如何在XML中添加带完整子结构的FeatureEntitlementDetail子元素

你当前的代码仅创建了空的FeatureEntitlementDetail节点，没有为其添加下层的子节点和对应文本值，所以生成的是自闭合标签。需要逐层创建所有层级的子节点并赋值，最后保存修改后的文件即可，完整实现代码如下：

import xml.etree.ElementTree  as ET

filename = "XYZ.xml"
xmlTree = ET.parse(filename)
root = xmlTree.getroot()

for element in root.iter('EnabledFeatureListForUsers'):
    # 逐层创建子节点
    new_entitlement = ET.SubElement(element, "FeatureEntitlementDetail")
    # 添加UserName节点并设置值
    user_name = ET.SubElement(new_entitlement, "UserName")
    user_name.text = "new@xyz.com" # 替换为实际需要的用户名
    # 添加FeatureList节点
    feature_list = ET.SubElement(new_entitlement, "FeatureList")
    # 添加FeatureDetail节点
    feature_detail = ET.SubElement(feature_list, "FeatureDetail")
    # 添加FeatureId节点并设置值
    feature_id = ET.SubElement(feature_detail, "FeatureId")
    feature_id.text = "Y" # 替换为实际需要的FeatureId值

# 可选：美化XML缩进（Python 3.9及以上版本原生支持）
ET.indent(xmlTree, space="    ")

# 保存修改后的XML文件
xmlTree.write(filename, encoding="utf-8", xml_declaration=True)

内容的提问来源于stack exchange，提问作者Saurabh Arora