rabbitmq_有选择发送接收_消息过滤

消费者_consumer_recive_有选择的接收消息 import pika import sys  connection = pika.BlockingConnection(pika.ConnectionParameters(     host='localhost')) channel = connection.channel()  channel.exchange_declare(exchange='direct_logs',                          exchange_type='direct')  result = channel.queue_declare(exclusive=True) queue_name = result.method.queue  severities = sys.argv[1:] if not severities:     sys.stderr.write("Usage: %s [info] [warning] [error]\n" % sys.argv[0])     sys.exit(1)  print(severities) for severity in severities:     channel.queue_bind(exchange='direct_logs',                        queue=queue_name,                        routing_key=severity)  print(' [*] Waiting for logs. To exit press CTRL+C')  def callback(ch, method, properties, body):     print(" [x] %r:%r" % (method.routing_key, body))  channel.basic_consume(callback,                       queue=queue_name,                       no_ack=True)  channel.start_consuming()

生产者_procedure_send_更详细的的过滤发送 import pika import sys  connection = pika.BlockingConnection(pika.ConnectionParameters(     host='localhost')) channel = connection.channel()  channel.exchange_declare(exchange='topic_logs',                          exchange_type='topic')  routing_key = sys.argv[1] if len(sys.argv) > 1 else 'anonymous.info' message = ' '.join(sys.argv[2:]) or 'Hello World!' channel.basic_publish(exchange='topic_logs',                       routing_key=routing_key,                       body=message) print(" [x] Sent %r:%r" % (routing_key, message)) connection.close()

消费者_consumer_recive更详细的过滤接收 import pika import sys  connection = pika.BlockingConnection(pika.ConnectionParameters(     host='localhost')) channel = connection.channel()  channel.exchange_declare(exchange='topic_logs',                          exchange_type='topic')  result = channel.queue_declare(exclusive=True) queue_name = result.method.queue  binding_keys = sys.argv[1:] if not binding_keys:     sys.stderr.write("Usage: %s [binding_key]...\n" % sys.argv[0])     sys.exit(1)  for binding_key in binding_keys:     channel.queue_bind(exchange='topic_logs',                        queue=queue_name,                        routing_key=binding_key)  print(' [*] Waiting for logs. To exit press CTRL+C')   def callback(ch, method, properties, body):     print(" [x] %r:%r" % (method.routing_key, body))   channel.basic_consume(callback,                       queue=queue_name,                       no_ack=True)  channel.start_consuming()