Sunday, 24 January 2016

Banking System Project in C++

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Questions:

Banking System Project in C++

Explanation:

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 deposite and withdraw amount in his account. User can create, modify and delete account.

In this banking system project, We have not used graphics to keep program simple. Project code is available in bellow Code Section,

Code:

//***************************************************************
//                   HEADER FILE USED IN PROJECT by cppexamples.blogspot.com
//****************************************************************

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

//***************************************************************
//                   CLASS USED IN PROJECT by cppexamples.blogspot.com
//****************************************************************

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 by cppexamples.blogspot.com
//****************************************************************
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 by cppexamples.blogspot.com
                           //****************************************************************

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 by cppexamples.blogspot.com
//****************************************************************

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 by cppexamples.blogspot.com
//****************************************************************

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 by cppexamples.blogspot.com
//****************************************************************

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 by cppexamples.blogspot.com
//****************************************************************


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 by cppexamples.blogspot.com
//****************************************************************

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 by cppexamples.blogspot.com
//****************************************************************

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 by cppexamples.blogspot.com
//****************************************************************

void intro()
{
       cout << "\n\n\n\t  BANK";
       cout << "\n\n\tMANAGEMENT";
       cout << "\n\n\t  SYSTEM";
       cout << "\n\n\n\nMADE BY : your name";
       cout << "\n\nSCHOOL : your school name";
       cin.get();
}

//***************************************************************
//                   END OF PROJECT by cppexamples.blogspot.com

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



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