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StringReader sr = new StringReader(xmlStr);
InputSource is = new InputSource(sr);
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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Document doc = builder.parse(is);
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TransformerFactory tf = TransformerFactory.newInstance();
Transformer t = tf.newTransformer();
t.setOutputProperty(\"encoding\",\"GB23121\");//½â¾öÖÐÎÄÎÊÌ⣬ÊÔ¹ýÓÃGBK²»ÐÐ
ByteArrayOutputStream bos = new ByteArrayOutputStream();
t.transform(new DOMSource(doc), new StreamResult(bos));
String xmlStr = bos.toString();


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<html xmlns:v="urn:schemas-microsoft-com:vml">
<head>
 <STYLE>
  v\:* { Behavior: url(#default#VML) }
  body {
   background-color:DarkGoldenrod;
   margin-left: 10px;
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var flags ;
  if(window.XMLHttpRequest) { 
   XMLHttpReq = new XMLHttpRequest(); //firefoxÏÂÖ´ÐдËÓï¾ä
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    try{
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