Redis命令速查

目录

• string
• list
• set
• zset
• hash

记录下常用的，方便查找

string

内部sds，动态扩容。小于1M加倍扩，大于1M每次扩容1M。最大长度512M。

SET name value
GET name
EXISTS name
DEL name

# 批量
MGET name1 name2 name3
MSET name1 value1 name2 value2 name3 value3

# 过期
EXPIRE name timeout
SETEX name timeout value # set+expire
SETNX name value # 不存在创建

# 计数，value是数字，不超过signed long
>SET age 30
OK
>INCR age
31
>INCRBY age 5
36
>INCRBY age -5
31

list

RPUSH key val1 val2 val3
LLEN key
LPOP key
RPOP key

# 下标操作
LINDEX
LRANGE
LTRIM

set

SADD key member1 [member2]
SMEMBERS key
SISMEMBER key member
SCARD key
SPOP key

zset

ZADD key score1 member1 [score2 member2]
ZRANGE key start stop [WITHSCORES]
ZREVRANGE key start stop [WITHSCORES]
ZCARD key
ZSCORE key member
ZRANK key member
ZRANGEBYSCORE key min max [WITHSCORES] [LIMIT]
ZREM key member [member ...]

hash

HSET key field val
HGET key field
HGETALL key
HLEN key
HMSET key field1 val1 [field2 value2]
HINCRBY key field increment
HKEYS key
HLEN key