LIBRARY MANAGEMENT SYSTEM PROJECT

 LIBRARY MANAGEMENT SYSTEM PROJECT

#include<fstream.h>

#include<conio.h>

#include<stdio.h>

#include<process.h>

#include<string.h>

#include<iomanip.h>

class book

{

char bno[6];

char bname[50];

char aname[20];

  public:

void create_book()

{

cout<<"\nNEW BOOK ENTRY...\n";

cout<<"\nEnter The book no.";

cin>>bno;

cout<<"\n\nEnter The Name of The Book ";

gets(bname);

cout<<"\n\nEnter The Author's Name ";

gets(aname);

cout<<"\n\n\nBook Created..";

}

void show_book()

{

cout<<"\nBook no. : "<<bno;

cout<<"\nBook Name : ";

puts(bname);

cout<<"Author Name : ";

puts(aname);

}

void modify_book()

{

cout<<"\nBook no. : "<<bno;

cout<<"\nModify Book Name : ";

gets(bname);

cout<<"\nModify Author's Name of Book : ";

gets(aname);

}

char* retbno()

{

return bno;

}

void report()

{

                 cout<<bno<<setw(30)<<bname<<setw(30)<<aname<<endl;}

};      

class student

{

char admno[6];

char name[20];

char stbno[6];

int token;

public:

void create_student()

{

clrscr();

cout<<"\nNEW STUDENT ENTRY...\n";

cout<<"\nEnter The admission no. ";

cin>>admno;

cout<<"\n\nEnter The Name of The Student ";

gets(name);

token=0;

stbno[0]='/0';

cout<<"\n\nStudent Record Created..";

}

void show_student()

{

cout<<"\nAdmission no. : "<<admno;

cout<<"\nStudent Name : ";

puts(name);

cout<<"\nNo of Book issued : "<<token;

if(token==1)

cout<<"\nBook No "<<stbno;

}

void modify_student()

{

cout<<"\nAdmission no. : "<<admno;

cout<<"\nModify Student Name : ";

gets(name);

}

                 char* retadmno()

{

return admno;

}

                 char* retstbno()

{

return stbno;

}

int rettoken()

{

return token;

}

              void addtoken()

{token=1;}

void resettoken()

{token=0;}

void getstbno(char t[])

{

strcpy(stbno,t);

}

void report()

{cout<<"\t"<<admno<<setw(20)<<name<<setw(10)<<token<<endl;}

};  

fstream fp,fp1;

book bk;

student st;

void write_book()

{

char ch;

fp.open("book.dat",ios::out|ios::app);

do

{

clrscr();

bk.create_book();

fp.write((char*)&bk,sizeof(book));

cout<<"\n\nDo you want to add more record..(y/n?)";

cin>>ch;

}while(ch=='y'||ch=='Y');

fp.close();

}

void write_student()

{

char ch;

fp.open("student.dat",ios::out|ios::app);

do

{

st.create_student();

fp.write((char*)&st,sizeof(student));

cout<<"\n\ndo you want to add more record..(y/n?)";

cin>>ch;

}while(ch=='y'||ch=='Y');

fp.close();

}

void display_spb(char n[])

{

cout<<"\nBOOK DETAILS\n";

int flag=0;

fp.open("book.dat",ios::in);

while(fp.read((char*)&bk,sizeof(book)))

{

if(strcmpi(bk.retbno(),n)==0)

{

bk.show_book();

flag=1;

}

}

fp.close();

if(flag==0)

cout<<"\n\nBook does not exist";

getch();

}

void display_sps(char n[])

{

cout<<"\nSTUDENT DETAILS\n";

int flag=0;

fp.open("student.dat",ios::in);

while(fp.read((char*)&st,sizeof(student)))

{

if((strcmpi(st.retadmno(),n)==0))

{

st.show_student();

flag=1;

}

}

fp.close();

if(flag==0)

    cout<<"\n\nStudent does not exist";

  getch();

}

void modify_book()

