在Rails中设置collection_select的默认宽度

Question

我需要在Rails中为collection_select设置默认宽度。我尝试了这个，但它不起作用：

<%= u.collection_select :program_id, Program.where(:status => true), :id, :name , :include_blank=> true, :class=>'foo'%>

我也尝试过：

<%= u.collection_select :program_id, Program.where(:status => true), :id, :name , :include_blank=> true, {:class=>'foo'}%>

<%= u.collection_select :program_id, Program.where(:status => true), :id, :name , :include_blank=> true, :style=>'width:50%'%>

他们没有工作，任何想法？

Answer 1

最后我弄清楚了：

<%= u.collection_select :program_id, Program.where(:status => true), :id, :name , {:include_blank=> true}, {:class=>'foo'}%>

现在有效！