发送端：
import pika
connection = 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 python
import pika
import time
connection = 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()
