November 2012
Intermediate to advanced
888 pages
54h 46m
Polish
Content preview from Ruby. Receptury
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15.5. Wyświetlanie szablonów za pomocą metody render
Problem
Domyślne działanie środowiska Rails polegające na mapowaniu jednej metody akcji na jeden szablon widoku nie jest dostatecznie elastyczne. Chcemy spersonalizować szablon wyrenderowany dla określonej akcji poprzez bezpośrednie wywołanie kodu renderującego.
Rozwiązanie
Renderowanie wykonuje się w metodzie ActionController::Base#render. Domyślne działanie środowiska Rails polega na wywołaniu metody render po wykonaniu metody akcji i odwzorowaniu akcji na właściwy szablon widoku. Środowisko Rails mapuje akcję foo na szablon foo.rhtml.
Aby środowisko Rails wygenerowało inny szablon, można wywołać metodę render z metody definiującej akcję. W poniższym sterowniku zdefiniowano dwie ...
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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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