Rails ajax µÄÁª¶¯µÄÏÂÀ¿ò
# app\controllers\examples_controller.rb
ruby ´úÂë
class ExamplesController < ApplicationController
def ajax_select
@items = %w{AA BB}
end
def get_sub_items
if params[:item] == "AA"
@sub_items = %w{AA1 AA2}
else
@sub_items = %w{BB1 BB2}
end
render :partial => "select"
end
end
# app\views\examples\ajax_select.rhtml
xml ´úÂë
<%= javascript_include_tag :defaults %>
<h1>Examples#ajax_select</h1>
<p>Find me in app/views/examples/ajax_select.rhtml</p>
<%= select :obj, :att, @items, {}, :onchange => remote_function(:update => "sub_items",
:method => "get",
:with => "'item=' + value",
:url => { :controller => :examples, :action => :get_sub_items})
%>
<div id="sub_items">
<select></select>
</div>
#app\views\examples\_select.rhtml
ruby ´úÂë
<%= select(:obj, :item
Ïà¹ØÎĵµ£º
×î½üÍøÉÏÌáµÄºÜ¶àµÄÒ»¸öиÅÄî¾ÍÊÇ AJAX ÁË, ÄÇô, AJAX ÊÇÊ²Ã´ÄØ? ÒÔÏÂÄÚÈÝÒýÓÃÍøÉÏ×ÊÁÏ:
AJAXÈ«³ÆÎª“Asynchronous JavaScript and XML”£¨Òì²½JavaScriptºÍXML£©£¬ÊÇÖ¸Ò»ÖÖ´´½¨½»»¥Ê½ÍøÒ³Ó¦ÓõÄÍøÒ³¿ª·¢¼¼Êõ¡£ËüÓлúµØ°üº¬ÁËÒÔϼ¸ÖÖ¼¼Êõ£º
Ajax£¨Asynchronous JavaScript + XML£©µÄ¶¨Òå
»ùÓÚ web±ê×¼£¨sta ......
ÓкܾÃÒ»¶Îʱ¼äÎÒµÄBLOGÉÏûÓгöÏÖAJAXÏà¹ØÑ¶Ï¢ÁË£¬Ö÷Òªµ±È»ÊÇÒòΪ¾ø´ó²¿·ÖµÄÖØÐͼ·Åµ½ÁËSilverlightÉíÉÏ(¿ÉÔ¤ÆÚµÄδÀ´Ó¦¸ÃÒ²»áÊÇÈç´Ë)¡£
µ«ÓÉÓÚ¹¤×÷ÉϵÄÐèÒª£¬×î½ü»¹ÊÇ»ØÍ·¿´ÁËһϼ´½«ÍƳöµÄASP.NET Ajax Library...£¬Ë³±ãÕÒÁËÒ»ÏÂÍøÂçÉϵÄѶϢ£¬¿´Õâ¸öÌ¬ÊÆÎÒ²ÂÏëÓ¦¸Ã²»ÉÙASP.NET¿ª·¢ÈËÔ±ºöÂÔµôÁËÕâ¸öÆäʵÒѾbet ......
Ò».¹¤¾ßÏÂÔØ
1.ASPAJAXExtSetup.msi
http://download.microsoft.com/download/5/4/6/5462bcbd-e738-45fa-84ca-fa02b0c4e1c2/ASPAJAXExtSetup.msi
2.ASPAJAXSourceCode.msi
http://download.microsoft.com/download/6/d/6/6d6c7c47-b9ff-4934-bb03-8a45b8418d35/ASPAJAXSourceCode.msi
3.AjaxControlToolkit
http://ww ......
ÎÄÕ³ö×Ô£ºhttp://www.cnblogs.com/QLeelulu/archive/2008/04/21/1163021.html
±¾ÎĵØÖ·: jQuery
Ajax È«½âÎö
±¾ÎÄ×÷ÕߣºQLeelulu
×ªÔØÇë±êÃ÷³ö´¦£¡
jQueryȷʵÊÇÒ»¸öͦºÃµÄÇáÁ¿¼¶µÄJS¿ò¼Ü£¬ÄܰïÖúÎÒÃÇ¿ìËٵĿª·¢JSÓ¦Ó㬲¢ÔÚÒ»¶¨³Ì¶ÈÉϸıäÁËÎÒÃÇдJavaScript´úÂëµÄϰ¹ß¡£
·Ï»°ÉÙ˵£¬Ö±½Ó½øÈëÕýÌ⣬ÎÒÃÇÏÈÀ´¿´Ò»Ð©¼ ......