【RabbitMQ】【Python】 Hello World_rmq python helloworld-优快云博客

本文链接：https://blog.youkuaiyun.com/qq_29757283/article/details/88971648

本文介绍如何使用Python与RabbitMQ结合来发送和接收消息。通过具体的代码示例，演示了如何创建连接、声明队列、发送消息及接收消息的基本流程。适用于初学者快速上手RabbitMQ消息队列。

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Hello World by RabbitMQ in Python

环境

Today: 2019/04/02

Ubuntu – 18.04

RabbitMQ – 3.6.10

apt install erlang erlang-nox
apt install rabbitmq-server --fix-missing
sudo rabbitmqctl status

Python – 3.6.7

pika – 1.0.0

pip install --user pika

Hello World

https://www.rabbitmq.com/tutorials/tutorial-one-python.html

send

#!/usr/bin/env python3
import sys
import pika

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

channel.queue_declare(queue='hello')

try:
    msg = sys.argv[1]
except:
    msg = "Hello World!"

channel.basic_publish(
    exchange='',
    routing_key='hello',
    body=msg)

print(" [x] Sent '{}'".format(msg))
connection.close()

receive

#!/usr/bin/env python3
import pika

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

channel.queue_declare(queue='hello')


def callback(ch, method, properties, body):
    body = body.decode()
    if body == "quit":
        ch.basic_cancel(consumer_tag='hello')
        ch.stop_consuming()
    else:
        print(" [x] Received %r" % body)


channel.basic_consume(
    queue='hello', on_message_callback=callback, auto_ack=True)

print(' [*] Waiting for messages......')
print('\tTo exit press CTRL+C, or send "quit" message')
channel.start_consuming()