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。