AJAx ·µ»Ø DataSet
ǰ̨£º
<html>
<head>
<title>AjaxʵÏÖÎÞË¢ÐÂÈýÁª¶¯ÏÂÀ¿ò</title>
<SCRIPT language="javascript">
//³ÇÊÐ------------------------------
function cityResult()
{
var city=document.getElementById("DropDownList1");
//AjaxMethod.GetCityList(city.value,get_city_Result_CallBack);
get_city_Result_CallBack(AJAXDataSet.GetCityList(city.value));
}
function get_city_Result_CallBack(response)
{
if (response.value != null)
{
//debugger;
document.all("DropDownList2").length=0;¡¡¡¡¡¡¡¡ &nb
Ïà¹ØÎĵµ£º
1.´´½¨XMLHttpRequest¶ÔÏó£º
function newXMLHttpRequest() {
var requestObj;
if (window.XMLHttpRequest) {
// Non IE
requestObj = new ActiveObj('XMLHttpRequest');
} else {
//IE
requestObj = new ActiveObj('Microsoft.XMLHTTP');
}
return request ......
ǰÑÔ
×î½ü³¢ÊÔÔÚGoogle App Engine£¨GAE£©Æ½Ì¨ÉϹ¹½¨Ò»¸öblog£¬Ä¿Ç°½ø¶ÈÒѾÍê³É½«½ü50%£¬ÆäÖÐCssºÍDIV²¼¾ÖÕÛÌÚµÃÎÒ¹»Çº£¬¶ÔUIÒ»ÏòÊǸöÍâÐУ¬É«¸ÐÄÃÄóʵÔÚûÆ×£¬Ö»ºÃ·ÂÔìWordpressÁË--_--||£»
ΪºÎ²ÉÓÃAJAX£º
»Ø¸´ÊÇÔÚblogÎÄÕÂÔĶÁÖеÄÒ»¸ö³£¼ûµÄ¹¦ÄÜ£¬ÈçCSDNµÄ»Ø¸´µÈµÈ£¬µ«ÊÇÒòΪ»Ø¸´ÄÚÈݲ»¶à£¬ÉõÖÁ´ó¶àÊýʱ¼äÓ ......
ËÄ¡¢³£¼ûAjax±à³Ì¿ò¼Ü
¼ÈÈ»ÉÏÊöAjax¿ò¼ÜÒѾÄܹ¤×÷ÁË£¬ÎªÊ²Ã´»¹ÓÐÄÇô¶àµÄ¿ò¼ÜÄØ£¿
Ëæ×ÅÒ³ÃæµÄ¸´ÔÓ£¬¿ÉÄÜÐèÒªÊéд´óÁ¿µÄJavascript½Å±¾À´¶ÔÒ³ÃæÖеÄDOM¶ÔÏó½øÐпØÖÆ£¬¹¤×÷Á¿ºÍ¸´ÔÓ¶È»á´ó´óÔö¼Ó¡£Ajax±à³Ì¿ò¼Üͨ³£ÀûÓÃÃæÏò¶ÔÏóµÄ·½·¨£¬¶ÔһЩ»ù±¾µÄ¶ÔÏóºÍÐÐΪ¼° ......
ÔÚ×î½ü¿ªÊ¼½«AJAX¼¼Êõ¼ÓÈëµ½ÈÕ³£µÄ¿ª·¢¹¤×÷ÖС£ÎÒÔÚ×î½üдÁ˸öAJAXµÄÎÞˢеǽÇÒ¶¯Ì¬Ìí¼Ó·þÎñÆ÷¿Ø¼þµÄ¹¤×÷£¬ÎÒ½«´Ë¹¦ÄܸæËß´ó¼ÒÏ£Íû¶Ô´ó¼ÒµÄ¹¤×÷ÓÐËù°ïÖú¡£Èç¹û´ó¼ÒÓиüºÃµÄ·½·¨ÇÒÔ¸ÒâÔÚ´ËÁôÑÔÈÃÎÒÒ²¿ÉÒÔ·ÖÏíµ½ÄãµÄ³É¹û¡£
Ê×ÏÈÔÚÒ³ÃæÖеÄHTML±ê¼ÇÖмÓÈë¿Ø¼þUpdatePanelºÍÁ½¸öTextboxÒ»¸öButton£º
<asp:UpdatePanel ID ......
AjaxÖÐsend·½·¨²ÎÊýµÄʹÓÃ
Ò»°ãÇé¿öÏ£¬Ê¹ÓÃAjaxÌá½»µÄ²ÎÊý¶àÊÇЩ¼òµ¥µÄ×Ö·û´®£¬¿ÉÒÔÖ±½ÓʹÓÃGET·½·¨½«ÒªÌá½»µÄ²ÎÊýдµ½open·½·¨µÄurl²ÎÊýÖУ¬´Ëʱsend·½·¨µÄ²ÎÊýΪnull¡£
ÀýÈç £º
var url = "login.jsp?user=XXX&pwd=XXX";
xmlHttpRequest.open("GET",url, ......