python 处理 xml

最新推荐文章于 2024-07-09 15:20:18 发布

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本文通过一个具体的Python脚本示例介绍了如何使用Python内置的xml.etree.ElementTree模块来解析XML文件。文中详细展示了如何获取XML节点属性、文本内容及查找特定节点的方法。

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<pre name="code" class="python">#!/usr/bin/env python
# encoding: utf-8
from xml.etree import ElementTree as tree

# 注意， 在xml的最前端 即<?xml version="1.0" encoding="UTF-8"?>前面不能有空格
xmlstr = """<?xml version="1.0" encoding="utf-8"?>  
<root>  
 <person age="18">  
    <name>hzj</name>  
    <sex>man</sex>  
 </person>  
 <person age="19" des="hello">  
    <name>kiki</name>  
    <sex>female</sex>  
 </person>  
</root>
"""
   
   
def print_node(node, search_attr):
    print node.attrib
    if node.attrib.has_key(search_attr):
        print node.attrib[search_attr]
    print "node.tag", node.tag
    print "node.text", node.text
    
def read_xml(text):
    root = tree.fromstring(text)
    
    person_node = root.getiterator("person")
    for node in person_node:
        print node.attrib
        
    person_node_childlist = person_node[0].getchildren()
    for child in person_node_childlist:
        print child.tag, child.text
        
    person_attr = "age"
    print_node(person_node_childlist[0], person_attr)
    
def test_find():
    root = tree.fromstring(xmlstr)
    personnode = root.find("person")
    print_node(personnode, "age")

def test_findall():   
    root = tree.fromstring(xmlstr)
    namelist = root.findall("person/name")
    for e in namelist:
        print e.tag, e.text

read_xml(xmlstr)
test_find()
test_findall()