.NET 添加/更新Cookie

 public static void AddUserCookies(string key,string value, string cookiename, string domain)( I8 W3 {4 V% K2 X! Y( m
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HttpCookie cookie = System.Web.HttpContext.Current.Request.Cookies[cookiename];+ E( }4 A8 o; n
if (cookie == null)
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cookie = new HttpCookie(cookiename);
cookie.Domain = domain;
cookie.Path = _cookiepath;

 cookie.Values.Add(key, value);) K' F0 Q' B# R. V' d
HttpContext.Current.Response.AppendCookie(cookie);2 @! N; U% q* }9 e% H2 i
}
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{
if (System.Web.HttpContext.Current.Request.Cookies[cookiename].Values[key] != null)3 w5 b$ `1 R5 U. |7 @4 J T! M) O
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cookie.Values.Set(key, value);
 }
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cookie.Domain = domain;
cookie.Path = _cookiepath;3 j& N8 W: Q& }
cookie.Values.Add(key, value);; q2 q) E. K$ [4 j
HttpContext.Current.Response.AppendCookie(cookie);+ S, o8 |( `6 q2 v" W: E9 w7 A
}
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}