XML字符串和 java对象项目转换

这是之前写,仅供参考（如果缺少jar包可以私信我，CSDN现在下载的东西太费了，动不动就要积分，开源精神所剩无几了，也没办法都需要吃饭，可以理解）

 import javax.xml.bind.JAXBContext;

 import javax.xml.bind.JAXBException;

 import javax.xml.bind.Marshaller;

 import javax.xml.bind.Unmarshaller;

 public class XMLUtils{

         /**

      * add by scy 通过JAXB生成XML字符串

      * @param clazz

      * @return

      */

     public static String obj2XML(Object obj){

         StringWriter sw = new StringWriter();

         String xml = null;

         try {

             // 利用jdk中自带的转换类实现

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

             Marshaller marshaller = context.createMarshaller();

             // 格式化xml输出的格式

             marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT,Boolean.TRUE);

             marshaller.setProperty(Marshaller.JAXB_FRAGMENT, Boolean.FALSE);

             marshaller.setProperty(Marshaller.JAXB_ENCODING, "gb2312");

             // 将对象转换成输出流形式的xml

             marshaller.marshal(obj, sw);

             xml = sw.toString();

         } catch (JAXBException e) {

             e.printStackTrace();

         }

         return xml;

     }

     /**

      * add by scy 通过JAXB将XML转化为Object

      * @param xml

      * @param clazz

      * @return

      */

     public static <T> Object xml2Obj(String xml,Class<T> clazz){

         Object obj = null;

         try {

             JAXBContext jaxbContext = JAXBContext.newInstance(clazz);

             Unmarshaller um = jaxbContext.createUnmarshaller();

             StringReader sr = new StringReader(xml);

             obj = clazz.newInstance();

             obj = um.unmarshal(sr);

         } catch (JAXBException e) {

             // TODO Auto-generated catch block

             e.printStackTrace();

         } catch (InstantiationException e) {

             // TODO Auto-generated catch block

             e.printStackTrace();

         } catch (IllegalAccessException e) {

             // TODO Auto-generated catch block

             e.printStackTrace();

         }

         return obj;

     }

 }