code: public static <T> T readObjectFromXml(String xmlStr) throws IOException {
  		return readObjectFromXml(new InputSource(StrUtil.getReader(xmlStr)));
  	}
docs: 从XML中读取对象 Reads serialized object from the XML file.
  
  @param <T> 对象类型
  @param xmlStr XML内容
  @return 对象
  @throws IOException IO异常
  @since 3.2.0