使用XMLHttpRequest获取XML数据-优快云博客

<html>
    <head>
    </head>
    <script language="javascript">
        var XMLHttpReq = false;
        function createXMLHttpRequest()
        {
            if(window.XMLHttpRequest)
            {
                XMLHttpReq = new XMLHttpRequest();
            }
            else if(window.ActiveXObject)
            {
                try
                {
                    XMLHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
                }catch(e)
                {
                    try
                    {
                        XMLHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
                    }catch(e)
                    {}
                }
            }
        }

        function sendRequest(url)
        {
            createXMLHttpRequest();
            XMLHttpReq.open("GET",url,true);
            XMLHttpReq.onreadystatechange = processResponse;
            XMLHttpReq.send(null);
        }

        function processResponse()
        {
            if(XMLHttpReq.readystate == 4)
            {
                 if(XMLHttpReq.status == 200 || XMLHttpReq.status == 0)
                 {
     var requestMsg=XMLHttpReq.responseText;
     var xmlDoc = new ActiveXObject("Msxml2.DOMDocument");
     xmlDoc.loadXML(requestMsg);

     //获得属性值
     var aId = xmlDoc.getElementsByTagName("p").item(0).getAttribute("id");
                    var aName = xmlDoc.getElementsByTagName("p").item(1).getAttribute("id");

     //获得节点内容值
     var p1Text = xmlDoc.getElementsByTagName("p").item(0).text;
     var p2Text = xmlDoc.getElementsByTagName("p").item(1).text;


     document.getElementById("squlareIDAttr").value = aId;
                    document.getElementById("squlareNameIDAttr").value = aName;

     document.getElementById("squlareID").value = p1Text;
                    document.getElementById("squlareNameID").value = p2Text;
                 }
            }
        }

        function getSqulareInfo()
        {
            sendRequest("test.xml");
        }
    </script>
    <body>
        <table>
            <tr>
                <td>
                    甲方编码属性：
                </td>
                <td>
                    <input type="text" id="squlareIDAttr" name="squlareIDAttr" size="20" />
                </td>
            </tr>
            <tr>
                <td>
                    甲方名称属性：
                </td>
                <td>
                    <input type="text" id="squlareNameIDAttr" name="squlareNameIDAttr" />
                </td>
            </tr>
   <tr>
                <td>
                    甲方编码：
                </td>
                <td>
                    <input type="text" id="squlareID" name="squlareID" size="20" />
                </td>
            </tr>
            <tr>
                <td>
                    甲方名称：
                </td>
                <td>
                    <input type="text" id="squlareNameID" name="squlareNameID" />
                </td>
            </tr>
            <TR>
                <input type="button" name="ok" id="ok" value="确定" onclick="getSqulareInfo();"/>
            </TR>
        </table>
    </body>
</html>

<?xml version="1.0" encoding="UTF-8"?>
<html>
    <head>
    </head>
    <body>
        <p id="1111111">aaaaaaa</p>
  <p id="2222222">bbbbbbb</p>
     </body>
</html>

学AJAX做的一个小例子