url:atom.heroku.com

new.rhtml文件如下:
<%= form_tag :action => 'create' %>
  <%= render :partial => 'form' %>
  <%= submit_tag 'Create' %>
<%= end_form_tag %>

<%= link_to 'Back', :action => 'index' %>

结果如下:

NameError in Admin/author#new

Showing admin/author/new.html.erb where line #9 raised:

undefined local variable or method `end_form_tag' for #<ActionView::Base:0xb7547a88>

Extracted source (around line #9):

6:   <%= submit_tag 'Create' %>
7: <%= end_form_tag %>
8: 
9: <%= link_to 'Back', :action => 'index' %>

RAILS_ROOT: /mnt/home/userapps/15775