redis HGET command
Translation results：
get
英[get] 美[ɡɛt]
vt. Get; catch; persuade; receive (punishment, etc.)
vt.& vi. Arrive, come
vi. Become; start; try to deal with; obtain benefits or wealth
n. Reproduce, cub; profit
Third person singular : gets present participle: getting past tense: got past participle: got gotten
redis HGET commandsyntax
Function: Return the value of the given field field in the hash table key.
Syntax: HGET key field
Available versions:>= 2.0.0
Time complexity : O(1)
Returns: The value of the given field. When the given field does not exist or the given key does not exist, nil is returned.
redis HGET commandexample
# 域存在 redis> HSET site redis redis.com (integer) 1 redis> HGET site redis "redis.com" # 域不存在 redis> HGET site mysql (nil)