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文件信息：Windows 7 简体中文旗舰版 x86 (32位 MSDN RTM正式版)

Code：

       /// <summary>
        /// 计算某年第一周的天数
        /// </summary>
        /// <param name="dt">某年中的一个时间</param>
        /// <returns></returns>
        public static int DaysInFirstweekInYear(DateTime dt)
        {
            DateTime FirstDate = Convert.ToDateTime(string.Format("{0}-1-1", dt.Year));
            int DayOfWeekInYear = DayOfWeek(FirstDate);
            int DaysInFirstWeek = 8 - DayOfWeekInYear;
            return DaysInFirstWeek;
        }
        /// <summary>
        /// 一年中的第几周
        /// </summary>
        /// <param name="dt"></param>
        /// <returns></returns>
        public static int WeekOfYear(DateTime dt)

//c# code

        public string testcookie(string id)
        {
            HttpCookie Cookie;
            Cookie = Request.Cookies["testcookie"];
            string GotoDomain = System.Configuration.ConfigurationManager.AppSettings["GotoDomain"].ToString();
            if (string.IsNullOrEmpty(id))//读取
            {
                string test1 = "";
                if (Cookie != null)
                {
                    test1 = Common.OperateText.Decrypt(Cookie["test1"].ToString());
                }
                return ("{"读取到的test1":"" + test1 + "","code":"200"}");
            }
            else//写入
            {
                Cookie = new HttpCookie("testcookie");
                string test1 = id + "-" + DateTime.Now + GotoDomain;
                Cookie["test1"] = Common.OperateText.Encrypt(test1);
                Cookie.Domain = GotoDomain;
                Cookie.Path = "/";
                Cookie.Secure = false;
                Cookie.Expires = DateTime.Now.AddHours(24);
                Response.Cookies.Add(Cookie);
                return ("{"写入的test1":"" + test1 + "","code":"200"}");
            }
        }