ASYNCHRONOUS JAVASCRIPT AND XML

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// ¶¨ÒåÒ»¸öÈ«¾Ö
var xmlHttp;
// ·µ»ØÒ»¸öxmlHttpRequest¶ÔÏó
function createXMLHttpRequest() {
if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
} else {
if (window.ActiveXObject) {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
}
return xmlHttp;
}
// ÔÚ¶¯×÷´¥·¢µãµ÷Óô˷½·¨£¬Òª´«²Î
function searchBwd(dirid){
var id = dirid;
createXMLHttpRequest();
if (xmlHttp) {
// ÉèÖÃurl·¾¶¡£Ö´ÐÐJAVA²ã·½·¨µÄ·¾¶¡£Èç´ø²Î£¬URLÖеÄ&²ÎÊýΪÆäÒ³ÃæÏà¹ØFORM BEANÖеÄ×ֶΣ¬ÈçÏÂÃæµÄ“singledirid”¡£
var url = "addBWDVocAction.do?actionType=GetDirBwd&singledirid=" + id;
// Òì²½¸üÐÂ
xmlHttp.open("POST", url, true);
xmlHttp.onreadystatechange = callback;// ´Ë·½·¨ÔÚÏÂÃæ¡£
xmlHttp.send();
} else {
alert("Can not create the request,please check your browser!!");
}
}
function callback() {
if (xmlHttp.readyState == 4) {
if (xmlHttp.status == 200) {
setBwdValue();// ´Ë´¦¿ªÊ¼Ö´ÐÐÔÚÒ³ÃæÉÏ»­Êý¾ÝÁбíµÄ·½·¨
// ÈçÀàËÆÓÚÏÈ´æ´¢£¬ÔÙ²éѯչÏÖнá¹ûʱ£¬ÔÚ´Ëcallback·½·¨´¦ÔÙÒýÈë²éѯ·½·¨
} else {
window.location = "admin_addbwd.jsp";// Ö¸¶¨½á¹ûÒ³Ãæ
}
}
}
// Ò³ÃæÉÏ»­Êý¾ÝÁбí
function setBwdValue() {
// ÏÂÃæÕⶨÒåÈý¸ö±äÁ¿£¬ÔÚÆäºóµÄFORÑ­»·ÀïÈ¡Öµ£¬À´Ô´ÊÇJAVA²ã£¨ÈçSTRUTSÀïµÄACTION£©Êä³öµÄXMLÁ÷£¬ºóÃæ¸ø³ö¡£
var bwdid;
var bwdName_zh;
var bwdName;
var xmlDoc = xmlHttp.responseXML;
var root = xmlDoc.getElementsByTagName("xml").item(0);
for (var i = 0; i < root.childNodes.length; i++) {
var child = root.childNodes[i].childNodes;
// ÏÂÃæ¸øÒÔÉÏÈý¸ö×Ô¶¨ÒåµÄ±äÁ¿¸³Öµ£º
bwdid = child[0].firstChild.nodeValue;
bwdName_zh = child[1].firstChild.nodeValue;
bwdName = child[2].firstChild.nodeValue;
// ÏÈÅжÏÈý¸ö±äÁ¿ÀïµÄÖµÊÇ·ñΪ¿Õ
if (bwdid != "" && bwdName_zh != "" && bwdName != "") {
//Ìí¼ÓÒ»ÐÐ
var newTr = dirbwdTbl.insertRow();
//Ìí¼ÓÒ»ÁÐ
var newTd0 = newTr.insertCell();
//ÉèÖÃÁÐÄÚÈݺÍÊôÐÔ
newTd0.innerHTML =
"<label