public class JaxbUtil {

     /**

      * java对象转换为xml文件

      *

      * @param xmlPath xml文件路径

      * @param load    java对象.Class

      * @return xml文件的String

      * @throws JAXBException

      */

     public static String beanToXml(Object obj, Class<?> load) throws JAXBException {

         JAXBContext context = JAXBContext.newInstance(load);

         Marshaller marshaller = context.createMarshaller();

         marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, false);

         StringWriter writer = new StringWriter();

         marshaller.marshal(obj, writer);

         return writer.toString();

     }

     /**

      * xml文件配置转换为对象

      *

      * @param xmlPath xml文件路径

      * @param load    java对象.Class

      * @return java对象

      * @throws JAXBException

      * @throws IOException

      */

     @SuppressWarnings("unchecked")

     public static <T> T xmlToBean(String xmlPath, Class<T> load) throws JAXBException, IOException {

         JAXBContext context = JAXBContext.newInstance(load);

         Unmarshaller unmarshaller = context.createUnmarshaller();

         return (T) unmarshaller.unmarshal(new StringReader(xmlPath));

     }

     /**

      * JavaBean转换成xml 默认编码UTF-8

      *

      * @param obj

      * @param writer

      * @return

      */

     public static String convertToXml(Object obj) {

         return convertToXml(obj, "UTF-8");

     }

     /**

      * JavaBean转换成xml

      *

      * @param obj

      * @param encoding

      * @return

      */

     public static String convertToXml(Object obj, String encoding) {

         String result = null;

         try {

             JAXBContext context = JAXBContext.newInstance(obj.getClass());

             Marshaller marshaller = context.createMarshaller();

             marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);

             marshaller.setProperty(Marshaller.JAXB_ENCODING, encoding);

             //去掉生成xml的默认报文头

              marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);

             StringWriter writer = new StringWriter();

             writer.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + "\n    ");

             marshaller.marshal(obj, writer);

             result = writer.toString();

         } catch (Exception e) {

             e.printStackTrace();

         }

         return result;

     }

     /**

      * JavaBean转换成xml去除xml声明部分

      *

      * @param obj

      * @param encoding

      * @return

      */

     public static String convertToXmlIgnoreXmlHead(Object obj, String encoding) {

         String result = null;

         try {

             JAXBContext context = JAXBContext.newInstance(obj.getClass());

             Marshaller marshaller = context.createMarshaller();

             marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);

             marshaller.setProperty(Marshaller.JAXB_ENCODING, encoding);

             marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);

             StringWriter writer = new StringWriter();

             marshaller.marshal(obj, writer);

             result = writer.toString();

         } catch (Exception e) {

             e.printStackTrace();

         }

         return result;

     }

     /**

      * xml转换成JavaBean

      *

      * @param xml

      * @param c

      * @return

      */

     @SuppressWarnings("unchecked")

     public static <T> T converyToJavaBean(String xml, Class<T> c) {

         T t = null;

         try {

             JAXBContext context = JAXBContext.newInstance(c);

             Unmarshaller unmarshaller = context.createUnmarshaller();

             t = (T) unmarshaller.unmarshal(new StringReader(xml));

         } catch (Exception e) {

             e.printStackTrace();

         }

         return t;

     }

     private static OutputFormat createPrettyPrint() {

         OutputFormat format = new OutputFormat();

         //format.setIndentSize(2);

         format.setNewLineAfterDeclaration(false);

         format.setNewlines(true);

         format.setTrimText(false);

         format.setPadText(false);

         return format;

     }

     /**

      *

      * @Title: formatXml

      * @author：humingbo

      * @date：2019年7月18日上午11:35:08

      * @Description: 格式化xml方法

      * @param str

      * @return

      * @throws Exception

      */

     public static String formatXml(String str) throws Exception {

         Document document = null;

         document = DocumentHelper.parseText(str);

         // 格式化输出格式

         OutputFormat format = createPrettyPrint();

         format.setEncoding("UTF-8");

         StringWriter writer = new StringWriter();

         // 格式化输出流

         XMLWriter xmlWriter = new XMLWriter(writer, format);

         // 将document写入到输出流

         xmlWriter.write(document);

         xmlWriter.close();

         return writer.toString();

     }

 }