{

char n[6];

int found=0;

clrscr();

cout<<"\n\n\tMODIFY BOOK REOCORD.... ";

cout<<"\n\n\tEnter The book no. of The book";

cin>>n;

fp.open("book.dat",ios::in|ios::out);

while(fp.read((char*)&bk,sizeof(book)) && found==0)

{

if(strcmpi(bk.retbno(),n)==0)

{

bk.show_book();

cout<<"\nEnter The New Details of book"<<endl;

bk.modify_book();

int pos=-1*sizeof(bk);

    fp.seekp(pos,ios::cur);

    fp.write((char*)&bk,sizeof(book));

    cout<<"\n\n\t Record Updated";

    found=1;

}

}

    fp.close();

    if(found==0)

    cout<<"\n\n Record Not Found ";

    getch();

}

void modify_student()

{

char n[6];

int found=0;

clrscr();

cout<<"\n\n\tMODIFY STUDENT RECORD... ";

cout<<"\n\n\tEnter The admission no. of The student";

cin>>n;

fp.open("student.dat",ios::in|ios::out);

while(fp.read((char*)&st,sizeof(student)) && found==0)

{

if(strcmpi(st.retadmno(),n)==0)

{

st.show_student();

cout<<"\nEnter The New Details of student"<<endl;

st.modify_student();

int pos=-1*sizeof(st);

fp.seekp(pos,ios::cur);

fp.write((char*)&st,sizeof(student));

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

found=1;

}

}

fp.close();

if(found==0)

cout<<"\n\n Record Not Found ";

getch();

}

void delete_student()

{

char n[6];

int flag=0;

clrscr();

    cout<<"\n\n\n\tDELETE STUDENT...";

    cout<<"\n\nEnter The admission no. of the Student You Want To Delete : ";

    cin>>n;

    fp.open("student.dat",ios::in|ios::out);

    fstream fp2;

    fp2.open("Temp.dat",ios::out);

    fp.seekg(0,ios::beg);

    while(fp.read((char*)&st,sizeof(student)))

{

if(strcmpi(st.retadmno(),n)!=0)

      fp2.write((char*)&st,sizeof(student));

else

    flag=1;

}

   

fp2.close();

    fp.close();

    remove("student.dat");

    rename("Temp.dat","student.dat");

    if(flag==1)

      cout<<"\n\n\tRecord Deleted ..";

    else

      cout<<"\n\nRecord not found";

    getch();

}

void delete_book()

{

char n[6];

clrscr();

cout<<"\n\n\n\tDELETE BOOK ...";

cout<<"\n\nEnter The Book no. of the Book You Want To Delete : ";

cin>>n;

fp.open("book.dat",ios::in|ios::out);

fstream fp2;

fp2.open("Temp.dat",ios::out);

fp.seekg(0,ios::beg);

while(fp.read((char*)&bk,sizeof(book)))

{

if(strcmpi(bk.retbno(),n)!=0)  

{

fp2.write((char*)&bk,sizeof(book));

}

}

   

fp2.close();

    fp.close();

    remove("book.dat");

    rename("Temp.dat","book.dat");

    cout<<"\n\n\tRecord Deleted ..";

    getch();

}

void display_alls()

{

clrscr();

      fp.open("student.dat",ios::in);

      if(!fp)

      {

        cout<<"ERROR!!! FILE COULD NOT BE OPEN ";

        getch();

        return;

      }

cout<<"\n\n\t\tSTUDENT LIST\n\n";

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

cout<<"\tAdmission No."<<setw(10)<<"Name"<<setw(20)<<"Book Issued\n";

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

        while(fp.read((char*)&st,sizeof(student)))

{

st.report();

}

     

fp.close();

getch();

}

void display_allb()

{

clrscr();

fp.open("book.dat",ios::in);

if(!fp)

{

cout<<"ERROR!!! FILE COULD NOT BE OPEN ";

        getch();

        return;

      }

cout<<"\n\n\t\tBook LIST\n\n";

