import java.util.Iterator;
import java.util.SortedMap;
import java.util.TreeMap;

public class MainTest {

    /**
     * map轉xml格式
     * @param sortedMap
     * @return
     */
    public static String mapToXml(SortedMap<Object, Object> sortedMap) {
        StringBuffer sb = new StringBuffer("<Request>");
        Iterator iterator 
 
= sortedMap.keySet().iterator();
        while (iterator.hasNext()) {
            Object key = (String) iterator.next();
            Object value = sortedMap.get(key);
            sb.append("<" + key + ">");
            sb.append(value);
            sb.append("</" + key + ">");
        }
        sb.append(
 
"</Request>");
        return sb.toString();
    }


    public static void main(String[] args) {
        SortedMap<Object, Object> paramMap = new TreeMap<Object, Object>();
        paramMap.put("code1", 111);
        paramMap.put("code2", 222);
        paramMap.put("code3", 333);
        String soapXML 
 
=mapToXml(paramMap);
        System.out.println(soapXML);
    }
}

輸出

<Request><code1>111</code1><code2>222</code2><code3>333</code3></Request>