Redis消息订阅

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使用办法:

命令 作用 publish channel content 向指定channel发布内容 subscribe channel [channel …] 订阅指定channel消息 psubscribe pattern [pattern …] 订阅符合pattern的channel,支持?、*、[]进行通配,如new[sn],可订阅news和newn的消息 unsubscribe [channel [channel …]] 取消订阅channel消息 punsubscribe [pattern [pattern …]] 取消订阅pattern的channel,支持?、*、[]进行通配,如new[sn],可取消订阅news和newn的消息 pubsub numsub channel … 查看某个或多个channel订阅者数量 pubsub numpat 查看所有订阅者数量

测试案例1:
消息发布端:

127.0.0.1:6379> publish news 'hello redis'(integer) 1127.0.0.1:6379> publish news 'hello publish'(integer) 1127.0.0.1:6379> 

订阅端:

127.0.0.1:6379> subscribe newsReading messages... (press Ctrl-C to quit)1) "subscribe"2) "news"3) (integer) 11) "message"2) "news"3) "hello redis"1) "message"2) "news"3) "hello publish"

测试案例2
消息发布端:

127.0.0.1:6379> publish news 'hello redis'(integer) 1127.0.0.1:6379> publish newn 'hello word'(integer) 1127.0.0.1:6379>

消息订阅端:

127.0.0.1:6379> psubscribe new[sn]Reading messages... (press Ctrl-C to quit)1) "psubscribe"2) "new[sn]"3) (integer) 11) "pmessage"2) "new[sn]"3) "news"4) "hello redis"1) "pmessage"2) "new[sn]"3) "newn"4) "hello word"
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