redis发布订阅

cli-1:redis 127.0.0.1:6379> publish channel:sports "Tim won the championship"(integer) 0redis 127.0.0.1:6379> publish channel:sports "James lost the championship"(integer) 1cli-2在执行了订阅命令后，进入订阅状态，只能接收subscribe、psubscribe、unsubscribe、punsubscribe四个命令。cli-2:redis 127.0.0.1:6379> subscribe channel:sportsReading messages... (press Ctrl-C to quit)1) "subscribe"2) "channel:sports"3) (integer) 11) "message"2) "channel:sports"3) "James lost the championship"取消订阅redis 127.0.0.1:6379> unsubscribe channel:sports1) "unsubscribe"2) "channel:sports"3) (integer) 0