redis发送订阅

订阅者

shanghaimei@shanghaimei:~$ redis-cli
127.0.0.1:6379> SUBSCRIBE wechat
Reading messages... (press Ctrl-C to quit)
1) "subscribe"
2) "wechat"
3) (integer) 1

发送者

127.0.0.1:6379> PUBLISH wechat "hello!"
(integer) 1
127.0.0.1:6379> PUBLISH wechat "Nice to meet you!"
(integer) 1

订阅者

1) "message"
2) "wechat"
3) "hello!"
1) "message"
2) "wechat"
3) "Nice to meet you!"

python实现 (help类)

import redis

class RedisHelper:
    def __init__(self):
        self.__conn = redis.Redis(host='********')
        self.chan_sub = 'test'
        self.chan_pub= 'test'

#发送消息
    def public(self,msg):
        self.__conn.publish(self.chan_pub,msg)
        return True
#订阅
    def subscribe(self):
        #打开收音机
        pub = self.__conn.pubsub()
        #调频道
        pub.subscribe(self.chan_sub)
        #准备接收
        pub.parse_response()
        return pub

订阅者

from  redishelper import RedisHelper
obj = RedisHelper()
redis_sub = obj.subscribe()

while True:
    msg = redis_sub.parse_response()
    print('接收：',msg)

发布者

from  redishelper import RedisHelper
obj = RedisHelper()
obj.public('*********') #发送的内容

原文地址:https://www.cnblogs.com/gaizhongfeng/p/8109982.html