Zset Features:
Like set set, ordered, element is a string, each element is associated with a floating point value, and in the order of the score from small to large
zadd: Add one or more elements
Zadd Key [nx| XX] [CH] [INCR] score member [score member ...]
127.0.0.1:6379> Zadd bus 200000.01127.0.0.1:6379> zadd bus 300000.51127.0.0.1:6379> ZADD Bus 400000.81127.0.0.1:6379> zadd bus 650000.01127.0.0.1:6379> zadd bus 800000.51
zrem: Remove one or more elements
Zrem key member [member ...]
127.0.0.1:6379>1127.0.0.1:6379>1127.0.0.1:6379>1127.0.0.1:6379> 1127.0.0.1:6379>1
Zscore: Show score
127.0.0.1:6379> Zscore bus Land Rover "850000.90000000002"
Zincrby:
Zincrby Key Increment member
127.0.0.1:6379> Zscore bus Land Rover "850000.90000000002"127.0.0.1:6379> Zincrby Bus 100000.9 Land Rover "950001.80000000005"127.0.0.1:6379> zincrby bus-100000.9 Land Rover "850000.90000000002"
Redis ordered collection command using-zset