我有一个用户注册表:
<%= form_for(resource, :as => resource_name,
:url => registration_path(resource_name),
:id => "employer-form") do |f| %>
<%= devise_error_messages! %>
<p><%= f.email_field :email, :autofocus => true, :title => "Enter email", :value =>"Enter Email", :class =>"field" %></p>
<p><%= f.text_field :profile_name, :autofocus => true, :title => "Enter Username", :value => "Enter Username", :class =>"field" %></p>
<p class="clearfix">
<%= f.password_field :password, :title => "Enter Password", :value => "Enter Password", :class => "field field-half" %>
<%= f.password_field :password_confirmation, :title => "Retype Password", :value => "Retype Password", :class => "field field-half" %>
</p>
<p class="clearfix">
<%= f.text_field :first_name, :title => "Enter First Name", :value => "Enter First Name", :class => "field field-half" %>
<%= f.text_field :last_name, :title => "Retype Last Name", :value => "Enter Last Name", :class => "field field-half" %>
</p>
<p class="clearfix">
<div class="custom-select">
<%= f.select_tag(:how_did_you_hear, options_for_select
([["Bing", :bing],["College Rep", :college_rep],
["Facebook", :facebook],["Google", :google],
["Pinterest", :pinterest],["Yahoo", :yahoo],
["Twitter", :twitter],["Other", :other]])) %>
</div>
</p>
<div><%= f.submit "Sign up" %></div>
<% end %>
如果我去掉“f”,选择标签就起作用了。就在它之前。但如果我把它拿走,它就不会进入用户对象。如果我把“f”。在,它说:
undefined method `select_tag' for #<ActionView::Helpers::FormBuilder:0x007f950db434e0>
我见过一些类似但无济于事的stackoverflow问题。文档简要地提到了这一点,但对于像我这样的新手来说太复杂了,无法理解。