HttpTransportSE tSe = new HttpTransportSE(SERVER_URL, TIME_OUT);

            tSe.debug = false;     //是否启动debug模式

            SoapObject soapObject = new SoapObject(NAME_SPACE, method);

            //设置参数

            JSONObject params = new JSONObject(param);

            //设置参数， 参数名为 mJsonString的字符串

            soapObject.addProperty("mJsonString", params.toString());

            SoapSerializationEnvelope soapserial = new SoapSerializationEnvelope(SoapEnvelope.VER11);

            soapserial.bodyOut = soapObject;

            // 设置与.NET提供的Web service保持有良好的兼容性

            soapserial.dotNet = true;

            // 调用HttpTransportSE对象的call方法来调用 webserice

            tSe.call(NAME_SPACE + method, soapserial);

            SoapObject result = (SoapObject) soapserial.bodyIn;

            int count = result.getPropertyCount();

            return result.getProperty(count-1).toString();