[英]Parsing XML Using minidom
I have an XML file in which I want to extract data from certain tags that are ONLY nested within other tags, ie the tags containing the data I want to extract occur elsewhere in the XML document.我有一个 XML 文件,我想从仅嵌套在其他标签中的某些标签中提取数据,即包含我要提取的数据的标签出现在 XML 文档的其他地方。
Sample XML:样品 XML:
<root>
<tag1>content I don't want</tag1>
<tag2>content I don't want</tag2>
<tag3>content I don't want</tag3>
<item>
<tag1>content I want</tag1>
<tag2>content I want</tag2>
<tag3>content I want</tag3>
</item>
<item>
<tag1>content I want</tag1>
<tag2>content I want</tag2>
<tag3>content I want</tag3>
</item>
</root>
Python code (which retrieves all data, including from the tags I don't want): Python 代码(检索所有数据,包括我不想要的标签):
for counter in range(2):
variable0 = XML_Document.getElementsByTagName('item')[counter]
variable1 = XML_Document.getElementsByTagName('tag1')[counter].toxml(encoding="utf-8")
variable2 = XML_Document.getElementsByTagName('tag2')[counter].toxml(encoding="utf-8")
variable3 = XML_Document.getElementsByTagName('tag3')[counter].toxml(encoding="utf-8")
print counter
print variable1
print variable2
print variable3
How do I modify the loop to access only the data in the tags nested in the item tags only?如何修改循环以仅访问嵌套在项目标签中的标签中的数据?
You can always call getElementsByTagName()
on any subnode:您始终可以在任何子节点上调用getElementsByTagName()
:
for item in XML_Document.getElementsByTagName('item'):
tag1 = item.getElementsByTagName('tag1')[0].toxml(encoding="utf-8")
tag2 = item.getElementsByTagName('tag2')[0].toxml(encoding="utf-8")
tag3 = item.getElementsByTagName('tag3')[0].toxml(encoding="utf-8")
print tag1, tag2, tag3
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.