code: public static Map<?, ?> toMap(File file, String encoding) throws UnmarshalException, NoSuchPathException {
  		return (Map<?, ?>) toObject(file, encoding, Map.class);
  	}
docs: 将XML文件绑定为<code>Map</code>对象
  
  @param file XML文件
  @param encoding XML文件编码, 例如UTF-8, GBK
  
  @return Map对象
  
  @throws NoSuchPathException 路径异常
  @throws UnmarshalException 解组异常