用python和xml.etree.ElementTree解析XML

import xml.etree.ElementTree as ET

tree = ET.parse('file.xml')

root = tree.getroot()

<bookstore>
  <book category="cooking">
    <title lang="en">Italian Recipes</title>
    <author>John Doe</author>
    <year>2019</year>
    <price>20.00</price>
  </book>
  <book category="programming">
    <title lang="en">Python Programming</title>
    <author>Jane Smith</author>
    <year>2020</year>
    <price>25.00</price>
  </book>
</bookstore>

import xml.etree.ElementTree as ET

# 解析XML文件
tree = ET.parse('books.xml')
root = tree.getroot()

# 遍历bookstore元素的子元素
for book in root:
    # 获取book元素的category属性值
    category = book.get('category')
    print('Category:', category)
    
    # 获取title元素的文本内容
    title = book.find('title').text
    print('Title:', title)
    
    # 获取author元素的文本内容
    author = book.find('author').text
    print('Author:', author)
    
    # 获取year元素的文本内容
    year = book.find('year').text
    print('Year:', year)
    
    # 获取price元素的文本内容
    price = book.find('price').text
    print('Price:', price)
    
    print('---')

Category: cooking
Title: Italian Recipes
Author: John Doe
Year: 2019
Price: 20.00
---
Category: programming
Title: Python Programming
Author: Jane Smith
Year: 2020
Price: 25.00
---