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  • .NET 添加/删除Cookie

    public class CookieHelper
        {
            /// <summary>
            /// 清除指定Cookie
            /// </summary>
            /// <param name="cookiename">cookiename</param>
            public static void ClearCookie(string cookiename)
            {
                HttpCookie cookie = HttpContext.Current.Request.Cookies[cookiename];
                if (cookie != null)
                {
                    cookie.Expires = DateTime.Now.AddYears(-3);
                    HttpContext.Current.Response.Cookies.Add(cookie);
                }
            }
            /// <summary>
            /// 获取指定Cookie值
            /// </summary>
            /// <param name="cookiename">cookiename</param>
            /// <returns></returns>
            public static string GetCookieValue(string cookiename)
            {
                HttpCookie cookie = HttpContext.Current.Request.Cookies[cookiename];
                string str = string.Empty;
                if (cookie != null)
                {
                    str = cookie.Value;
                }
                return str;
            }
            /// <summary>
            /// 添加一个Cookie(24小时过期)
            /// </summary>
            /// <param name="cookiename"></param>
            /// <param name="cookievalue"></param>
            public static void SetCookie(string cookiename, string cookievalue)
            {
                SetCookie(cookiename, cookievalue, DateTime.Now.AddDays(1.0));
            }
            /// <summary>
            /// 添加一个Cookie
            /// </summary>
            /// <param name="cookiename">cookie名</param>
            /// <param name="cookievalue">cookie值</param>
            /// <param name="expires">过期时间 DateTime</param>
            public static void SetCookie(string cookiename, string cookievalue, DateTime expires)
            {
                HttpCookie cookie = new HttpCookie(cookiename)
                {
                    Value = cookievalue,
                    Expires = expires
                };
                HttpContext.Current.Response.Cookies.Add(cookie);
            }
        }
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  • 原文地址:https://www.cnblogs.com/toloe/p/4630324.html
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