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redis发布订阅命令行实现
2022-07-05 06:00:00 【一个风轻云淡】
- 打开一个客户端订阅channel1
SUBSCRIBE channel1
2、打开另一个客户端，给channel1发布消息hello
publish channel1 hello
返回的1是订阅者数量
打开第一个客户端可以看到发送的消息
注：发布的消息没有持久化，如果在订阅的客户端收不到hello，只能收到订阅后发布的消息
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