8040 - python库【parsel】网页解析模块[爬虫相关]

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1. import requests
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2. import parsel
   
3. response = requests.get(url)
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4. sel = parsel.Selector(response.text)  #注意这里的S要大写
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5. # re正则
   
6. # print(sel.re('正则匹配格式'))
   
7. # xpath
   
8. # print(sel.xpath('xpath').getall()) #getall获取所有
   
9. # css选择器
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10. # print(sel.css('css选择器 ::text').extract_first())#获取第一个

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xpath课程讲义 https://www.runoob.com/xpath/xpath-syntax.html
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