Created
July 18, 2011 06:00
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Sinatraで画像ファイルをアップロードして表示する
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require 'sinatra' | |
require 'haml' | |
# 静的コンテンツ参照のためのパス設定 | |
set :public, File.dirname(__FILE__) + '/public' | |
# アップロード | |
get '/' do | |
haml :index | |
end | |
# アップロード処理 | |
post '/upload' do | |
if params[:file] | |
save_path = "./public/images/#{params[:file][:filename]}" | |
File.open(save_path, 'wb') do |f| | |
p params[:file][:tempfile] | |
f.write params[:file][:tempfile].read | |
@mes = "アップロード成功" | |
end | |
else | |
@mes = "アップロード失敗" | |
end | |
haml :upload | |
redirect 'images' | |
end | |
# アップロードした画像の表示 | |
get '/images' do | |
images_name = Dir.glob("public/images/*") | |
@images_path = [] | |
images_name.each do |image| | |
@images_path << image.gsub("public/", "./") | |
end | |
haml :images | |
end |
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!!!html5 | |
%html | |
%body | |
- @images_path.each do |image_path| | |
%img{:src => image_path} |
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!!!html5 | |
%html | |
%body | |
%form{:action => "./upload", :method => "post", :enctype => "multipart/form-data"} | |
%input{:type => "file", :name => "file"} | |
%input{:type => "submit", :name => "submit"} |
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!!!html5 | |
%html | |
%body | |
%p= @mes |
ディレクトリ構成は以下。
app_root
└app.rb
└public
└images
└views
└images.haml
└index.haml
└upload.haml
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静的コンテンツに関しては以下が参考になった。
http://d.hatena.ne.jp/seiunsky/20090728/1248805790