概述
如果我跑:
from lxml import etree
html = etree.parse('text.txt')
result = html.xpath('//title')
print(result)
我会得到一个空列表.
我想它与命名空间有关,但我无法弄清楚如何解决它.
with open('text.txt','r',encoding='utf8') as f:
text_html = f.read()
像这样:
from lxml import etree,html
def build_lxml_tree(_html):
tree = html.fromstring(_html)
tree = etree.ElementTree(tree)
return tree
tree = build_lxml_tree(text_html)
result = tree.xpath('//title')
print(result)
总结
以上是编程之家为你收集整理的python – lxml xpath返回一个空列表全部内容,希望文章能够帮你解决python – lxml xpath返回一个空列表所遇到的程序开发问题。
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