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）
1 import javax.xml.bind.JAXBContext; 2 import javax.xml.bind.JAXBException; 3 import javax.xml.bind.Marshaller; 4 import javax.xml.bind.Unmarshaller; 5 6 public class XMLUtils{ 7 8 /** 9 * add by scy 通过JAXB生成XML字符串 10 * @param clazz 11 * @return 12 */ 13 public static String obj2XML(Object obj){ 14 StringWriter sw = new StringWriter(); 15 String xml = null; 16 try { 17 // 利用jdk中自带的转换类实现 18 JAXBContext context = JAXBContext.newInstance(obj.getClass()); 19 20 Marshaller marshaller = context.createMarshaller(); 21 // 格式化xml输出的格式 22 marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT,Boolean.TRUE); 23 marshaller.setProperty(Marshaller.JAXB_FRAGMENT, Boolean.FALSE); 24 marshaller.setProperty(Marshaller.JAXB_ENCODING, "gb2312"); 25 // 将对象转换成输出流形式的xml 26 marshaller.marshal(obj, sw); 27 xml = sw.toString(); 28 } catch (JAXBException e) { 29 e.printStackTrace(); 30 } 31 return xml; 32 } 33 34 /** 35 * add by scy 通过JAXB将XML转化为Object 36 * @param xml 37 * @param clazz 38 * @return 39 */ 40 public static <T> Object xml2Obj(String xml,Class<T> clazz){ 41 Object obj = null; 42 try { 43 JAXBContext jaxbContext = JAXBContext.newInstance(clazz); 44 Unmarshaller um = jaxbContext.createUnmarshaller(); 45 StringReader sr = new StringReader(xml); 46 obj = clazz.newInstance(); 47 obj = um.unmarshal(sr); 48 } catch (JAXBException e) { 49 // TODO Auto-generated catch block 50 e.printStackTrace(); 51 } catch (InstantiationException e) { 52 // TODO Auto-generated catch block 53 e.printStackTrace(); 54 } catch (IllegalAccessException e) { 55 // TODO Auto-generated catch block 56 e.printStackTrace(); 57 } 58 return obj; 59 } 60 }