ZonedDateTime中的XMLGregorianCalendar格式日期

import java.time.ZonedDateTime;
import java.time.Instant;
import java.util.Date;
import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.XMLGregorianCalendar;

public class ZonedDateTimeToXMLGregorianCalendar {

    public static void main(String[] args) {
        ZonedDateTime zonedDateTime = ZonedDateTime.now();
        XMLGregorianCalendar xmlGregorianCalendar = convertZonedDateTimeToXMLGregorianCalendar(zonedDateTime);

        System.out.println("ZonedDateTime: " + zonedDateTime);
        System.out.println("XMLGregorianCalendar: " + xmlGregorianCalendar);
    }

    public static XMLGregorianCalendar convertZonedDateTimeToXMLGregorianCalendar(ZonedDateTime zonedDateTime) {
        // Convert ZonedDateTime to Instant
        Instant instant = zonedDateTime.toInstant();

        // Convert Instant to java.util.Date
        Date date = Date.from(instant);

        // Create XMLGregorianCalendar from java.util.Date
        XMLGregorianCalendar xmlGregorianCalendar = null;
        try {
            xmlGregorianCalendar = DatatypeFactory.newInstance().newXMLGregorianCalendar(date.toInstant().toString());
        } catch (DatatypeConfigurationException e) {
            e.printStackTrace();
        }

        return xmlGregorianCalendar;
    }
}

DateTimeFormatter isoDateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'").withZone(ZoneOffset.UTC);
String isoDateTimeString = isoDateTimeFormatter.format(date.toInstant());
xmlGregorianCalendar = DatatypeFactory.newInstance().newXMLGregorianCalendar(isoDateTimeString);