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

cout<<"Book Number"<<setw(20)<<"Book Name"<<setw(25)<<"Author\n";

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

         while(fp.read((char*)&bk,sizeof(book)))

{

bk.report();

}

      fp.close();

      getch();

}

void intro()

{

clrscr();

gotoxy(35,11);

cout<<"LIBRARY";

gotoxy(35,14);

cout<<"MANAGEMENT";

gotoxy(35,17);

cout<<"SYSTEM";

cout<<"\n\nMADE BY : YOUR NAME";

cout<<"\n\nSCHOOL : SCHOOL NAME";

getch();

}

void admin_menu()

{

clrscr();

int ch2;

cout<<"\n\n\n\tADMINISTRATOR MENU";

cout<<"\n\n\t1.CREATE STUDENT RECORD";

cout<<"\n\n\t2.DISPLAY ALL STUDENTS RECORD";

cout<<"\n\n\t3.DISPLAY SPECIFIC STUDENT RECORD ";

cout<<"\n\n\t4.MODIFY STUDENT RECORD";

cout<<"\n\n\t5.DELETE STUDENT RECORD";

cout<<"\n\n\t6.CREATE BOOK ";

cout<<"\n\n\t7.DISPLAY ALL BOOKS ";

cout<<"\n\n\t8.DISPLAY SPECIFIC BOOK ";

cout<<"\n\n\t9.MODIFY BOOK ";

cout<<"\n\n\t10.DELETE BOOK ";

cout<<"\n\n\t11.BACK TO MAIN MENU";

cout<<"\n\n\tPlease Enter Your Choice (1-11) ";

cin>>ch2;

switch(ch2)

{

    case 1: clrscr();

    write_student();break;

    case 2: display_alls();break;

    case 3:

        char num[6];

        clrscr();

        cout<<"\n\n\tPlease Enter The Admission No. ";

        cin>>num;

        display_sps(num);

        break;

      case 4: modify_student();break;

      case 5: delete_student();break;

case 6: clrscr();

write_book();break;

case 7: display_allb();break;

case 8: {

        char num[6];

        clrscr();

        cout<<"\n\n\tPlease Enter The book No. ";

        cin>>num;

        display_spb(num);

        break;

}

      case 9: modify_book();break;

      case 10: delete_book();break;

      case 11: return;

      default:cout<<"\a";

    }

    admin_menu();

}

void main()

{

char ch;

intro();

do

{

clrscr();

cout<<"\n\n\n\tMAIN MENU";

cout<<"\n\n\t01. BOOK ISSUE";

cout<<"\n\n\t02. BOOK DEPOSIT";

  cout<<"\n\n\t03. ADMINISTRATOR MENU";

  cout<<"\n\n\t04. EXIT";

  cout<<"\n\n\tPlease Select Your Option (1-4) ";

  ch=getche();

  switch(ch)

  {

case '1':clrscr();

book_issue();

    break;

  case '2':book_deposit();

    break;

  case '3':admin_menu();

break;

  case '4':exit(0);

  default :cout<<"\a";

}

    }while(ch!='4');

}

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

END OF PROJECT

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

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C++ project on hotel management

