UPLOAD_FILE
http://manuals.rubyonrails.com/read/chapter/57
http://wiki.rubyonrails.org/rails/pages/HowtoUploadFiles
http://www.ruby.oss.tw/html/modules/newbb/viewtopic.php?topic_id=318&forum=4#forumpost804
Ruby on Rails (ROR)書籍下载位址
http://www.cnblogs.com/hardrock/archive/2006/08/18/480668.html
Agile Web Development with Rails 翻译
HowToSetupSybaseAdapterOnRails
