zrange key-1-1 [withscores]
Return to ordered set
key , a member of the specified interval.
members of the position according to the score value increment ( since the childhood ) to sort.
with the same score members of the value according to the dictionary sequence ( lexicographical order to line up.
if you need a member according to the score value decreasing ( from big to small ) to line up, Please use the ZREVRANGE command.
subscript parameter start and stop to 0 at the bottom, that is to say, With 0 said ordered set first members, with 1 said ordered set the second member, and so on.
you can also use negative indices, with 1 said last member, 2 said penultimate members, and so on.
2. Zrevrange key start stop [withscores]
zrevrange key 0 0 [withscores]
members of the position according to the score value decreasing ( from big to small to line up.
Zrevrangebyscore key +inf 0 limit 0 1
ZRANGEBYSCORE key min Max [WITHSCORES] [LIMIT offset count]