Java调用doNet webService方法

POST /JLWWS/sendCommand.asmx HTTP/1.1
Host: 192.168.4.17
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "http://tempuri.org/getDeviceValue"

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <getDeviceValue xmlns="http://tempuri.org/">
      <n>int</n>
      <s>string</s>
    </getDeviceValue>
  </soap:Body>
</soap:Envelope>
HTTP/1.1 200 OK
Content-Type: text/xml; charset=utf-8
Content-Length: length

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <getDeviceValueResponse xmlns="http://tempuri.org/">
      <getDeviceValueResult>string</getDeviceValueResult>
    </getDeviceValueResponse>
  </soap:Body>
</soap:Envelope>

public String cc(){
          String result = "";
          try{
           Service service = new Service();
           Call call = (Call) service.createCall();
           call.setOperationName(new QName("http://tempuri.org/", "getDeviceValue"));
           call.addParameter(new QName("http://tempuri.org/", "n"), org.apache.axis.encoding.XMLType.XSD_INT, javax.xml.rpc.ParameterMode.IN);
           call.addParameter(new QName("http://tempuri.org/", "s"), org.apache.axis.encoding.XMLType.XSD_STRING, javax.xml.rpc.ParameterMode.IN);
           call.setTargetEndpointAddress(new URL("http://192.168.4.17/JLWWS/sendCommand.asmx")); 
           call.setUseSOAPAction(true);
           call.setSOAPActionURI("http://tempuri.org/getDeviceValue");
           
           //SOAPService soap = new SOAPService();
           //soap.setName("sendCommand1");
           //call.setSOAPService(soap);
           result  = (String) call.invoke(new Object[] { "1", "aaaaaaaaa"});   
           System.out.println(result);
          }catch(Exception e){
           e.printStackTrace();
          }
          
          return result;
    }