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我已经按照该插件的教程进行操作,它可以工作,但是我只是尝试返回一个字符串(foobar)而不是乘法运算的结果:

/**
   * An action multiplying two numbers.
   *
   * @WSMethod(webservice='MathApi')
   *
   * @param double $a Factor A
   * @param double $b Factor B
   *
   * @return string The result  //this is the first change
   */
  public function executeMultiply($request)
  {
    $factorA = $request->getParameter('a');
    $factorB = $request->getParameter('b');

    if(is_numeric($factorA) && is_numeric($factorB))
    {
      $this->result = 'foobar';  //this is the second and last change

      return sfView::SUCCESS;
    }
    else
    {
      return sfView::ERROR;
    }
  }

当我运行网络服务时,我得到了这个:

<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://sf1prueba.local/">
   <SOAP-ENV:Body>
      <ns1:factura_multiplyResponse>
         <result>0</result>
      </ns1:factura_multiplyResponse>
   </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

如您所见,它以结果“0”的形式返回,而我期望的是“foobar”。

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