<%= form_for(:post, :url => {:controller => "Posts", :action => "create"}) do |f| %>
  <%= f.label(:title, "Title") %>
  <%= f.text_field(:title) %>
    <%= f.label(:body, "Content") %>
  <%= f.text_area(:body, :cols => 20, :rows => 25) %>
  <%= f.submit("Post!") %>
<% end %>