×Ô¼ºÐ´µÄAjax·½·¨ÔÚ»ðºüÖгö´í
JScript code:
Ajax={
returnedValue:null,
request:function(url,mode,callback){
var xmlHttp = null;
sendRequest(url,mode);
//·¢ËÍÇëÇó
function sendRequest(url,mode){
createXMLHttpRequest();
xmlHttp.onreadystatechange = processRequest;
xmlHttp.open("GET", url, mode);
xmlHttp.send(null);
}
//´´½¨XMLHttpRequest¶ÔÏó
function createXMLHttpRequest(){
if(window.XMLHttpRequest){
xmlHttp = new XMLHttpRequest();
if(xmlHttp.overrideMimeType)
xmlHttp.overrideMimeType("text/html");
}
else if(window.ActiveXObject){
try{
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
}
catch(e){
try{
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
catch(e){
alert("²»ÄÜ´´½¨XMLHttpRequest ¶ÔÏóʵÀý.");
return false;
}
}
}
}
//´¦ÀíÇëÇó
function processRequest(){
if (xmlHttp.readyState == 4){
if (xmlHttp.status == 200)
Ïà¹ØÎÊ´ð£º
ÔÚ¼ÒÑо¿ajax£¬¿´Á˱ðÈ˵ÄÒ»¸öÍøÉϹºÎïÉ̳ÇÏîÄ¿µÄÔ´´úÂ룬×Ô¼ºÒ²À´·Â±ðÈ˵Ķ«Î÷Á·Ï°Á·Ï°£¬Ã»Ïë³öÎÊÌâÁË£¡Ò»ÏµÄÕâЩ´úÂëÊÇÎÒ·ÂÕÕ±ðÈËдµÄ¡£ÎÒÊÇÏëÈÃ×¢²áµÄÈËÌîдÓû§Ãû£¬¹â±êÀ뿪Óû§ÃûºóÃæµÄÌîд¿Õ°×´¦ºóÁ¢¿ÌÀûÓÃaj ......
Çë½ÌÒ»¸öÎÊÌâ
ÔÚÖ÷Ò³Ãæ(Ö÷¿ò¼ÜÒ³)Main.aspxÓÐÒ»¸ö·½·¨
check_SysState =0;
function checkSysConfig()
{
fnCheckFolder();//¼ ......
AjaxÊÇ»ùÓÚJavaScriptµÄ£¬¶øjs³öÓÚ°²È«¿¼ÂÇÊDz»ÄܲÙ×÷ÎļþµÄ£¬ËùÒÔAjax²»ÄÜÖ±½ÓÉÏ´«¸½¼þ£¬¿ÉÒÔÓÃÆäËû±äͨ·½Ê½ÊµÏÖ¡£
µ«ÊÇAjaxÌá½»Ò²ÊÇ»ùÓÚHTTPÐÒéµÄ£¬ËüÒ²·ÖGETºÍPOSTÌá½»·½Ê½£¬¿ÉÒÔ°Ñ±íµ¥ÄÚÈݷŵ½ÏûÏ¢ÌåÖУ¬Õ⺠......
±ÈÈçʵÏÖ¼ì²âÓû§ÃûµÄ¹¦ÄÜ£¬¿ÉÒÔʹÓÃxmlhttprequestµ÷ÓÃusercheck.aspx£¬Ò²¿ÉÒÔµ÷ÓÃÒ»¸öweb service usercheck.asmxÖÐ checkuser£¨username£©·½·¨¡£ÄĸöºÃһЩ£¿»¹ÓоÍÊÇÈç¹ûʹÓÃweb serviceµÄ»°£¬ÔõÑù·ÀÖ¹ËûÈ˵÷Óã ......
Ìý˵AJAX»á±©Â¶·þÎñÆ÷£¬ÎªÊ²Ã´£¿ÈçºÎ½â¾ö£¿
ÒýÓÃ
Ìý˵AJAX»á±©Â¶·þÎñÆ÷£¬ÎªÊ²Ã´£¿ÈçºÎ½â¾ö£¿
ûÌý¹ý£¬×ø¸ösf£¬µÈ¥ϸßÊÖ
±©Â¶·þÎñÆ÷¶Ë¶ÔÏó.ÒòΪ
ÐèҪͨ¹ý¶ÔÏó·½·¨ºÍweb service ½Ó¿ÚÖ®¼äµÄÒ»Ò»Ó³É ......