Java将NodeList转换为字符串以检查xml注释

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.StringWriter;

public String convertNodeListToString(NodeList nodeList) {
    try {
        // 创建一个字符串写入器
        StringWriter writer = new StringWriter();
        
        // 创建一个转换器工厂
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        
        // 创建一个转换器
        Transformer transformer = transformerFactory.newTransformer();
        
        // 遍历NodeList中的每个节点
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node node = nodeList.item(i);
            
            // 将节点转换为DOM源
            DOMSource source = new DOMSource(node);
            
            // 将DOM源转换为字符串输出流
            StreamResult result = new StreamResult(writer);
            
            // 进行转换
            transformer.transform(source, result);
        }
        
        // 返回转换后的字符串
        return writer.toString();
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

NodeList nodeList = ...; // 获取要转换的NodeList对象
String result = convertNodeListToString(nodeList);
System.out.println(result);