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JSP:
¿Î³ÌÃû³Æ:
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/options.js"></script>
 <html:select property="icourseId" onchange="change(this)" style="width:180px;">
      <html:option value="0">----ÇëÑ¡ÔñÒÔÏ¿γÌ----</html:option>
      <html:options collection="clist" labelProperty="ccourseName"                    property="icourseId"></html:options>
</html:select>
¿Î³ÌÕ½Ú:
 <select name="ichapterId" id="result" style="width:180px;">
 <option value="">----ÇëÑ¡ÔñÒÔÏÂÕ½Ú----</option>
</select>
******************************************************************************
options.js:
function change(option){
 var opvalue = option.value;
 //ÉèÖÃÓë·þÎñ¶Ë½øÐн»»¥µÄURL(°üÀ¨ÖÐÎÄ´¦Àí)
 var url = "options.do?opvalue="+encodeURI(encodeURI(opvalue));
 url = covertURL(url);
 //Óë·þÎñ¶Ë½øÐн»»¥,²¢ÏÔʾÊý¾Ý
 $.get(url,null,function(data){$("#result").html(data);});
}
//´¦Àí»º´æÎÊÌâ
function covertURL(url){
   var timeURL = (new Date()).valueOf();
   if(url.indexOf("?") >= 0){
       url = url + "&t=" + timeURL;
   }else{
       url = url + "?t=" + timeURL;
   }
   return url;
  }
***************************************************************************
ACTION:
public class OptionsAction extends Action {
 private WebService webservice;
 
 public void setWebservice(WebService webservice) {
  this.webservice = webservice;
 }
 
 public ActionForward execute(ActionMapping mapping, ActionForm form,
   HttpServletRequest request, HttpServletResponse response


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CustomValidator¿Ø¼þ+ajax ʵÏÖ×¢²áʱµÄÒì²½ÑéÖ¤

ÔÚ.netµÄÑéÖ¤¿Ø¼þÖÐÓÐÒ»¸öCustomValidatorÑéÖ¤¿Ø¼þ£¬ÆäÊôÐÔClientValidationFunctionΪ¿Í»§¶Ëº¯Êý£¬ÔÚÐèÒªÑéÖ¤µÄ¿Ø¼þʧȥ½¹µã»òÕßpostÊý¾Ýʱ£¬µ÷Óøú¯Êý¡£
ǰ̨£º
 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="CustomValidatorTest.aspx.cs" Inherits="Web.CustomValidatorTest" %>
<!DO ......

ajax repeater·ÖÒ³

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title></title>
<mce:style type="text/css"><!--
.n{TEXT-DECORATION:none;cursor:pointer} a{color:black} a:hover{color:blue}
.m{TEXT-DECORATION:none;c ......

jQuery Ajax ʵÀýÑÝʾ

<
script language=
"javascript"
>
 
$(
document)
.ready
(
function
(
)
{
$(
'#send_ajax'
)
.click
(
function
(
)
{
var
params=
$(
'input'
)
.serialize
(
)
;
//ÐòÁл¯±íµ¥µÄÖµ
$.ajax
(
{
url:
'ajax_json.php'
,
//ºǫ́´¦ ......

JSONʵÏÖAJAXÎÞˢмÓÔØ

AJAXÖ÷ÒªÓÐÈýÖÖ£º×î¼òµ¥µÄÖ±½Ó¼ÓÔØÕû¸öÍøÒ³£¬È»ºóͨ¹ýinnerHTMLÖ®ÀàµÄ°ì·¨ÏÔʾÔÚÍøÒ³ÉÏ£¬Õâ¸öÏÖÔÚÓÃPrototype.jsµÄAjax.UpdaterÀàÄÜÇá¶øÒ×¾ÙµØÊµÏÖ£»ÁíÒ»ÖÖ×î³£ÓõÄÊǼÓÔØÒ»¸öÖ»°üº¬Êý¾ÝµÄÎļþ£¨±ÈÈçXML£©È»ºóͨ¹ýһϵÁдúÂë´¦ÀíºóÏÔʾ¸øÓû§£»»¹ÓÐÒ»ÖÖÊÇÏñDWR»òPHPRPCÄÇÑùÖ±½Ó°Ñ·þÎñÆ÷¶ËµÄº¯ÊýÉú³É¶ÔÓ¦µÄJS´úÂë¸ø¿Í»§¶Ë£¬¿ ......

»ù±¾µÄajax½Å±¾


var xmlhttp;

function verify()
{
   //2.´´½¨XmlHttpRequest¶ÔÏó
   //ÕâÊÇXmlHttpRequest¶ÔÏóÎå²½ÖÐʹÓÃ×ÔÓµÄÒ»²½
   //ÐèÒªÕë¶ÔIEºÍÆäËûÀàÐ͵Ää¯ÀÀÆ÷½¨Á¢Õâ¸ö¶ÔÏóµÄ²»Í¬·½Ê½Ð´²»Í¬µÄ´úÂë
   if(window.XMLHttpRequest)
   {
  ......
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