1.赋值与取值命令

127.0.0.1:6379> hset stu name qiao

(integer) 1

127.0.0.1:6379> hset stu sex man

(integer) 1

127.0.0.1:6379> hget stu name

"qiao"

127.0.0.1:6379> HMSET st name sun age 22

OK

127.0.0.1:6379> HMGET st name age

1) "sun"

2) "22"

127.0.0.1:6379> HGETALL st

1) "name"

2) "sun"

3) "age"

4) "22"

2.判断字段是否存在，字段不存在赋值

127.0.0.1:6379> HEXISTS stu name

(integer) 1

127.0.0.1:6379> HEXISTS stu age

(integer) 0

127.0.0.1:6379> HSETNX stu age 33

(integer) 1

127.0.0.1:6379> HGET stu age

"33"

3.增加指定的整数

127.0.0.1:6379> HINCRBY stu age 22

(integer) 55

127.0.0.1:6379> HGET stu age

"55"

4.删除字段

127.0.0.1:6379> HDEL st name age

(integer) 2

5.只获取字段名或者字段值

127.0.0.1:6379> HKEYS stu

1) "name"

2) "sex"

3) "age"

127.0.0.1:6379> HVALS stu

1) "qiao"

2) "man"

3) "55"

6.获取字段数量

127.0.0.1:6379> HLEN stu

(integer) 3