library Management System
#include<windows.h>
using namespace std;
int com,l,temp,te,t=0,f,k=0,p,day,month,year,day1,month1,year1,fi,gi,v,go=0,in=0,li[100];
string ch;
ofstream outl;
class book
{
protected:
int id_book[1000],number_of_books[1000],d;
string book_name[1000],author_name[1000];
public:
void updatebook()
{
ofstream outfile;
outfile.open("input00.dat",ios::app);
outl.open("input5.dat");
cout<<"How Many Book You Want To Entry:"<<endl;
cin>>d;
for(int i=1; i<=d; i++)
{
cout<<"Enter book id number: ";
cin>>id_book[i];
cin.ignore();
outfile<<id_book[i]<<endl;
cout<<"Enter Books name: ";
cin>>book_name[i];
cin.ignore();
outfile<<book_name[i]<<endl;
cout<<"Enter author name of the book: ";
cin>>author_name[i];
cin.ignore();
outfile<<author_name[i]<<endl;
cout<<"Enter Number of books: ";
cin>>number_of_books[i];
cin.ignore();
if(go==1 && l==i)
{
number_of_books[i]--;
}
outfile<<number_of_books[i]<<endl;
}
outfile.close();
outl.close();
}
void showbook()
{
ifstream infile,inl;
infile.open("input00.dat",ios::app);
cout<<"\n"<<" "<<"*******Book List*******"<<endl<<endl;
cout<<"How Many Book You Want To See:"<<endl;
cin>>d;
for(int i=1; i<=d; i++)
{
cout<<"Book id number : ";
infile >>id_book[i] ;
cout << id_book[i] << endl<<endl ;
cout<<"Books name : ";
infile >>book_name[i];
cout << book_name[i]<< endl<<endl ;
cout<<"Author name : ";
infile >> author_name[i];
cout << author_name[i]<< endl<<endl ;
cout<<"Number of books: ";
infile >> number_of_books[i] ;
inl.open("input5.dat");
inl>>l;
//inl>>go;
if(go==1 && l==i)
{
number_of_books[i]--;
}
cout << number_of_books[i] << endl<<endl<<endl<<endl ;
}
inl.close();
infile.close();
}
void issue()
{
int l,k,n;
int flag=0,i=1;
outl.open("input5.dat");
cout<<"Enter Book ID:";
cin>>l;
go=1;
outl<<l<<endl;
//outl<<go<<endl;
cout<<"Enter Student ID:";
cin>>k;
cout<<"Enter Issue Day / Month /Year:";
cin>>day>>month>>year;
ifstream infile;
infile.open("input00.dat",ios::app);
while(flag!=1)
{
if(i==l)
{
cout<<"Previous Number Of Books: "<<number_of_books[i]<<endl;
number_of_books[i]--;
temp = number_of_books[i];
te = i;
cout<<"Current Number Of Books: "<<number_of_books[i]<<endl;
flag=1;
}
i++;
}
outl.close();
infile.close();
ofstream outfile;
outfile.open("input00.dat",ios::app);
for (int i=1; i<=te; i++)
{
if(i==te)
{
number_of_books[i]=temp;
cout<<"Current Number Of Books: "<<number_of_books[i]<<endl<<endl;
cout<<"**********Book Issue Complete For 7 days*********"<<endl;
outfile<<number_of_books[i]<<endl;
}
}
outfile.close();
}
void book_back()
{
go=0;
in=1;
cout<<"Enter Book ID:";
cin>>p;
cout<<"Enter Student ID:";
cin>>v;
cout<<"Book back Day / Month /Year:";
cin>>day1>>month1>>year1;
ifstream infile;
infile.open("input00.dat",ios::app);
number_of_books[p]++;
cout<<"Current Number Of Books: "<<number_of_books[p]<<endl<<endl<<endl;
infile.close();
fi=day1-day;
if(fi>7)
{
cout<<"He/She Is Backing Book After 7 Days.Fine is 25 Tk Per Day";
gi=fi-7;
cout<<"Now fine is:"<<gi*25<<endl;
}
else
cout<<"Now fine is: 0";
}
void search_book()
{
cout<<"Enter Book id:";
cin>>f;
while(1)
{
t++;
if(f==t)
{
cout<<"Book id number : ";
cout << id_book[t] << endl<<endl ;
cout<<"Books name : ";
cout << book_name[t]<< endl<<endl ;
cout<<"Author name : ";
cout << author_name[t]<< endl<<endl ;
cout<<"Number of books: ";
cout << number_of_books[t] << endl<<endl<<endl<<endl ;
break;
}
}
}
void search_book_name()
{
cout<<"Enter Book Name:";
cin>>ch;
while(1)
{
k++;
if(ch==book_name[k])
{
cout<<"Book id number : ";
cout << id_book[k] << endl<<endl ;
cout<<"Books name : ";
cout << book_name[k]<< endl<<endl ;
cout<<"Author name : ";
