Bank System

#include<iostream>
#include<fstream>
#include<cctype>
#include<iomanip>
#include<Windows.h>using namespace std;
struct account
{
int acno;
char name[10];
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
};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,10);
cout<<"\nEnter Type of The account (C/S) : ";
cin>>type;
type=toupper(type);
cout<<"\n 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,10);
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<<setw(2)<<""<<acno<<setw(10)<<" "<<name<<setw(15)<<" "<<type<<setw(10)<<deposit<<endl;
}int account::retacno() const
{
return acno;
}int account::retdeposit() const
{
return deposit;

}
char account::rettype() const
{
return type;
}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 detailsvoid deposit_withdraw(int, int); // function to deposit/withdraw amount for given account
void intro(); 

int main()
{ 

char ch;

int num;
intro();
system("color 3f") ;
do
{
cout<<"--------------------------"<<endl;
cout<<" Main Menu "<<endl;
cout<<"--------------------------"<<endl;
cout<<"1. New Account. "<<endl;
cout<<"2. Deposit Amount "<<endl;
cout<<"3. Withdraw Amount "<<endl;
cout<<"4. Balance Enquairy "<<endl;
cout<<"5. All Account Holder List"<<endl;
cout<<"6. Close an account. "<<endl;
cout<<"7. Modify An Account "<<endl;
cout<<"8. Exit. "<<endl;
cout<<" Your Option [1-8] "<<endl;
cin>>ch;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':

break;
default :cout<<"\a";
cout<<"invild option !";
}
// 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<<"Balance Details"<<endl;
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)
{
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 "<<endl;}
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 ..";
}void display_all()
{
account ac;
ifstream inFile;
inFile.open("account.dat",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any Key..."<<endl;
return;
}
cout<<"\n Account Holder list "<<endl;
cout<< " A/C No.Name Type Balance\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<<" TO DEPOSITE AMOUNT "<<endl;
cout<<"\n\nEnter The amount to be deposited";
cin>>amt;
ac.dep(amt);
}
if(option==2)
{
cout<<"\n\n\t To Withdraw Amount ";
cout<<"\n\n 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 ";
}
void intro( )
{
cout<<" ---------------------------------"<<endl;
cout<<" Bank Management System" <<endl;
cout<<"----------------------------------"<<endl;
cout<<" Enter Your Name :-" <<endl;
cin.get();}