Hala Haneya

السلام عليكم ..

المشكلة في الكود انه لا يظهر الuser input لكن يظهر كل شيء تاني. ايش ممكن تكون المشكلة؟

The header file
 

#ifndef BOOKTYPE_H
#define BOOKTYPE_H

#include <iostream>
#include <string>

using namespace std;

class bookType
{
public:
    // constructor
    bookType();
    bookType(string title , int noOfAuthors,
        string authors[4], string publisher,
        int ISBN, double price, int noOfCopies);

    // functions
    void setTitle(string t); // sets title
    string getTitle() const; // returns title
    void showTitle();        // shows title
        
    void setNoOfAuthors(int numA); // sets no of authors
    int getNoOfAuthors();          // returns no of authors
    void showNoOfAuthors();        // shows no of authors

    void setAuthors(string authors[4]); // sets authors array
    string getAuthors() const;          // returns authors
    void showAuthors();                 // shows authors

    void setPublisher(string pblshr); // sets publisher
    string getPublisher() const;      // returns publisher
    void showPublisher();            // shows publisher

    void setISBN(int isbn); // sets isbn
    int getISBN() const;    // returns isbn
    void showISBN();        // shows isbn

    void setPrice(int pr);   // sets price
    double getPrice() const; // returns price
    void showPrice();        // shows price

    void setCopies(int numC); // sets no of copies
    int getCopies() const;    // returns no of copies
    void showCopies();        // shows no of copies

    void printBookInfo();    // prints books information
    void updateNoOfCopies(int n); // updates no of copies of books
    void search(char respnse);           // searches by title or ISBN

private:
    // attributes
    string title, authors[4], publisher;
    int ISBN, noOfCopies, noOfAuthors, var, n;
    double price;
    char response;

};

#endif // BOOKTYPE_H

The cpp file
 

#include "bookType.h"

bookType::bookType()
{
    title = "";
    noOfAuthors = 0;
    authors[0] = "";
    authors[1] = "";
    authors[2] = "";
    authors[3] = "";
    publisher = "";
    ISBN = 0;
    price = 0.0;
    noOfCopies = 0;
}

bookType::bookType(string title, int noOfAuthors,
    string authors[4], string publisher,
    int ISBN, double price, int noOfCopies)
{
    title = "";
    noOfAuthors = 0;
    authors[0] = "";
    authors[1] = "";
    authors[2] = "";
    authors[3] = "";
    publisher = "";
    ISBN = 0;
    price = 0.0;
    noOfCopies = 0;
    
