Form Input Field pada Rails

Bermacam input field pada form seperti:

f.error_messages_for
f.check_box :terms, { :class => ‘check’ }, “yes”, “no”
f.file_field :image
f.hidden_field :id
f.label :customer, “Text for label”
f.password_field :password
f.radio_button :language, “French”
f.text_area :comment, :size => “20×30″, :disabled => “disabled”
f.text_field :age, :size => “20″, :class => “age_box”

Contoh penggunaanya:
Misalnya dipakai untuk view di ..\app\views\phones\new.html.erb

<h1>New phone</h1>
< %= error_messages_for :phone %>
< % form_for(@phone) do |f| %>

<b>Name</b>
< %= f.text_field :name %>

<b>Number</b>
< %= f.text_field :number %>

<b>Status</b>
< %= f.check_box :active, { :class => 'check' }, "yes", "no" %> Active

< %= f.submit "Create" %>

< % end %>