Cookie在asp.net mvc中过期

概述我正在编写/更新cookie,但是每次我这样做并且我查看chrome dev工具时,它告诉我cookie在30分钟前到期,而不是30分钟后到期. HttpCookie cookie;if (Request.Cookies.AllKeys.Contains(name)){ cookie = Request.Cookies[name];}else{ cookie = new Htt 我正在编写/更新cookie,但是每次我这样做并且我查看Chrome dev工具时,它告诉我cookie在30分钟前到期,而不是30分钟后到期.

httpcookie cookie;if (Request.cookies.AllKeys.Contains(name)){  cookie = Request.cookies[name];}else{  cookie = new httpcookie(name);}cookie.Value = value;cookie.Expires = DateTime.Now.AddMinutes(30);Response.cookies.setcookie(cookie);

有谁知道为什么会这样？

解决方法 尝试：

var response = httpContext.Current.Response;if (Request.cookies.AllKeys.Contains(name)){  response.cookies.Remove(name);}httpcookie cookie = new httpcookie(name);cookie.Value = value;cookie.Expires = DateTime.Now.AddMinutes(30);response.cookies.Add(cookie);

要么

if (Request.cookies.AllKeys.Contains(name) && Request.cookies[name]!=null){  var cookie = Request.cookies[name];  cookie.Value = value;  cookie.Expires = DateTime.Now.AddMinutes(30);  Response.cookies.Set(cookie);//To update a cookie,you need only to set the cookie again using the new values and also you must include all of the data you want to retain.}else{  var cookie = new httpcookie(name);  cookie.Value = value;  cookie.Expires = DateTime.Now.AddMinutes(30);  Response.cookies.Add(cookie);}

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