Redis之发布与订阅

发布订阅

　　进程间的一种消息通信模式：发布者发送消息，订阅者接收消息

订阅者接收消息  一次性订阅多个

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) "woshiniba"
1) "message"
2) "c1"
3) "woshinidie"
# -----------------------------通配符*-------------------
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) "new13"
4) "nishishabi"

# 发布者发送消息
127.0.0.1:6379> PUBLISH c2 woshiniba
(integer) 1
127.0.0.1:6379> PUBLISH c1 woshinidie
(integer) 1
# -----------------------通配符--------------------------
127.0.0.1:6379> PUBLISH new13 nishishabi
(integer) 1

 相关指令https://www.runoob.com/redis/redis-pub-sub.html