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Banking System Project In C++

January 27, 2019
Banking System Project In C++

 Description: This C++ programs on BANKING SYSTEM has account class with data members like account number, name, deposit, withdraw amount and type of account. Customer data is stored in a binary file. A customer can deposit and withdraw the amount in his account. The user can create, modify and delete an account.




//***************************************************************
//                   HEADER FILE USED IN PROJECT
//****************************************************************

#include<iostream>
#include<fstream>
#include<cctype>
#include<iomanip>
#include<stdlib.h>
using namespace std;

//***************************************************************
//                   CLASS USED IN PROJECT
//****************************************************************

class account
{
int acno;
char name[50];
int deposit;
char type;
public:
void create_account(); //function to get data from user
void show_account() const; //function to show data on screen
void modify(); //function to add new data
void dep(int); //function to accept amount and add to balance amount
void draw(int); //function to accept amount and subtract from balance amount
void report() const; //function to show data in tabular format
int retacno() const; //function to return account number
int retdeposit() const; //function to return balance amount
char rettype() const; //function to return type of account
};         //class ends here

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<<"\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<<"\nType of Account : "<<type;
cout<<"\nBalance amount : "<<deposit;
}


void account::modify()
{
cout<<"\nAccount No. : "<<acno;
cout<<"\nModify Account Holder Name : ";
cin.ignore();
cin.getline(name,50);
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)<<" "<<type<<setw(6)<<deposit<<endl;
}
int account::retacno() const
{
return acno;
}

int account::retdeposit() const
{
return deposit;
}

char account::rettype() const
{
return type;
}


//***************************************************************
//    function declaration
//****************************************************************
void write_account(); //function to write record in binary file
void display_sp(int); //function to display account details given by user
void modify_account(int); //function to modify record of file
void delete_account(int); //function to delete record of file
void display_all(); //function to display all account details
void deposit_withdraw(int, int); // function to desposit/withdraw amount for given account
void intro(); //introductory screen function

//***************************************************************
//    THE MAIN FUNCTION OF PROGRAM
//****************************************************************

int main()
{
char ch;
int num;
intro();
do
{
system("cls");
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<<"\n\n\tEnter The account No. : "; cin>>num;
deposit_withdraw(num, 1);
break;
case '3':
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':
cout<<"\n\n\tThanks for using bank managemnt system";
break;
default :cout<<"\a";
}
cin.ignore();
cin.get();
    }while(ch!='8');
return 0;
}


//***************************************************************
//    function to write in file
//****************************************************************

void write_account()
{
account ac;
ofstream outFile;
outFile.open("account.dat",ios::binary|ios::app);
ac.create_account();
outFile.write(reinterpret_cast<char *> (&ac), sizeof(account));
outFile.close();
}

//***************************************************************
//    function to read specific record from file
//****************************************************************

void display_sp(int n)
{
account ac;
bool flag=false;
ifstream inFile;
inFile.open("account.dat",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";
}


//***************************************************************
//    function to modify record of file
//****************************************************************

void modify_account(int n)
{
bool found=false;
account ac;
fstream File;
    File.open("account.dat",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)
{
ac.show_account();
cout<<"\n\nEnter The New Details of account"<<endl;
ac.modify();
int pos=(-1)*static_cast<int>(sizeof(account));
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 ";
}

//***************************************************************
//    function to delete record of file
//****************************************************************


void delete_account(int n)
{
account ac;
ifstream inFile;
ofstream outFile;
inFile.open("account.dat",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("account.dat");
rename("Temp.dat","account.dat");
cout<<"\n\n\tRecord Deleted ..";
}

//***************************************************************
//    function to display all accounts deposit list
//****************************************************************

void display_all()
{
account ac;
ifstream inFile;
inFile.open("account.dat",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           Type  Balance\n";
cout<<"====================================================\n";
while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
{
ac.report();
}
inFile.close();
}

//***************************************************************
//    function to deposit and withdraw amounts
//****************************************************************

void deposit_withdraw(int n, int option)
{
int amt;
bool found=false;
account ac;
fstream File;
    File.open("account.dat", 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)
{
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 ";
}


//***************************************************************
//    INTRODUCTION FUNCTION
//****************************************************************

void intro()
{
cout<<"\n\n\n\t  BANK";
cout<<"\n\n\tMANAGEMENT";
cout<<"\n\n\t  SYSTEM";
cout<<"\n\n\n\nMADE BY : Dare CCC";
cout<<"\n\nSCHOOL : www.lpuprograms.blogspot.com";
cin.get();
}

//***************************************************************
//    END OF PROJECT


//***************************************************************
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