python实现xml转json文件的示例代码

一、

Python实现XML转JSON文件

本教程将介绍如何使用Python将XML文件转换为JSON格式的文件。

环境准备

首先你需要安装python 2.7或以上版本和pip。之后你可以使用以下命令安装所需模块：

pip install xmltodict
pip install json

实现过程

1. 导入所需模块

   python
import xmltodict
import json

2. 加载XML数据

   python
with open('sample.xml') as xml_file:
data_dict = xmltodict.parse(xml_file.read())
xml_file.close()

   这将把XML数据转换成一个Python字典。

3. 将字典转换成JSON

   python
json_data = json.dumps(data_dict, indent=4)

   这将把Python字典转换成JSON格式的字符串，并使用4个空格缩进。

4. 写入JSON文件

   python
with open('sample.json', 'w') as json_file:
json_file.write(json_data)
json_file.close()

   这将把JSON数据写入文件中。

至此，完成了将XML文件转换为JSON文件的整个过程。

二、

XML转JSON示例

以下是一个XML示例，本教程将演示如何将其转换为JSON格式。

<?xml version="1.0" encoding="UTF-8"?>
<catalog>
    <book id="bk101">
        <author>Gambardella, Matthew</author>
        <title>XML Developer's Guide</title>
        <price>44.95</price>
        <publish_date>2000-10-01</publish_date>
        <description>An in-depth look at creating applications 
        with XML.</description>
    </book>
    <book id="bk102">
        <author>Ralls, Kim</author>
        <title>Midnight Rain</title>
        <price>5.95</price>
        <publish_date>2000-12-16</publish_date>
        <description>A former architect battles corporate zombies, 
        an evil sorceress, and her own childhood to become queen 
        of the world.</description>
    </book>
</catalog>

使用上述代码，我们可以得到以下JSON文件：

{
    "catalog": {
        "book": [
            {
                "@id": "bk101",
                "author": "Gambardella, Matthew",
                "title": "XML Developer's Guide",
                "price": "44.95",
                "publish_date": "2000-10-01",
                "description": "An in-depth look at creating applications \n        with XML."
            },
            {
                "@id": "bk102",
                "author": "Ralls, Kim",
                "title": "Midnight Rain",
                "price": "5.95",
                "publish_date": "2000-12-16",
                "description": "A former architect battles corporate zombies, \n        an evil sorceress, and her own childhood to become queen \n        of the world."
            }
        ]
    }
}

以上是将XML转换为JSON的示例，同样的方法可以应用于任何XML文件。