get_city_state_whole_form.rhtml

Ajax最流行书籍

<!--
 ! Excerpted from "Pragmatic Ajax"
 ! We make no guarantees that this code is fit for any purpose. 
 ! Visit http://www.pragmaticprogrammer.com/titles/ajax for more book information.
-->
<table>
    <tr>
        <th>Customer Name:</th>
        <td><%= text_field 'address', 'name', {:size => 30} %></td>
    </tr>
    <tr>
        <th>Address:</th>
        <td><%= text_field 'address', 'address', {:size => 30} %></td>
    </tr>
    
    <tr>
        <th>City:</th>
        <td>
          <%= text_field 'address', 'city', {:size => 20, :value => @city} %>
        </td>
    </tr>
    <tr>
        <th>State:</th>
        <td>
          <%= text_field 'address',  
                         'state',
                         { :size => 3,
                           :maxlength => 2,
                           :value => @state} %>
        </td>
    </tr>
    <tr>
        <th>Zip:</th>                
        <td>
          <%= text_field 'address', 
                         'zip',
                         { :size => 10,
                           :maxlength => 10,
                           :value => @zip} %>
        </td>
        <%= observe_field :address_zip,
                          :url => { :action => 'get_city_state_whole_form'},
                          :with => "'zip=' + value", 
                          :update => 'whole_form' %>
    </tr>
    <tr>
        <th></th>
        <td><%= submit_tag %></td>
    </tr>
</table>