#conding:utf-8

# -*- coding:utf-8 -*-

__author__ = 'hdfs'

"""

XML 解析 ：DOM解析珍整个文档作为一个可遍历的对象 提交给应用程序，dom解析会将文档全部load进内存，这样对于大型的xml可能性能不多好。

"""

import pprint

import xml.dom.minidom

from xml.dom.minidom import Node

doc=xml.dom.minidom.parse('books.xml')

mapping={}

#遍历DOM对象

for node in doc.getElementsByTagName("book"):

    #获取属性

    isbn=node.getAttribute('isbn')

    #子节点

    L=node.getElementsByTagName('title')

    for node2 in L:

        title=""

        for node3 in node2.childNodes:

            #Node.Text_NODE:文字节点,

            if node3.nodeType == Node.TEXT_NODE:

                title+=node3.data

        mapping[isbn]=title

pprint.pprint(mapping)

<catalog>

    <book isbn="0-596-00128-2">

        <title>Python &amp; XML</title>

        <title>Python &amp; HTML</title>

        <date>December 2001</date>

        <author>Jones, Drake</author>

    </book>

    <book isbn="0-596-15810-6">

        <title>Programming Python, 4th Edition</title>

        <date>October 2010</date>

        <author>Lutz</author>

    </book>

    <book isbn="0-596-15806-8">

        <title>Learning Python, 4th Edition</title>

        <date>September 2009</date>

        <author>Lutz</author>

    </book>

    <book isbn="0-596-15808-4">

        <title>Python Pocket Reference, 4th Edition</title>

        <date>October 2009</date>

        <author>Lutz</author>

    </book>

    <book isbn="0-596-00797-3">

        <title>Python Cookbook, 2nd Edition</title>

        <date>March 2005</date>

        <author>Martelli, Ravenscroft, Ascher</author>

    </book>

    <book isbn="0-596-10046-9">

        <title>Python in a Nutshell, 2nd Edition</title>

        <date>July 2006</date>

        <author>Martelli</author>

    </book>

    <!-- plus many more Python books that should appear here -->

</catalog>