XML学习（三） js保存xml的示例代码分享

.aspx页利用XMLHTTPrequest发送修改过的xml，在接受也接收保存。

主要语句

 xmlHttp.open("POST", "receive.aspx?type=xmlsave", true); 

 xmlHttp.send(xmlDoc);

代码

<p><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span   style="max-width:90%"><</span><span style="color: #800000;">html </span><span style="color: #ff0000;">xmlns</span><span style="color: #0000ff;">="http://www.w3.org/1999/xhtml"</span><span style="color: #0000ff;">></span><span style="color: #000000;"><br/></span><span style="color: #0000ff;"><</span><span style="color: #800000;"><a href="http://www.php.cn/html/html-HEAD-2.html" target="_blank">head</a> </span><span style="color: #ff0000;">runat</span><span style="color: #0000ff;">="server"</span><span style="color: #0000ff;">></span><span style="color: #000000;"><br/></span><span style="color: #0000ff;"><</span><span style="color: #800000;">title</span><span style="color: #0000ff;">></</span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span><span style="color: #000000;"><br/></span><span style="color: #0000ff;"><</span><span style="color: #800000;">script </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text/<a href="http://www.php.cn/wiki/48.html" target="_blank">javascript</a>"</span><span style="color: #0000ff;">></span><span style="background-color: #f5f5f5; color: #000000;"><br/></span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> parseXML() {<br/></span><span style="background-color: #f5f5f5; color: #0000ff;">try</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">Internet Explorer</span><span style="background-color: #f5f5f5; color: #008000;"><br/></span><span style="background-color: #f5f5f5; color: #000000;">            {<br/>               xmlDoc </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #0000ff;"><a href="http://www.php.cn/wiki/165.html" target="_blank">new</a></span><span style="background-color: #f5f5f5; color: #000000;"> ActiveX<a href="http://www.php.cn/wiki/60.html" target="_blank">Object</a>(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">Microsoft.XMLDOM</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">);<br/>            }<br/></span><span style="background-color: #f5f5f5; color: #0000ff;">catch</span><span style="background-color: #f5f5f5; color: #000000;"> (e) {              <br/></span><span style="background-color: #f5f5f5; color: #0000ff;">try</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">Firefox, Mozilla, Opera, etc.</span><span style="background-color: #f5f5f5; color: #008000;"><br/></span><span style="background-color: #f5f5f5; color: #000000;">                {<br/>                    xmlDoc </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> <a href="http://www.php.cn/code/658.html" target="_blank">document</a>.implementation.createDocument(</span><span style="background-color: #f5f5f5; color: #000000;">""</span><span style="background-color: #f5f5f5; color: #000000;">, </span><span style="background-color: #f5f5f5; color: #000000;">""</span><span style="background-color: #f5f5f5; color: #000000;">, </span><span style="background-color: #f5f5f5; color: #0000ff;"><a href="http://www.php.cn/wiki/62.html" target="_blank">null</a></span><span style="background-color: #f5f5f5; color: #000000;">);<br/>                }<br/></span><span style="background-color: #f5f5f5; color: #0000ff;">catch</span><span style="background-color: #f5f5f5; color: #000000;"> (e) {<br/>                    alert(e.message);<br/></span><span style="background-color: #f5f5f5; color: #0000ff;"><a href="http://www.php.cn/wiki/135.html" target="_blank">return</a></span><span style="background-color: #f5f5f5; color: #000000;">;<br/>                }<br/>            }<br/>            xmlDoc.async </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #0000ff;">false</span><span style="background-color: #f5f5f5; color: #000000;">; </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">假如xml载入完毕执行以下</span><span style="background-color: #f5f5f5; color: #008000;"><br/></span><span style="background-color: #f5f5f5; color: #000000;">            xmlDoc.load(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">note.xml</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">);<br/><br/><br/>            xmlDoc.<a href="http://www.php.cn/code/8145.html" target="_blank">getElementsByTagName</a>(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">to</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">)[</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">].childNodes[</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">].nodeValue </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">yaomingming</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">;<br/><br/></span><span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> xmlHttp;<br/><br/></span><span style="background-color: #f5f5f5; color: #0000ff;">try</span><span style="background-color: #f5f5f5; color: #000000;"> {<br/></span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> Firefox, Opera 8.0+, Safari</span><span style="background-color: #f5f5f5; color: #008000;"><br/></span><span style="background-color: #f5f5f5; color: #000000;">                xmlHttp </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #0000ff;">new</span><span style="background-color: #f5f5f5; color: #000000;"> XMLHttpRequest();<br/>            }<br/></span><span style="background-color: #f5f5f5; color: #0000ff;">catch</span><span style="background-color: #f5f5f5; color: #000000;"> (e) {<br/><br/></span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> Internet Explorer</span><span style="background-color: #f5f5f5; color: #008000;"><br/></span><span style="background-color: #f5f5f5; color: #000000;">                </span><span style="background-color: #f5f5f5; color: #0000ff;">try</span><span style="background-color: #f5f5f5; color: #000000;"> {<br/>                    xmlHttp </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #0000ff;">new</span><span style="background-color: #f5f5f5; color: #000000;"> ActiveXObject(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">Msxml2.XMLHTTP</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">);<br/>                }<br/></span><span style="background-color: #f5f5f5; color: #0000ff;">catch</span><span style="background-color: #f5f5f5; color: #000000;"> (e) {<br/><br/></span><span style="background-color: #f5f5f5; color: #0000ff;">try</span><span style="background-color: #f5f5f5; color: #000000;"> {<br/>                        xmlHttp </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #0000ff;">new</span><span style="background-color: #f5f5f5; color: #000000;"> ActiveXObject(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">Microsoft.XMLHTTP</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">);<br/>                    }<br/></span><span style="background-color: #f5f5f5; color: #0000ff;">catch</span><span style="background-color: #f5f5f5; color: #000000;"> (e) {<br/>                        alert(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">您的浏览器不支持AJAX！</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">);<br/></span><span style="background-color: #f5f5f5; color: #0000ff;">return</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #0000ff;">false</span><span style="background-color: #f5f5f5; color: #000000;">;<br/>                    }<br/>                }<br/>            }<br/>            xmlHttp.onreadystatechange </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">() {    </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">onreadystatechange <a href="http://www.php.cn/wiki/169.html" target="_blank">属性</a>存有处理服务器响应的<a href="http://www.php.cn/wiki/145.html" target="_blank">函数</a></span><span style="background-color: #f5f5f5; color: #008000;"><br/></span><span style="background-color: #f5f5f5; color: #000000;">                </span><span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;"> (xmlHttp.readyState </span><span style="background-color: #f5f5f5; color: #000000;">==</span><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="background-color: #f5f5f5; color: #000000;">4</span><span style="background-color: #f5f5f5; color: #000000;">) {       </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">readyState 属性存有服务器响应的<a href="http://www.php.cn/code/8243.html" target="_blank">状态</a>信息</span><span style="background-color: #f5f5f5; color: #008000;"><br/></span><span style="background-color: #f5f5f5; color: #000000;">                    document.getElementById(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">to</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">).innerHTML </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> xmlHttp.respon<a href="http://www.php.cn/code/8209.html" target="_blank">seT</a>ext; </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">通过 responseText 属性来取回由服务器返回的数据</span><span style="background-color: #f5f5f5; color: #008000;"><br/></span><span style="background-color: #f5f5f5; color: #000000;">                }<br/>            }<br/>            xmlHttp.open(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">POST</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">, </span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">receive.aspx?type=xmlsave</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">, </span><span style="background-color: #f5f5f5; color: #0000ff;">true</span><span style="background-color: #f5f5f5; color: #000000;">); <br/><br/></span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> open() 方法需要三个参数。第一个参数定义发送请求所使用的方法（GET 还是 POST）。第二个参数规定服务器端脚本的 URL。第三个参数规定应当对请求进行异步地处理。</span><span style="background-color: #f5f5f5; color: #008000;"><br/></span><span style="background-color: #f5f5f5; color: #000000;">            xmlHttp.send(xmlDoc);      </span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">send() 方法可将请求送往服务器     </span><span style="background-color: #f5f5f5; color: #008000;"><br/></span><span style="background-color: #f5f5f5; color: #000000;">}</span></p><p><span style="background-color: #f5f5f5; color: #000000;"> </span><span style="color: #0000ff;"></</span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span><span style="color: #000000;"><br/></span><span style="color: #0000ff;"></</span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span><span style="color: #000000;"><br/></span><span style="color: #0000ff;"><</span><span style="color: #800000;">body </span><span style="color: #ff0000;"><a href="http://www.php.cn/wiki/1467.html" target="_blank">onload</a></span><span style="color: #0000ff;">="parseXML()"</span><span style="color: #0000ff;">></span><span style="color: #000000;"><br/></span><span style="color: #0000ff;"><</span><span style="color: #800000;"><a href="http://www.php.cn/wiki/125.html" target="_blank">for</a>m </span><span style="color: #ff0000;">id</span><span style="color: #0000ff;">="form1"</span><span style="color: #ff0000;"> runat</span><span style="color: #0000ff;">="server"</span><span style="color: #0000ff;">></span><span style="color: #000000;"><br/></span><span style="color: #0000ff;"><</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span></p><p><span style="color: #0000ff;"> </span><span style="color: #000000;">　　　　<span id="to"></span><br/></span><span style="color: #0000ff;"></</span><span style="color: #800000;">p</span><span style="color: #0000ff;">></span><span style="color: #000000;"><br/></span><span style="color: #0000ff;"></</span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span><span style="color: #000000;"><br/></span><span style="color: #0000ff;"></</span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span><span style="color: #000000;"><br/></span><span style="color: #0000ff;"></</span><span style="color: #800000;">html</span><span style="color: #0000ff;">></span></p>

