创建:(集合的特点是:有序,无重复)

sadd set 1 2 3 4 5 6

查看:

smembers set

删除元素:

srem set 3
# 还剩 1 2 4 5 6

移动:

sadd set2 3 4 5 6 7 8
smove set set2 1
# set (2 4 5 6)
# set2 (1 3 4 5 6 7 8)

是否存在于集合:

sismember set 5
# 返回1 于 0

交集:

sinter set set2
# 4 5 6

并集:

sunion set set2
# 1 2 3 4 5 6 7 8

差集:

sdiff set2 set
# 1 2 3 7 8
05-11 22:51