Ajax应用1
function GetXmlHttpObject(){var xmlHttp=null;try { // Firefox, Opera 8.0+, Safari xmlHttp=new XMLHttpRequest(); }catch (e) { // Internet Explorer try { xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); } }return xmlHttp;}var url = "";url = "jkhtAjaxAction.do?operFlag=checkSavexmlHttp = createXMLHttpRequest();xmlHttp.onreadystatechange = function handleStateChange() {if (xmlHttp.readyState == 4) {if (xmlHttp.status == 200) { var value = xmlHttp.responseText; }}};xmlHttp.open("GET", url, true);xmlHttp.send(null);
response.setContentType("text/html");response.setHeader("Cathe-Control", "no-cache");response.setHeader("Pragma", "no-cache");if ("checkSave".equals(operFlag)) {}response.getWriter().println(returnflag);
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