Redis数据类型及其操作—Sorted sets

zset commands in redis

命令	语法	描述	示例	备注
ZADD	ZADD key-name score member [score member...]	添加带权值的成员到zset	ZADD zset-key 1 member1 2 member2
ZREM	ZREM key-name member [member...]	从zset中删除member，返回删除的个数	ZREM zset-key member1
ZCARD	ZCARD key-name	返回zset的成员个数	ZCARD zset-key
ZINCRBY	ZINCRBY key-name incrememt member	zset中member的权值增加increment	ZINCRBY zset-key 2 member2
ZCOUNT	ZCOUNT key-name min max	统计权值在[min,max]的元素个数	ZCOUNT zset-key 0 5
ZRANK	ZRANK key-name member	返回member的下标	ZRANK zset-key member2
ZSCORE	ZSCORE key-name member	返回member的权值	ZSCORE zset-key member2
ZRANGE	ZRANGE key-name start end [WITHSCORES]	返回[start,end]的元素，权值可选	ZRANGE zset-key 0 -1 WITHSCORES
ZREVRANK	ZREVRANK key-name member	返回member在逆序时的下标	ZREVRANK zset-key member2
ZREVRANGE	ZREVRANGE key-name start end [WITHSCORES]	返回逆序时[start,end]的元素，权值可选	ZREVRANGE zset-key 0 -1 WITHSCORES
ZRANGEBYSCORE	ZRANGEBYSCORE key-name min max [WITHSCORE] [LIMIT offset count]	返回权值在[min,max]间的元素	ZRANGEBYSCORE zset-key 0 5
ZREVRANGEBYSCORE	ZRANGEBYSCORE key-name max min [WITHSCORE] [LIMIT offset count]	返回权值在[max,min]间的元素	ZRANGEBYSCORE zset-key 5 0 WITHSCORES
ZREMRANGEBYRANK	ZREMRANGEBYRANK key-name start stop	删除排在[start,stop]间的元素	ZREMRANGEBYRANK zset-key 0 -1
ZREMRANGEBYSCORE	ZREMRANGEBYSCORE key-name min max	删除权值在[min,max]间的元素	ZREMRANGEBYSCORE zset-key 0 5
ZINTERSTORE	ZINTERSTORE dest-key keycount key [key...] [WEIGHTS weight [weight...]] [AGGREGATE SUM | MIN | MAX]	交集	ZINTERSTORE zset-i 2 zset-key zset-key2	可与Set取交集,Set中的Score为1
ZUNIONSTORE	ZUNIONSTORE dest-key keycount key [key...] [WEIGHTS weight [weight...]] [AGGREGATE SUM | MIN | MAX]	并集	ZUNIONSTORE zset-u 2 zset-key zset-key2	可与Set取并集,Set中的Score为1