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Book.CPP
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Book.CPP
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#include<iostream.h>
#include<process.h>
#include<fstream.h>
#include<string.h>
#include<stdio.h>
#include<conio.h>
#include<dos.h>
//Header Files..
class Book
{
private:
int bookid;
char bookname[20];
float bookprice; //Main Base Class..
public:
void input();
void show();
int retst()
{
return bookid;
}
};
Book b;
void Book :: input() //Function To Accept Record..
{
cout<<"\n\t\t Enter Book Id:"; cin>>bookid;
cout<<"\n\t\t Enter Book Name:"; gets(bookname);
cout<<"\n\t\t Enter Book Price:"; cin>>bookprice;
}
void Book :: show() //Function To Display Record..
{
cout<<"\n\t\t Book Id Is:"<<bookid;
cout<<"\n\t\t Book Name Is:"<<bookname;
cout<<"\n\t\t Book Price Is:"<<bookprice;
}
void Create();
void Add();
void Display();
void Modify();
void Delete();
fstream fio;
int main()
{
textmode(80);
textcolor(RED);
textbackground(WHITE);
int ch;
while(1)
{ //Main Function..
clrscr();
cout<<"\n\t\t\t || ******************** ||";
cout<<"\n\t\t\t || #######:MENU:####### ||";
cout<<"\n\t\t\t || ******************** ||";
cout<<"\n\t\t\t || 1. Create Data File. ||";
cout<<"\n\t\t\t || 2. Add New Record... ||";
cout<<"\n\t\t\t || 3. Display Record... ||";
cout<<"\n\t\t\t || 4. Modify Record.... ||";
cout<<"\n\t\t\t || 5. Delete Record.... ||";
cout<<"\n\t\t\t || 6. Exit Page........ ||";
cout<<"\n\t\t\t || ******************** ||";
cout<<"\n\t\t\t Enter Your Choice:";
cin>>ch;
switch(ch)
{
case 1: Create(); getch(); break;
case 2: Add(); getch(); break;
case 3: Display(); getch(); break;
case 4: Modify(); getch(); break;
case 5: Delete(); getch(); break;
case 6: exit(0);
default: {
cout<<"\n\t\t Wrong Choice.. Press Any Key..";
getch();
clrscr();
}
}
}
}
void Create() //Function To Create Data File..
{
char ch='y';
fio.open( "binary.dat" ,ios :: out | ios :: binary );
while(ch=='y')
{
b.input();
fio.write((char *)&b, sizeof(b));
cout<<"\n\t\t Do You Want To Continue ?";
cin>>ch;
}
fio.close();
}
void Add() //Function To Add New Record..
{
char ch='y';
fio.open( "binary.dat" , ios :: app | ios :: binary );
while(ch=='y')
{
b.input();
fio.write((char *)&b, sizeof(b));
cout<<"\n\t\t Do You Want To Continue ?";
cin>>ch;
}
fio.close();
}
void Display() //Function To Display Record..
{
int n;
cout<<"\n\t\t Enter Book Id To Be Searched For:";
cin>>n;
fio.open( "binary.dat" , ios :: in | ios :: binary );
if(!fio)
{
cout<<"\n\t\t File Not Found..";
exit(0);
}
else
{
fio.read((char *)&b, sizeof(b));
while(!fio.eof())
{
if(b.retst()==n)
{
b.show();
cout<<"\n\t\t Press Any Key..";
getch();
}
else
{
cout<<"\n\t\t Press Any Key..";
getch();
}
fio.read((char *)&b ,sizeof(b));
}
}
fio.close();
}
void Modify() //Function To Modify Record..
{
int i=0,n=0;
long pos;
fstream fio1( "binary.dat" , ios::in | ios::out | ios::binary );
cout<<"\n Enter Book Id To Modify The Record:"; cin >> n;
while(!fio1.eof())
{
pos = fio1.tellg();
fio1.read((char *) &b,sizeof(b));
if(b.retst()==n)
{
cout<<"\n Enter New Details:";
b.input();
fio1.seekg(pos);
fio1.write((char *) &b, sizeof(b));
cout<<"\n Record Is Modified..";
i='1'; break;
}
}
if(i=='0')
cout << "\n Not found";
fio1.close();
getch();
}
void Delete()
{ //Function To Delete Record..
char ch;
int i=0,n;
ifstream fio( "binary.dat" , ios::in | ios :: binary);
ofstream temp("temp.dat", ios::out | ios :: binary);
cout<<"\n Enter Book Id Whose Reocrd Is to be deleted:"; cin >> n;
while(!fio.eof())
{
fio.read((char *)&b, sizeof( b ));
if(b.retst()==n)
{
b.show();
cout<<"\n Do You Want To Delete This Record?";
cin >> ch;
if(ch=='n')
{
temp.write((char*) &b, sizeof( b ));
i=1;
}
}
else
temp.write((char*) &b, sizeof( b ));
}
fio.close();
temp.close();
if(i==1)
cout<<"\n Press Any Key..";
else
{
cout<<"\n Press Any Key..";
remove( "binary.dat" );
rename( "temp.dat" , "binary.dat" );
}
getch();
} //End..
// Completed..