Redis Zscore command

Redis ordered set (sorted set)

Redis Zscore command returns an ordered set, fractional members. If the element is not a member of an ordered set of key members of, or key does not exist, returns nil.

grammar

redis Zscore basic command syntax is as follows:

redis 127.0.0.1:6379> ZSCORE key member

Available versions

> = 1.2.0

return value

Fractional value of the member, as a string.

Examples

redis 127.0.0.1:6379> ZRANGE salary 0 -1 WITHSCORES    # 测试数据
1) "tom"
2) "2000"
3) "peter"
4) "3500"
5) "jack"
6) "5000"

redis 127.0.0.1:6379> ZSCORE salary peter              # 注意返回值是字符串
"3500"

Redis ordered set (sorted set)