dom4j 解析xml文件demo

public void testDom4j(){
        //读取XML文件,获得document对象
        Document document = null;
        try {
            SAXReader saxReader = new SAXReader();
            document = saxReader.read(this.getClass().getClassLoader().getResourceAsStream("student.xml"));
        }catch (DocumentException e) {
            e.printStackTrace();
        }
        //获取根节点
        Element root = document.getRootElement();
        // !获取子节点
		List<Element> elements = rootElement.elements();
        //获取节点属性-值
        getNodes(root);
    }

    public static void getNodes(Element rootElement) {
        System.out.println("标签名："+rootElement.getName());
        // 获取属性信息
        List<Attribute> attributes = rootElement.attributes();
        for (Attribute attribute : attributes) {
            System.out.println("标签内属性:" + attribute.getName() + "---" + attribute.getText());
        }
        // 获取属性value
        String value = rootElement.getTextTrim();
        if (!StringUtils.isEmpty(value)) {
            System.out.println("标签值:" + value);
        }
        System.out.println("——————————————");

        // 使用迭代器遍历,继续遍历子节点
        Iterator<Element> elementIterator = rootElement.elementIterator();
        while (elementIterator.hasNext()) {
            Element next = elementIterator.next();
            getNodes(next);
        }
    }

更多可参考：
https://blog.csdn.net/p812438109/article/details/81814157
https://blog.csdn.net/qq_41860497/article/details/84339091#2.%205%E3%80%81%C2%A0%E9%81%8D%E5%8E%86xml%E8%8A%82%E7%82%B9