Redis相关

来源：互联网发布：android 电子书源码编辑：程序博客网时间：2024/05/19 12:27

        private static string redisHost = ConfigurationManager.AppSettings["RedisServerHost"];
        private static string pwd = ConfigurationManager.AppSettings["RedisServerPassword"];
        private static readonly object syncObject = new object();
        private static ConnectionMultiplexer _redis;
        public static ConnectionMultiplexer RedisManager
        {
            get
            {
                if (_redis == null)
                {
                    lock (syncObject)
                    {
                        if (_redis == null)
                        {
                            if (string.IsNullOrWhiteSpace(pwd))
                                _redis = ConnectionMultiplexer.Connect(redisHost + ",syncTimeout=5000");
                            else
                                _redis = ConnectionMultiplexer.Connect(redisHost + ",password=" + pwd + ",syncTimeout=5000");
                        }
                        else
                        {
                            return _redis;
                        }
                    }
                }
                return _redis;
            }

}

        ///设置单体,有过期时间的
        public static bool String_Set<T>(string key, T t, DateTime? expiry = default(DateTime?))
        {
            if (string.IsNullOrWhiteSpace(key))
                return false;
            var json = JsonConvert.SerializeObject(t);
            IDatabase dataBase = RedisManager.GetDatabase();
            bool flag = dataBase.StringSet(key, json);
            if (expiry != default(DateTime?))
                dataBase.KeyExpire(key, expiry);
            return flag;
        }

        // 获取单体
        public static T String_Get<T>(string key) where T : class
        {
            IDatabase dataBase = RedisManager.GetDatabase();
            if (!dataBase.KeyExists(key))
                return null;
            var res = dataBase.StringGet(key);
            if (!res.HasValue)
                return null;
            T model = JsonConvert.DeserializeObject<T>(res);
            return model;
        }

        //移除单体
        public static bool String_Remove(string key)
        {
            bool flag = false;
            IDatabase dataBase = RedisManager.GetDatabase();
            if (dataBase.KeyExists(key))
                flag = dataBase.KeyDelete(key);
            return flag;
        }

        // list 集合，添加单个对象
        public static void List_Add<T>(string key, T model, DateTime? expiry = default(DateTime?))
        {
            if (model != null)
            {
                IDatabase dataBase = RedisManager.GetDatabase();
                RedisValue rv = JsonConvert.SerializeObject(model);
                dataBase.ListRightPush(key, rv);
                if (expiry != default(DateTime?))
                    dataBase.KeyExpire(key, expiry);
            }
        }
        /// 根据Key获取list集合
        public static List<T> List_GetList<T>(string key)
        {
            IDatabase dataBase = RedisManager.GetDatabase();
            if (dataBase.KeyExists(key))
            {
                List<T> list = new List<T>();
                RedisValue[] rv = dataBase.ListRange(key);
                rv.ToList().ForEach(t =>
                {
                    list.Add(JsonConvert.DeserializeObject<T>(t));
                });
                return list;
            }
            else
                return null;
        }

        // 存储数据到hash表
        public static bool Hash_Set<T>(string key, string dataKey, T model, DateTime? expiry = default(DateTime?))
        {
            if (string.IsNullOrWhiteSpace(key) || string.IsNullOrWhiteSpace(dataKey))
                return false;
            string json = JsonConvert.SerializeObject(model);
            HashEntry[] upValues = new HashEntry[] { new HashEntry(dataKey, json) };
            IDatabase dataBase = RedisManager.GetDatabase();
            dataBase.HashSet(key, upValues);
            if (expiry != default(DateTime?))
                dataBase.KeyExpire(key, expiry);
            return true;
        }

        // 移除hash中的某值
        public static bool Hash_Remove(string key, string dataKey)
        {
            IDatabase dataBase = RedisManager.GetDatabase();
            if (dataBase.HashExists(key, dataKey))
            {
                bool flag = dataBase.HashDelete(key, dataKey);
                return flag;
            }
            else
                return true;
        }

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