cout << author_name[k]<< endl<<endl ;
cout<<"Number of books: ";
cout << number_of_books[k] << endl<<endl<<endl<<endl ;
break;
}
}
}
};
class student:public book
{
protected:
int id_student[100],student_number[100],p,q;
string student_name[100],student_email[100];
public:
void updatestudent()
{
ofstream outfile;
outfile.open("input2.dat",ios::app);
cout<<"How Many Student Details You Want To Entry:"<<endl;
cin>>p;
for(int j=1; j<=p; j++)
{
cout<<"Enter Student id : ";
cin>>id_student[j];
cin.ignore();
outfile<<id_student[j]<<endl;
cout<<"Enter Student name: ";
cin>>student_name[j];
outfile<<student_name[j]<<endl;
cout<<"Enter Student Phone Number: ";
cin>>student_number[j];
outfile<<student_number[j]<<endl;
cout<<"Enter Student Email Address: ";
cin>>student_email[j];
outfile<<student_email[j]<<endl;
}
outfile.close();
}
void showstudent()
{
ifstream infile;
infile.open("input2.dat",ios::app);
cout<<" "<<"Student Details"<<endl;
cout<<"How Many Student Details You Want To See:"<<endl;
cin>>q;
for(int j=1; j<=q; j++)
{
cout<<"Student id : ";
infile >>id_student[j] ;
cout << id_student[j] << endl ;
infile >> student_name[j];
cout<<"Student name: ";
cout <<student_name[j]<< endl ;
infile >> student_number[j] ;
cout<<"Student Phone Number: ";
cout << student_number[j] << endl ;
infile >> student_email[j];
cout<<"Student Email Address: ";
cout << student_email[j]<< endl ;
}
infile.close();
}
};
class employee:public book
{
protected:
int id,c,g;
string data,data1;
public:
void updateemployee()
{
ofstream outfile;
outfile.open("input3.dat",ios::app);
cout<<"Enter Employee id : ";
cin>>id;
cin.ignore();
outfile<<id<<endl;
cout<<"Enter Employee name: ";
getline(cin,data);
outfile<<data<<endl;
cout<<"Enter Employee Phone Number: ";
getline(cin,data1);
outfile<<data1<<endl;
cout<<"Enter Employee Email Address: ";
cin>>c;
outfile<<c<<endl;
outfile.close();
}
void showemployee()
{
ifstream infile;
infile.open("input3u.dat");
cout<<" "<<"Employee Details"<<endl;
infile >>id ;
cout<<"Employee id : ";
cout << id << endl ;
infile >> data ;
cout<<"Employee name: ";
cout << data << endl ;
infile >> data1 ;
cout<<"Employee Phone Number: ";
cout << data1 << endl ;
infile >> c ;
cout<<"Employee Email Address: ";
cout << c << endl ;
infile.close();
}
};
int main()
{
int n,pass,x,f,j,l,k,day,month,year,ok,h,a1;
book b1;
student s1;
employee e1;
system("Color 1A");
cout<<"\n\n\n\n\n\n\n\n\n\n"<<" "<<"WELCOME TO LIBRARY MANAGEMENT SYSTEM";
Sleep(1000);
system("cls");
while(1)
{
cout<<" "<<"library Management System"<<endl;
cout<<endl;
cout<<"*********MAIN MENU*********"<<endl;
cout<<endl;
cout<<"1.Admin"<<endl;
cout<<endl;
cout<<"2.Student"<<endl;
cout<<endl;
cout<<"3.Employee"<<endl;
cout<<endl;
cout<<"4.Exit"<<endl;
cin>>x;
if(x==1)
{
while(1)
{
if(n==13)
{
n=0;
break;
}
cout<<"Enter Password:";
cin>>pass;
if(pass==123)
{
while(1)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
cout<<"*********ADMIN MAIN MENU*********"<<endl<<endl;
cout<<"Press 1 for update book details"<<endl<<endl;
cout<<"Press 2 for show book details"<<endl<<endl;
cout<<"Press 3 for update student details"<<endl<<endl;
cout<<"Press 4 for show student details"<<endl<<endl;
cout<<"Press 5 for update employee details"<<endl<<endl;
cout<<"Press 6 for show employee details"<<endl<<endl;
cout<<"Press 7 for Book Issue for student"<<endl<<endl;
cout<<"Press 8 for Book Back for employee"<<endl<<endl;
cout<<"Press 9 for Book Issue for employee"<<endl<<endl;
cout<<"Press 10 for Book Back for student"<<endl<<endl;
cout<<"Press 11 for Book Search With Id"<<endl<<endl;
