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)
{
// status = 200 ; "ok"
if(xmlhttp.status == 200)
{
uiManager.showNotification(1000, "ok", "Done");
/*
* Remove the substr "jsonFlickrApi(" from the responseText
*/
var text = xmlhttp.responseText;
text = text.substr(14, text.length-15);
// Create JSON Oject
jsonObj = eval('(' + text + ')');
callbackSuccess(jsonObj);
}
else
{
uiManager.showNotification(1000, "warning", "Failed to get data from server");
}
}
}
xmlhttp.send(null);
}
Ïà¹ØÎĵµ£º
±¾ÎĽ«Ê¹ÓÃAjaxToolkitÖеē PopupControlExtender £¬ DynamicPopulateExtender £¬ DragPanelExtender ”¿Ø¼þÀ´¹¹½¨Ò»¸öµ¯³ö¶Ô»°¿ò£¬¿ÉÒÔʵÏÖµ¯³ö¶Ô»°¿ò£¬¶Ô»°¿ò¿ÉÍ϶¯µÈ¹¦ÄÜ¡£±È½ÏÊʺÏ×öÿÈÕÒ»ÌùµÈЧ¹û
Ê×ÏȽâÊÍÏ ......
//Óû§ÃûУÑéµÄ·½·¨
//Õâ¸ö·½·¨½«Ê¹ÓÃXMLHTTPRequest¶ÔÏóÀ´½øÐÐAJAXµÄÒì²½Êý¾Ý½»»¥
var xmlhttp;
function verify() {
//0¡£Ê¹ÓÃdomµÄ·½Ê½»ñÈ¡Îı¾¿òÖеÄÖµ
//document.getElementById("userName")ÊÇdomÖлñÈ¡ÔªËØ½ÚµãµÄÒ»ÖÖ·½·¨£¬Ò»¸öÔªËØ½Úµã¶ÔÓ¦HTMLÒ³ÃæÖеÄÒ»¸ö±êÇ©£¬Èç¹û<input& ......
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)
......