C++ Project on Hotel Management

#include<iostream>
#include<string.h>
#include<conio.h>

#define max 100
using namespace std;
//Class Customer
class Customer
{
public:
char name[100];
char address[100];
char phone[12];
char from_date[20];
char to_date[20];
float payment_advance;
int booking_id;
};
class Room
{
public:
char type;
char stype;
char ac;
int roomNumber;
int rent;
int status;
class Customer cust;
class Room addRoom(int);
void searchRoom(int);
void deleteRoom(int);
void displayRoom(Room);
};
//Global Declarations
class Room rooms[max];
int count=0;
Room Room::addRoom(int rno)
{
class Room room;
room.roomNumber=rno;
cout<<"\nType AC/Non-AC (A/N) : ";
cin>>room.ac;
cout<<"\nType Comfort (S/N) : ";
cin>>room.type;
cout<<"\nType Size (B/S) : ";
cin>>room.stype;
cout<<"\nDaily Rent : ";
cin>>room.rent;
room.status=0;
cout<<"\n Room Added Successfully!";
getch();
return room;
}
void Room::searchRoom(int rno)
{
int i,found=0;
for(i=0;i<count;i++)
{
if(rooms[i].roomNumber==rno)
{
found=1;
break;
}
}
if(found==1)
{
cout<<"Room Details\n";
if(rooms[i].status==1)
{
cout<<"\nRoom is Reserved";
}
else
{
cout<<"\nRoom is available";
}
displayRoom(rooms[i]);
getch();
}
else
{
cout<<"\nRoom not found";
getch();
}
}
void Room::displayRoom(Room tempRoom)
{
cout<<"\nRoom Number: \t"<<tempRoom.roomNumber;
cout<<"\nType AC/Non-AC (A/N) "<<tempRoom.ac;
cout<<"\nType Comfort (S/N) "<<tempRoom.type;
cout<<"\nType Size (B/S) "<<tempRoom.stype;
cout<<"\nRent: "<<tempRoom.rent;
}
//hotel management class
class HotelMgnt:protected Room
{
public:
void checkIn();
void getAvailRoom();
void searchCustomer(char *);
void checkOut(int);
void guestSummaryReport();
};
void HotelMgnt::guestSummaryReport(){
if(count==0){
 cout<<"\n No Guest in Hotel !!";
} 
for(int i=0;i<count;i++)
{
if(rooms[i].status==1)
{
cout<<"\n Customer First Name : "<<rooms[i].cust.name;
cout<<"\n Room Number : "<<rooms[i].roomNumber;
cout<<"\n Address (only city) : "<<rooms[i].cust.address;
cout<<"\n Phone : "<<rooms[i].cust.phone;
cout<<"\n---------------------------------------"; 
} 
}
getch();
}
//hotel management reservation of room
void HotelMgnt::checkIn()
{
int i,found=0,rno;

class Room room;
cout<<"\nEnter Room number : ";
cin>>rno;
for(i=0;i<count;i++)
{
if(rooms[i].roomNumber==rno)
{
found=1;
break;
}
}
if(found==1)
{
if(rooms[i].status==1)
{
cout<<"\nRoom is already Booked";
getch();
return;
}
cout<<"\nEnter booking id: ";
cin>>rooms[i].cust.booking_id;
cout<<"\nEnter Customer Name (First Name): ";
cin>>rooms[i].cust.name;
cout<<"\nEnter Address (only city): ";
cin>>rooms[i].cust.address;
cout<<"\nEnter Phone: ";
cin>>rooms[i].cust.phone;
cout<<"\nEnter From Date: ";
cin>>rooms[i].cust.from_date;
cout<<"\nEnter to  Date: ";
cin>>rooms[i].cust.to_date;
cout<<"\nEnter Advance Payment: ";
cin>>rooms[i].cust.payment_advance;
rooms[i].status=1;
cout<<"\n Customer Checked-in Successfully..";
getch();
}
}
//hotel management shows available rooms
void HotelMgnt::getAvailRoom()
{
int i,found=0;
for(i=0;i<count;i++)
{
if(rooms[i].status==0)
{
displayRoom(rooms[i]);
cout<<"\n\nPress enter for next room";
found=1;
getch();
}
}
if(found==0)
{
cout<<"\nAll rooms are reserved";
getch();
}
}
//hotel management shows all persons that have booked room
void HotelMgnt::searchCustomer(char *pname)
{
int i,found=0;
for(i=0;i<count;i++)
{
if(rooms[i].status==1 && stricmp(rooms[i].cust.name,pname)==0)
{
cout<<"\nCustomer Name: "<<rooms[i].cust.name;
cout<<"\nRoom Number: "<<rooms[i].roomNumber;
cout<<"\n\nPress enter for next record";
found=1;
getch();
}
}
if(found==0)
{
cout<<"\nPerson not found.";
getch();
}
}
//hotel managemt generates the bill of the expenses
void HotelMgnt::checkOut(int roomNum)
{
int i,found=0,days,rno;
float billAmount=0;
for(i=0;i<count;i++)
{
if(rooms[i].status==1 && rooms[i].roomNumber==roomNum)
{
//rno = rooms[i].roomNumber;
found=1;
//getch();
break;
}
}
if(found==1)
{
cout<<"\nEnter Number of Days:\t";
cin>>days;
billAmount=days * rooms[i].rent;
cout<<"\n\t######## CheckOut Details ########\n";
cout<<"\nCustomer Name : "<<rooms[i].cust.name;
cout<<"\nRoom Number : "<<rooms[i].roomNumber;
cout<<"\nAddress : "<<rooms[i].cust.address;
cout<<"\nPhone : "<<rooms[i].cust.phone;
cout<<"\nTotal Amount Due : "<<billAmount<<" /";
cout<<"\nAdvance Paid: "<<rooms[i].cust.payment_advance<<" /";
cout<<"\n*** Total Payable: "<<billAmount-rooms[i].cust.payment_advance<<"/ only";
rooms[i].status=0;
}
getch();
}
//managing rooms (adding and searching available rooms)
void manageRooms()
{
class Room room;
int opt,rno,i,flag=0;
char ch;
do
{
system("cls");
cout<<"\n### Manage Rooms ###";
cout<<"\n1. Add Room";
cout<<"\n2. Search Room";
cout<<"\n3. Back to Main Menu";
cout<<"\n\nEnter Option: ";
cin>>opt;
//switch statement
switch(opt)
{

