数据类型

字符串

列表

集合

有序集合

哈希

bit

1. string

   修改操作	示例	解释
   set	SET name wangendao
   	SET name wangendao ex 30	30s 后删除
   	SET name wangendao px 30000	30000ms 后删除
   	SET name "lisi" NX	如果key 不存在，则执行赋值操作
   	SET name "wangwu" XX	如果key 存在，则执行赋值操作
   setnx	SETNX name "wangendao"	如果key 不存在，则执行赋值操作。功能等同 SET name "lisi" NX
   setex	SETEX name 30 wangendao	设置key 超时时间。功能等同 SET name wangendao ex 30
   psetex	PSETEX name wangendao px 30000	设置key 超时时间。功能等同SET name wangendao px 30000
   append	APPEND name 123	追加内容Append a value to a key
   mset	MSET {p}age 30 {p}name wangendao	设置多个k-v。如果是reids cluster 需要使用 {p} 其中p是所有key的公共部分用于hash
   msetnx	MSETNX {p}age 30 {p}name wangendao	设置多个k-v。如果key不存在
   setrange	SETRANGE name 2 wangendao	从指定位置开始，用新值覆盖
   incr	INCR age	整数自增Increment
   decr	decr age	整数自减Decrement
   incrby	incrby age 100	整数自增，指定步长
   decrby	decrby age 100	整数自减，指定步长
   incrbyfloat	decrbyfloat age 100.1
   del	del name

   取值操作	示例	解释
   get
   getset	getset name lisi	返回旧值，并设置新值。功能等同于 get name set name lisi
   mget	MGET {p}name {p}age	获取多个k-v。如果是reids cluster 需要使用 {p} 其中p是所有key的公共部分用于hash
   getrange	GETRANGE name 0 1	切片取值
   strlen	STRLEN name	取字符串长度
   substr	SUBSTR name 0 -1	截取字符串，应该被getrange 替代了

2. list

    BLPOP key [key ...] timeout
     summary: Remove and get the first element in a list, or block until one is available
     since: 2.0.0
   
     BRPOP key [key ...] timeout
     summary: Remove and get the last element in a list, or block until one is available
     since: 2.0.0
   
     BRPOPLPUSH source destination timeout
     summary: Pop a value from a list, push it to another list and return it; or block until one is available
     since: 2.2.0
   
     LINDEX key index
     summary: Get an element from a list by its index
     since: 1.0.0
   
     LINSERT key BEFORE|AFTER pivot value
     summary: Insert an element before or after another element in a list
     since: 2.2.0
   
     LLEN key
     summary: Get the length of a list
     since: 1.0.0
   
     LPOP key
     summary: Remove and get the first element in a list
     since: 1.0.0
   
     LPUSH key value [value ...]
     summary: Prepend one or multiple values to a list
     since: 1.0.0
   
     LPUSHX key value
     summary: Prepend a value to a list, only if the list exists
     since: 2.2.0
   
     LRANGE key start stop
     summary: Get a range of elements from a list
     since: 1.0.0
   
     LREM key count value
     summary: Remove elements from a list
     since: 1.0.0
   
     LSET key index value
     summary: Set the value of an element in a list by its index
     since: 1.0.0
   
     LTRIM key start stop
     summary: Trim a list to the specified range
     since: 1.0.0
   
     RPOP key
     summary: Remove and get the last element in a list
     since: 1.0.0
   
     RPOPLPUSH source destination
     summary: Remove the last element in a list, prepend it to another list and return it
     since: 1.2.0
   
     RPUSH key value [value ...]
     summary: Append one or multiple values to a list
     since: 1.0.0
   
     RPUSHX key value
     summary: Append a value to a list, only if the list exists
     since: 2.2.0
   
   

   修改操作	示例	解释
   lpush	LPUSH user user01 user02 user03	在列表user左侧加入值
   rpush	RPUSH user user01 user02 user03
   lpushx	LPUSHX user user05	列表需要提前存在
   rpushx	`RPUSHX user user05
   lpop	LPOP user	左侧取值并从列表删除
   rpop	RPOP user
   rpoplpush	RPOPLPUSH user user01	Remove the last element in a list, prepend it to another list and return it
   brpop	BRPOP user 5	阻塞等待列表数据
   blpop	BLPOP user 5

