擅长:python、mysql、java
<p>导入<code>SignalManager</code>:</p>
<pre><code>from scrapy.signalmanager import SignalManager
</code></pre>
<p>然后更换:</p>
^{pr2}$
<p>有:</p>
<pre><code>SignalManager(dispatcher.Any).connect(self.spider_closed, signal=signals.spider_closed)
</code></pre>