ajax XMLHttpRequest post get
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*²»Ö§³Öpost¸½¼þ
*/
function getXmlHttpRequest() {
var xmlHttpRequest = null;
try {
xmlHttpRequest = new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e1) {
try {
xmlHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e2) {
xmlHttpRequest = null;
}
}
if (xmlHttpRequest == null && typeof(XMLHttpRequest) != 'undefined') {
xmlHttpRequest = new XMLHttpRequest();
}
return xmlHttpRequest;
}
/*ʹÓÃpost·½Ê½·¢ËÍÊý¾Ý
*url:submit·¾¶
*arguments:²ÎÊý,Èçname=jese&sex=womanz,ÖÐÎÄÊý¾ÝʱʹÓÃ'name='+getEncodeURIComponent('ÀîËÄ')+'&sex='+getEncodeURIComponent('ÄÐ')½øÐбàÂë
*synchFlag:ͬ²½±ê¼Ç,falseΪͬ²½·½Ê½,trueΪÒì²½·½Ê½
*returnType:·µ»ØÄÚÈÝÀàÐÍ0=responseBody;1=responseStream;2=responseText;3=responseXML
*execute:ΪÒì²½·½Ê½Ìá½»ºóµÄ»Øµ÷º¯Êý,´Ëº¯ÊýÓÃÓÚ´¦Àí·µ»ØÊý¾Ý,¸ñʽΪfunction (obj){},objΪ·µ»ØÄÚÈÝ
*/
function postData(url, arguments, synchFlag, returnType, execute) {
var xmlHttpRequest = getXmlHttpRequest();
if (xmlHttpRequest == null) return false;
xmlHttpRequest.open("POST", url, synchFlag);
xmlHttpRequest.setRequestHeader("CONTENT-TYPE", "application/x-www-form-urlencoded");
xmlHttpRequest.setRequestHeader("Content-Length", arguments.length);
if (synchFlag) {
xmlHttpRequest.onreadystatechange = function() {
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function saveObj(){
var userName = document.getElementById("userName").value;
checkUserName(userName);
}
//ʹÓÃajaxʵÏÖÒ³ÃæÎÞˢй¦ÄÜ;
var xmlHttpRequest;
function createXMLHttpRequest(){
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