详解StackExchange.Redis通用封装类分享

key的管理

#region key

  /// <summary>
  /// 删除单个key
  /// </summary>
  /// <param name="key">redis key</param>
  /// <returns>是否删除成功</returns>
  public bool KeyDelete(string key)
  {
   key = AddSysCustomKey(key);
   return Do(db => db.KeyDelete(key));
  }

  /// <summary>
  /// 删除多个key
  /// </summary>
  /// <param name="keys">rediskey</param>
  /// <returns>成功删除的个数</returns>
  public long KeyDelete(List<string> keys)
  {
   List<string> newKeys = keys.Select(AddSysCustomKey).ToList();
   return Do(db => db.KeyDelete(ConvertRedisKeys(newKeys)));
  }

  /// <summary>
  /// 判断key是否存储
  /// </summary>
  /// <param name="key">redis key</param>
  /// <returns></returns>
  public bool KeyExists(string key)
  {
   key = AddSysCustomKey(key);
   return Do(db => db.KeyExists(key));
  }

  /// <summary>
  /// 重新命名key
  /// </summary>
  /// <param name="key">就的redis key</param>
  /// <param name="newKey">新的redis key</param>
  /// <returns></returns>
  public bool KeyRename(string key, string newKey)
  {
   key = AddSysCustomKey(key);
   return Do(db => db.KeyRename(key, newKey));
  }

  /// <summary>
  /// 设置Key的时间
  /// </summary>
  /// <param name="key">redis key</param>
  /// <param name="expiry"></param>
  /// <returns></returns>
  public bool KeyExpire(string key, TimeSpan? expiry = default(TimeSpan?))
  {
   key = AddSysCustomKey(key);
   return Do(db => db.KeyExpire(key, expiry));
  }

  #endregion key

#region 发布订阅

  /// <summary>
  /// Redis发布订阅 订阅
  /// </summary>
  /// <param name="subChannel"></param>
  /// <param name="handler"></param>
  public void Subscribe(string subChannel, Action<RedisChannel, RedisValue> handler = null)
  {
   ISubscriber sub = _conn.GetSubscriber();
   sub.Subscribe(subChannel, (channel, message) =>
   {
    if (handler == null)
    {
     Console.WriteLine(subChannel + " 订阅收到消息：" + message);
    }
    else
    {
     handler(channel, message);
    }
   });
  }

  /// <summary>
  /// Redis发布订阅 发布
  /// </summary>
  /// <typeparam name="T"></typeparam>
  /// <param name="channel"></param>
  /// <param name="msg"></param>
  /// <returns></returns>
  public long Publish<T>(string channel, T msg)
  {
   ISubscriber sub = _conn.GetSubscriber();
   return sub.Publish(channel, ConvertJson(msg));
  }

  /// <summary>
  /// Redis发布订阅 取消订阅
  /// </summary>
  /// <param name="channel"></param>
  public void Unsubscribe(string channel)
  {
   ISubscriber sub = _conn.GetSubscriber();
   sub.Unsubscribe(channel);
  }

  /// <summary>
  /// Redis发布订阅 取消全部订阅
  /// </summary>
  public void UnsubscribeAll()
  {
   ISubscriber sub = _conn.GetSubscriber();
   sub.UnsubscribeAll();
  }

  #endregion 发布订阅

								 
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