1), subscribers of the message subscribe to the channel: subscribe channel 1 [channel 2 ....]
subscribe ch1 ch2 ch3
2), publish messages to the channel: publish channel number message content
publish ch1 hello
3), subscribers of the message Channel: psubcribe channel number (supports wildcards)
psubscribe news. *
109-redis message sending and subscription
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Origin www.cnblogs.com/pogusanqian/p/12700154.html
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