python Python 3在打印XML DOM文档时出现了皱纹，因为数据类型为字节，必须显式解码为字符串。这里

Posted 2021-05-09

import io

# Note: xml.etree.cElementTree has been deprecated.
from xml.etree.ElementTree import Element, ElementTree

foo = Element('foo')
bar = Element('bar')
bar.text = 'baz'

foo.append(bar)

doc = ElementTree(foo)

b = io.BytesIO()
doc.write(b)

print(b.getvalue().decode('utf-8'))

"""
<foo><bar>baz</bar></foo>
"""