Redis的发布订阅

1、什么是发布订阅

进程间的一种消息通信模式：发送者(pub)发送消息，订阅者(sub)接收消息。

订阅/发布消息图：

2、命令

3、案列

先订阅后发布后才能收到消息，

1 可以一次性订阅多个，SUBSCRIBE c1 c2 c3

2 消息发布，PUBLISH c2 hello-redis

3 订阅多个，通配符， PSUBSCRIBE new

4 收取消息， PUBLISH new1 redis2015

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1、什么是发布订阅

2、命令

3、案列

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