//_____________________________________________________________________________________________________________ // //_______________________________________________________________________________________________________________ // MADE By kainat rasheed //_____________________________________________________________________________________________________________ // ( LIBRARY MANAMENT SYSTEM) //_______________________________________________________________________________________________________________ //_____________________________________________________________________________________________________________ // THESE ARE HEADER FILES USED HERE : //______________________________________________________________________________________________________________ #include // USED FOR READING AND WRITING #include // USED FOR HOLDING THE SCREEN #include // USED FOR STRINGS #include // USED FOR SETW () #include // USED FOR CIN AND COUT STATEMENTS using namespace std; // _____________________________________________________________________________________________________________ // CLASS 1 : " BOOK " OF TYPE " PUBLIC " //CLASS STARTED FROM HERE ..... //______________________________________________________________________________________________________________ class book // declare class { char book_number[30]; // DATA MEMBER DECLARATIONN WITH ARRAYS char book_name[50]; char author_name[20]; public: // ACCESS SPECIFIER //_______________________________________________________________________________________________________________ // MEMBER function 1 DECLARATION //________________________________________________________________________________________________________________ void create_book() // WRINTING BOOK { cout<<"\nEnter The Book Number: "; // input data cin>>book_number; cout<<"\nEnter The Name of The Book: "; cin.ignore(); // new line cin.getline(book_name,50); cout<<"\nEnter The Author's Name: "; cin.ignore(); cin.getline(author_name,50); cout<<"\t\t\n\nBook Created Successfully..."; } void show_book() // READING BOOK //_____________________________________________________________________________________________________________ // MEMBER function 2 DECLARATION //_______________________________________________________________________________________________________________ { cout<<"\nBook Number: "< //____________________________________________________________________________________________________ }; //____________________________________________________________________________________________________________ // CLASS : 2 , " STUDENT " OF TYPE " PUBLIC . //_____________________________________________________________________________________________________________ class student { char ID_number[20]; // DATA MEMBERS char Student_name[20]; char stbno[6]; int token ; public: // ACCESS SPECIFIER //___________________________________________________________________________________________________________________ // MEMBER FUNCTION 1 //___________________________________________________________________________________________________________________ void create_student() // ADDING STUDENT IN RECORDS { cout<<"\nEnter The ID Number to issue a book /n "; cin.ignore(); cin.getline(ID_number, 20) ;// geting data from user in array cout<<"\n\nEnter The Name of The Student: "; cin.ignore() ; // new line cin.getline (Student_name , 20) ; cout << " enter book no :"; cin.ignore() ; cin.getline( stbno , 6 ); cout << " token ? no of books issued" ; cin >> token; cout<<"\t\t\n\nStudent Record Created Successfully..."; } //_____________________________________________________________________________________________________________ // MEMBER FUNCTON 2 //_______________________________________________________________________________________________________________ void show_student() // READING STUDENT FROM RECORD { cout<<"\n\nID Number: "<> token ; } //_____________________________________________________________________________________________________________ //_______________________________________________________________________________________________________________ char* retID_number() { return ID_number; //returing variable } char* retStudent_name () { return Student_name;// returing variable } char* retstbno() { return stbno;// returing variable } int rettoken() { return token;// returing variable } void report() // declare a function to enlist the data {cout<<"\t"< // __________________________________________________________________________________________________ //_____________________________________________________________________________________________________________ // CREATIING FILES //______________________________________________________________________________________________________________ fstream fp,fp1; // FILES NAME DECLARATION IN READING AND WRINTING MODEES book bk; // declare ( bk ) of type class" book " student st; // declare ( st ) of type class " student " //_____________________________________________________________________________________________________________ // WRITING BOOK RECORD INTO FILE // function 1 //________________________________________________________________________________________________________________ void write_book() // DECLARATION OF MEMBER FUNCTION FOR RECORD FILE OF " BOOKS " { system("cls"); // CLEARING SCREEN int more_or_main; // NAMING A FILE " BOOK " OF TYPE " DATA" AS " (FP)" fp.open("books.dat",ios::out|ios::app); // opeming a file , and appending the record for books do // USE OF DO WHILE LOOP { bk.create_book(); fp.write((char*)&bk,sizeof(book)); cout<<"\nPress 1 to add more books .