select.rhtml

来自「ruby on rails web敏捷开发之路第二版 源代码」· RHTML 代码 · 共 131 行

<!--
 ! Excerpted from "Agile Web Development with Rails, 2nd Ed."
 ! We make no guarantees that this code is fit for any purpose. 
 ! Visit http://www.pragmaticprogrammer.com/titles/rails2 for more book information.
-->
<% @user = "cat"

   def @user.id
     4
   end

   def @user.name
     "Dave"
   end

   def @user.country
     "United States"
   end  

   def @user.time_zone
    res = TimeZone[-6].name
   end

   @order = "dog"
   def @order.shipping_option
     101
   end    
  
%>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>

<center>

<% form_for :user do |form| %>
  <%= form.select(:name, %w{ Andy Bert Chas Dave Eric Fred }) %>
<% end %>


<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>

<p>&nbsp;</p>

<% form_for :user do |form| %>

<%= form.select(:id, [ ['Andy', 1],
                       ['Bert', 2],
                       ['Chas', 3],
                       ['Dave', 4],
                       ['Eric', 5],
                       ['Fred', 6]]) 
%>

<% end %>

<p>&nbsp;</p>

<%= select(:user, :id, { 'Andy' => 1,
    'Bert' => 2,
    'Chas' => 3,
   'Dave' => 4,
   'Eric' => 5,
   'Fred' => 6}) %>

<p>&nbsp;</p>

<% form_for :user do |form| %>

<%=
 @users = User.find(:all, :order => "name").map {|u| [u.name, u.id] }
 form.select(:name, @users)
%>

<% end %>

<b>xc</b>

<% form_for :user do |form| %>

<%=
 @users = User.find(:all, :order => "name")
 form.collection_select(:name, @users, :id, :name)
%>

<% end %>

<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>


<%= country_select(:user, :country) %>
<p>&nbsp;</p>

<%= country_select(:user, :country, [ "United Kingom", "United States" ]) %>
<p>&nbsp;</p>

<%= time_zone_select(:user, :time_zone) %>
<p>&nbsp;</p>

<%= time_zone_select(:user, :time_zone, TimeZone.us_zones) %>
<p>&nbsp;</p>



<label for="order_shipping_option">Shipping: </label>
<select name="order[shipping_option]" id="order_shipping_option">
<%= 
  option_groups_from_collection_for_select(Shipping::OPTIONS, 
  					   :options, :type_name, # <- groups
					   :id,:name,            # <- items
					   @order.shipping_option)
 %>
</select>


<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
</center>