XML和JSON的比较

XML版本

<book>     <type>textbook</type>     <pages>256</pages>     <title>Programming Pearls 2nd Edition</title>     <description>The first edition of Programming Pearls was one of the most influential books I read early in my career...</description>     <rating>4.5</rating>     <coverType>paperback</coverType>     <genre>Computer Science</genre>     <author>Jon Bentley</author>     <publisher>Addison-Wesley Professional</publisher>     <copyright>1999</copyright></book>

JSON版本

{ "book": {     "type": "textbook",     "pages": "256",     "title": "Programming Pearls 2nd Edition",     "description": "The first edition of Programming Pearls was one of the most influential books I read early in my career...",     "rating": "4.5",     "coverType": "paperback",     "genre": "Computer Science",     "author": "Jon Bentley",     "publisher": "Addison-Wesley Professional",     "copyright": "1999"     } }

JSON声称相对XML有许多好处，包括：

• 容易阅读
• 解析速度更快
• 占用空间更少

JSON：JavaScript 对象表示法（JavaScript Object Notation）。

JSON 是存储和交换文本信息的语法。类似 XML。

JSON 比 XML 更小、更快，更易解析。