xml通过<>节点来区别数据结构
1 import xml.etree.ElementTree as ET 2 3 tree = ET.parse("xmltest.xml") 4 root = tree.getroot() 5 print(root.tag) 6 7 #遍历xml文档 8 for child in root: 9 print(child.tag, child.attrib) 10 for i in child: 11 print(i.tag,i.text) 12 13 #只遍历year 节点 14 for node in root.iter(‘year‘): 15 print(node.tag,node.text)
import xml.etree.ElementTree as ET
tree = ET.parse("xmltest.xml")
root = tree.getroot()
#修改
for node in root.iter(‘year‘):
new_year = int(node.text) + 1
node.text = str(new_year)
node.set("updated","yes")
tree.write("xmltest.xml")
#删除node
for country in root.findall(‘country‘):
rank = int(country.find(‘rank‘).text)
if rank > 50:
root.remove(country)
tree.write(‘output.xml‘)
1 import xml.etree.ElementTree as ET 2 3 4 new_xml = ET.Element("namelist") 5 name = ET.SubElement(new_xml,"name",attrib={"enrolled":"yes"}) 6 age = ET.SubElement(name,"age",attrib={"checked":"no"}) 7 sex = ET.SubElement(name,"sex") 8 sex.text = ‘33‘ 9 name2 = ET.SubElement(new_xml,"name",attrib={"enrolled":"no"}) 10 age = ET.SubElement(name2,"age") 11 age.text = ‘19‘ 12 13 et = ET.ElementTree(new_xml) #生成文档对象 14 et.write("test.xml", encoding="utf-8",xml_declaration=True) 15 16 ET.dump(new_xml) #打印生成的格式
原文：http://www.cnblogs.com/fang123456/p/7417316.html