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This is a small project of bank management system which implements OOPs concepts.
Following is the the code snippet :
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//***************************************************************
// HEADER FILE USED IN PROJECT
//****************************************************************
#include<fstream.h>
#include<ctype.h>
#include<iomanip.h>
#include<conio.h>
#include<stdio.h>
//***************************************************************
// 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(); //function to show data on screen
void modify(); //function to get new data from user
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(); //function to show data in tabular format
int retacno(); //function to return account number
int retdeposit(); //function to return balance amount
char rettype(); //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 : ";
gets(name);
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()
{
cout<<"\nAccount No. : "<<acno;
cout<<"\nAccount Holder Name : ";
cout<<name;
cout<<"\nType of Account : "<<type;
cout<<"\nBalance amount : "<<deposit;
}
void account::modify()
{
cout<<"\nThe account No."<<acno;
cout<<"\n\nEnter The Name of The account Holder : ";
gets(name);
cout<<"\nEnter Type of The account (C/S) : ";
cin>>type;
type=toupper(type);
cout<<"\nEnter The amount : ";
cin>>deposit;
}
void account::dep(int x)
{
deposit+=x;
}
void account::draw(int x)
{
deposit-=x;
}
void account::report()
{
cout<<acno<<setw(10)<<" "<<name<<setw(10)<<" "<<type<<setw(6)<<deposit<<endl;
}
int account::retacno()
{
return acno;
}
int account::retdeposit()
{
return deposit;
}
char account::rettype()
{
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()
{
int ch;
int num;
clrscr();
intro();
do
{
clrscr();
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;
clrscr();
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";
}
getch();
}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((char *) &ac, sizeof(account));
outFile.close();
}
//***************************************************************
// function to read specific record from file
//****************************************************************
void display_sp(int n)
{
account ac;
int flag=0;
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((char *) &ac, sizeof(account)))
{
if(ac.retacno()==n)
{
ac.show_account();
flag=1;
}
}
inFile.close();
if(flag==0)
cout<<"\n\nAccount number does not exist";
}
//***************************************************************
// function to modify record of file
//****************************************************************
void modify_account(int n)
{
int found=0;
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.read((char *) &ac, sizeof(account)) && found==0)
{
if(ac.retacno()==n)
{
ac.show_account();
cout<<"\n\nEnter The New Details of account"<<endl;
ac.modify();
int pos=(-1)*sizeof(account);
File.seekp(pos,ios::cur);
File.write((char *) &ac, sizeof(account));
cout<<"\n\n\t Record Updated";
found=1;
}
}
File.close();
if(found==0)
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((char *) &ac, sizeof(account)))
{
if(ac.retacno()!=n)
{
outFile.write((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((char *) &ac, sizeof(account)))
{
ac.report();
}
inFile.close();
}
//***************************************************************
// function to deposit and withdraw amounts
//****************************************************************
void deposit_withdraw(int n, int option)
{
int amt;
int found=0;
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.read((char *) &ac, sizeof(account)) && found==0)
{
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)* sizeof(ac);
File.seekp(pos,ios::cur);
File.write((char *) &ac, sizeof(account));
cout<<"\n\n\t Record Updated";
found=1;
}
}
File.close();
if(found==0)
cout<<"\n\n Record Not Found ";
}
//***************************************************************
// INTRODUCTION FUNCTION
//****************************************************************
void intro()
{
cout<<"\n\n\n\t BANK MANAGEMENT SYSTEM";
cout<<"\n\t ----------------------";
getch();
}
//***************************************************************
// END OF PROJECT
//***************************************************************
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