day05_07 xml处理.py

__author__ = "Alex Li"

import xml.etree.ElementTree as ET

tree = ET.parse("xmltest.xml")
root = tree.getroot()
print(root)
print(root.tag)


# 遍历xml文档
# for child in root:
#     print(child.tag, child.attrib)
#     for i in child:
#         print(i.tag, i.text,i.attrib)
#         for j in i:
#             print(j.tag, j.text)

# 只遍历year 节点
for node in root.iter('year'):
    print(node.tag, node.text)
for node in root.iter('population'):
    print(node.tag, node.text)

xmltest.xml

<data>
    <country name="Liechtenstein">
        <rank updated="yes">2</rank>
        <year updated_by="Alex">2011</year>
        <gdppc>141100</gdppc>
        <neighbor direction="E" name="Austria" />
        <neighbor direction="W" name="Switzerland" />
    </country>
    <country name="Singapore">
        <rank updated="yes">5</rank>
        <year updated_by="Alex">2014</year>
        <gdppc>59900</gdppc>
        <neighbor direction="N" name="Malaysia" />
    </country>
    <country name="Panama">
        <rank updated="yes">69</rank>
        <year updated_by="Alex">2014</year>
        <gdppc>13600</gdppc>
        <neighbor direction="W" name="Costa Rica" />
        <neighbor direction="E" name="Colombia" />
        <info direction="W" name="Costa Rica">
            <population>8</population>
            <size>960</size>
        </info>
    </country>
</data>