C# HttpResponseMessage 内容为 JSON
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Content of HttpResponseMessage as JSON
提问by gosua
I have an ASP.NET MVC WEB API. For several reasons (redirect because of no authorizations ..), I can't just use a simple object and return it in my controller method. Therefore I need the HttpResponseMessage class which allows me to redirect.
我有一个 ASP.NET MVC WEB API。出于多种原因（由于没有授权而重定向..），我不能只使用一个简单的对象并在我的控制器方法中返回它。因此，我需要允许我重定向的 HttpResponseMessage 类。
Currently I'm doing this:
目前我正在这样做：
var response = new Response { responseCode = Response.ResponseCodes.ItemNotFound };
var formatter = new JsonMediaTypeFormatter();
response.Content = new ObjectContent<Response>(response, formatter, "application/json");
.. to get the object, serialized as JSON, into the content of HttpResponseMessage. Somehow, I have the feeling that there is another, better, way to do this. Any ideas on that?
.. 将序列化为 JSON 的对象放入 HttpResponseMessage 的内容中。不知何故，我觉得还有另一种更好的方法可以做到这一点。对此有何想法？
采纳答案by Matt Randle
You can do:
你可以做：
var response = new Response { responseCode = Response.ResponseCodes.ItemNotFound };
Request.CreateResponse<Response>(HttpStatusCode.OK, response);
By default, Web API will set the format of the response based on the Content-Type specified in the HTTP request header but there are some overloads on the CreateResponse method where you can specify the type formatter.
默认情况下，Web API 将根据 HTTP 请求标头中指定的 Content-Type 设置响应的格式，但 CreateResponse 方法有一些重载，您可以在其中指定类型格式化程序。
You can also remove the Web API XML serializer to force all responses to be JSON if that's what you want - off the top of my head I think it's a Formatters.Remove method on HttpConfiguration.
您还可以删除 Web API XML 序列化程序以强制所有响应为 JSON，如果这是您想要的 - 在我的脑海中，我认为这是 HttpConfiguration 上的 Formatters.Remove 方法。
