1. JavaScript
function ajaxRequest(url){ var xmlHttpReq; var response; try{ xmlHttpReq = new ActiveXObject("Msxml2.XMLHTTP"); }catch(e){ try{ xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP"); }catch(e){ try{ xmlHttpReq = new XMLHttpRequest(); }catch(e){} } } try{ xmlHttpReq.open("POST", url, false); xmlHttpReq.onreadystatechange = function(){ if(xmlHttpReq.readyState == 4){ if(xmlHttpReq.status == 200){ response = xmlHttpReq.responseText; }else{ alert("Problem: " + xmlHttpReq.statustext); } } }; xmlHttpReq.send(null); if(response==null){ response = xmlHttpReq.responseText; } }catch(e){} return response; }
2.JSP调用
var ajaxurl="<%=request.getContextPath()%>/adminDownload/doAjaxTest.action?";
alert(ajaxRequest(ajaxurl));
3.struts.xml配置
<action name="doAjaxTest" class="cots.admin.action.COTSDownloadReportAction" method="doAjaxTest"> </action>
4.Action代码
public void doAjaxTest(){
try{
HttpServletResponse res = ServletActionContext.getResponse();
PrintWriter out = res.getWriter();
out.println("get from ajax!");
}catch (Exception e) {
log.error( e.getMessage(), e);
}
}