Beispiel #1
0
        static void Main(string[] args)
        {
            MenuForm mn = new MenuForm();

            mn.addMenuItem("1. Add a book");
            mn.addMenuItem("2. Find a book");
            mn.addMenuItem("3. Show book list");
            mn.addMenuItem("4. Remove a book");
            mn.addMenuItem("5. Exit");
            int         choice      = 0;
            BookLibrary bookLibrary = new BookLibrary();

            do
            {
                Console.WriteLine("********** Book Management **********");
                choice = mn.GetChoice(0, 5);
                switch (choice)
                {
                case 1:
                    string id        = Util.getString("Input ID: ", "ID is invalid");
                    string name      = Util.getString("Input Book Name: ", "Book name is invalid");
                    string author    = Util.getString("Input Author: ", "Author is invalid");
                    string publisher = Util.getString("Input Publisher: ", "Publisher is invalid");
                    Book   book      = new Book(id, name, author, publisher);
                    bookLibrary.AddBook(book);
                    Console.WriteLine("Added new book!");
                    break;

                case 2:
                    string searchedID = Util.getString("Input ID to find book: ", "ID is invalid");
                    Book   foundBook  = bookLibrary.FindBook(searchedID);
                    if (foundBook != null)
                    {
                        Console.WriteLine(foundBook.ToString());
                    }
                    else
                    {
                        Console.WriteLine("Book not found!");
                    }
                    break;

                case 3:
                    bookLibrary.ShowBookList();
                    break;

                case 4:
                    string removedID = Util.getString("Input ID to remove book: ", "ID is invalid");
                    bool   removed   = bookLibrary.RemoveBook(removedID);
                    if (removed)
                    {
                        Console.WriteLine("Removed " + removedID + " book successfully");
                    }
                    else
                    {
                        Console.WriteLine("Removed " + removedID + " book failed");
                    }
                    break;
                }
            } while (choice > 0 && choice < 5);
        }