90 lines
1.4 KiB
Markdown
90 lines
1.4 KiB
Markdown
|
||
|
||
因收到Google相关通知，网站将会择期关闭。相关通知内容
|
||
|
||
|
||
09 附录：更多字典操作命令
|
||
插入一个或多个元素
|
||
|
||
语法：hmset key field value [field value …] 示例：
|
||
|
||
127.0.0.1:6379> hmset myhash k1 val1 k2 val2
|
||
OK
|
||
127.0.0.1:6379> hmget myhash k1 k2
|
||
1) "val1"
|
||
2) "val2"
|
||
|
||
|
||
|
||
查询一个或多个元素
|
||
|
||
语法：hmget key field [field …] 示例：
|
||
|
||
127.0.0.1:6379> hmget myhash k1 k2
|
||
1) "v1"
|
||
2) "v2"
|
||
|
||
|
||
|
||
查询某个 key 的所有字段
|
||
|
||
语法：hkeys key 示例：
|
||
|
||
127.0.0.1:6379> hkeys myhash
|
||
1) "key1"
|
||
2) "key2"
|
||
|
||
|
||
|
||
查询某个 key 的所有值
|
||
|
||
语法：hvals key 示例：
|
||
|
||
127.0.0.1:6379> hvals myhash
|
||
1) "value1"
|
||
2) "value2"
|
||
|
||
|
||
|
||
查询某个 key 的所有字段和值
|
||
|
||
语法：hgetall key 示例：
|
||
|
||
127.0.0.1:6379> hgetall myhash
|
||
1) "k1"
|
||
2) "v1"
|
||
3) "k2"
|
||
4) "v2"
|
||
|
||
|
||
|
||
某个浮点值累加计算
|
||
|
||
语法：hincrbyfloat key field increment 示例：
|
||
|
||
127.0.0.1:6379> hincrbyfloat myhash k3 2.2
|
||
"9.2"
|
||
|
||
|
||
|
||
查询元素是否存在
|
||
|
||
语法：hexists key field 示例：
|
||
|
||
127.0.0.1:6379> hexists myhash key1
|
||
(integer) 1
|
||
|
||
|
||
|
||
查询元素个数
|
||
|
||
语法：hlen key 示例：
|
||
|
||
127.0.0.1:6379> hlen myhash
|
||
(integer) 2
|
||
|
||
|
||
|
||
|
||
|
||
|