python rabbitmq no_ack=false

发送端：

import pikaconnection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))channel = connection.channel()channel.queue_declare(queue='hello')# for i in range(100):channel.basic_publish(exchange='',                      routing_key='hello',                      body="hello world")# print("Sent 'hello world!'")connection.close()

接收端：

#!/usr/bin/env pythonimport pikaimport timeconnection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))channel = connection.channel()channel.queue_declare(queue='hello')# channel.queue_bind(queue='hello',exchange='',routing_key='hello')def callback(ch, method, properties, body):    print("aaa")    time.sleep(8)    print(" [x] Received %r" % body)channel.basic_consume(callback,                      queue='hello',                      no_ack=False)print(' [*] Waiting for messages. To exit press CTRL+C')channel.start_consuming()