?redis的5種數據類型

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1.字符串

C:\Program Files\Redis>redis-cli.exe 127.0.0.1:6379> set hello world OK 127.0.0.1:6379> get hello "world" 127.0.0.1:6379> del hello (integer) 1 127.0.0.1:6379> get hello (nil)

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2.列表

127.0.0.1:6379> rpush list-key item (integer) 1 127.0.0.1:6379> rpush list-key item2 (integer) 2 127.0.0.1:6379> rpush list-key item (integer) 3 127.0.0.1:6379> lrange list-key 0 -1 1) "item" 2) "item2" 3) "item" 127.0.0.1:6379> lrange list-key 0 1 1) "item" 2) "item2" 127.0.0.1:6379> rpush list-key item 1 (integer) 5 127.0.0.1:6379> lrange list-key 0 -1 1) "item" 2) "item2" 3) "item" 4) "item" 5) "1" 127.0.0.1:6379> lindex list-key 1 "item2" 127.0.0.1:6379> lindex list-key 4 "1" 127.0.0.1:6379> lpop list-key "item" 127.0.0.1:6379> lrange list-key 0 -1 1) "item2" 2) "item" 3) "item" 4) "1"

redis的集合和列表都可以存儲多個字符串,不同之處在于列表可以存儲重復的,而集合不可以

3.集合

127.0.0.1:6379> sadd set-key item (integer) 1 127.0.0.1:6379> sass set-key item2 (error) ERR unknown command 'sass' 127.0.0.1:6379> sadd set-key item3 (integer) 1 127.0.0.1:6379> sadd set-key item (integer) 0 127.0.0.1:6379> sadd set-key item2 (integer) 1 127.0.0.1:6379> smembers set-key 1) "item" 2) "item2" 3) "item3" 127.0.0.1:6379> sismember set-key item4 (integer) 0 127.0.0.1:6379> sismember set-key item (integer) 1 127.0.0.1:6379> srem set-key item (integer) 1 127.0.0.1:6379> srem set-key item (integer) 0 127.0.0.1:6379> smembers set-key 1) "item2" 2) "item3"

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4.Hash(散列)

127.0.0.1:6379> hset hash-key sub-key1 value1 (integer) 1 127.0.0.1:6379> hset hash-key sub-key2 value2 (integer) 1 127.0.0.1:6379> hset hash-key sub-key1 value1 (integer) 0 127.0.0.1:6379> hset hash-key sub-key1 value (integer) 0 127.0.0.1:6379> hgetall hash-key 1) "sub-key1" 2) "value" 3) "sub-key2" 4) "value2" 127.0.0.1:6379> hdel hash-key sub-key2 (integer) 1 127.0.0.1:6379> hdel hash-key sub-key2 (integer) 0 127.0.0.1:6379> hget hash-key sub-key1 "value" 127.0.0.1:6379> hgetall hash-key 1) "sub-key1" 2) "value"

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5.有序集合
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127.0.0.1:6379> zadd zset-key 728 member1 (integer) 1 127.0.0.1:6379> zadd zset-key 982 member0 (integer) 1 127.0.0.1:6379> zadd zset-key 982 member1 (integer) 0 127.0.0.1:6379> zadd zset-key 982 member0 (integer) 0 127.0.0.1:6379> zrange zset-key 0 -1 withscores 1) "member0" 2) "982" 3) "member1" 4) "982" 127.0.0.1:6379> zadd zset-key ff qwe (error) ERR value is not a valid float 127.0.0.1:6379> zrange zset-key 0 800 withscores 1) "member0" 2) "982" 3) "member1" 4) "982" 127.0.0.1:6379> zrangebyscore zset-key 0 800 withscores (empty list or set) 127.0.0.1:6379> zrem zset-key member1 (integer) 1 127.0.0.1:6379> zrem zset-key member1 (integer) 0 127.0.0.1:6379> zrange zset-key 0 -1 withscores 1) "member0" 2) "982"

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總結

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