April 2014
Intermediate to advanced
220 pages
4h 7m
Japanese
Content preview from AngularJSアプリケーション開発ガイド
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118
5
章 サーバとの通信
5.1.4
リクエストやレスポンスの変換
$http
サービスを使って行われるすべてのリクエストとレスポンスに対して、いくつかの基本的
な変換が行われます。
リクエストの変換
リクエストの際、
config
オブジェクトの
data
プロパティにオブジェクトが含まれてい
る場合、これを
JSON
形式に変換します。
レスポンスの変換
XSRF
プレフィックスが含まれている場合、これを取り除きます。また、レスポンスが
JSON
形式であった場合はこれをオブジェクトへとデシリアライズします。
デフォルトの変換を行いたくない場合や独自の変換を行いたい場合は、
config
で変換のための
関数を指定します。この関数は引数としてリクエストあるいはレスポンスの本体と、ヘッダーを受
け取ります。そしてこの関数が返すのは、変換後のシリアライズされたデータです。モジュールの
config
関数の中で、
$httpProvider
サービスの
transformRequest
そして
transformResponse
プロパティに変換の関数を指定します。
このような変換はどのような場合に利用すると便利か考えてみましょう。例えば、
jQuery
式の
やり方を推し進めるサーバがあるとします。このサーバに対して
POST
形式でリクエストを行う場
合、
JSON
形式の
{key1: val1, key2: val2}
ではなく
key1=val1&key2=val2
のような文字列
を送信しなければなりません。個々のリクエストに対して
transformRequest ...
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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.