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String key = HttpContext.Current.Server.UrlEncode("userid");
String valueString = HttpContext.Current.Server.UrlEncode("11");
HttpCookie cookie = new HttpCookie(key, valueString);
cookie.Expires = System.DateTime.Now.AddMinutes(8);
url:"test.aspx?userid=135"
String uid = Request["userid"]==null?"":Request["userid"].ToString();
if(uid=="")
Response.Write("a");
else
Response.Write("b");
HttpContext.Current.Request.Cookies.Get("userid").Value
加一句:
Response.AppendCookie(cookie);
或者
Response.Cookies.Add(cookie);