Redis implements the browsing history module

  Only keep n Historical data

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 redisTemplate.opsForList().remove("History:" + userid, 1, albumid);  // First delete this element from the list 

        if (redisTemplate.opsForList().size("History:" + userid) <= 3) {
            redisTemplate.opsForList().leftPush("History:" + userid, albumid);
        } else {
            // Only the latest historical data is retained 3 strip , exceed 3 strip , Then bounce out 
            redisTemplate.opsForList().rightPopAndLeftPush("History:" + userid, albumid);
        }

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If you keep the latest 30 Days of , Suggest using zset Set implementation

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FR： Xu Haitao (hunk xu)
QQ Technology exchange group ：386476712