XML字符串和 java對象項目轉換

這是之前寫,僅供參考（如果缺少jar包可以私信我，CSDN現在下載的東西太費了，動不動就要積分，開源精神所剩無幾了，也沒辦法都需要吃飯，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 通過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中自帶的轉換類實現  
            JAXBContext context = JAXBContext.newInstance(obj.getClass());  
  
            Marshaller marshaller = context.createMarshaller();  
            // 格式化xml輸出的格式  
            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT,Boolean.TRUE); 
            marshaller.setProperty(Marshaller.JAXB_FRAGMENT, Boolean.FALSE);
            marshaller.setProperty(Marshaller.JAXB_ENCODING, "gb2312");
            // 將對象轉換成輸出流形式的xml  
            marshaller.marshal(obj, sw);  
            xml = sw.toString();
        } catch (JAXBException e) {  
            e.printStackTrace(); 
        }
        return xml;
    }
    
    /**
     * add by scy 通過JAXB將XML轉化為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; 
    }    
}