receive.aspx.cs

<p><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #000000;"> System.IO.Stream instream </span><span style="color: #000000;">=</span><span style="color: #000000;"> Page.Request.InputStream;<br/>                  BinaryReader br </span><span style="color: #000000;">=</span><span style="color: #000000;"> </span><span style="color: #0000ff;">new</span><span style="color: #000000;"> BinaryReader(instream, System.Text.Encoding.UTF8);<br/></span><span style="color: #0000ff;">byte</span><span style="color: #000000;">[] byt </span><span style="color: #000000;">=</span><span style="color: #000000;"> br.ReadBytes((</span><span style="color: #0000ff;">int</span><span style="color: #000000;">)instream.Length);<br/></span><span style="color: #0000ff;"><a href="http://www.php.cn/wiki/57.html" target="_blank">string</a></span><span style="color: #000000;"> sXml </span><span style="color: #000000;">=</span><span style="color: #000000;"> System.Text.Encoding.UTF8.GetString(byt);<br/><br/>                  System.Xml.XmlDocument xmlDoc </span><span style="color: #000000;">=</span><span style="color: #000000;"> </span><span style="color: #0000ff;">new</span><span style="color: #000000;"> System.Xml.XmlDocument();<br/>                  xmlDoc.LoadXml(sXml);<br/>                  xmlDoc.Save(Server.<a href="http://www.php.cn/code/9794.html" target="_blank">Map</a>Path(</span><span style="color: #800000;">"</span><span style="color: #800000;">note.xml</span><span style="color: #800000;">"</span><span style="color: #000000;">));<br/><br/>                  Response.Write(</span><span style="color: #800000;">"</span><span style="color: #800000;">save</span><span style="color: #800000;">"</span><span style="color: #000000;">);<br/></span></p>

 

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