November 2012
Intermediate to advanced
888 pages
54h 46m
Polish
Content preview from Ruby. Receptury
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15.4. Przekierowania do innych lokalizacji
Problem
Chcemy przekierować użytkownika do innej akcji aplikacji lub do zewnętrznego adresu URL.
Rozwiązanie
Klasa ActionController::Base (superklasa klasy ApplicationController) definiuje metodę redirect_to, która realizuje przekierowanie HTTP. Aby przekierować użytkownika do innej witryny, należy przekazać do niej adres URL w postaci łańcucha; przekierowanie do innej akcji aplikacji odbywa się poprzez hasz, który wskazuje sterownik, akcję i identyfikator.
Poniżej zdefiniowano sterownik BureaucracyController, który przekierowuje przychodzące żądania pomiędzy poszczególnymi akcjami, a na koniec wysyła klienta do zewnętrznej witryny:
class BureaucracyController < ApplicationController def index ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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