我在写:
<%= form_for(current_user, :remote => true) do %>
<p>
<%= label_tag t("language") %>:
<%= select_tag "language", options_for_select([["Русский", "rus"], ["English", "eng"]]) %>
</p>
<p><%= submit_tag t "options.save" %></p>
<% end %>
检查员: http ://deeflow.com/changer/inspect.png
内容: http ://deeflow.com/changer/content.png
但是,db 中的值没有更新