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redis常见操作命令-pub/sub

2016-01-19 17:42 645 查看
1、订阅一个或者多个频道:SUBSCRIBE channel1 channe2 [...]

27.0.0.1:6379> SUBSCRIBE first second

Reading messages... (press Ctrl-C to quit)

1) "subscribe"

2) "first"

3) (integer) 1

1) "subscribe"

2) "second"

3) (integer) 2

1) "message"

2) "first"

3) "xiaoming"

1) "message"

2) "first"

3) "xiaoming \xe4\xbd\xa0\xe5\x92\x8b\xe5\xb9\xb2\xe5\x95\xa5\xe5\x95\x8a"

1) "message"

2) "first"

3) "what are you doing!\x95\x8a"


2、将信息发送到指定的频道:PUBLISH channel message

127.0.0.1:6379> PUBLISH first xiaoming

(integer) 1

127.0.0.1:6379> PUBLISH first "xiaoming 你咋干啥啊"

(integer) 1

127.0.0.1:6379> PUBLISH first "what are you doing!"

(integer) 1

看返回消息 请看 1加粗的红色文本

3、订阅一个或者多个符合模式的的频道: PSUBSCRIBE pattern [pattern ...] : 模式匹配用 * 来指定

订阅者:

127.0.0.1:6379> PSUBSCRIBE news.* funny.*

Reading messages... (press Ctrl-C to quit)

1) "psubscribe"

2) "news.*"

3) (integer) 1

1) "psubscribe"

2) "funny.*"

3) (integer) 2

1) "pmessage"

2) "news.*"

3) "news.good"

4) "today is heppy"

1) "pmessage"

2) "news.*"

3) "news.bad"

4) "today is sad"

1) "pmessage"

2) "funny.*"

3) "funny.top"

4) "funny something 1"

发布者:

127.0.0.1:6379> PUBLISH news.good "today is heppy"

(integer) 1

127.0.0.1:6379> PUBLISH news.bad "today is sad"

(integer) 1

127.0.0.1:6379> PUBLISH funny.top "funny something 1"

(integer) 1

127.0.0.1:6379>

3、PUBSUB命令使用:

1)、列出当前活跃的频道: pubsub channel [pattern] ;pattern是配置的模式 用通配符 * 指定,如果不指定pattern是列出所有的活跃频道

127.0.0.1:6379> PUBSUB channels

1) "first"

2) "second"

127.0.0.1:6379> PUBSUB channels one*

(empty list or set)

127.0.0.1:6379> PUBSUB channels f*

1) "first"

2)、返回指定频道订阅者的数量,订阅模式客户端除外:

127.0.0.1:6379> PUBSUB numsub

(empty list or set)

127.0.0.1:6379> PUBSUB numsub first

1) "first"

2) (integer) 1

127.0.0.1:6379> PUBSUB numsub first second

1) "first"

2) (integer) 1

3) "second"

4) (integer) 1

3)、返回订阅模式的数量:PUBSUB NUMPAT

订阅者:

127.0.0.1:6379> PSUBSCRIBE news.* funny.*

Reading messages... (press Ctrl-C to quit)

1) "psubscribe"

2) "news.*"

3) (integer) 1

1) "psubscribe"

2) "funny.*"

3) (integer) 2

1) "pmessage"

2) "news.*"

3) "news.good"

4) "today is heppy"

1) "pmessage"

2) "news.*"

3) "news.bad"

4) "today is sad"

1) "pmessage"

2) "funny.*"

3) "funny.top"

4) "funny something 1"

发布者:

27.0.0.1:6379> PUBLISH news.good "today is heppy"

(integer) 1

127.0.0.1:6379> PUBLISH news.bad "today is sad"

(integer) 1

127.0.0.1:6379> PUBLISH funny.top "funny something 1"

(integer) 1

127.0.0.1:6379> pubsub numpat

(integer) 2

127.0.0.1:6379>
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