//转为XML格式

     public static String ArrayToXml(Map<String, String> arr) {

         String xml = "<xml>";

         Iterator<Entry<String, String>> iter = arr.entrySet().iterator();

         while (iter.hasNext()) {

             Entry<String, String> entry = iter.next();

             String key = entry.getKey();

             String val = entry.getValue();

             if (IsNumeric(val)) {

                 xml += "<" + key + ">" + val + "</" + key + ">";

             } else

                 xml += "<" + key + "><![CDATA[" + val + "]]></" + key + ">";

         }

         xml += "</xml>";

         return xml;

     }

     public static boolean IsNumeric(String str) {

         if (str.matches("\\d *")) {

             return true;

         } else {

             return false;

         }

     }

 //解析XML

         private Map<String, String> doXMLParse(String xml)

                 throws XmlPullParserException, IOException {  

             InputStream inputStream = new ByteArrayInputStream(xml.getBytes());  

             Map<String, String> map = null;  

             XmlPullParser pullParser = XmlPullParserFactory.newInstance()

                     .newPullParser();  

             pullParser.setInput(inputStream, "UTF-8");// 为xml设置要解析的xml数据  

             int eventType = pullParser.getEventType();  

             while (eventType != XmlPullParser.END_DOCUMENT) {

                 switch (eventType) {

                 case XmlPullParser.START_DOCUMENT:

                     map = new HashMap<String, String>();

                     break;  

                 case XmlPullParser.START_TAG:

                     String key = pullParser.getName();

                     if (key.equals("xml"))

                         break;

                     String value = pullParser.nextText();

                     map.put(key, value);

                     break;

                 case XmlPullParser.END_TAG:

                     break;

                 }

                 eventType = pullParser.next();

             }

             return map;

         }