redis hset命令

HSET key field value

Sets field in the hash stored at key to value.
If key does not exist, a new key holding a hash is created.
If field already exists in the hash, it is overwritten.

*返回值

Integer reply, specifically:

  • 1 if field is a new field in the hash and value was set.
  • 0 if field already exists in the hash and the value was updated.

*例子

redis>  HSET myhash field1 “Hello”

(integer) 1

redis>  HGET myhash field1

"Hello"
redis>