\n\n"; cout<<"\nPress 2 to return to main menu.\n\n"; cout<<"Enter: \n"; cin>>more_or_main; } while(more_or_main == 1); fp.close(); // closing file } //_____________________________________________________________________________________________________________ //function 2 //DECLARATION OF MEMBER FUNCTION FOR RECORD FILE OF " students" //_______________________________________________________________________________________________ void write_student() // writing to the file { system("cls"); // clearing scream int more_or_main; fp.open("students.dat",ios::out|ios::app); // opeming a file , and appending the record for students do { st.create_student(); fp.write((char*)&st,sizeof(student)); cout<<"\n\nPress 1 to add more students to issue a book .\n\n"; cout<<"\nPress 2 to return to main menu.\n\n"; cout<<"Enter: \n"; cin>>more_or_main; }while(more_or_main == 1); fp.close(); // closing the file } //_____________________________________________________________________________________________________________ // function 3 // to display specific book from record //______________________________________________________________________________________________________________ void display_a_book(char n[]) { system("cls"); // clear screen cout << "\n search a book\n\n "; cout<<"\nBOOK DETAILS\n"; int check=0; fp.open("books.dat",ios::in); // opening file in reading mode while(fp.read((char*)&bk,sizeof(book))) { if(strcmpi(bk.retbooknumber(),n)==0) { bk.show_book(); check=1; } } fp.close(); if(check==0) cout<<"\n\nBook does not exist"; getch(); // holding iiscreen } //_____________________________________________________________________________________________________________ // function 4 // displaying specific student from records //_______________________________________________________________________________________________________________ void display_a_student(char n[]) { system("cls"); // clearing screen cout << " \n\n search any student from record\n\n " ; cout<<"\nSTUDENT DETAILS\n"; int check=0; fp.open("students.dat",ios::in); // opening file in reading mode while(fp.read((char*)&st,sizeof(student))) { if((strcmpi(st.retID_number(),n)==0)) { st.show_student(); check=1; } } fp.close(); // closing file if(check==0) cout<<"\n\nStudent does not exist"; getch(); } //_____________________________________________________________________________________________________________ // function 5 // modifying books //_______________________________________________________________________________________________________________ void modify_book() { system("cls"); // clearing screen char n[20]; // declaring array int found=0; cout<<"\n\n\tMODIFY BOOK"; cout<<"\n\n\tEnter The book number: "; cin>>n; fp.open("books.dat",ios::in|ios::out); // opening file in reading and writing mode while(fp.read((char*)&bk,sizeof(book)) && found==0) // using do while loop { if(strcmpi(bk.retbooknumber(),n)==0) { bk.show_book(); cout<<"\nEnter The New Details of book"<>n; fp.open("students.dat",ios::in|ios::out); // opening file in reading writing mode while(fp.read((char*)&st,sizeof(student)) && found==0) { if(strcmpi(st.retID_number(),n)==0) { st.show_student(); cout<<"\nEnter The New Details of student\n"<>n; fp.open("students.dat",ios::in|ios::out); //OPENING FILE IN READING WRITING MODES fstream fp2; // CREAT FILE fp2.open("Temp1.dat",ios::out); // CREATING TEMPORARY FILE fp.seekg(0,ios::beg); while(fp.read((char*)&st,sizeof(student))) // use of do while loop { if(strcmpi(st.retID_number(),n)!=0) fp2.write((char*)&st,sizeof(student)); else flag=1; } fp2.close(); // CLOSING ORIGNAL FILE fp.close(); // CLOSING TEMPORARY FILE remove("students.dat"); // REMOVING DELETED DATA rename("Temp1.dat","students.dat"); // CONVERSION OF FILE DATA if(flag==1) cout<<"\n\n\t book is returned and student is deleted from the record ..\n"; else cout<<"\n\nRecord not found\n"; getch(); } //_____________________________________________________________________________________________________________ // function 8 // delting books from file //_______________________________________________________________________________________________________________ void delete_book() { system("cls"); // clear screen char n[20]; // declaring array int flag=0; // seting flag cout<<"\n\n\n\tDELETE BOOK from book list "; cout<<"\n\nEnter The Book's number You Want To Delete: "; cin>>n; fp.open("books.dat",ios::in|ios::out); // opening file in reading writing mode fstream fp2; // creating a temporary file fp2.open("Temp1.dat",ios::out); // opening a temporary file fp.seekg(0,ios::beg); while(fp.read((char*)&bk,sizeof(book))) { if(strcmpi(bk.retbooknumber(),n)!