127.0.0.1:6379> help @set

添加成员

SADD key member [member ...]

summary: Add one or more members to a set

since: 1.0.0

SCARD key

summary: Get the number of members in a set

since: 1.0.0

差集

SDIFF key [key ...]

summary: Subtract multiple sets

since: 1.0.0

SDIFFSTORE destination key [key ...]

summary: Subtract multiple sets and store the resulting set in a key

since: 1.0.0

交集

SINTER key [key ...]

summary: Intersect multiple sets

since: 1.0.0

SINTERSTORE destination key [key ...]

summary: Intersect multiple sets and store the resulting set in a key

since: 1.0.0

SISMEMBER key member

summary: Determine if a given value is a member of a set

since: 1.0.0

SMEMBERS key

summary: Get all the members in a set

since: 1.0.0

SMOVE source destination member

summary: Move a member from one set to another

since: 1.0.0

SPOP key

summary: Remove and return a random member from a set

since: 1.0.0

SRANDMEMBER key [count]

summary: Get one or multiple random members from a set

since: 1.0.0

SREM key member [member ...]

summary: Remove one or more members from a set

since: 1.0.0

SUNION key [key ...]

summary: Add multiple sets

since: 1.0.0

SUNIONSTORE destination key [key ...]

summary: Add multiple sets and store the resulting set in a key

since: 1.0.0