擅长:python、mysql、java
<blockquote>
<p>IndexError: list index out of range</p>
</blockquote>
<p>您需要首先检查列表在提取后是否有任何值</p>
<pre><code>item['name'] = product.xpath('//div[@class="name ng-binding"]').extract()
if item['name']:
item['name'] = item['name'][0]
</code></pre>