redis 消息订阅发布简介

最新推荐文章于 2023-12-06 20:32:03 发布

ZhuxiaowenLinda

最新推荐文章于 2023-12-06 20:32:03 发布

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分类专栏： redis 文章标签： redis

本文链接：https://blog.youkuaiyun.com/ZhuxiaowenLinda/article/details/105134903

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本文通过实例演示了如何使用 Redis 的 SUBSCRIBE 和 PSUBSCRIBE 命令进行消息订阅，以及如何使用 PUBLISH 和 PUBLISH 命令发布消息。详细展示了订阅和发布过程，包括普通订阅、模式订阅以及消息的接收。

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Connecting to 192.168.159.12:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.

Last login: Fri Mar 27 09:33:30 2020 from 192.168.159.1
[root@centos7002 ~]# redis-server /myredis/redis.conf
12685:C 27 Mar 2020 09:50:46.550 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
12685:C 27 Mar 2020 09:50:46.551 # Redis version=5.0.5, bits=64, commit=00000000, modified=0, pid=12685, just started
12685:C 27 Mar 2020 09:50:46.551 # Configuration loaded
[root@centos7002 ~]# redis-cli -p 6379
127.0.0.1:6379> SUBSCRIBE c1 c2 c3
Reading messages... (press Ctrl-C to quit)
1) "subscribe"
2) "c1"
3) (integer) 1
1) "subscribe"
2) "c2"
3) (integer) 2
1) "subscribe"
2) "c3"
3) (integer) 3
1) "message"
2) "c2"
3) "hello-redis"
1) "message"
2) "c1"
3) "helloc1"
^C
[root@centos7002 ~]# redis-cli -p 6379
127.0.0.1:6379> PSUBSCRIBE new*
Reading messages... (press Ctrl-C to quit)
1) "psubscribe"
2) "new*"
3) (integer) 1
1) "pmessage"
2) "new*"
3) "new1"
4) "redis2015"
1) "pmessage"
2) "new*"
3) "new13"
4) "redisnews2016"
^C
[root@centos7002 ~]#

Connecting to 192.168.159.12:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.

Last login: Fri Mar 27 09:50:17 2020 from 192.168.159.1
[root@centos7002 ~]# redis-cli -p 6379
127.0.0.1:6379> PUBLISH c2 hello-redis
(integer) 1
127.0.0.1:6379> publish c1 hello c1
(error) ERR wrong number of arguments for 'publish' command
127.0.0.1:6379> publish c1 helloc1
(integer) 1
127.0.0.1:6379> PUBLISH new1 redis2015
(integer) 1
127.0.0.1:6379> publish new13 redisnews2016
(integer) 1
127.0.0.1:6379>
[root@centos7002 ~]#