//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>");
%>