Redis总结_代码007(未授权)

[root@localhost /]# redis-cli
127.0.0.1:6379&gt;

ping

127.0.0.1:6379&gt; ping
PONG

dbsize

127.0.0.1:6379&gt; dbsize
(integer) 1

select index

127.0.0.1:6379&gt; select 5
OK
127.0.0.1:6379[5]&gt; dbsize
(integer) 0

dbsize

127.0.0.1:6379> dbsize
(integer) 1
127.0.0.1:6379> flushdb
OK
127.0.0.1:6379> dbsize
(integer) 0

quit

exit

keys pattern

127.0.0.1:6379> keys *
1) "aw"
2) "a"
3) "kl"

127.0.0.1:6379> keys ?l
1) "kl"

exists key

127.0.0.1:6379> exists a
(integer) 1
127.0.0.1:6379> exists xiaoming
(integer) 0

expire key second

127.0.0.1:6379> expire a 3
(integer) 1
127.0.0.1:6379> keys *
1) "aw"
2) "a"
3) "kl"
127.0.0.1:6379> keys *
1) "aw"
2) "kl"

ttl key

type key

127.0.0.1:6379> type aw
string

127.0.0.1:6379> type lll
none

127.0.0.1:6379> keys *
1) "aw"
2) "kl"
127.0.0.1:6379> del aw
(integer) 1
127.0.0.1:6379> keys *
1) "kl"

set key value

127.0.0.1:6379> set a abcd
OK
127.0.0.1:6379> get a
"abcd"

127.0.0.1:6379> get a
"abcd"

incr key

127.0.0.1:6379> set idx 1
OK
127.0.0.1:6379> incr idx
(integer) 2

decr key

127.0.0.1:6379> decr idx
(integer) 1

incrby key n

127.0.0.1:6379> set num 1
OK
127.0.0.1:6379> incrby num 5
(integer) 6

decrby key n

127.0.0.1:6379> decrby num 5
(integer) 1

append key value

127.0.0.1:6379> get aw
"acs"
127.0.0.1:6379> append aw 1234
(integer) 7
127.0.0.1:6379> get aw
"acs1234"

strlen key

127.0.0.1:6379> strlen aw
(integer) 7

getrange key start end

127.0.0.1:6379> get aw
"acs1234"
127.0.0.1:6379> getrange aw 1 3
"cs1"

127.0.0.1:6379> get aw
"acs1234"

setrange key offset value

127.0.0.1:6379> get aw
"acs1234"
127.0.0.1:6379> setrange aw 3 78910
(integer) 8
127.0.0.1:6379> get aw
"acs78910"

127.0.0.1:6379> mset k1 v1 k2 v2 k3 v3
OK

mget key1 [key2] ...

127.0.0.1:6379> mget k1 k2 k3
1) "v1"
2) "v2"
3) "v3"

lpush list value1 [value2...]

127.0.0.1:6379> lpush list a b c
(integer) 3

lrange list 0 -1

127.0.0.1:6379> lrange list 0 -1
1) "c"
2) "b"
3) "a"

rpush list value1 [value2...]

127.0.0.1:6379> rpush list d e f
(integer) 6
127.0.0.1:6379> lrange list 0 -1
1) "c"
2) "b"
3) "a"
4) "d"
5) "e"
6) "f"

lpop list

127.0.0.1:6379> lpop list
"c"

rpop list

127.0.0.1:6379> rpop list
"f"

lindex list 下标

127.0.0.1:6379> lrange list 0 -1
1) "b"
2) "a"
3) "d"
4) "e"
127.0.0.1:6379> lindex list 2
"d"

llen list

127.0.0.1:6379> llen list
(integer) 4

lrem list n value

127.0.0.1:6379> lrange list 0 -1
1) "a"
2) "a"
3) "c"
4) "b"
5) "a"
6) "b"
7) "a"
8) "d"
9) "e"
127.0.0.1:6379> lrem list 3 a
(integer) 3
127.0.0.1:6379> lrange list 0 -1
1) "c"
2) "b"
3) "b"
4) "a"
5) "d"
6) "e"

sadd set value1 [value2]...

127.0.0.1:6379> sadd s1 v1 v2 v3
(integer) 3

smembers set

127.0.0.1:6379> smembers s1
1) "v3"
2) "v1"
3) "v2"

sismember set value

127.0.0.1:6379> sismember s1 v1
(integer) 1

127.0.0.1:6379> sismember s1 v4
(integer) 0

scard set

127.0.0.1:6379> scard s1
(integer) 3

srem set value

127.0.0.1:6379> srem s1 v1
(integer) 1
127.0.0.1:6379> scard s1
(integer) 2

spop set

127.0.0.1:6379> spop s1
"v2"

srandmember set n

127.0.0.1:6379> smembers s1
1) "v4"
2) "v2"
3) "v1"
4) "v5"
5) "v6"
6) "v3"
127.0.0.1:6379> srandmember s1 2
1) "v1"
2) "v4"
127.0.0.1:6379> smembers s1
1) "v1"
2) "v5"
3) "v6"
4) "v2"
5) "v3"
6) "v4"

