Bank Management System in CPP

 

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Source Code:

#include<iostream>

#include<fstream>

#include<cctype>

#include<iomanip>

using namespace std;




class account

{

int acno;

char name[50];

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 account::create_account()

{

system("CLS");

cout<<"\n\t\t\tEnter the Account No. : ";

cin>>acno;

cout<<"\n\n\t\t\tEnter the Name of the Account holder : ";

cin.ignore();

cin.getline(name,50);

cout<<"\n\t\t\tEnter Type of the Account (C/S) : ";

cin>>type;

type=toupper(type);

cout<<"\n\t\t\tEnter The Initial amount : ";

cin>>deposit;

cout<<"\n\n\t\t\tAccount Created..";

}


void account::show_account() const

{

cout<<"\n\t\t\tAccount No. : "<<acno;

cout<<"\n\t\t\tAccount Holder Name : ";

cout<<name;

cout<<"\n\t\t\tType of Account : "<<type;

cout<<"\n\t\t\tBalance amount : "<<deposit;

}



void account::modify()

{

cout<<"\n\t\t\tAccount No. : "<<acno;

cout<<"\n\t\t\tModify Account Holder Name : ";

cin.ignore();

cin.getline(name,50);

cout<<"\n\t\t\tModify Type of Account : ";

cin>>type;

type=toupper(type);

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

}




void write_account();

void display_sp(int);

void modify_account(int);

void delete_account(int);

void display_all();

void deposit_withdraw(int, int);


int main()

{

char ch;

int num;

do

{

system("CLS");

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

cout<<"\t\t\t\tBANK MANAGEMENT SYSTEM";

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


cout<<"\t\t\t\t    ::MAIN MENU::\n";

cout<<"\n\t\t\t\t1. NEW ACCOUNT";

cout<<"\n\t\t\t\t2. DEPOSIT AMOUNT";

cout<<"\n\t\t\t\t3. WITHDRAW AMOUNT";

cout<<"\n\t\t\t\t4. BALANCE ENQUIRY";

cout<<"\n\t\t\t\t5. ALL ACCOUNT HOLDER LIST";

cout<<"\n\t\t\t\t6. CLOSE AN ACCOUNT";

cout<<"\n\t\t\t\t7. MODIFY AN ACCOUNT";

cout<<"\n\t\t\t\t8. EXIT";

cout<<"\n\n\t\t\t\tSelect Your Option (1-8): ";

cin>>ch;


switch(ch)

{

case '1':

write_account();

break;

case '2':

system("CLS");

cout<<"\n\n\t\t\tEnter The account No. : "; cin>>num;

deposit_withdraw(num, 1);

break;

case '3':

system("CLS");

cout<<"\n\n\t\t\tEnter The account No. : "; cin>>num;

deposit_withdraw(num, 2);

break;

case '4':

system("CLS");

cout<<"\n\n\t\t\tEnter The account No. : "; cin>>num;

display_sp(num);

break;

case '5':

display_all();

break;

case '6':

system("CLS");

cout<<"\n\n\t\t\tEnter The account No. : "; cin>>num;

delete_account(num);

break;

case '7':

system("CLS");

cout<<"\n\n\t\t\tEnter The account No. : "; cin>>num;

modify_account(num);

break;

case '8':

system("CLS");

cout<<"\n\n\t\t\tBrought To You By code-projects.org";

break;

default :cout<<"\a";

}

cin.ignore();

cin.get();

    }while(ch!='8');

return 0;

}



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();

}


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<<"\n\t\t\tBALANCE 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\n\t\t\tAccount number does not exist";

}




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\n\t\t\tEnter The New Details of account"<<endl;

ac.modify();

int pos=(-1)*static_cast<int>(sizeof(account));

File.seekp(pos,ios::cur); //fncallat1353

    File.write(reinterpret_cast<char *> (&ac), sizeof(account));

    cout<<"\n\n\t\t\tRecord Updated";

    found=true;

  }

}

File.close();

if(found==false)

cout<<"\n\n\t\t\tRecord Not Found ";

}




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\nRecord Deleted ..";

}



void display_all()

{

system("CLS");

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();

}



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\t\t\tTO DEPOSITSS AMOUNT";

cout<<"\n\n\t\t\tEnter The amount to be deposited: ";

cin>>amt;

ac.dep(amt);

}

    if(option==2)

{

cout<<"\n\n\t\t\tTO WITHDRAW AMOUNT";

cout<<"\n\n\t\t\tEnter The amount to be withdraw: ";

cin>>amt;

int bal=ac.retdeposit()-amt;

if(bal<0)

cout<<"Insufficience balance";

else

ac.draw(amt);

      }

int pos=(-1)*static_cast<int>(sizeof(ac));

File.seekp(pos,ios::cur);//fn1353

File.write(reinterpret_cast<char *> (&ac), sizeof(account));

cout<<"\n\n\t\t\tRecord Updated";

found=true;

       }

         }

    File.close();

if(found==false)

cout<<"\n\n\t\t\tRecord Not Found ";

}


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