zcard


zcard 返回有序集合中的元素个数

127.0.0.1:6379> zcard zmyset
(integer) 6
127.0.0.1:6379> zrange zmyset 0 -1
1) "youyi2"
2) "youyi"
3) "youyi5"
4) "youyi6"
5) "add"
6) "youyi3"

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