1 [Rails] date_select に年, 月, 日を入れる メモ ActionView::Helpers::DateHelper.module_eval do private def select_html(type, options, prefix = nil, include_blank = false, discard_type = false, disabled = false) date_type_hash = {"year" => "年", "month"=> "月", "day" => "日" } select_html = %(<select name="#{prefix || ActionView::Helpers::DateHelper::DEFAULT_PREFIX}) select_html << "[#{type}]" unless discard_ty