   取值操作	示例	解释
   lindex	LINDEX user 0
   llen	LLEN user	返回长度
   LRANGE	LRANGE user 0 -1	获取列表内容
   lpop	LPOP user	先进后出
   rpop	RPOP user	先进先出
   lrem	LREM user 2 user02	删除列表user中的2个 user02 元素
   	LREM user 0 user01	删除列表user中所有的 user01
   	LREM user -1 user04	删除列表user中 最右侧的user04
   lset	LSET user 0 wangendao	修改0号索引位置的值
   lindex	LINDEX user 0	获取user 列表0号索引的值

3. set

   127.0.0.1:6380> help @set
   
     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
   
     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
   
     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 [count]
     summary: Remove and return one or multiple random members 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
   
     SSCAN key cursor [MATCH pattern] [COUNT count]
     summary: Incrementally iterate Set elements
     since: 2.8.0
   
     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
   

   页面uv
   127.0.0.1:6379[1]> SADD pg:uv user01 user02 user03 
   (integer) 3
   127.0.0.1:6379[1]> SCARD pg:uv
   (integer) 3
   

4. zset

   127.0.0.1:6380> help @sorted_set
   
     ZADD key [NX|XX] [CH] [INCR] score member [score member ...]
     summary: Add one or more members to a sorted set, or update its score if it already exists
     since: 1.2.0
   
     ZCARD key
     summary: Get the number of members in a sorted set
     since: 1.2.0
   
     ZCOUNT key min max
     summary: Count the members in a sorted set with scores within the given values
     since: 2.0.0
   
     ZINCRBY key increment member
     summary: Increment the score of a member in a sorted set
     since: 1.2.0
   
     ZINTERSTORE destination numkeys key [key ...] [WEIGHTS weight] [AGGREGATE SUM|MIN|MAX]
     summary: Intersect multiple sorted sets and store the resulting sorted set in a new key
     since: 2.0.0
   
     ZLEXCOUNT key min max
     summary: Count the number of members in a sorted set between a given lexicographical range
     since: 2.8.9
   
     ZRANGE key start stop [WITHSCORES]
     summary: Return a range of members in a sorted set, by index
     since: 1.2.0
   
     ZRANGEBYLEX key min max [LIMIT offset count]
     summary: Return a range of members in a sorted set, by lexicographical range
     since: 2.8.9
   
     ZRANGEBYSCORE key min max [WITHSCORES] [LIMIT offset count]
     summary: Return a range of members in a sorted set, by score
     since: 1.0.5
   
     ZRANK key member
     summary: Determine the index of a member in a sorted set
     since: 2.0.0
   
     ZREM key member [member ...]
     summary: Remove one or more members from a sorted set
     since: 1.2.0
   
     ZREMRANGEBYLEX key min max
     summary: Remove all members in a sorted set between the given lexicographical range
     since: 2.8.9
   
     ZREMRANGEBYRANK key start stop
     summary: Remove all members in a sorted set within the given indexes
     since: 2.0.0
   
     ZREMRANGEBYSCORE key min max
     summary: Remove all members in a sorted set within the given scores
     since: 1.2.0
   
     ZREVRANGE key start stop [WITHSCORES]
     summary: Return a range of members in a sorted set, by index, with scores ordered from high to low
     since: 1.2.0
   
     ZREVRANGEBYLEX key max min [LIMIT offset count]
     summary: Return a range of members in a sorted set, by lexicographical range, ordered from higher to lower strings.
     since: 2.8.9
   
     ZREVRANGEBYSCORE key max min [WITHSCORES] [LIMIT offset count]
     summary: Return a range of members in a sorted set, by score, with scores ordered from high to low
     since: 2.2.0
   
     ZREVRANK key member
     summary: Determine the index of a member in a sorted set, with scores ordered from high to low
     since: 2.0.0
   
     ZSCAN key cursor [MATCH pattern] [COUNT count]
     summary: Incrementally iterate sorted sets elements and associated scores
     since: 2.8.0
   
