# -*- coding: utf-8 -*-
# Author: Ztj
from common import channel
channel.exchange_declare(exchange='exchange_topic_exchange',
exchange_type='topic')
result = channel.queue_declare(exclusive=True)
queue_name = result.method.queue
channel.queue_bind(exchange='exchange_topic_exchange',
queue=queue_name,
routing_key='one.*')
def callback(ch, method, properties, body):
print(" [x] Received %r" % body)
channel.basic_consume(callback, queue=queue_name, no_ack=True)
print(' [*] Waiting for messages. To exit press CTRL+C')
channel.start_consuming()
# -*- coding: utf-8 -*-
# Author: Ztj
from common import channel
channel.queue_declare(queue='hello_queue')
def callback(ch, method, properties, body):
print(" [x] Received %r" % body)
channel.basic_consume(callback, queue='hello_queue', no_ack=True)
print(' [*] Waiting for messages. To exit press CTRL+C')
channel.start_consuming()
import requests
import parsel
from urllib.parse import urljoin
from common import channel, queue
urls = [
"https://www.phei.com.cn/xwxx/index_{}.shtml".format(i)
for i in range(1, 46)
]
urls.append("https://www.phei.com.cn/xwxx/index.shtml")
for url in urls:
# 翻页爬取
resp = requests.get(url)
sel = parsel.Selector(resp.content.decode("utf8"))
li = sel.css(".web_news_list ul li.li_b60")
for news in li:
link = news.css("a:first-child::attr('href')").extract_first()
full_link = urljoin(url, link) # 拼接完整 URL
# 将新闻资讯详情页 URL 发布到 RabbitMQ 队列
channel.queue_declare(queue=queue)
channel.basic_publish(exchange='',
routing_key=queue,
body='{}'.format(full_link))
print("[x] Sent '{}'".format(urljoin(url, link)))
# -*- coding: utf-8 -*-
# Author: Ztj
import time
from common import channel, connection, pika
channel.queue_declare(queue='persistent_queue')
body = 'Hello World! - %s' % time.time()
channel.basic_publish(
exchange='',
routing_key='persistent_routing_key',
body='Hello World! - %s' % time.time(),
properties=pika.BasicProperties(delivery_mode=2, ),
)
print(" [x] Sent '%s'" % body)
connection.close()
# -*- coding: utf-8 -*-
# Author: Ztj
from common import channel, pika
channel.queue_declare(queue='rpc_queue')
def on_request(ch, method, props, body):
print(" [x] body - %r" % body)
response = 'reply'
ch.basic_publish(
exchange='',
routing_key=props.reply_to,
properties=pika.BasicProperties(correlation_id=props.correlation_id),
body=response)
ch.basic_ack(delivery_tag=method.delivery_tag)
channel.basic_qos(prefetch_count=1)
channel.basic_consume(on_request, queue='rpc_queue')
print(" [x] Awaiting RPC requests")
channel.start_consuming()