擅长:python、mysql、java
<p>我建议你每次发送消息前都要检查连接,如果连接被关闭,那么只需重新连接。在</p>
<pre><code>if not self.connection or self.connection.is_closed:
self.connection = pika.BlockingConnection(pika.ConnectionParameters(host=self.host, credentials=self.credentials))
channel = self.connection.channel()
channel.exchange_declare(exchange=self.exchange_name, exchange_type='fanout')
</code></pre>