Redis Hget command

Redis hash (Hash)

Redis Hget command returns the value of the hash table for the specified field.

grammar

redis Hget basic command syntax is as follows:

redis 127.0.0.1:6379> HGET KEY_NAME FIELD_NAME 

Available versions

> = 2.0.0

return value

Returns the value of a given field. If a given field or key does not exist, returns nil.

Examples

# 字段存在

redis> HSET site redis redis.com
(integer) 1

redis> HGET site redis
"redis.com"


# 字段不存在

redis> HGET site mysql
(nil)

Redis hash (Hash)