使用Python元素树解析XML
我有一个以下格式的XML文档使用Python元素树解析XML,python,xml,elementtree,Python,Xml,Elementtree,我有一个以下格式的XML文档 <root> <H D="14/11/2017"> <FC> <F LV="0">The quick</F> <F LV="1">brown</F> <F LV="2">fox</F> </FC> </H> <H D="14/11/2017"> <FC> <F LV="0"&
<root>
<H D="14/11/2017">
<FC>
<F LV="0">The quick</F>
<F LV="1">brown</F>
<F LV="2">fox</F>
</FC>
</H>
<H D="14/11/2017">
<FC>
<F LV="0">The lazy</F>
<F LV="1">fox</F>
</FC>
</H>
</root>
快车
棕色的
狐狸
懒汉
狐狸
如何从H标记内的“D”中提取文本,以及从F标记内提取所有文本。
我们可以通过读取文件来导入此数据:
或直接从字符串:
随后在同一页中,20.5.1.4。寻找有趣的元素:
for neighbor in root.iter('neighbor'):
print(neighbor.attrib)
这意味着:
import xml.etree.ElementTree as ET
root = ET.fromstring("""
<root>
<H D="14/11/2017">
<FC>
<F LV="0">The quick</F>
<F LV="1">brown</F>
<F LV="2">fox</F>
</FC>
</H>
<H D="14/11/2017">
<FC>
<F LV="0">The lazy</F>
<F LV="1">fox</F>
</FC>
</H>
</root>""")
# root = tree.getroot()
for h in root.iter("H"):
print (h.attrib["D"])
for f in root.iter("F"):
print (f.attrib, f.text)
您没有具体说明要使用什么,所以我建议将lxml用于python。要获得您想要的值,您有更多的可能性: 带循环:
from lxml import etree
tree = etree.parse('XmlTest.xml')
root = tree.getroot()
text = []
for element in root:
text.append(element.get('D',None))
for child in element:
for grandchild in child:
text.append(grandchild.text)
print(text)
from lxml import etree
tree = etree.parse('XmlTest.xml')
root = tree.getroot()
D = root.xpath("./H")
F = root.xpath(".//F")
for each in D:
print(each.get('D',None))
for each in F:
print(each.text)
输出:
['14/11/2017'、'quick'、'brown'、'fox'、'14/11/2017'、'lazy'、'fox']
使用xpath:
from lxml import etree
tree = etree.parse('XmlTest.xml')
root = tree.getroot()
text = []
for element in root:
text.append(element.get('D',None))
for child in element:
for grandchild in child:
text.append(grandchild.text)
print(text)
from lxml import etree
tree = etree.parse('XmlTest.xml')
root = tree.getroot()
D = root.xpath("./H")
F = root.xpath(".//F")
for each in D:
print(each.get('D',None))
for each in F:
print(each.text)
输出:
14/11/2017
14/11/2017
快车
棕色的
狐狸
懒汉
狐狸
两者都有各自的优势,但给你一个良好的起点。
我建议使用,因为当值为
失踪 这应该对你有帮助
import xml.etree.ElementTree as ET
data='''
<root>
<H D="14/11/2017">
<FC>
<F LV="0">The quick</F>
<F LV="1">brown</F>
<F LV="2">fox</F>
</FC>
</H>
<H D="14/11/2017">
<FC>
<F LV="0">The lazy</F>
<F LV="1">fox</F>
</FC>
</H>
</root>
'''
#list created to store data
D_data=[]
F_data=[]
#data parsed
root= ET.XML(data)
#This will get the value of D
for sub in root:
b=(sub.attrib.get('D'))
D_data.append(b)
#This will get all the text for F tag in xml
for f in root.iter("F"):
b=f.text
#print f.tag,f.attrib,f.text
F_data.append(b)
print D_data
print F_data
将xml.etree.ElementTree作为ET导入
数据=“”
快车
棕色的
狐狸
懒汉
狐狸
'''
#创建用于存储数据的列表
D_数据=[]
F_数据=[]
#解析的数据
root=ET.XML(数据)
#这将得到D的值
对于根目录中的子目录:
b=(sub.attrib.get('D'))
D_数据附加(b)
#这将获得xml中F标记的所有文本
对于根中的f.iter(“f”):
b=f.text
#打印f.tag、f.attrib、f.text
F_数据附加(b)
打印D_数据
打印F_数据
import xml.etree.ElementTree as ET
data='''
<root>
<H D="14/11/2017">
<FC>
<F LV="0">The quick</F>
<F LV="1">brown</F>
<F LV="2">fox</F>
</FC>
</H>
<H D="14/11/2017">
<FC>
<F LV="0">The lazy</F>
<F LV="1">fox</F>
</FC>
</H>
</root>
'''
#list created to store data
D_data=[]
F_data=[]
#data parsed
root= ET.XML(data)
#This will get the value of D
for sub in root:
b=(sub.attrib.get('D'))
D_data.append(b)
#This will get all the text for F tag in xml
for f in root.iter("F"):
b=f.text
#print f.tag,f.attrib,f.text
F_data.append(b)
print D_data
print F_data