code: public static Map<String, String> toMap(Element element) {
          Map<String, String> rest = new HashMap<String, String>();
          List<Element> els = element.elements();
          for (Element el : els) {
              rest.put(el.getName().toLowerCase(), el.getTextTrim());
          }
          return rest;
      }
docs: 转MAP
  
  @param element
  @return
  @author