cout<<"Press 12 for Book Search With Name"<<endl<<endl;
cout<<"Press 13 log out"<<endl;
cin>>n;
if(n==1)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
b1.updatebook();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==2)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
b1.showbook();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==3)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
s1.updatestudent();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==4)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
s1.showstudent();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==5)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
e1.updateemployee();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==6)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
e1.showemployee();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==7)
{
system("cls");
b1.issue();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==9)
{
system("cls");
b1.issue();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==10)
{
system("cls");
b1.book_back();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==11)
{
system("cls");
cout<<endl<<endl;
b1.search_book();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==12)
{
system("cls");
b1.search_book_name();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==8)
{
system("cls");
b1.book_back();
cout<<" "<<"Press 1 If You Want ADMIN MAIN MENU again"<<endl;
cin>>a1;
}
else if(n==13)
{
system("cls");
break;
}
}
}
else
{
//system("cls");
//cout<<" "<<"library Management System"<<endl;
cout<<endl;
cout<<"Wrong Password!!!!"<<endl<<endl;
cout<<"Try Again"<<endl<<endl;
}
}
}
else if(x==2)
{
while(1)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
cout<<"*********STUDENT MAIN MENU*********"<<endl<<endl;
cout<<"Press 1 for show book details"<<endl<<endl;
cout<<"Press 2 for Book Search With Id"<<endl<<endl;
cout<<"Press 3 for Book Search With Name"<<endl<<endl;
cout<<"Press 4 MAIN MENU"<<endl;
cin>>f;
if(f==1)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
b1.showbook();
cout<<" "<<"Press 1 If You Want STUDENT MAIN MENU again"<<endl;
cin>>a1;
}
else if(f==2)
{
system("cls");
cout<<endl<<endl;
b1.search_book();
cout<<" "<<"Press 1 If You Want STUDENT MAIN MENU again"<<endl;
cin>>a1;
}
else if(f==3)
{
system("cls");
b1.search_book_name();
cout<<" "<<"Press 1 If You Want STUDENT MAIN MENU again"<<endl;
cin>>a1;
}
else if(f==4)
{
break;
system("cls");
}
}
system("cls");
}
else if(x==3)
{
while(1)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
cout<<"*********EMPLOYEE MAIN MENU*********"<<endl<<endl;
cout<<"Press 1 for show book details"<<endl<<endl;
cout<<"Press 2 for Book Search With Id"<<endl<<endl;
cout<<"Press 3 for Book Search With Name"<<endl<<endl;
cout<<"Press 4 MAIN MENU"<<endl;
cin>>f;
if(f==1)
{
system("cls");
cout<<" "<<"library Management System"<<endl;
b1.showbook();
cout<<" "<<"Press 1 If You Want EMPLOYEE MAIN MENU again"<<endl;
cin>>a1;
}
else if(f==2)
{
system("cls");
cout<<endl<<endl;
b1.search_book();
cout<<" "<<"Press 1 If You Want EMPLOYEE MAIN MENU again"<<endl;
cin>>a1;
}
else if(f==3)
{
system("cls");
b1.search_book_name();
cout<<" "<<"Press 1 If You Want EMPLOYEE MAIN MENU again"<<endl;
cin>>a1;
}
else if(f==4)
{
break;
system("cls");
}
}
system("cls");
}
else if(x==4)
{
system("cls");
cout<<"\n\n\n\n\n\n\n\n"<<" "<<"Thank You For Using This :)"<<endl<<endl<<endl<<endl<<endl;
return 0;
}
/*cout<<endl;
cout<<" "<<"Press 1 If You Want MAIN MENU again"<<endl;
cin>>ok;
if(ok==1)
{
system("cls");
}*/
}
return 0;
}
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