消息推送系统

# 发送消息

import pika

connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))

channel = connection.channel()

channel.queue_declare(queue='hello')

channel.basic_publish(exchange='',

routing_key='hello',

body='Hello World!')

print(" [x] Sent 'Hello World!'")

connection.close()

# 接收消息

def callback(ch, method, properties, body):

print(" [x] Received %r" % body)

connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))

channel = connection.channel()

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channel.queue_declare(queue='hello')

channel.basic_consume(callback,

queue='hello',

no_ack=True)

print(' [*] Waiting for messages. To exit press CTRL+C')

channel.start_consuming()