擅长:python、mysql、java
<p>在您的自定义<code>CSVItemExporter</code>中按如下方式设置:</p>
<pre><code>from scrapy.conf import settings
from scrapy.contrib.exporter import CsvItemExporter
class CSVkwItemExporter(CsvItemExporter):
def __init__(self, *args, **kwargs):
kwargs['fields_to_export'] = settings.getlist('EXPORT_FIELDS') or None
kwargs['encoding'] = settings.get('EXPORT_ENCODING', 'utf-8')
super(CSVkwItemExporter, self).__init__(*args, **kwargs)
self._join_multivalued = settings.get('MY_CSV_DELIMITER', ',')
</code></pre>
<p>其中<code>MY_CSV_DELIMITER</code>是分隔符的示例设置。在</p>