如何使用Java从XML文档中获取所有节点名称的列表

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();

Document document = builder.parse(new File("path/to/xml/file.xml"));

Element root = document.getDocumentElement();

List<String> nodeList = new ArrayList<>();
getNodeNames(root, nodeList);

// 递归遍历节点并获取节点名称
private void getNodeNames(Node node, List<String> nodeList) {
    if (node.getNodeType() == Node.ELEMENT_NODE) {
        nodeList.add(node.getNodeName());
        NodeList children = node.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            getNodeNames(children.item(i), nodeList);
        }
    }
}