我的代码是:
import xml.etree.ElementTree as ET from lxml import etree var1 = '<name>This is my text</name>' page = etree.Element('first') doc = etree.ElementTree(page) second = etree.SubElement(page, 'second') second.text = var1 doc.write('a.xml', xml_declaration=True, encoding='utf-8')我的输出是:
<?xml version='1.0' encoding='UTF-8'?> <first><second><name>This is my text</name></second></first>我想要的输出是:
<?xml version='1.0' encoding='UTF-8'?> <first><second><name>This is my text</name></second></first>实际上,我想通过变量创建子元素,但我不知道我们的变量中有多少个可用元素.这仅出于测试目的,因此请注意这一点.
Actually, I want to create sub-element through variable and I don't know how many elements are available in our variable. this is only for test purpose so please take care of this.
推荐答案无法通过将子元素作为XML标记字符串提供来创建子元素.就像<second>一样,必须使用SubElement创建<name>元素.
It is not possible to create a subelement by supplying it as a string of XML markup. The <name> element has to be created using SubElement, just like <second>.
以下代码产生所需的输出:
The following code produces the desired output:
from lxml import etree page = etree.Element('first') second = etree.SubElement(page, 'second') name = etree.SubElement(second, 'name') name.text = "This is my text" doc = etree.ElementTree(page) doc.write('a.xml', xml_declaration=True, encoding='utf-8')另一种方法是将<name>This is my text</name>字符串解析为Element对象,并将其附加到父对象:
An alternative is to parse the <name>This is my text</name> string into an Element object and append it to the parent:
from lxml import etree var1 = '<name>This is my text</name>' name = etree.fromstring(var1) page = etree.Element('first') second = etree.SubElement(page, 'second') second.append(name) doc = etree.ElementTree(page) doc.write('b.xml', xml_declaration=True, encoding='utf-8')更多推荐
如何通过python 3.6.5中的变量创建子元素
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