擅长:python、mysql、java
<p>DOM标准中没有这样的函数,不。您可能希望改用<a href="http://lxml.de/" rel="nofollow">^{<cd1>} library</a>并使用XPath表达式:</p>
<pre><code>from lxml import etree
tree = etree.parse(filename)
for element in tree.xpath('./root/child/grandchild'):
</code></pre>
<p><code>lxml</code>构建在<a href="https://docs.python.org/2/library/xml.etree.elementtree.html" rel="nofollow">ElementTree API</a>之上,而不是(古老的)domapi之上。标准库ElementTree API实现也支持有限的XPath表达式搜索:</p>
<pre><code>from xml.etree import ElementTree
tree = ElementTree.parse(filename):
for element in tree.find('./root/child/grandchild'):
</code></pre>