&tag(Rails3/RSSフィードの生成);
def feed
@posts = Post.all(:select => "title, author, id, content, posted_at", :order => "posted_at DESC", :limit => 20)
respond_to do |format|
format.html
format.rss { render :layout => false } #index.rss.builder
end
end
xml.instruct! :xml, :version => "1.0"
xml.rss :version => "2.0" do
xml.channel do
xml.title "Your Blog Title"
xml.description "A blog about software and chocolate"
xml.link posts_url
for post in @posts
xml.item do
xml.title post.title
xml.description post.content
xml.pubDate post.posted_at.to_s(:rfc822)
xml.link post_url(post)
xml.guid post_url(post)
end
end
end
end