python读取xml格式数据

# -*- coding: UTF-8 -*-
from xml.dom import minidom

dom=minidom.parse(‘F:\\python_project\\爬虫\\双色球\\shuangseqiu.xml‘)
root=dom.documentElement
#打印节点信息
print(root.nodeName)  #节点名称
print(root.nodeValue)  #节点值
print(root.nodeType)  #节点类型，如果是元素节点返回1，属性节点返回2

‘‘‘
#读取文本节点的值
names=root.getElementsByTagName(‘name‘)
ages=root.getElementsByTagName(‘age‘)
citys=root.getElementsByTagName(‘city‘)

print(names[0].firstChild.data)
print(ages[0].firstChild.data)
print(citys[0].firstChild.data)

‘‘‘

print(‘=============================‘)

#打印xml子节点
tags=root.getElementsByTagName(‘Row‘)
print(len(tags))
for item in tags:
    expect=item.getElementsByTagName(‘expect‘)[0].firstChild.data
    opencode=item.getElementsByTagName(‘opencode‘)[0].firstChild.data
    opentime=item.getElementsByTagName(‘opentime‘)[0].firstChild.data
    #print(type(expect))
    print(expect,opencode,opentime)


‘‘‘
#获取属性节点的值
logins=root.getElementsByTagName(‘login‘)
username=logins[0].getAttribute(‘username‘)
print(username)
password=logins[0].getAttribute(‘password‘)
print(password)
‘‘‘

dow=minidom.parse(‘F:\\python_project\\爬虫\\大乐透\\daletou.xml‘)
root=dow.documentElement
print(‘=============================‘)
rows=root.getElementsByTagName(‘row‘)
print(len(rows))
for  item in rows:
    expect=item.getAttribute(‘expect‘)
    opencode=item.getAttribute(‘opencode‘)
    opentime=item.getAttribute(‘opentime‘)
    print(expect,opencode,opentime)