本文实例讲述了使用Python生成XML的方法。分享给大家供大家参考，具体如下：
1. bookstore.py
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#encoding:utf-8'''根据一个给定的XML Schema，使用DOM树的形式从空白文件生成一个XML。'''from xml.dom.minidom import Documentdoc = Document() #创建DOM文档对象bookstore = doc.createElement('bookstore') #创建根元素bookstore.setAttribute('xmlns:xsi',"http://www.w3.org/2001/XMLSchema-instance")#设置命名空间bookstore.setAttribute('xsi:noNamespaceSchemaLocation','bookstore.xsd')#引用本地XML Schemadoc.appendChild(bookstore)############book:Python处理XML之Minidom################book = doc.createElement('book')book.setAttribute('genre','XML')bookstore.appendChild(book)title = doc.createElement('title')title_text = doc.createTextNode('Python处理XML之Minidom') #元素内容写入title.appendChild(title_text)book.appendChild(title)author = doc.createElement('author')book.appendChild(author)author_first_name = doc.createElement('first-name')author_last_name = doc.createElement('last-name')author_first_name_text = doc.createTextNode('张')author_last_name_text = doc.createTextNode('三')author.appendChild(author_first_name)author.appendChild(author_last_name)author_first_name.appendChild(author_first_name_text)author_last_name.appendChild(author_last_name_text)book.appendChild(author)price = doc.createElement('price')price_text = doc.createTextNode('28')price.appendChild(price_text)book.appendChild(price)############book1:Python写网站之Django####################book1 = doc.createElement('book')book1.setAttribute('genre','Web')bookstore.appendChild(book1)title1 = doc.createElement('title')title_text1 = doc.createTextNode('Python写网站之Django')title1.appendChild(title_text1)book1.appendChild(title1)author1 = doc.createElement('author')book.appendChild(author1)author_first_name1 = doc.createElement('first-name')author_last_name1 = doc.createElement('last-name')author_first_name_text1 = doc.createTextNode('李')author_last_name_text1 = doc.createTextNode('四')author1.appendChild(author_first_name1)author1.appendChild(author_last_name1)author_first_name1.appendChild(author_first_name_text1)author_last_name1.appendChild(author_last_name_text1)book1.appendChild(author1)price1 = doc.createElement('price')price_text1 = doc.createTextNode('40')price1.appendChild(price_text1)book1.appendChild(price1)########### 将DOM对象doc写入文件f = open('bookstore.xml','w')f.write(doc.toprettyxml(indent = ''))f.close() |
2. bookstore.xsd
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<?xml version="1.0" encoding="utf-8"?><xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"> <xsd:element name="bookstore" type="bookstoreType"/> <xsd:complexType name="bookstoreType"> <xsd:sequence maxOccurs="unbounded"> <xsd:element name="book" type="bookType"/> </xsd:sequence> </xsd:complexType> <xsd:complexType name="bookType"> <xsd:sequence> <xsd:element name="title" type="xsd:string"/> <xsd:element name="author" type="authorName"/> <xsd:element name="price" type="xsd:decimal"/> </xsd:sequence> <xsd:attribute name="genre" type="xsd:string"/> </xsd:complexType> <xsd:complexType name="authorName"> <xsd:sequence> <xsd:element name="first-name" type="xsd:string"/> <xsd:element name="last-name" type="xsd:string"/> </xsd:sequence> </xsd:complexType></xsd:schema> |
3. 根据上面的XML Schema用Python minidom生成的XML
bookstore.xml
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<?xml version="1.0" ?><bookstore xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="bookstore.xsd"> <book genre="XML"> <title> Python处理XML之Minidom </title> <author> <first-name> 张 </first-name> <last-name> 三 </last-name> </author> <price> 28 </price> </book> <book genre="Web"> <title> Python写网站之Django </title> <author> <first-name> 李 </first-name> <last-name> 四 </last-name> </author> <price> 40 </price> </book></bookstore> |
希望本文所述对大家Python程序设计有所帮助。
