/// <summary>

        /// 向Redis写入

        /// </summary>

        /// <param name="key">键值</param>

        /// <param name="value">值</param>

        /// <param name="date">过期日期</param>

        public static void SetString(string key,string value,DateTime? date = null)

        {

            //ConnectionMultiplexer.Connect("Localhost:6379,password=123456"))

            using (var redis = ConnectionMultiplexer.Connect("Localhost"))

            {

                //写入

                var db = redis.GetDatabase();

                db.StringSet("key", "");

                //设置过期日期

                if (date != null)

                {

                    DateTime time = DateTime.Now.AddSeconds();

                    db.KeyExpire("key", time);

                }

                var result = db.StringGet("key");

            }

        }

　　　　 /// <summary>

        /// 读取redis的内容

        /// </summary>

        /// <param name="key"></param>

        /// <returns></returns>

        public static string GetString(string key)

        {

            using (var redis = ConnectionMultiplexer.Connect("Localhost"))

            {

                //读取

                var db = redis.GetDatabase();

                var result = db.StringGet(key);

                return result;

            }

        }