redis
1、数据类型
string,hash,list,set,zset
(String)
最基本的命令:GET、SET GET key,SET key value
(hash)
设置单个:HSET HSET key field value,不存在时返回1,存在时返回0
设置多个:HMSET HMSET key field value [field value ...]
读取单个:HGET HGET key field,不存在是返回nil
读取多个:HMGET HMGET key field [field ...]
读取全部:HGETALL HGETALL key
(list)
添加左边元素:LPUSH LPUSH key value [value ...]
添加右边元素:RPUSH RPUSH key value [value ...]
(set)
添加元素:SADD SADD key member [member ...]
删除元素:SREM SREM key member [member ...]
获取全部元素:SMEMBERS SMEMBERS key ,返回集合全部元素
(zset)
添加集合元素:ZADD ZADD key [NX|XX] [CH] [INCR] score member [score member ...]
获取元素分数:ZSCORE ZSCORE key member