redis SUBSCRIBE command
Translation results：
subscribe
UK[səbˈskraɪb] US[səbˈskraɪb]
vt.& vi. Subscription; pledge, donation; signature, inscription, signature; subscription, Order
Third person singular: subscribes Present participle: subscribing Past tense: subscribed Past participle: subscribed
redis SUBSCRIBE commandsyntax
Function:Subscribe to the information of one or more given channels.
Syntax: SUBSCRIBE channel [channel ...]
Available versions: >= 2.0.0
Time complexity: O(N), where N is the number of subscribed channels.
Return: The information received.
redis SUBSCRIBE commandexample
# 订阅 msg 和 chat_room 两个频道 # 1 - 6 行是执行 subscribe 之后的反馈信息 # 第 7 - 9 行才是接收到的第一条信息 # 第 10 - 12 行是第二条 redis> subscribe msg chat_room Reading messages... (press Ctrl-C to quit) 1) "subscribe" # 返回值的类型：显示订阅成功 2) "msg" # 订阅的频道名字 3) (integer) 1 # 目前已订阅的频道数量 1) "subscribe" 2) "chat_room" 3) (integer) 2 1) "message" # 返回值的类型：信息 2) "msg" # 来源(从那个频道发送过来) 3) "hello moto" # 信息内容 1) "message" 2) "chat_room" 3) "testing...haha"