Shulou(Shulou.com)06/01 Report--

1 number of seconds of px set key value ex / px millisecond nx/xx

127.0.0.1 6379 > set name z2 px 1000

OK

127.0.0.1 purl 6379 > ttl name

(integer)-2

Nx: indicates that the action is performed when the key does not exist

Xx: indicates the operation when key exists

Such as:

127.0.0.1 purl 6379 > flushdb

OK

127.0.0.1 purl 6379 > set jiaxiao dfss

OK

127.0.0.1 purl 6379 > set jiaxiao gjjx nx

(nil)

127.0.0.1 purl 6379 > get jiaxiao

"dfss"

127.0.0.1 purl 6379 > set jiaxiao hdjx xx

OK

127.0.0.1 purl 6379 > get jiaxiao

"hdjx"

2,get key

Get key value

3. Get multiple key

Mget key

4, offset character value

127.0.0.1 purl 6379 > set suixingpay niubi

OK

127.0.0.1 purl 6379 > get suixingpay

"niubi"

127.0.0.1 6379 > setrange suixingpay 2 ll

(integer) 5

127.0.0.1 purl 6379 > get suixingpay

"nilli"

Note: if offset > character length, the character automatically complements 0x00

127.0.0.1 6379 > setrange suixingpay 6 c

(integer) 7

127.0.0.1 purl 6379 > get suixingpay

"nilli\ x00c"

5, added value

127.0.0.1 6379 > append suixingpay @

(integer) 8

127.0.0.1 purl 6379 > get suixingpay

"nilli\ x00c@"

6, get the range of a value in the string

Note: for the subscript of a string, the left number starts at 0 and the right number starts at-1

127.0.0.1 purl 6379 > set area beijing

OK

127.0.0.1 getrange area 6379 > 1

"ijin"

127.0.0.1 6379 > getrange area 0-5

"bei"

7, increase or decrease

127.0.0.1 6379 > set ages 20

OK

127.0.0.1 purl 6379 > get ages

"20"

127.0.0.1 purl 6379 > incr age

(integer) 1

127.0.0.1 purl 6379 > get ages

"20"

127.0.0.1 purl 6379 > incr ages

(integer) 21

127.0.0.1 purl 6379 > get ages

"21"

127.0.0.1 purl 6379 > decr ages

(integer) 20

127.0.0.1 purl 6379 > get ages

"20"

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