Redis hash hashing data type related commands

Hset key field value

Function: Set the value of the filed field in the key to value

Note: If there is no field field, add directly, if any, overwrite the value of the original Field field

Hmset key field1 value1 [field2 value2 field3 value3 ... fieldn Valuen]

Function: Set field1->n domain, corresponding value is Value1->n

(the corresponding PHP is understood as $key = Array (file1=>value1, field2=>value2 .... Fieldn=>valuen))

Hget key Field

Function: Returns the value of the Field field in key

Hmget key Field1 Field2 fieldn

Function: Returns the value of the Field1 field2 fieldn field in key

Hgetall Key

Function: Returns the key, all fields and their values

Hdel key Field

Role: Delete the Field field in key

Hlen Key

Function: Returns the number of elements in key

Hexists key Field

Function: Determine if there is a field field in key

Hinrby key field value

Function: The value of the field field in key is increased by the integer value

Hinrby Float key field value

Function: The Value of Field field in key is increased by floating point value

Hkeys Key

Function: Returns all the field in key

Kvals Key

Function: Returns all the value in key