xml和bean的转换
  LUWQcQIt0mEn 2023年11月02日 23 0
/**
     * xml字符串转java对象
     *
     * @param xmlString xml字符串
     * @param clazz     要转的java对象
     * @param <T>       泛型
     * @return T
     */
    public static <T> T xmlToBean(String xmlString, Class<T> clazz) throws XMLStreamException, JAXBException {
        XMLInputFactory factory = XMLInputFactory.newInstance();
        InputStream stream = new ByteArrayInputStream(xmlString.getBytes(StandardCharsets.UTF_8));
        XMLEventReader someSource = factory.createXMLEventReader(stream);

        JAXBContext jaxbContext = JAXBContext.newInstance(clazz);
        Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
        JAXBElement<T> userElement = jaxbUnmarshaller.unmarshal(someSource, clazz);
        return userElement.getValue();
    }

    /**
     * bean对象转xml字符串
     *
     * @param obj   bean对象
     * @param clazz 要转的bean.Class
     * @return object
     */
    public static String beanToXml(Object obj, Class<?> clazz) throws JAXBException {
        JAXBContext context = JAXBContext.newInstance(clazz);
        Marshaller marshaller = context.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
        marshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");
        StringWriter writer = new StringWriter();
        marshaller.marshal(obj, writer);
        return writer.toString();
    }

    /**
     * xml字符串转Object对象
     *
     * @param xmlString xml字符串
     * @param load      要转的bean.Class
     * @return object
     */
    public static Object xmlToObject(String xmlString, Class<?> load) throws JAXBException, IOException {
        JAXBContext context = JAXBContext.newInstance(load);
        Unmarshaller unmarshaller = context.createUnmarshaller();
        Object object = unmarshaller.unmarshal(new StringReader(xmlString));
        return object;
    }
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最后一次编辑于 2023年11月08日 0

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