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python ElementTree 基本读操作示例

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Release: 2016-06-16 08:47:32
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示例可以附件中下载
1.加载xml文件
加载XML文件共有2种方法,一是加载指定字符串,二是加载指定文件
2.获取element的方法
a) 通过getiterator
b) 过 getchildren
c) find方法
d) findall方法
示例如下:

复制代码 代码如下:

#-*- coding:utf-8 -*-
from xml.etree import ElementTree
def print_node(node):
'''''打印结点基本信息'''
print "=============================================="
print "node.attrib:%s" % node.attrib
if node.attrib.has_key("age") > 0 :
print "node.attrib['age']:%s" % node.attrib['age']
print "node.tag:%s" % node.tag
print "node.text:%s" % node.text
def read_xml(text):
'''''读xml文件'''
# 加载XML文件(2种方法,一是加载指定字符串,二是加载指定文件)
# root = ElementTree.parse(r"D:\test.xml")
root = ElementTree.fromstring(text)

# 获取element的方法
# 1 通过getiterator
lst_node = root.getiterator("person")
for node in lst_node:
print_node(node)

# 2通过 getchildren
lst_node_child = lst_node[0].getchildren()[0]
print_node(lst_node_child)

# 3 .find方法
node_find = root.find('person')
print_node(node_find)

#4. findall方法
node_findall = root.findall("person/name")[1]
print_node(node_findall)

if __name__ == '__main__':
# read_xml(open("test.xml").read())
write_xml(open("test.xml").read())
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