account No. : "; cin>>num;
delete_account(num);
break;
case '7':
cout<<"\n\n\tEnter The account No. : "; cin>>num;
modify_account(num);
break;
case '8':
time();
cout<<"\n\n\tThanks for using bank managemnt system";
break;
default :cout<<"\a";
}
cin.ignore();
cin.get();
}
while(ch!='8');
return 1;
}
}
}
void write_account()
{
time();
account ac;
ofstream outFile;
outFile.open("project.txt",ios::binary|ios::app);
ac.create_account();
outFile.write(reinterpret_cast<char *> (&ac), sizeof(account));
outFile.close();
}
void display_sp(int n)
{
time();
account ac;
bool flag=false;
ifstream inFile;
inFile.open("project.txt",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any Key...";
return;
}
cout<<"\nBALANCE DETAILS\n";
while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
{
if(ac.retacno()==n)
{
ac.show_account();
flag=true;
}
}
inFile.close();
if(flag==false)
cout<<"\n\nAccount number does not exist";
}
void modify_account(int n)
{
time();
bool found=false;
account ac;
fstream File;
File.open("project.txt",ios::binary|ios::in|ios::out);
if(!File)
{
cout<<"File could not be open !! Press any Key...";
return;
}
while(!File.eof() && found==false)
{
File.read(reinterpret_cast<char *> (&ac), sizeof(account));//confusion
if(ac.retacno()==n)
{
ac.show_account();
cout<<"\n\nEnter The New Details of account"<<endl;
ac.modify();
int pos=(-1)*static_cast<int>(sizeof(account));//confusion
File.seekp(pos,ios::cur);
File.write(reinterpret_cast<char *> (&ac), sizeof(account));
cout<<"\n\n\t Record Updated";
found=true;
}
}
File.close();
if(found==false)
cout<<"\n\n Record Not Found ";
}
void delete_account(int n)
{
time();
account ac;
ifstream inFile;
ofstream outFile;
inFile.open("project.txt",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any Key...";
return;
}
outFile.open("Temp.dat",ios::binary);
inFile.seekg(0,ios::beg);
while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
{
if(ac.retacno()!=n)
{
outFile.write(reinterpret_cast<char *> (&ac), sizeof(account));
}
}
inFile.close();
outFile.close();
remove("project.txt");
rename("Temp.txt","project.txt");
cout<<"\n\n\tRecord Deleted ..";
}
void display_all()
{
time();
account ac;
ifstream inFile;
inFile.open("project.txt",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any Key...";
return;
}
cout<<"\n\n\t\tACCOUNT HOLDER LIST\n\n";
cout<<"=============================================================================\n";
cout<<"A/c no. NAME Aadhar No. Mobile No. Type Balance\n";
cout<<"==============================================================================\n";
while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
{
ac.report();
}
inFile.close();
}
void deposit_withdraw(int n, int option)
{
time();
int amt;
bool found=false;
account ac;
fstream File;
File.open("project.txt", ios::binary|ios::in|ios::out);
if(!File)
{
cout<<"File could not be open !! Press any Key...";
return;
}
while(!File.eof() && found==false)
{
File.read(reinterpret_cast<char *> (&ac), sizeof(account));
if(ac.retacno()==n)
{
cout<<"\n\tAccount status\n";
ac.show_account();
if(option==1)
{
cout<<"\n\n\tTO DEPOSITE AMOUNT ";
cout<<"\n\nEnter The amount to be deposited";
cin>>amt;
ac.dep(amt);
}
if(option==2)
{
cout<<"\n\n\tTO WITHDRAW AMOUNT ";
cout<<"\n\nEnter The amount to be withdraw";
cin>>amt;
int bal=ac.retdeposit()-amt;
if((bal<500 && ac.rettype()=='S') || (bal<1000 && ac.rettype()=='C'))
cout<<"Insufficience balance";
else
ac.draw(amt);
}
int pos=(-1)*static_cast<int>(sizeof(ac));
File.seekp(pos,ios::cur);
File.write(reinterpret_cast<char *> (&ac), sizeof(account));
cout<<"\n\n\t Record Updated";
found=true;
}
}
File.close();
if(found==false)
cout<<"\n\n Record Not Found ";
}
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