} // end constructor
bookType books[5];
void bookType::setTitle(string t)
{
    title = t;
}
string bookType::getTitle() const
{
    return title;
}
void bookType::showTitle()
{
    cout << "\nTitle: ";
    cout << title;
}
void bookType::setNoOfAuthors(int numA)
{
    if(numA >= 0) {
    noOfAuthors = numA;
    } else
    noOfAuthors = 0;
}
int bookType::getNoOfAuthors()
{
    return noOfAuthors;
}
void bookType::showNoOfAuthors()
{
    cout << "\nNumber of Authors: " << noOfAuthors << endl;
}
void bookType::setAuthors(string authors[4])
{
    for(int i = 0; i < 4; i++) {
        cout << "\nAuthor " << i + 1 << ": ";
        cin >> authors[i];
    } // end for
}
string bookType::getAuthors() const
{
    //return authorName;
    for(int i = 0; i < 4; i++) {
    return authors[i];
    }
}
void bookType::showAuthors()
{
       cout <<"\nAuthor(s)";
       if (authors[0] != "")
              cout << authors[0];
       if (authors[1] != "")
              cout <<", "<< authors[1];
       if (authors[2] != "")
              cout <<", "<< authors[2];
       if (authors[3] != "")
              cout <<", "<< authors[3];
       cout << endl;
}
void bookType::setPublisher(string pblshr)
{
    publisher = pblshr;
}
string bookType::getPublisher() const
{
    return publisher;
}
void bookType::showPublisher()
{
    cout << "\nPublisher: " ;
    cout << publisher;
}
void bookType::setISBN(int isbn)
{
    ISBN = isbn;
}
int bookType::getISBN() const
{
    return ISBN;
}
void bookType::showISBN()
{
    cout << "\nISBN: ";
    cout << ISBN;
}
void bookType::setPrice(int pr)
{
    if(pr >= 0) {
    price = pr;
    } else
    price = 0;
}
double bookType::getPrice() const
{
    return price;
}
void bookType::showPrice()
{
    cout << "\nPrice: ";
    cout << price;
}
void bookType::setCopies(int numC)
{
    if(numC >= 0) {
    noOfCopies = numC;
    } else
    noOfCopies = 0;
}
int bookType::getCopies() const
{
    return noOfCopies;
}
void bookType::showCopies()
{
    cout << "\nNumber of Copies: ";
    cout << noOfCopies;
}
void bookType::printBookInfo()
{    showTitle();
    showNoOfAuthors();
    showAuthors();
    showPublisher();
    showISBN();
    showPrice();
    showCopies();
} // end printBookInfo
void bookType::updateNoOfCopies(int n)
{
    n = noOfCopies;
}
void bookType::search(char response) // searches by title or ISBN
{    if(response == 'y')
    {
    cout << "Enter 1 to search by title or 2 by ISBN: ";
    cin >> var;
    switch(var) {
    case 1:
    {
    cout << "Enter book title: ";
    string newTitle;
    cin >> newTitle;
    for(int j = 0; j < 5; j++) {
        string temp = books[j].getTitle();
        if(newTitle == temp) {
        books[j].printBookInfo();
        } // end if
    } // end for loop
    break;
    } // end case1
    case 2 :
    {
    cout << "Enter book ISBN: ";
    int newISBN;
    cin >> newISBN;
    for(int i = 0; i < 5; i++) {
        int temp = books[i].getISBN();
        if(newISBN = temp) {
        books[i].printBookInfo();
        } // end if
    } // end for loop
    break;
    } // end case2
    default :
    {
    cout << "Invalid Input!";
            } // end default
        } // end switch
    }// end if
    else
        cout << "Thank you!";
} // end search

The main file
 

#include <iostream>
#include "bookType.h"

int main()
{
    cout << "\nThis program prints books information.";
     // attributes
    string title, authors[4], publisher, authorName;
    int ISBN, noOfCopies, noOfAuthors;
    double price;
    char response;
    bookType books[5];
    for(int i = 0; i<2; i++)
    {
        cout << "\n*********************************";
        cout << "\nEnter book title: ";
        cin >> title; // reads title
        
        cout << "\nEnter number of authors(1-4): ";
        cin >> noOfAuthors; // reads noOfAuthors
            
        cout << "\nEnter name(s) of authors: ";
        for(int i = 0; i < noOfAuthors; i++) {
        cout << "Author " << i + 1 << ": ";
        cin >> authors[i];
        } // end for
    
        cout << "\nEnter book publisher: ";
        cin >> publisher; // reads publisher
                
        cout << "\nEnter book ISBN: ";
        cin >> ISBN; // reads ISBN
                
        cout << "\nEnter book price: ";
        cin >> price; // reads price
                
        cout << "\nEnter number of book copies: ";
        cin >> noOfCopies; // reads noOfCopies
                
        bookType b(title, noOfAuthors, authors, publisher, ISBN, price, noOfCopies);
        books[i] = b;
    }
    cout << "\nBooks information is displayed below.";
    for(int j = 0; j<2; j++)
    {
        books[j].printBookInfo();
        cout << "\n***************";
    }
    bookType b1;
    cout << "\nWould you like to search for a book ?";
    cout << "Enter y for yes and n for no: ";
    cin >> response;
    b1.search(response);
    return 0;
}

Input:

This program prints books information.
*********************************
Enter book title: sth

Enter number of authors(1-4): 1

Enter name(s) of authors: Author 1: hh

Enter book publisher: aa

Enter book ISBN: 111

Enter book price: 11

Enter number of book copies: 1

*********************************
Enter book title: sth1

Enter number of authors(1-4): 1

Enter name(s) of authors: Author 1: aa

Enter book publisher: aa

Enter book ISBN: 111

Enter book price: 11

Enter number of book copies: 1

Output:
Books information is displayed below.
Title:
Number of Authors: 14703328

(Author(s

Publisher:
ISBN: 1023
Price: 1.63536e-321
Number of Copies: 0
***************
Title:
Number of Authors: 14703328

Author(s)

Publisher:
ISBN: 1023
Price: 1.63536e-321
Number of Copies: 0