February 2014
Intermediate to advanced
372 pages
7h
Japanese
Content preview from Backbone.jsアプリケーション開発ガイド
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18
2
章
MVC
2.1.5
内部での処理
SPA
は通常の
HTTP
リクエストとレスポンスを通じてブラウザに読み込まれます。このページ
はシンプルな
HTML
でもよく、サーバ側の
MVC
フレームワークによって生成されたビューでもか
まいません。
SPA
が読み込まれると、クライアント側のルーターが
URL
の処理を横取りし、サーバにリクエ
ストを送らずクライアント側でのロジックを呼び出します。図 2-4 はクライアント側の
MVC
での
典型的なリクエスト処理を表しています。このような手順は
Backbone.js
でも見られます。
HTTP
リクエスト
ルーター
DOM
の更新 モデルの更新 同期
DOM
ビュー
モデルのコレクション
データソース
（データベースや
API
など）
DOM
のイベント モデルのイベント
図2-4 Backbone.jsでのリクエストの処理
URL
のルーティングと
DOM
のイベント（マウスクリックなど）、そしてモデルのイベント（属性
値の変更など）はいずれもビュー上でロジックを呼び出します。このイベントハンドラは
DOM
や
モデルを更新するため、さらにイベントを発生させることがあります。その際に、バックエンドの
サーバとの間に通信が発生することがあります。
2.1.5.1
モデル
●
モデルに用意されている機能はフレームワークごとに異なりますが、属性値の検証を行うため
の機能はほとんどのフレームワークに用意されています。ここでの属性値とは、モデルのプロ
パティ（
ID
値など）を指します。
●
モデルを実際のアプリケーションで使
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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.