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python xml.etree.ElementTree遍历xml所有节点
XML文件内容：
<students> <student name='刘备' sex='男' age='35'/> <student name='吕布' sex='男' age='38'/> <student name='貂蝉' sex='女' age='22'/> </students></div>
代码：
#-*- coding: UTF-8 -*-
# 从文件中读取数据
import xml.etree.ElementTree as ET
#全局唯一标识
unique_id = 1
#遍历所有的节点
def walkData(root_node, level, result_list):
global unique_id
temp_list =[unique_id, level, root_node.tag, root_node.attrib]
result_list.append(temp_list)
unique_id += 1
#遍历每个子节点
children_node = root_node.getchildren()
if len(children_node) == 0:
return
for child in children_node:
walkData(child, level + 1, result_list)
return
#获得原始数据
#out:
#[
# #ID, Level, Attr Map
# [1, 1, {'ID':1, 'Name':'test1'}],
# [2, 1, {'ID':1, 'Name':'test2'}],
#]
def getXmlData(file_name):
level = 1 #节点的深度从1开始
result_list = []
root = ET.parse(file_name).getroot()
walkData(root, level, result_list)
return result_list
if __name__ == '__main__':
file_name = 'test.xml'
R = getXmlData(file_name)
for x in R:
print x
pass
</div>
输出结果：
[1, 1, 'students', {}]
[2, 2, 'student', {'age': '35', 'name': u'\u5218\u5907', 'sex': u'\u7537'}]
[3, 2, 'student', {'age': '38', 'name': u'\u5415\u5e03', 'sex': u'\u7537'}]
[4, 2, 'student', {'age': '22', 'name': u'\u8c82\u8749', 'sex': u'\u5973'}]
</div>
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