python xml.etree.ElementTree遍历xml所有节点实例详解

<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> 

#-*- 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,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,'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,result_list) 
 
  return result_list 
 
if __name__ == '__main__': 
  file_name = 'test.xml' 
  R = getXmlData(file_name) 
  for x in R: 
    print x 
  pass 

[1,'students',{}] 
[2,2,'student',{'age': '35','name': u'u5218u5907','sex': u'u7537'}] 
[3,{'age': '38','name': u'u5415u5e03','sex': u'u7537'}] 
[4,{'age': '22','name': u'u8c82u8749','sex': u'u5973'}]