ajax xml对象(比较少用，一般用json)

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<%@ page language="java" pageEncoding="utf-8" %>
<!DOCYPE html>
<html>
    <head>
        <meta http-equiv="content-type" content="text/html;charset=utf-8" />
        <title>ajaxXml!!!</title>
        <script type="text/javascript">
            function show(){
                //获得ajax对象 
                var ajax;
                if(window.XMLHttpRequest){
                    ajax=new XMLHttpRequest();
                }else if(window.AtiveXObject){
                    ajax=new AtiveXObject("Msxm12.XMLHTTP");
                }
                //复写ajax.onreadystatechange
                ajax.onreadystatechange=function(){
                    if(ajax.readyState==4){
                        if(ajax.status==200){
                            //获得xml对象
                            var result=ajax.responseXML;
                            alert(result.getElementsByTagName("name")[0].innerHTML);
                        }
                    }
                }
                //请求发送到servlet
                //ajax.open("get","ajaxXml");
                //请求发送到xml.jsp
                ajax.open("get","xml.jsp");
                ajax.send(null);
            }
        </script>
        <style type="text/css">
            #div{
                border:solid 2px;
                width:200px;
                height:100px;
            }
        </style>
    </head>
    <body>
        <div id="div">
            <input type="button" value="show" onclick="show()" />
        </div>
    </body>
</html>
<%@ page language="java" contentType="text/xml; charset=utf-8" pageEncoding="utf-8" %>
<user>
    <uid>1</uid>
    <name>张三</name>
    <price>11.11</price>
</user>
public class AjaxXml extends HttpServlet{
    @Override
    public void service(HttpServletRequest request,HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/XML;charset=utf-8");
        response.getWriter().write("<user><uid>1</uid><name>张三</name><price>11.11</price></user>");
        System.out.println("test");
    }
}
public class AjaxXml extends HttpServlet{
    @Override
    public void service(HttpServletRequest request,HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/XML;charset=utf-8");
        response.getWriter().write("<user><uid>1</uid><name>张三</name><price>11.11</price></user>");
        System.out.println("test");
    }
}

 


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