WCF 中 IsWrapped 属性的用途是什么 [英] What is the purpose of the IsWrapped property in WCF

问题描述

WCF 中IsWrapped"属性的用途是什么.我应该在什么情况下使用这个属性，为什么?

What is the purpose of the "IsWrapped" property in WCF. In which situation should I use this property and why?

推荐答案

解包邮件 (MSDN):

默认情况下，消息正文的格式设置为包装服务操作的参数.

By default, the message body is formatted such that the parameters to a service operation are wrapped.

和

MessageContractAttribute.IsWrapped 属性 (MSDN):

将 IsWrapped 的值设置为 false 以抑制消息正文序列化到的包装元素.

Set the value of IsWrapped to false to suppress the wrapper element into which the message body is serialized.

所以，考虑一下这个(修剪过的)消息:

So, consider this (trimmed) message:

<s:Envelope>
  <s:Body>
    <Add>
      <n1>100</n1>
      <n2>15.99</n2>
    </Add>
  </s:Body>
</s:Envelope>

当您将 IsWrapped 设置为 false 时，消息正文将不会包含在具有操作名称的元素中(在此为 Add案例):

When you set IsWrapped to false, the message body won't be wrapped in an element with the action name (Add in this case):

<s:Envelope>
  <s:Body>
    <n1>100</n1>
    <n2>15.99</n2>
  </s:Body>
</s:Envelope>

此类属性旨在实现互操作性，例如在编写客户端以使用不希望包装消息的服务时.

Properties like these are meant for interoperability, for example when writing a client to consume a service which doesn't expect messages to be wrapped.

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