     ZSCORE key member
     summary: Get the score associated with the given member in a sorted set
     since: 1.2.0
   
     ZUNIONSTORE destination numkeys key [key ...] [WEIGHTS weight] [AGGREGATE SUM|MIN|MAX]
     summary: Add multiple sorted sets and store the resulting sorted set in a new key
     since: 2.0.0
   

   127.0.0.1:6379> ZADD salary 400 user01
   (integer) 1
   127.0.0.1:6379> ZADD salary 600 user02
   (integer) 1
   
   127.0.0.1:6379> ZRANGE salary 0 100 withscores
   1) "user01"
   2) "400"
   3) "user02"
   4) "600"
   

   MULTI开启一个事务

   EXEC执行事务

   127.0.0.1:6379> MULTI
   OK
   127.0.0.1:6379> ZINCRBY salary 100 user01
   QUEUED
   127.0.0.1:6379> ZINCRBY salary -100 user02
   QUEUED
   127.0.0.1:6379> EXEC
   1) "500"
   2) "500
   
   127.0.0.1:6379> ZRANGE salary 0 100 withscores
   1) "user01"
   2) "500"
   3) "user02"
   4) "500"
   

5. hash

     HDEL key field [field ...]
     summary: Delete one or more hash fields
     since: 2.0.0
   
     HEXISTS key field
     summary: Determine if a hash field exists
     since: 2.0.0
   
     HGET key field
     summary: Get the value of a hash field
     since: 2.0.0
   
     HGETALL key
     summary: Get all the fields and values in a hash
     since: 2.0.0
   
     HINCRBY key field increment
     summary: Increment the integer value of a hash field by the given number
     since: 2.0.0
   
     HINCRBYFLOAT key field increment
     summary: Increment the float value of a hash field by the given amount
     since: 2.6.0
   
     HKEYS key
     summary: Get all the fields in a hash
     since: 2.0.0
   
     HLEN key
     summary: Get the number of fields in a hash
     since: 2.0.0
   
     HMGET key field [field ...]
     summary: Get the values of all the given hash fields
     since: 2.0.0
   
     HMSET key field value [field value ...]
     summary: Set multiple hash fields to multiple values
     since: 2.0.0
   
     HSCAN key cursor [MATCH pattern] [COUNT count]
     summary: Incrementally iterate hash fields and associated values
     since: 2.8.0
   
     HSET key field value
     summary: Set the string value of a hash field
     since: 2.0.0
   
     HSETNX key field value
     summary: Set the value of a hash field, only if the field does not exist
     since: 2.0.0
   
     HSTRLEN key field
     summary: Get the length of the value of a hash field
     since: 3.2.0
   
     HVALS key
     summary: Get all the values in a hash
     since: 2.0.0
   

   hash-max-ziplist-entries 512
   hash-max-ziplist-value 64
   

   hset

   127.0.0.1:6379> hset user:1 name wangendao
   127.0.0.1:6379> hset user:1 age 30
   127.0.0.1:6379> hset user:1 mail XXXX.qq.com
   

   hget

   127.0.0.1:6379> hget user:1 name
   "wangendao"
   127.0.0.1:6379> hget user:1 age
   "30"
   127.0.0.1:6379> hget user:1 mail
   "XXXX.qq.com"
   127.0.0.1:6379
   

   hgetall

   127.0.0.1:6379> HGETALL user:1
   1) "name"
   2) "wangendao"
   3) "age"
   4) "30"
   5) "mail"
   6) "XXXX.qq.com"
   

   hmset

   127.0.0.1:6379> hmset user:1 name wangendao age 30 mail xxx.qq.com
   OK
   127.0.0.1:6379> HMGET user:1 name age mail
   1) "wangendao"
   2) "30"
   3) "xxx.qq.com"
   

   HEXISTS

   127.0.0.1:6379> EXISTS user:1
   (integer) 1
   127.0.0.1:6379> HEXISTS user:1 name
   (integer) 1
   127.0.0.1:6379> HEXISTS user:1 name1
   (integer) 0
   

6. bitmap