sinter set1 set2

127.0.0.1:6379> smembers s1
1) "v1"
2) "v5"
3) "v6"
4) "v2"
5) "v3"
6) "v4"
127.0.0.1:6379> smembers s2
1) "a"
2) "v2"
3) "v1"
4) "b"
5) "c"
6) "d"
127.0.0.1:6379> sinter s1 s2
1) "v1"
2) "v2"

sunion set1 set2

127.0.0.1:6379> sunion s1 s2
 1) "v6"
 2) "v2"
 3) "v3"
 4) "v4"
 5) "c"
 6) "v5"
 7) "a"
 8) "v1"
 9) "b"
10) "d"

sdiff set1 set2

127.0.0.1:6379> sdiff s1 s2
1) "v3"
2) "v4"
3) "v5"
4) "v6"

zadd zset score1 value1 [score2 value2]...

127.0.0.1:6379> zadd stu 99 aw 88 xh 77 xm
(integer) 3

zrange zset 0 -1

127.0.0.1:6379> zrange stu 0 -1
1) "xm"
2) "xh"
3) "aw"

127.0.0.1:6379> zrange stu 0 -1 withscores
1) "xm"
2) "77"
3) "xh"
4) "88"
5) "aw"
6) "99"

zrangebyscore zset score1 score2

127.0.0.1:6379> zrangebyscore stu 1 100
1) "xm"
2) "xh"
3) "aw"

127.0.0.1:6379> zrangebyscore stu 1 100 withscores
1) "xm"
2) "77"
3) "xh"
4) "88"
5) "aw"
6) "99"

zrevrangebyscore zset score1 score2

127.0.0.1:6379> zrevrangebyscore stu 100 1
1) "aw"
2) "xh"
3) "xm"

zincrby stu score value

127.0.0.1:6379> zrange stu 0 -1 withscores
1) "xm"
2) "77"
3) "xh"
4) "88"
5) "aw"
6) "99"
7) "kl"
8) "110"
127.0.0.1:6379> zincrby stu 1 aw
"100"

zrem zset value

127.0.0.1:6379> zrem stu xm
(integer) 1
127.0.0.1:6379> zrange stu 0 -1 withscores
1) "xh"
2) "88"
3) "aw"
4) "100"
5) "kl"
6) "110"

zcount zset score1 score2

127.0.0.1:6379> zcount stu 1 100
(integer) 2

zrank zset 元素

127.0.0.1:6379> zrank stu xh
(integer) 0
127.0.0.1:6379> zrank stu aw
(integer) 1

hset key field value

127.0.0.1:6379> hset user id 10001
(integer) 1

hget key field

127.0.0.1:6379> hget user id
"10001"

hmset key field value field value

127.0.0.1:6379> hmset user name kl age 19
OK

127.0.0.1:6379> hmget user name age
1) "kl"
2) "19"

127.0.0.1:6379> hexists user name
(integer) 1

hkeys key

127.0.0.1:6379> hkeys user
1) "id"
2) "name"
3) "age"

hvals key

127.0.0.1:6379> hvals user
1) "10001"
2) "kl"
3) "19"

hdel key field

127.0.0.1:6379> hdel user id
(integer) 1
127.0.0.1:6379> hget user id
(nil)

hincrby key value 1
hincrby key value -1

127.0.0.1:6379> hget user id
"99"
127.0.0.1:6379> hincrby user id 1
(integer) 100
127.0.0.1:6379> hincrby user id -1
(integer) 99

hsetnx key field value

127.0.0.1:6379> hsetnx user time 6:30
(integer) 1
127.0.0.1:6379> hsetnx user time 8:00
(integer) 0

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启动Redis

查看当前数据库key的数目

切换库

删除当前数据库的数据

查找所有符合条件的key

查看key是否存在

设置key的生存时间

返回key的剩余存在时间

查看key的数据类型

删除指定的key

给key设置字符串类型

获取key的字符串值

对key进行加/减操作

追加内容

返回key的长度

从offset开始用value覆盖key

同时设置多个key-value

同时获取多个key存储的值

list操作

从列表的左边添加元素

查询列表中的全部元素

从列表的右边添加元素

从左边弹出一个元素并返回

从右边弹出一个元素并返回

根据指定下标获取元素

获取列表的长度

从左边删除指定个数的元素

set操作

查询集合所有元素

判断集合是否存在某个元素

返回集合中元素的个数

删除集合中指定的元素

随机弹出集合中某个元素

随机弹出指定个数的元素，但不会从集合中删除

取交集

取并集

取补集

zset操作

添加元素

显示集合中的所有值

取指定区间的元素

给指定的元素添加分数

删除指定的元素

统计指定分数区间元素的个数

查询指定元素的排名

hash操作

向hash中存储数据

获取指定的数据

批量向hash中添加数据

判断key中是否存在指定的field

获取所有的field

获取所有的value

删除指定的field及其对应的value

对指定的value的值自增/自减

设置指定field的值

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从offset开始用val ue 覆盖key

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