Redis-set、hash、zset(有序集合)

1、

 

 

 

 

 

 

 

 

 

 

 

 

   hlen :获取hash表的字段数量

 

 

 

 

 

 

 

 

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zset(有序集合)

 

127.0.0.1:6379> zadd salary 2500 xiaohong
(integer) 1
127.0.0.1:6379> zadd salary 5000 zhangsan
(integer) 1
127.0.0.1:6379> zadd salary 500 kaungshen
(integer) 1

由低到高排序：

127.0.0.1:6379> zrangebyscore salary -inf +inf
1) "kaungshen"
2) "xiaohong"
3) "zhangsan"

由高到低排序

127.0.0.1:6379> zrevrangebyscore salary +inf -inf
1) "zhangsan"
2) "xiaohong"
3) "kaungshen"