Redis of publish and subscribe

Publish and subscribe

　　A messaging mode of communication between processes: publisher sends a message, subscribers receive messages

Subscribers subscribe to a plurality of receiving a one-time message

 1 127.0.0.1:6379> SUBSCRIBE c1 c2 c3
 2 Reading messages... (press Ctrl-C to quit)
 3 1) "subscribe"
 4 2) "c1"
 5 3) (integer) 1
 6 1) "subscribe"
 7 2) "c2"
 8 3) (integer) 2
 9 1) "subscribe"
10 2) "c3"
11 3) (integer) 3
12 1) "message"
13 2) "c2"
14 3) "woshiniba"
15 1) "message"
16 2) "c1"
17 3) "woshinidie"
18 # -----------------------------通配符*-------------------
19 127.0.0.1:6379> PSUBSCRIBE new*
20 Reading messages... (press Ctrl-C to quit)
21 1) "psubscribe"
22 2) "new*"
23 3) (integer) 1
24 1) " PMessage " 
25 2) " new new * " 
26 is . 3) " new13 " 
27 . 4) " nishishabi " 
28  
29  # publisher sends a message 
30 127.0.0.1:6379> the PUBLISH C2 woshiniba
 31 is (Integer). 1
 32 127.0.0.1:6379 > the PUBLISH C1 woshinidie
 33 is (Integer). 1
 34 is  # ----------------------- wildcard --------------- ----------- 
35 127.0.0.1:6379> the PUBLISH new13 nishishabi
 36 (Integer). 1

 Related instructions https://www.runoob.com/redis/redis-pub-sub.html