April 2020
Intermediate to advanced
506 pages
20h 7m
Polish
Content preview from Go
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470 Rozdział 16.
Obsługa przesyłania formularzy
Zapisywanie danych z formularza
Funkcja
createHandler
przyjmuje żądanie z danymi z formularza i potrafi pobrać z nich wpis do księgi gości.
Teraz wystarczy dodać ten wpis do pliku
signatures.txt. Odpowiadać za to będzie sama funkcja
CreateHandler
.
Najpierw usuń wywołanie metody
Write
dla wartości typu
ResponseWriter
. Było ono potrzebne tylko do
upewnienia się, że możliwy jest dostęp do pola
signature
z formularza.
Teraz dodaj pokazany poniżej kod. Funkcja
os.OpenFile
jest wywoływana w nieco nietypowy sposób.
W kontekście pisania aplikacji internetowych szczegółowy opis nie jest tu istotny, dlatego ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.