返回特定HTTP状态code在行动GET请求 [英] Return specific HTTP status code in action for GET request

问题描述

我使用的ASP.NET Web API创建REST服务。
我怎样才能返回401状态code从行动GET方法...

I'm creating REST service using ASP.NET Web API. How can I return 401 status code from action for GET method...

我没有问题，例如从返回一些状态code POST方法，因为我可以返回类型设置为Htt的presponseMessage

I don't have problem with returning some status code from e.g. POST method, cause I can set the return type to HttpResponseMessage

   public HttpResponseMessage Post(Car car)
    {
        using (var context = new CarEntities())
        {
            ...
            var response = new HttpResponseMessage(HttpStatusCode.Created);
            response.Headers.Location = new Uri(Request.RequestUri, path);
            return response;
        }
    }

但是，我怎么能返回状态code为GET方法，当方法比Htt的presponseMessage返回不同​​的类型：

However, how can I return the status code for GET method, when the method returns different type than HttpResponseMessage:

public Car Get(int id)
{

    var context = new CarEntities();
    return context.Cars.Where(p => p.id == id).FirstOrDefault();
}

我想例如返回401当在此Get方法授权失败

I would like to return e.g. 401 when authorization in this Get method failed

感谢

推荐答案

您应该抛出一个<一个href=\"http://msdn.microsoft.com/en-us/library/system.web.http.htt$p$psponseexception%28v=vs.108%29.aspx\"><$c$c>Htt$p$psponseException,它允许你指定响应code，例如：

You should throw a HttpResponseException, which allows you to specify the response code, for example:

if (authFailed) {
    throw new HttpResponseException(HttpStatusCode.Unauthorized);
}

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