Python使用xml.etree.ElementTree解析xml文件

o2geao · 发表于 2017-5-6 12:42:58

示例一、
data.xml
<?xml version="1.0" encoding="utf-8"?>
<info>
<intro>保存用户的信息</intro>
<list id='001'>
<head>jiaoshe_15</head>
<name>小丸子</name>
<number>12345678</number>
<age>44</age>
<sex>女</sex>
<hobby>上网，打游戏</hobby>
<note>我是一个来自广东深圳的女十，我期待和喜爱运动的你成为朋友</note>
</list>
<list>
<head>jiaoshe_12</head>
<name>功夫老伯</name>
<number>aa33678</number>
<age>78</age>
<sex>男</sex>
<hobby>功夫</hobby>
<note>我是一个老伯，我期待和喜爱运动的你成为朋友</note>
</list>
</info>

readxml.py
#!/usr/bin/env python
# -*- coding: UTF-8  -*-
'''
Created on 2010-4-14
@author: Administrator
'''
import os
import xml.etree.ElementTree as ET
#读取xml文件
def load_xml_file(filename):
root = ET.parse(filename).getroot()
#获取文件描述
intro = root.find('intro').text
print intro
all_users = root.findall('list')
for user in all_users:
head = user.find('head').text
name = user.find('name').text
sex = user.find('sex').text
print head,name,sex

if __name__ == '__main__':
workpath = os.getcwd()
# print workpath
load_xml_file(r'%s\webUI\data\data.xml' % workpath)

输出结果
保存用户的信息
jiaoshe_15 小丸子女
jiaoshe_12 功夫老伯男

示例二、
1、需要解析的文件app.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">

<property name="driverClassName">
<value>com.mysql.jdbc.Driver</value>
</property>

<property name="url">
<value>
jdbc:mysql://localhost:3306/tie?useUnicode=true&characterEncoding=utf-8
</value>
</property>

<property name="username">
<value>root</value>
</property>

<property name="password">
<value>123</value>
</property>
</bean>

<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>

<property name="mappingResources">
<list>
<value>com/alonely/vo/User.hbm.xml</value>
</list>
</property>
</bean>


<bean id="hibernateTemplate"
class="org.springframework.orm.hibernate3.HibernateTemplate">
<constructor-arg>
<ref local="sessionFactory" />
</constructor-arg>
</bean>

<bean id="userDAO" class="com.alonely.dao.UserDAO">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>

<bean id="userService" class="com.alonely.service.UserService">
<property name="userDAO">
<ref local="userDAO" />
</property>
</bean>

<bean name="/user" class="com.alonely.struts.action.UserAction">
<property name="userService">
<ref bean="userService" />
</property>
</bean>
</beans>

2、解析的代码etXml.py
# -*- coding:UTF-8 -*-
import xml.etree.ElementTree as ET
#获取所有<bean>节点
def getAllBean():
root = ET.parse('app.xml').getroot()
beans = root.findall('bean')
#显示所有bean
for bean in beans:
#       print ET.tostring(bean, 'UTF-8')
#       print '==========================================='
pass
return beans;
#获取所有property节点，以字典的的形式返回，属性名/property节点
def getAllProperty():
beans = getAllBean()
propList = {}
for bean in beans:
propertysE = bean.findall('property')
for prop in propertysE:
proname = prop.get('name')
propList[proname] = prop
#          print ET.tostring(prop, 'UTF-8')
#          print '==========================================='
return propList

#根据bean的属性id获取bean的class属性值
def getBeanClassAttr(beanid):
bean = getBeanById(beanid)
return bean.get('class')#获取节点属性为class的值
#根据id获取bean节点
def getBeanById(beanid):
beans = getAllBean()
for bean in beans:
id = bean.get('id')#获取属性名为id的值
if beanid == id:
return bean
#根据bean的属性id获取其所有property节点
def getPropertysByBeanid(beanid):
bean = getBeanById(beanid)
props = bean.findall('property')
return props;
#根据bean的属性id和property的名称获取实际值
def getPropertyValue(beanid,proname):
props = getPropertysByBeanid(beanid)
for prop in props:
name = prop.get('name')
if proname == name:
valueE = prop.find('value')
if valueE != None:
return valueE.text

if __name__ == '__main__':
print getPropertyValue('userService','userDAO')

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