ASP.NET Web Services 系列(5) - SOAP 消息格式

<soap:Envelope
  xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Header>
    <!-- Information needed by communication protocol or needed
         to implement higher-level application protocols goes
         here -->
  </soap:Header>
  <soap:Body>
    <!-- Data goes here -->
  </soap:Body>
</soap:Envelope>