case 1:
cout<<"\nEnter Room Number: ";
cin>>rno
i=0;
for(i=0;i<count;i++)
{
if(rooms[i].roomNumber==rno)
{
flag=1;
}
}
if(flag==1)
{
cout<<"\nRoom Number is Present.\nPlease enter unique Number";
flag=0;
getch();
}
else
{
rooms[count]=room.addRoom(rno);
count++;
}
break;

case 2:
cout<<"\nEnter room number: ";
cin>>rno;
room.searchRoom(rno);
break;

case 3:
//nothing to do
break;
default:
cout<<"\nPlease Enter correct option";
break;
}
}while(opt!=3);
}
using namespace std;
int main()
{
class HotelMgnt hm;
int i,j,opt,rno;
char ch;
char pname[100];
system("cls");
do
{
system("cls");
cout<<"######## Hotel Management #########\n";
cout<<"\n1. Manage Rooms";
cout<<"\n2. Check-In Room";
cout<<"\n3. Available Rooms";
cout<<"\n4. Search Customer";
cout<<"\n5. Check-Out Room";
cout<<"\n6. Guest Summary Report";
cout<<"\n7. Exit";
cout<<"\n\nEnter Option: ";
cin>>opt;
switch(opt)
{

case 1:
manageRooms();
break;
case 2:
if(count==0)
{
cout<<"\nRooms data is not available.\nPlease add the rooms first.";
getch();
}
else
hm.checkIn();
break;

case 3:
if(count==0)
{
cout<<"\nRooms data is not available.\nPlease add the rooms first.";
getch();
}
else
hm.getAvailRoom();
break

case 4:
if(count==0)
{
cout<<"\nRooms are not available.\nPlease add the rooms first.";
getch();
}
else
{
cout<<"Enter Customer Name: ";
cin>>pname;
hm.searchCustomer(pname);
}
break;
case 5:
if(count==0)
{
cout<<"\nRooms are not available.\nPlease add the rooms first.";
getch();
}
else
{
cout<<"Enter Room Number : ";
cin>>rno;
hm.checkOut(rno);
}
break;

case 6:
hm.guestSummaryReport(); 
break;

case 7:
cout<<"\nTHANK YOU! FOR USING SOFTWARE";
break;
default:
cout<<"\nPlease Enter correct option";
break;
}
}while(opt!=7);
getch();

}

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