February 2013
Intermediate to advanced
380 pages
7h 45m
Japanese
Content preview from Nodeクックブック
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206
6 章 Express で開発をスピードアップ
app.js
//...
app.use(require('./login'));
app.use(function(req, res, next) {
res.locals.user = req.session.user;
res.locals.flash = req.flash(); //
next();
});
//...
login.jade
を修正して、フラッシュメッセージ（
error
）が存在する場合に警告を表示します。
以下のコードをファイルの先頭に追加します。
login.jade
if flash.error
hr
b= flash.error
hr
app.js
を実行し、
http://localhost:3000
にアクセスします。間違ったログイン情報でログイ
ンを試みると、エラーメッセージが表示されます。別の
URL
に移動したり、再読み込みをしたり
すると、エラーメッセージは消えます。
レシピ
6.7
Express
で
Web
アプリケーションを構築する［応用］
本レシピでは、本章のこれまでのレシピで学んだことを組み合わせ、さらに
Express
の機能を
いくつか組み込んで、管理機能を持った
Express
ベース
Web
アプリケーションの基礎部分を作成
します。ユーザデータは
MongoDB
で管理します。プロジェクトの名前は
Profiler
とし、
Node
コミュニティメンバーのプロフィール管理を行います。
作成するアプリケーションは以下のようなインタフェースを持ちます。 ...
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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.