from xml.etree import ElementTree data = '''<?xml version="1.0" encoding="UTF-8"?> <data> <country name="Liechtenstein"> <rank>1</rank> <year>2008</year> <gdppc>141100</gdppc> <neighbor name="Austria" direction="E"/> <neighbor name="Switzerland" direction="W"/> </country> </data>''' # 遍历xml结构内容 tree = ElementTree.fromstring(data) print(type(tree)) for childa in tree: print(childa.tag,childa.text,childa.attrib) for child in childa: print(child.tag,child.text,child.attrib) print("%s"% "*"*60) #查找指定的tag名称 for rank in tree.iter("rank"): print(rank.tag,rank.text) for country in tree.findall("country"): rank = country.find("rank").text name = country.get("name") print(name,rank) print("%s"% "*"*60) #修改xml文件 for rank in tree.iter("rank"): new_rank = int(rank.text) + 10 rank.text = str(new_rank) rank.set("updated","yes") #写入文件 f = open("output.xml","wb") f.write(ElementTree.tostring(tree)) f.close()
python的xml读取库etree
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转载自www.cnblogs.com/ylsd80/p/10341540.html
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