擅长:python、mysql、java
<p><code>CrawlSpider</code>从<code>Spider</code>继承,<code>init_request</code>在从{<cd4>}继承时有效。所以你需要在下面换衣服</p>
<pre><code>def init_request(self):
"""This function is called before crawling starts"""
return Request(url=self.login_page, callback=self.login)
</code></pre>
<p>到</p>
^{pr2}$
<p>接下来,<code>response.body</code>中得到的响应将是字节。所以你需要改变</p>
<pre><code>if "Dashboard" in response.body:
</code></pre>
<p>到</p>
<pre><code>if b"Dashboard" in response.body:
</code></pre>