在ASP.Net Core中获取HTTP状态代码描述
在以前的ASP.Net版本中，我们可以通过以下几种方式检索HTTP状态代码的描述：
In previous versions of ASP.Net, we could retrieve the description of a HTTP status code in a few ways as shown here:
是在ASP.Net Core中是否有类似于 HttpWorkerRequest.GetStatusDescription 的东西？
Is there something similar to HttpWorkerRequest.GetStatusDescription in ASP.Net Core?
您可以使用 Microsoft.AspNetCore.WebUtilities.ReasonPhrases.GetReasonPhrase（int statusCode） （可从（如果尚未在项目中由 Microsoft这样的包临时引用）。 AspNetCore.App ）：
You can use Microsoft.AspNetCore.WebUtilities.ReasonPhrases.GetReasonPhrase(int statusCode) (which can be got from the Microsoft.AspNetCore.WebUtilities package in NuGet if not already referenced in your project transiently by a package like Microsoft.AspNetCore.App):
using Microsoft.AspNetCore.WebUtilities;
int statusCode = 404;
string reasonPhrase = ReasonPhrases.GetReasonPhrase(statusCode);