这篇文章给大家分享的是有关Redis哈希Hash怎么用的内容。小编觉得挺实用的,因此分享给大家做个参考,一起跟随小编过来看看吧。
KV模式不变,但V是一个键值对
hset:添加
hget: 获取
hmset: 批量添加
hgetall: 获取key中所有键值信息
hdel: 删除key中某属性
127.0.0.1:9736> hset user id 11
(integer) 1
127.0.0.1:9736> hget user id
"11"
127.0.0.1:9736> hset user name blue sex man
(integer) 2
127.0.0.1:9736> hget user name sex
(error) ERR wrong number of arguments for 'hget' command
127.0.0.1:9736> hget user name
"blue"
127.0.0.1:9736> hget user sex
"man"
127.0.0.1:9736> hmset customer id 11 name li4 age 26
OK
127.0.0.1:9736> hmget customer id name age
1) "11"
2) "li4"
3) "26"
127.0.0.1:9736> HGETALL customer
1) "id"
2) "11"
3) "name"
4) "li4"
5) "age"
6) "26"
127.0.0.1:9736> hdel user sex
(integer) 1
127.0.0.1:9736> HGETALL user
1) "id"
2) "11"
3) "name"
4) "blue"
127.0.0.1:9736> HLEN user
(integer) 2
127.0.0.1:9736> HLEN customer
(integer) 3
127.0.0.1:9736> HGETALL user
1) "id"
2) "11"
3) "name"
4) "blue"
127.0.0.1:9736> hgetall customer
1) "id"
2) "11"
3) "name"
4) "li4"
5) "age"
127.0.0.1:9736> HEXISTS user id
(integer) 1
127.0.0.1:9736> HEXISTS customer age
(integer) 1
127.0.0.1:9736> HKEYS customer
1) "id"
2) "name"
3) "age"
127.0.0.1:9736> HVALS customer
1) "11"
2) "li4"
3) "26"
127.0.0.1:9736> HGETALL customer
1) "id"
2) "11"
3) "name"
4) "li4"
5) "age"
6) "36"
127.0.0.1:9736> HINCRBYfloat customer age 0.1
"36.1"
127.0.0.1:9736> HINCRBYFLOAT customer age 0.4
"36.5"
127.0.0.1:9736> HGETALL customer
1) "id"
2) "11"
3) "name"
4) "li4"
5) "age"
6) "36.5"
如果不存在则添加 key value ,否则不添加
127.0.0.1:9736> HSETNX customer email 2@1
(integer) 1
127.0.0.1:9736> HGETALL customer
1) "id"
2) "11"
3) "name"
4) "li4"
5) "age"
6) "36.5"
7) "email"
8) "2@1"
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原文链接:https://my.oschina.net/u/1020373/blog/4623553