Dom4j相关方法（创建、解析）

    /**     * 组装测试报文     * @param serviceId     * @param serviceTime     * @return     */    public static String getXmlInfo(String serviceId, String serviceTime) {        //定义一个XML文档对象        Document document = DocumentHelper.createDocument();        // 文档增加节点，即根节点，一个文档只能有一个根节点，多加出错        Element root = document.addElement("Service");        // 添加注释        //root.addComment("报文头");        // 根节点下添加节点        Element first = root.addElement("Service_Header");        // 节点添加属性        //first.addAttribute("index", "01");        // 节点下添加节点        Element service_sn = first.addElement("service_sn");        Element service_id = first.addElement("service_id");        Element branch_id = first.addElement("branch_id");        Element requester_id = first.addElement("requester_id");        Element channel_id = first.addElement("channel_id");        Element version_id = first.addElement("version_id");        Element service_time = first.addElement("service_time");        // 节点设置内容数据        service_sn.setText("000000000000000000");        service_id.setText(serviceId);        branch_id.setText("810101011");        requester_id.setText("test");        channel_id.setText("001");        version_id.setText("01");        service_time.setText(serviceTime);        // 创建格式化类,默认生成的XML文件排版格式比较乱，可以通过OutputFormat类格式化输出        // 默认采用createCompactFormat()显示比较紧凑，最好使用createPrettyPrint()        OutputFormat outputFormat = OutputFormat.createPrettyPrint();        outputFormat.setIndent(" ");        outputFormat.setIndentSize(4);        StringWriter formatXml = new StringWriter();        // 创建xml输出流        XMLWriter writer = new XMLWriter(formatXml, outputFormat);        try {            writer.write(document);        } catch (IOException e) {            e.printStackTrace();        }        return formatXml.toString();    }

/** * 解析resources下的XML文件 */private static void readXml() {    //使用org.springframework.core.io.ClassPathResource，各种环境都能读取resources下的文件。（通用）    Resource resource = new ClassPathResource("dome.xml");    Document document = null;    try {        InputStream inputStream = resource.getInputStream();        SAXReader saxReader = new SAXReader();        //Document 定义了XML文档        document = saxReader.read(inputStream);    } catch (IOException e) {        e.printStackTrace();    } catch (DocumentException e) {        e.printStackTrace();    }    //Element定义XML 元素    Element rootElement = document.getRootElement();    // 这样也可以    //List elements = rootElement.elements();    Iterator iterator = rootElement.elementIterator();    while (iterator.hasNext()) {        Element element = (Element) iterator.next();        //Attribute定义了XML的属性        List<Attribute> attributes = element.attributes();        System.out.println("----------获取属性值--------------");        for(Attribute attribute : attributes) {            System.out.println(attribute.getValue());        }        System.out.println("----------遍历子节点--------------");        Iterator iterator1 = element.elementIterator();        while (iterator1.hasNext()) {            Element element1 = (Element) iterator1.next();            System.out.println("节点名：" + element1.getName() + "---节点值：" + element1.getStringValue());        }    }}

来源：https://www.cnblogs.com/ggah/p/12168340.html