XML中如何排序节点_XML节点排序的操作步骤与技巧

<xsl:for-each select="books/book">
  <xsl:sort select="title" order="ascending"/>
  <xsl:copy-of select="."/>
</xsl:for-each>

import xml.etree.ElementTree as ET
<p>tree = ET.parse('data.xml')
root = tree.getroot()</p><h1>获取目标父节点</h1><p>parent = root.find('books')</p>
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                <h1>按子节点的某个字段排序（如title）</h1><p>sorted_children = sorted(parent, key=lambda child: child.find('title').text)</p><h1>清除旧节点，插入新顺序</h1><p>for child in parent:
parent.remove(child)
for child in sorted_children:
parent.append(child)</p><p>tree.write('output.xml', encoding='utf-8', xml_declaration=True)

sorted_children = sorted(parent, key=lambda child: int(child.get('id')))