redis数据类型-hash类型
HSET:设置HASH值
HGET:获取HASH值
HGETALL:获取所有的HASH值
192.168.2.120:6379> HSET shouji name iphone
(integer) 1
192.168.2.120:6379> HSET shouji color red
(integer) 1
192.168.2.120:6379> HSET shouji price 8888
(integer) 1
192.168.2.120:6379> HGET shouji name
"iphone"
192.168.2.120:6379> HGET shouji
(error) ERR wrong number of arguments for 'hget' command
192.168.2.120:6379> HGET shouji color
"red"
192.168.2.120:6379> HGET shouji price
"8888"
192.168.2.120:6379> HGETall shouji
1) "name"
2) "iphone"
3) "color"
4) "red"
5) "price"
6) "8888"
192.168.2.120:6379> HSET car name auto
(integer) 1
192.168.2.120:6379> HSET car price 30
(integer) 1
192.168.2.120:6379> HSET car mode 2.4T
(integer) 1
192.168.2.120:6379> HGETALL cat
1) "color"
2) "red"
192.168.2.120:6379> HGETALL car
1) "name"
2) "auto"
3) "price"
4) "30"
5) "mode"
6) "2.4T"
192.168.2.120:6379> HSET diannao model "hehehehe"
(integer) 1
192.168.2.120:6379> HGET diannao model
"hehe hehe"
HMSET:一次设置多个KEY-VALUE
HMGET:一次获取多个KEY-VALUE
192.168.2.120:6379> HMSET diannao name thinkpad colorblack price 30
OK
192.168.2.120:6379> HMGET diannao name
1) "thinkpad"
192.168.2.120:6379> HMGET diannao name color price
1) "thinkpad"
2) "black"
3) "30"
HDEL：删除指定的key
192.168.2.120:6379> HDEL diannao model
(integer) 1
192.168.2.120:6379> HGETALL diannao
1) "name"
2) "thinkpad"
3) "color"
4) "black"
5) "price"
6) "30"
192.168.2.120:6379>
HEXISTS:判断key的字段值是否存在
192.168.2.120:6379> HEXISTS diannao name
(integer) 1
192.168.2.120:6379> EXISTS diannao #判断KEY是否存在
(integer) 1
