【XML是什么意思】XML（eXtensible Markup Language）是一种用于存储和传输数据的标记语言。它由万维网联盟（W3C）于1998年推出，旨在提供一种灵活、可扩展的方式来描述和交换结构化数据。与HTML不同，XML不专注于显示内容，而是更注重数据的结构和含义。
以下是关于XML的基本信息总结：
| 项目 | 内容 |
| 全称 | eXtensible Markup Language（可扩展标记语言） |
| 定义 | 一种用于存储和传输结构化数据的标记语言 |
| 设计目的 | 提供一种通用、可扩展的数据格式，便于不同系统之间进行数据交换 |
| 特点 | - 可扩展性
- 自描述性
- 跨平台兼容性
- 支持复杂数据结构 |
| 应用场景 | 数据存储、数据交换、配置文件、Web服务、RSS订阅等 |
| 与HTML的区别 | HTML主要用于展示内容，而XML主要用于描述数据结构 |
| 语法要求 | 需要正确的标签闭合、大小写敏感、属性值必须加引号等 |
XML的核心思想是“数据即内容”，它通过自定义标签来表示数据的结构，使得数据可以被多种应用程序读取和处理。例如，在一个XML文档中，你可以定义一个``标签，并在其中包含``、`<author>`、`<price>`等子标签，从而清晰地表达一本书的信息。</p><p>由于其灵活性和通用性，XML在企业级应用、数据集成、Web服务等领域得到了广泛应用。尽管近年来JSON等格式逐渐流行，但XML在某些特定场景下依然具有不可替代的优势。</p><p>总之，XML是一种强大的数据描述工具，适用于需要结构化、可扩展数据交换的场合。理解XML的基本概念和使用方法，对于开发人员和数据处理人员来说都是非常重要的。</p><style>table,tr{width: 100%;text-align: center;color: #333;font-size: 16px;line-height: 1.8em;margin-bottom: 32px;border: 1px solid #333;empty-cells:show;}table tr th {border: 1px solid #333;text-align: center;font-weight: 600;background: #eee;}table tr td {border: 1px solid #333;text-align: center}</style> </div>
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