C# 操作redis

 

service 类：

public class RedisCacheService : IRedisCacheService
    {

        private readonly Lazy<ConnectionMultiplexer> lazyConnection;
        private const string CacheUriKey = "Setting:RedisConnectionKeyVaultUri";

        private ConnectionMultiplexer Connection
        {
            get
            {
                return lazyConnection.Value;
            }
        }


        public RedisCacheService(IConfiguration config, IKeyVaultService keyVaultService)
        {
            string keyUri = config.GetValue<string>(CacheUriKey);
            string connectionString = keyVaultService.GetSecret(keyUri);

            lazyConnection = new Lazy<ConnectionMultiplexer>(() =>
            {
                return ConnectionMultiplexer.Connect(connectionString);
            });
        }

        public void AddItem<T>(string key, T cacheObject)
        {
            IDatabase cache = Connection.GetDatabase();
            cache.StringSet(key, JsonConvert.SerializeObject(cacheObject));
        }

        public void AddItems<T>(List<KeyValuePair<string, T>> items)
        {
            var keysAndValues = new List<KeyValuePair<RedisKey, RedisValue>>();
            foreach(var item in items)
            {
                keysAndValues.Add(new KeyValuePair<RedisKey, RedisValue>(item.Key, JsonConvert.SerializeObject(item.Value)));
            }

            IDatabase cache = Connection.GetDatabase();
            cache.StringSet(keysAndValues.ToArray());
        }

        public T GetItem<T>(string key)
        {
            IDatabase cache = Connection.GetDatabase();
            return JsonConvert.DeserializeObject<T>(cache.StringGet(key));
        }
        public List<T> GetItems<T>(List<string> keys)
        {
            List<T> items = new List<T>();
            RedisKey[] redisKeys = new RedisKey[keys.Count];
            for(int i = 0; i < keys.Count; i++)
            {
                redisKeys[i] = keys[i];
            }

            IDatabase cache = Connection.GetDatabase();
            RedisValue[] values = cache.StringGet(redisKeys);
            foreach (var item in values)
            {
                items.Add(JsonConvert.DeserializeObject<T>(item));
            }

            return items;
        }

        public void RemoveItem(string key)
        {
            IDatabase cache = Connection.GetDatabase();
            cache.KeyDelete(key);
        }

        public void RemoveItems(List<string> keys)
        {
            RedisKey[] redisKeys = new RedisKey[keys.Count];
            for (int i = 0; i < keys.Count; i++)
            {
                redisKeys[i] = keys[i];
            }
            IDatabase cache = Connection.GetDatabase();
            cache.KeyDelete(redisKeys);
        }

    }