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marchtea / scrapy_doc_chs

scrapy中文翻译文档
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Update selectors.rst #87

Open toddlerya opened 7 years ago

toddlerya commented 7 years ago

fix error

  1. response.xpath('//div/[id="not-exists"]/text()').extract_first() is None ==> response.xpath('//div[@id="not-exists"]/text()').extract_first() is None
  2. sel.xpath('//div/[id="not-exists"]/text()').extract_first(default='not-found') ==> response.xpath('//div[@id="not-exists"]/text()').extract_first(default='not-found')