使用StAX将XML元素提取为包含属性命名空间的字符串

import javax.xml.stream.*;
import javax.xml.stream.events.*;

public class StAXExample {
    public static void main(String[] args) {
        try {
            XMLInputFactory factory = XMLInputFactory.newInstance();
            XMLEventReader eventReader = factory.createXMLEventReader(new FileReader("example.xml"));

            while (eventReader.hasNext()) {
                XMLEvent event = eventReader.nextEvent();

                if (event.isStartElement()) {
                    StartElement startElement = event.asStartElement();
                    String elementName = startElement.getName().getLocalPart();
                    String namespaceURI = startElement.getName().getNamespaceURI();
                    String attributes = "";

                    // 获取元素的属性
                    Iterator<Attribute> attributeIterator = startElement.getAttributes();
                    while (attributeIterator.hasNext()) {
                        Attribute attribute = attributeIterator.next();
                        String attributeName = attribute.getName().getLocalPart();
                        String attributeValue = attribute.getValue();
                        attributes += attributeName + "=" + attributeValue + " ";
                    }

                    String elementString = "Element: " + elementName + "\n"
                            + "Namespace URI: " + namespaceURI + "\n"
                            + "Attributes: " + attributes + "\n";

                    System.out.println(elementString);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}