rest, options

map.resources :users, as => 'people' do |user|
  user.resources :books, :collection => {:list => :get},
                         :member     => {:add_title  => :put},
                         :singular   => 'lala'
end


<% for book in @books %>
<tr>
  <td><%= book.name %></td>
  <td><%= link_to 'Show', user_lala_path(@user, book) %></td>
  <td><%= link_to 'Edit', edit_user_lala_path(@user, book) %></td>                                            
  <td><%= link_to 'add_title', add_title_user_lala_path(@user, book), :method => :put %></td>
  <td><%= link_to 'Destroy', user_lala_path(@user, book), :confirm => 'Are you sure?', :method => :delete %></td>
</tr>
<% end %>
</table>

<br />

<%= link_to 'New book', new_user_lala_path(@user) %>
<%= link_to 'GoTo user index', users_url %>
<%= link_to 'All books', list_user_books_url(@user) %>   <= plural 的還是一樣 沒變成lalas



http://localhost:25001/people/1/books  <= 生出的 uri