zset
zset命令详解
# ZADD key score member [score member ...] 将所有指定成员添加到键为key有序集合,score是权重
127.0.0.1:6379> ZADD sortset 5 for 4 you 3 love 2 hello 10 al
(integer) 5
# ZRANGE key start stop [WITHSCORES] 返回指定范围内的元素
127.0.0.1:6379> ZRANGE sortset 0 -1
1) "hello"
2) "love"
3) "you"
4) "for"
5) "al"
127.0.0.1:6379> ZRANGE sortset 0 -1 withscores
1) "hello"
2) "2"
3) "love"
4) "3"
5) "you"
6) "4"
7) "for"
8) "5"
9) "al"
10) "10"
# ZCARD key 返回元素个数
127.0.0.1:6379> ZCARD sortset
(integer) 5
# ZCOUNT key min max 指定score范围的元素个数。
127.0.0.1:6379> ZCOUNT sortset 1 5
(integer) 4
# ZSCORE key member 返回有序集key中,成员member的score值
127.0.0.1:6379> ZSCORE sortset love
"3"
# ZRANGEBYSCORE key min max [WITHSCORES] [LIMIT offset count] 返回有序集合中指定分数区间内的成员,分数由低到高排序。
127.0.0.1:6379> ZRANGEBYSCORE sortset -inf +inf
1) "hello"
2) "love"
3) "you"
4) "for"
5) "al"
# ZREVRANGEBYSCORE key max min [WITHSCORES] [LIMIT offset count] 返回有序集合中指定分数区间内的成员,分数由高到低排序。
127.0.0.1:6379> ZREVRANGEBYSCORE sortset +inf -inf
1) "al"
2) "for"
3) "you"
4) "love"
5) "hello"
# ZREM key member [member ...] 删除多个成员