php webservices问题

Question

  <?xml version="1.0" encoding="UTF-8" ?> 
- <!--  WSDL file generated by Zend Studio. 
  --> 
- <definitions name="wsp" targetNamespace="urn:wsp" xmlns:typens="urn:wsp" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns="http://schemas.xmlsoap.org/wsdl/">
- <message name="assist">
  <part name="phone" /> 
  <part name="code" /> 
  </message>
- <message name="assistResponse">
  <part name="assistReturn" /> 
  </message>
- <portType name="webservicesPortType">
- <operation name="assist">
  <documentation>信息助手接口</documentation> 
  <input message="typens:assist" /> 
  <output message="typens:assistResponse" /> 
  </operation>
  </portType>
- <binding name="webservicesBinding" type="typens:webservicesPortType">
  <soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http" /> 
- <operation name="assist">
  <soap:operation soapAction="urn:webservicesAction" /> 
- <input>
  <soap:body namespace="urn:wsp" use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" /> 
  </input>
- <output>
  <soap:body namespace="urn:wsp" use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" /> 
  </output>
  </operation>
  </binding>
- <service name="wspService">
- <port name="webservicesPort" binding="typens:webservicesBinding">
  <soap:address location="http://localhost/s-x/webservices.php" /> 
  </port>
  </service>
  </definitions>这个用php调用成功,但用java调用构造函数就没参数了,是怎么回事