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/*
κÑÔAJAX Àà
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<mce:script type="text/javascript"><!--
var classAjax = new Ajax(sUrl,sRecvTyp,sQueryString,oResultFunc);
classAjax.post();//post·½Ê½·¢ËÍÊý¾Ý
classAjax.get();//get·½Ê½·¢ËÍÊý¾Ý
//sUrl·¢Ë͵ØÖ·
//sRecvTyp ½ÓÊÜÊý¾ÝÀàÐÍ:0Ϊxml 1Ϊtext
//oResultFunc ·µ»Ø½á¹û´¦Àíº¯Êý
// --></mce:script>
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<mce:script type="text/javascript"><!--
var ajax1 = new Ajax("1.asp",0,"id="+id,bacal);
ajax1.post();
function bacal(rexm){
//·µ»ØÊý¾Ý´¦Àíº¯Êý;
}
// --></mce:script>
*/
function Ajax(sUrl,sRecvTyp,sQueryString,oResultFunc) {
this.Url = sUrl;
this.QueryString = sQueryString;
this.XmlHttp = this.createXMLHttpRequest();
if (this.XmlHttp == null) {
alert("erro");
return;
}
var objxml = this.XmlHttp;
objxml.onreadystatechange = function (){Ajax.handleStateChange(objxml,sRecvTyp,oResultFunc)};
}
Ajax.prototype.createXMLHttpRequest = function() {
try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch(e) {}
try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {}
try { return new XMLHttpRequest(); } catch(e) {}
return null;
}
Ajax.prototype.createQueryString = function () {
var queryString = this.QueryString;
return queryString;
}
Ajax.prototype.get = function () {
sUrl = this.Url;
var queryString = sUrl+"?timeStamp=" + new Date().getTime() + "&" + this.createQueryString();
this.XmlHttp.open("GET",queryString,true);
this.XmlHttp.send(null);
}
Ajax.prototype.post = function() {
sUrl = this.Url;
var sUrl = sUrl + "?timeStamp=" + new Date().getTime();
var queryString = this.createQueryString();
this.XmlHttp.open("POST",sUrl,true);
this.XmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
this.XmlHttp.send(queryString);
}
Ajax.handleStateChange = function (XmlHttp,sRecvTyp,oResultFunc) {
if (XmlHttp.readyState == 4) {
if (XmlHttp.status == 200) {
oResultFunc(sRecvTyp?XmlHttp.responseXML:XmlHttp.responseText);
} else {
alert("ÄúËùÇ


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AJAX (XHR)Òì²½ÇëÇóµÄһЩÈÏʶ

function sendAsynchronRequest(url,parameter,callback){
 createXMLHttpRequest();
 if(parameter == null){
  xmlHttp.onreadystatechange = callback;
  xmlHttp.open("GET",url,true);//µ±GETÇëÇóʱ£¬ÔÚµØÖ·À¸ÖÐÊÇ´ø²ÎÊýµÄ£¬¶ø²ÎÊýΪNULL£¬ËùÒÔÓÃgetÇëÇó£¬send(null)
   ......

AjaxÖ®PopupControlÓ¦Óà °ïÖúÓû§ÊäÈëµÄÃæ°å

       PopupControlÀ©Õ¹Æ÷¿Ø¼þ¿ÉÒÔ¸½¼Óµ½ÈκοؼþÖ®ÉÏ£¬µ±Óû§µã»÷¸Ã¿Ø¼þʱ£¬½«µ¯³öÒ»¸öÔ¤ÏÈÖ¸¶¨ºÃµÄ¡¢ÏÔʾ¸½¼ÓÐÅÏ¢»òÓÃÀ´°ïÖúÓû§Ö´ÐÐijЩÉ趨µÄPanel¡£µ±¸Ã¿Ø¼þʧȥÊäÈë½¹µãÖ®ºó£¬Panel½«×Ô¶¯Ïûʧ£¬ÇÒÓû§ÔÚÆäÖнøÐеÄÅäÖý«±»É趨µ½À©Õ¹Æ÷µÄÄ¿±ê¿Ø¼þÖ®ÉÏ¡£
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IDE ȱÉÙ»ù´¡ÄÜÁ¦¼¯µ÷Óÿ⣬ÕâÊÇÒ»¸ö¼òµ¥µÄAjaxµ÷Óá£

var jsonObj;
var xmlhttp = null;
function callAsync(url, callbackSuccess)
{
 xmlhttp = new Ajax();
 xmlhttp.open("GET", url, true);
 xmlhttp.onreadystatechange=function()
 {
  // readyState = 4 ; "complete"
  if (xmlhttp.readyState==4)
  { ......

ajax»º´æÎÊÌâ

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ҳͷµÄÇ建´æ±êǩûÆð×÷ÓÃ
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
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1£º¼Óʱ¼ä´Á var url ......

Java Web»ù´¡£ºµÚ¶þÊ®½² Ajax¸ÅÊö

±¾ÎÄÄÚÈÝÕª×Ô£º¡¶Java Web¿ª·¢½Ì³Ì——ÈëÃÅÓëÌá¸ßƪ£¨JSP+Servlet£©¡·
AJAXÊÇAsynchronous JavaScript and XMLµÄËõд£¬Éæ¼°JavaScript½Å±¾¡¢XHTMLºÍCSS¡¢DOM¡¢XMLºÍXSTLµÈ¼¼Êõ¡£
l         XHTMLÓëCSSʵÏÖÊý¾ÝÐÅÏ¢µÄͳһ»¯ºÍ±ê×¼»¯ÏÔʾ£»
l    & ......
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