發(fā)送端:
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import pika import sys connection = pika.BlockingConnection(pika.ConnectionParameters( host='localhost')) channel = connection.channel() channel.exchange_declare(exchange='logs',exchange_type='fanout') message = ' '.join(sys.argv[1:]) or "info: Hello World!" channel.basic_publish(exchange='logs', routing_key='', body=message) print(" [x] Sent %r" % message) connection.close()
接收端:
import pika connection = pika.BlockingConnection(pika.ConnectionParameters( host='localhost')) channel = connection.channel() channel.exchange_declare(exchange='logs', exchange_type='fanout') result = channel.queue_declare(exclusive=True) # 不指定queue名字,rabbit會隨機(jī)分配一個名字,exclusive=True會在使用此queue的消費者斷開后,自動將queue刪除 queue_name = result.method.queue print(queue_name) channel.queue_bind(exchange='logs', queue=queue_name) print(' [*] Waiting for logs. To exit press CTRL+C') def callback(ch, method, properties, body): print(" [x] %r" % body) channel.basic_consume(callback, queue=queue_name, no_ack=True) channel.start_consuming()
exchange不會保存數(shù)據(jù),如果沒客戶端接受,就丟棄,也就是說,客戶端會丟失啟動前發(fā)送端發(fā)送的數(shù)據(jù)。