有一段html文本
<html> <head> <title>这是标题</title> </head> <body> <div>这是内容</div> <div>要移除的内容</div> </body> </html>
我希望把 <div>要移除的内容</div> 移除
安装lxml
pip install lxml
代码实例
# -*- coding: utf-8 -*- from lxml import etree text = """ <html> <head> <title>这是标题</title> </head> <body> <div>这是内容</div> <div>要移除的内容</div> </body> </html>""" tree = etree.fromstring(text) # 返回一个列表 remove_tags = tree.xpath('//div[last()]') if remove_tags: remove_tag = remove_tags[0] remove_tag.getparent().remove(remove_tag) print(etree.tounicode(tree)) """ <html> <head> <title>这是标题</title> </head> <body> <div>这是内容</div> </body> </html> """
最后也实现了我的要求，可以封装为单独的函数，以便调用
from lxml import html, etree def remove_elements(html, xpath): """ 移除html 文本中的元素 :param html: str :param xpath: str :return: str """ # tree = etree.fromstring(html) tree = html.fragment_fromstring(f'<div>{text}</div>') # 返回一个列表 remove_tags = tree.xpath(xpath) for remove_tag in remove_tags: remove_tag.getparent().remove(remove_tag) return etree.tounicode(tree) if __name__ == '__main__': text = """ <html> <head> <title>这是标题</title> </head> <body> <div>这是内容</div> <div>要移除的内容</div> </body> </html>""" print(remove_elements(text, '//div[last()]'))
