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[Python] scrapy在采集网页时使用随机user-agent的方法 →→→→→
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来自 , 2021-01-11, 写在 Python, 查看 159 次.
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DOWNLOADER_MIDDLEWARES
=
{
'scrapy.contrib.downloadermiddleware.useragent.UserAgentMiddleware'
:
None
,
'Crawler.comm.rotate_useragent.RotateUserAgentMiddleware'
:
400
}
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DOWNLOADER_MIDDLEWARES = { 'scrapy.contrib.downloadermiddleware.useragent.UserAgentMiddleware' : None, 'Crawler.comm.rotate_useragent.RotateUserAgentMiddleware' :400 }
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