有没有办法使用
带有(FontAwesome gem)的Railslink_to
功能fa_icon
像下面?
=link_to fa_icon("off"), destroy_user_session_path, :method=>'delete', {"data-toggle" => "tooltip", "data-original-title" => "Logout", "data-placement" => "bottom", :class => "btn btn-metis1 btn-sm"}