HttpRequest在.Net Core 中的包名字叫Microsoft.AspNetCore.Http.Abstractions
原來Request.Form 是放在NameValueCollection中接受的,獲取的是AllKeys,現在2.0用IFormCollection 接受,放在Keys里,比如:IFormCollection form = request.Form;var keys = form.Keys;
原來的Request.InputStream改用現在的是Request.Body中
原來的Request.UserHostAddress 改用現在的Request.HttpContext.Connection.RemoteIpAddress 比如:var ip = request.HttpContext.Connection.RemoteIpAddress.ToString();