redis06----消息订阅

使用办法:
订阅端: Subscribe 频道名称
发布端: publish 频道名称 发布内容


r1:2>publish news "aaaaaa"
"0"
r1:2>publish news "bbbbb"
"1"
r1:2>publish news "rrrrr"
"1"
r1:2>publish news "dddddffffr1:2>"
"2"

127.0.0.1:6379[2]> Subscribe news
Reading messages... (press Ctrl-C to quit)
1) "subscribe"
2) "news"
3) (integer) 1
1) "message"
2) "news"
3) "bbbbb"
1) "message"
2) "news"
3) "rrrrr"