ajax返回xml并解析
//创建xmlrequest对象
function getXMLHttpRequestObject(){
??
?try{
??xmlRequest = new XMLHttpRequest(); //Firefox ,safari
?}catch(e){
??//IE
??try{
???xmlRequest = new ActiveXObject("Msxml2.XMLHTTP");
??}catch(e){
????? xmlRequest = new ActiveXObject("Microsoft.XMLHTTP");
??}
?}
?return xmlRequest;
}
//发送ajax请求
?
function sendAjaxRequest(url,callBackMethod){
?xmlRequest = getXMLHttpRequestObject();
?xmlRequest.onreadystatechange = callBackMethod;
?xmlRequest.open("post",url,true);
?xmlRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
?xmlRequest.send(url);
?return true;
}?
?
//ajax调用函数
function? getTotalList1(product){
??? url = "../sparepart/get.action?product="+product;
??? if(!sendAjaxRequest(url,dataChange))
????return;
? }
?
//状态改变时调用的函数
? function? dataChange(){
???? if(xmlRequest.readyState==4){
???if(xmlRequest.status==200){
????parseXML(xmlRequest.responseXML);//已经可以正常接受数据
???}else { //页面不正常
??????????????? window.alert("您所请求的页面有异常。");
??????????? }
??}
? }
//解析返回的xml
? function? parseXML(xml){
???? var? infos = xml.getElementsByTagName("info");
????? for(var i=0;i<infos.length;i++){
?????? var? name = infos[i].getElementsByTagName('name')[0].firstChild.data;
?????? var issn = infos[i].getElementsByTagName('issn')[0].firstChild.data;
?????? var id = infos[i].getElementsByTagName('id')[0].firstChild.data;
?????? doAppend(name,issn,id);??????
????? }????
? }
?
//jsp界面此处注意out变量类型
<%@ page? contentType="text/xml; charset=UTF-8" language="java" %>
<%@ page import="java.util.*" %>
<%@ page import="java.io.*" %>
<%@ page import="css.sparepart.bean.Info" %>
<%
?response.setCharacterEncoding("utf-8");
?response.setContentType("text/xml;charset=utf-8");
?List? list = (ArrayList)request.getAttribute("sanlist");
?PrintWriter out1 = response.getWriter();
?out1.println("<?xml version="1.0" encoding="UTF-8"?>");
?out1.println("<infos>");
?for(int i=0;i<list.size();i++){
?? Info? info= (Info)list.get(i);
?? out1.println("<info>");
?? out1.println("<name>"+info.getName()+"</name>");
?? out1.println("<issn>"+info.getIssn()+"</issn>");
?? out1.println("<id>"+info.getId()+"</id>");
?? out1.println("</info>");
?}
? out1.println("</infos>");
%>
