【整理】IE和FireFox都支持的AJAX解析XML的方法
========================AJAX=====================var xmlHttp = false;try { xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");}catch (e) { try { xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); }catch (e2) { xmlHttp = false; }}if (!xmlHttp && typeof XMLHttpRequest != 'undefined') { xmlHttp = new XMLHttpRequest();}function onIdcChanged(idcid){var requrl = "${ctx}/block/idc/block.do?method=getRoom&parentInventoryId="+idcid;xmlHttp.open("POST",requrl, true);xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");xmlHttp.onreadystatechange = update;xmlHttp.send(null);//为支持火狐加null}function update(){if(xmlHttp.readyState == 4) { try{ var retXml = xmlHttp.responseText; //alert(retXml); //parase the xml,and then update the related box if( retXml == "false" ){ //can not get the customer info alert(retXml); }else{ //get the html element var room = document.getElementById("room"); clearSelect(room,true); //get the xml data var xmlDoc; if (window.ActiveXObject) { xmlDoc=new ActiveXObject("Microsoft.XMLDOM"); xmlDoc.async=true; xmlDoc.loadXML(retXml); } // code for Mozilla, Firefox, Opera, etc. else if (document.implementation && document.implementation.createDocument) { var oParser=new DOMParser(); xmlDoc=oParser.parseFromString(retXml,"text/xml"); } else { alert('你的浏览器不支持这个脚本！'); } var items = xmlDoc.getElementsByTagName("rooms"); alert(items.getAttribute("name")); for(var i=0;i<items.length;i++){ var id = items.getAttribute("id"); var name = items.getAttribute("name"); room.options.add(new Option(name,id)); } } }catch(e){ //alert(e); }}}====================Method================== public ActionForward getRoom(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { String xml = "false"; Document document = DocumentHelper.createDocument(); Element root = document.addElement("root"); Element ele = null; ele = root.addElement("rooms"); ele.addAttribute("id", "allroom"); MyUser user = (MyUser) request.getSession().getAttribute(MyConstant.SESS_USER); Integer idcId = Integer.parseInt(request.getParameter("parentInventoryId")); InventoryApi api = InventoryApi.getInstance(); List<InventoryItem> roomList = null; roomList = api.getRoomListByIdc(idcId, user); try { for (int i = 0; roomList != null && i < roomList.size(); i++) { ele = root.addElement("rooms"); ele.addAttribute("id", roomList.get(i).getId() + ""); ele.addAttribute("name", roomList.get(i).getName() + ""); } xml = document.asXML(); } catch (Exception e) { e.printStackTrace(); } renderXML(response, xml); return null; }
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