asp.net-web-api – 什么时候使用HttpMessageHandler vs ActionFilter？

看来这两个有相似的目的。这将是巨大的，看到一些例子，当使用一个，另一个，利弊，以及指出什么是关键的差异。

解决方法

The major difference between their two is their focus. Message
Handlers are applied to all HTTP requests. They perform the function
of an HTTP intermediary. Filters apply only to requests that are
dispatched to the particular controller/action where the filter is
applied.

You should use MessageHandlers when you want the behaviour to be applied to the vast majority of requests. Filters should be used when they are only applicable to certain resources.

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