=0) { fp2.write((char*)&bk,sizeof(book)); } else flag=1; } fp2.close(); // closing temporary file fp.close(); // closing orignal file remove("books.dat"); // removing record from file rename("Temp1.dat","books.dat"); // converting data into new if(flag==1) cout<<"\n\n\tRecord Deleted .."; else cout<<"\n\nRecord not found"; getch(); } //_____________________________________________________________________________________________________________ // function 9 // display all student from record //_______________________________________________________________________________________________________________ void display_all_students() { system("cls"); // clear screen fp.open("students.dat",ios::in);// opening file in reading mode if(!fp) // if file is open { cout<<"ERROR!!! FILE COULD NOT BE OPEN "; getch(); return; } cout<<"\n\n\t\tSTUDENT LIST\n\n"; // output the list of books records cout<<"==================================================================\n"; cout<<"==================================================================\n"; cout<<"\t|ID Number.|"< \n "; cout<<"\n\n\t\t made. by kainat rasheed \n " ; cout<<"\n \t\t | welcome to my library project | "; cout<<"\n\n\n MESSAGE : (this program can issue return,update,creat,read,modify,\n"; cout<<" ---------------------delete,search (student/book )------------------- " ; cout<< "\n\n\n\n STARTING LIBRARY ... \n"; } //____________________________________________________________________________________________________ // function 12 // display menu for books //_____________________________________________________________________________________________________ void book_menu() { int option; cout<<"\n\n\n\t\t_____________________________________________"; cout<<"\n\t\tPress 1|CREATE BOOKS and add to the list"; cout<<"\n\t\tPress 2|list of BOOKS"; cout<<"\n\t\tPress 3|search a BOOK"; cout<<"\n\t\tPress 4|MODIFY BOOKS"; cout<<"\n\t\tPress 5|DELETE BOOK from list "; cout<<"\n\t\tPress 6|to GO BACK TO MAIN MENU"; cout<<"\n\t\t______________________________________________________\n"; cout<<"\n\t\tOption: "; cin>>option; //________________________________________________________________________________________________________ // calling functions // //__________________________________________________________________________________________________________ switch(option) // using cas and break { case 1: system("cls"); // clear screen write_book(); break; case 2: display_allb(); // calling function break; case 3: char num[20]; system("cls");// clear screen cout<<"\n\n\tPlease Enter The book No. "; cin>>num; display_a_book(num); break; case 4: modify_book();break; case 5: delete_book();break; case 6: system("cls"); break; default:cout<<"\a"; } } //__________________________________________________________________________________________________________ // function 1 //____________________________________________________________________________________________________________ void student_menu() { int option; cout<<"\t\t__________________________________________"; cout<<"\n\t\tPress 1 |ISSUE A BOOK AND CREATE STUDENT RECORD\n"; cout<<"\n\t\tPress 2 | LIST OF STUDENT RECORD\n"; cout<<"\n\t\tPress 3 | SEARCH STUDENT\n"; cout<<"\n\t\tPress 4 | MODIFY STUDENT RECORD\n"; cout<<"\n\t\tPress 5 | RETURN A BOOK DELETE STUDENT FROM RECORD\n"; cout<<"\n\t\tPress 6| GO BACK TO MAIN MENU\n"; cout<<"\n\t\t_________________________________________________\n"; cout<<"\n\t\tOption: \n"; cin>>option; switch(option) //_______________________________________________________________________________________ // use of case and break // for calling functiom //______________________________________________________________________________________ { case 1: system("cls"); write_student(); break; case 2: system("cls"); display_all_students(); break; case 3: char num[20]; system("cls"); cout<<"\n\n\tPlease Enter The ID Number: "; cin>>num; display_a_student(num); break; case 4:system("cls"); modify_student();break; case 5: system("cls"); delete_student();break; case 6: break; default:cout<<"\a"; } } // ********************** // *********************** // main function // start from here // *********************** // *********************** int main() { int option = 0; //__________________________________________________________________________________________ //use of for loop //__________________________________________________________________________________________ for(;;) { //____________________________________________________________________________________________ // function 1 // to display main page //______________________________________________________________________________________________ intro(); // calling function cout<<"\n\n\n\n\t_________________________________________________________\n"; cout<<"\n\tPress 1| STUDENT CORNER (search-delete-modify-list) \n"; cout<<"\n\tPress 2|BOOKS CORNER(search-delete-modify-list) \n"; cout<<"\n\tPress 3| LOGOUT " ; cout<<"\n\t_________________________________________________________\n"; cout<<"\n\t\tOption:\n "; cin>>option; switch(option) { case 1:system("cls"); student_menu(); break; case 2:system("cls"); book_menu(); break; case 3:exit(0); break; default :cout<<"\a"; exit(0); //_______________________________________________________________________________________________ // < program ends here > } } }

library.managment project (easiest ) by kainat rasheed.