import javax.xml.soap.SOAPMessage; //导入方法依赖的package包/类

private byte[] createProbeXML() throws SOAPException, IOException {

MessageFactory messageFactory = MessageFactory.newInstance(SOAPConstants.SOAP_1_2_PROTOCOL);

SOAPMessage message = messageFactory.createMessage();

SOAPPart part = message.getSOAPPart();

SOAPEnvelope envelope = part.getEnvelope();

envelope.addNamespaceDeclaration("wsa", "http://schemas.xmlsoap.org/ws/2004/08/addressing");

envelope.addNamespaceDeclaration("tns", "http://schemas.xmlsoap.org/ws/2005/04/discovery");

envelope.addNamespaceDeclaration("nns", "http://www.onvif.org/ver10/network/wsdl");

QName action = envelope.createQName("Action", "wsa");

QName mid = envelope.createQName("MessageID", "wsa");

QName to = envelope.createQName("To", "wsa");

QName probe = envelope.createQName("Probe", "tns");

QName types = envelope.createQName("Types", "tns");

QName tramsmitter=envelope.createQName("NetworkVideoTransmitter", "nns");

SOAPHeader header = envelope.getHeader();

SOAPElement actionEl = header.addChildElement(action);

actionEl.setTextContent("http://schemas.xmlsoap.org/ws/2005/04/discovery/Probe");

SOAPElement messIsEl = header.addChildElement(mid);

messIsEl.setTextContent("urn:uuid:" + UUID.randomUUID().toString());

SOAPElement toEl = header.addChildElement(to);

toEl.setTextContent("urn:schemas-xmlsoap-org:ws:2005:04:discovery");

SOAPBody body = envelope.getBody();

SOAPElement probeEl = body.addChildElement(probe);

SOAPElement typesEl=probeEl.addChildElement(types);

typesEl.setTextContent("nns:NetworkVideoTransmitter");

ByteArrayOutputStream out = new ByteArrayOutputStream();

message.writeTo(out);

return out.toByteArray();

}