Returns the score of member
in the sorted set at key
.
If member
does not exist in the sorted set, or key
does not exist, nil
is
returned.
返回值
Bulk string reply: the score of member
(a double precision floating point number),
represented as string.
例子
redis>
ZADD myzset 1 "one"
(integer) 1redis> ZSCORE myzset "one"
"1"