Python基础 之 Python3 XML 解析 4

Python3 XML 解析

Python 解析XML实例

实例

!/usr/bin/python3

import xml.sax

class MovieHandler( xml.sax.ContentHandler ):
def init(self):
self.CurrentData = ""
self.type = ""
self.format = ""
self.year = ""
self.rating = ""
self.stars = ""
self.description = ""

 # 元素开始调用
 def startElement(self, tag, attributes):
    self.CurrentData = tag
    if tag == "movie":
       print ("*****Movie*****")
       title = attributes["title"]
       print ("Title:", title)

 # 元素结束调用
 def endElement(self, tag):
    if self.CurrentData == "type":
       print ("Type:", self.type)
    elif self.CurrentData == "format":
       print ("Format:", self.format)
    elif self.CurrentData == "year":
       print ("Year:", self.year)
    elif self.CurrentData == "rating":
       print ("Rating:", self.rating)
    elif self.CurrentData == "stars":
       print ("Stars:", self.stars)
    elif self.CurrentData == "description":
       print ("Description:", self.description)
    self.CurrentData = ""

 # 读取字符时调用
 def characters(self, content):
    if self.CurrentData == "type":
       self.type = content
    elif self.CurrentData == "format":
       self.format = content
    elif self.CurrentData == "year":
       self.year = content
    elif self.CurrentData == "rating":
       self.rating = content
    elif self.CurrentData == "stars":
       self.stars = content
    elif self.CurrentData == "description":
       self.description = content

if ( name == "main"):

 # 创建一个 XMLReader
 parser = xml.sax.make_parser()
 # 关闭命名空间
 parser.setFeature(xml.sax.handler.feature_namespaces, 0)

 # 重写 ContextHandler
 Handler = MovieHandler()
 parser.setContentHandler( Handler )

 parser.parse("movies.xml")

以上代码执行结果如下：

*Movie*
Title: Enemy Behind
Type: War, Thriller
Format: DVD
Year: 2003
Rating: PG
Stars: 10
Description: Talk about a US-Japan war
*Movie*
Title: Transformers
Type: Anime, Science Fiction
Format: DVD
Year: 1989
Rating: R
Stars: 8
Description: A schientific fiction
*Movie*
Title: Trigun
Type: Anime, Action
Format: DVD
Rating: PG
Stars: 10
Description: Vash the Stampede!
*Movie*
Title: Ishtar
Type: Comedy
Format: VHS
Rating: PG
Stars: 2
Description: Viewable boredom