Restlet 根据 Content-Type 标头获取请求的媒体类型.要值，可以用这个:

Restlet get the media type of the request based on the Content-Type header. To the value, you can use this:

MediaType mediaType = getRequest().getEntity().getMediaType();

ClientInfo 的媒体类型提示对应于 Accept 标头中提供的内容:

The media type hints of the ClientInfo corresponds to what is provided within the Accept header:

getRequest().getClientInfo().getAcceptedMediaTypes();

要获取 Restlet API 中标头的映射，您可以查看此链接:

To get the mapping of headers in the Restlet API, you could have a look at this link:

• 映射 HTTP 标头 - https://restlet.com/technical-resources/restlet-framework/guide/2.2/core/http-headers-mapping