redis 学习字符类型 hash

最新推荐文章于 2025-08-09 18:20:04 发布

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最新推荐文章于 2025-08-09 18:20:04 发布

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CC 4.0 BY-SA版权

文章标签：数据库

原文链接：http://www.cnblogs.com/my-blogs-for-everone/p/10207991.html

本文详细介绍了使用Redis进行用户信息管理的操作过程，包括设置和获取用户名、密码、邮箱等信息，展示了如何利用Redis的HSET、HGET、HSETNX、HMSET、HGETALL等命令进行高效的数据操作。

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127.0.0.1:6379> HSET userinfo1 username "king"
(integer) 1
127.0.0.1:6379> HSET userinfo1 passowor "123456"
(integer) 1
127.0.0.1:6379> HSET userinfo1 email "944851899@qq.com"
(integer) 1
127.0.0.1:6379> HGET userinfo1 username
"king"
127.0.0.1:6379> HGET userinfo1 password
(nil)
127.0.0.1:6379> HGET userinfo1 passwor
(nil)
127.0.0.1:6379> HGET userinfo1 passowor
"123456"
127.0.0.1:6379> HGET userinfo1 email
"944851899@qq.com"
127.0.0.1:6379>

127.0.0.1:6379> HGET userinfo1 email
"944851899@qq.com"
127.0.0.1:6379> HSETNX userinfo1 email "99@qq.com"
(integer) 0
127.0.0.1:6379> HGET userinfo1 email
"944851899@qq.com"
127.0.0.1:6379> HSETNX userinfo1 email2 "99@qq.com"
(integer) 1
127.0.0.1:6379> HGET userinfo1 email
"944851899@qq.com"
127.0.0.1:6379> HGET userinfo1 email2
"99@qq.com"
127.0.0.1:6379>

127.0.0.1:6379> HMSET userinfo2 username "jack" password "jack124" email "jack@qq.com"

OK
127.0.0.1:6379> HMGET userinfo2 username password email
1) "jack"
2) "jack124"
3) "jack@qq.com"
127.0.0.1:6379>

127.0.0.1:6379> HGETALL userinfo2
1) "username"
2) "jack"
3) "password"
4) "jack124"
5) "email"
6) "jack@qq.com"
127.0.0.1:6379> HGETALL userinfo1
1) "username"
2) "king"
3) "passowor"
4) "123456"
5) "email"
6) "944851899@qq.com"
7) "email2"
8) "99@qq.com"
127.0.0.1:6379>

127.0.0.1:6379> HKEYS userinfo1
1) "username"
2) "passowor"
3) "email"
4) "email2"
127.0.0.1:6379> HVALS userinfo1
1) "king"
2) "123456"
3) "944851899@qq.com"
4) "99@qq.com"
127.0.0.1:6379>

127.0.0.1:6379> HGETALL userinfo1
1) "username"
2) "king"
3) "passowor"
4) "123456"
5) "email"
6) "944851899@qq.com"
7) "email2"
8) "99@qq.com"
127.0.0.1:6379> HEXISTS userinfo1 username
(integer) 1
127.0.0.1:6379> HEXISTS userinfo1 username1
(integer) 0
127.0.0.1:6379> HEXISTS userinfo1 email
(integer) 1
127.0.0.1:6379> HEXISTS userinfo1 email1
(integer) 0
127.0.0.1:6379> HEXISTS userinfo1 email12
(integer) 0
127.0.0.1:6379> HEXISTS userinfo1 email2
(integer) 1
127.0.0.1:6379> HLEN userinfo1
(integer) 4
127.0.0.1:6379>

127.0.0.1:6379> HGETALL
(error) ERR wrong number of arguments for 'hgetall' command
127.0.0.1:6379> HGETALL userinfo1
1) "username"
2) "king"
3) "passowor"
4) "123456"
5) "email"
6) "944851899@qq.com"
7) "email2"
8) "99@qq.com"
127.0.0.1:6379> HDEL userinfo1 email2
(integer) 1
127.0.0.1:6379> HGETALL userinfo1
1) "username"
2) "king"
3) "passowor"
4) "123456"
5) "email"
6) "944851899@qq.com"
127.0.0.1:6379>