&tag(Ransack);
gem "ransack"
def index @search = Item.search(params[:q]) @items = @search.result end
<%= search_form_for @search do |f| %>
<%= f.text_field :title_cont %>
<%= f.submit '検索' %>
<% end %>
<% @items.each do |item| %>
(省略)
<% end %>