Q132284591 发表于 2018-11-2 10:56:28

初识Redis(安装,持久化,数据类型)

127.0.0.1:6379> sadd set1 a  (integer) 1
  127.0.0.1:6379> SADD set1 b
  (integer) 1
  127.0.0.1:6379> sadd set1 c
  (integer) 1
  127.0.0.1:6379> SMEMBERS SET1
  (empty list or set)
  127.0.0.1:6379> SMEMBERS set1
  1) "c"
  2) "a"
  3) "b"
  127.0.0.1:6379> sadd set2 a
  (integer) 1
  127.0.0.1:6379> sadd set2 2
  (integer) 1
  127.0.0.1:6379> sadd set2 3
  (integer) 1
  127.0.0.1:6379> sadd set2 c
  (integer) 1
  127.0.0.1:6379> SMEMBERS set2
  1) "c"
  2) "a"
  3) "3"
  4) "2"
  127.0.0.1:6379> SUNION set1 set2 //求并集
  1) "a"
  2) "c"
  3) "3"
  4) "b"
  5) "2"
  127.0.0.1:6379> sinter set1 set2 //求交集
  1) "c"
  2) "a"
  127.0.0.1:6379> SDIFF set1 set2 //求差集
  1) "b"
  127.0.0.1:6379> SREM set1 c //删除某元素
  (integer) 1

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