#!/usr/bin/evn python
#coding: utf-8

import os,shutil
import sys
import xml.dom.minidom  

reload(sys)  
sys.setdefaultencoding('utf8')

Xml='/root/file/111.xml'
Txt='/root/file/111.txt'

DOMTree = xml.dom.minidom.parse(Xml)
annotation = DOMTree.documentElement  
objects = annotation.getElementsByTagName("DataGram")  
f = open(Txt, "w")

for object in objects:  
    bbox = object.getElementsByTagName("Attachment")[0]
    a1 = bbox.getElementsByTagName("AttachmentName")[0]
    if a1.childNodes == []:
        b1 = ''
    else:
        b1 = a1.childNodes[0].data
    
    a2 = bbox.getElementsByTagName("AttachmentType")[0]
    if a2.childNodes == []:
        b2 = ''
    else:
        b2 = a2.childNodes[0].data
    
    a3 = bbox.getElementsByTagName("AttachmentLocation")[0]  
    if a3.childNodes == []:
        b3 = ''
    else:
        b3 = a3.childNodes[0].data

    a4 = bbox.getElementsByTagName("AttachmentMessageType")[0]
    if a4.childNodes == []:
        b4 = ''
    else:
        b4 = a4.childNodes[0].data
    
    a5 = bbox.getElementsByTagName("AttachmentMessageSchemaVersion")[0]
    if a5.childNodes == []:
        b5 = ''
    else:
        b5 = a5.childNodes[0].data
            
    contents = b1+'|'+b2+'|'+b3+'|'+b4+'|'+b5+'\n'
    f.write(contents)
f.close()
print '**********'+Xml+' -success stop***********'

執行完成後，點開111.txt文件