什么是正确的 JSON 内容类型? [英] What is the correct JSON content type?

问题描述

我一直在使用 JSON 一段时间，只是将其作为文本推出它没有伤害任何人(据我所知)，但我想开始正确地做事.

我见过这么多个所谓的标准"对于 JSON 内容类型:

application/json应用程序/x-javascript文本/javascript文本/x-javascript文本/x-json

但是哪个是正确的，还是最好的?我认为它们之间存在不同的安全和浏览器支持问题.

我知道有一个类似的问题，如果 REST API 返回 JSON，那么什么 MIME 类型?，但我想要一个更有针对性的答案.

解决方案

对于 JSON 文本:

应用程序/json

<块引用>

JSON 文本的 MIME 媒体类型是 application/json.默认编码为 UTF-8.^{(来源:RFC 4627)}

对于带有回调的 JSONP(可运行的 JavaScript):

应用程序/javascript

以下是相关评论中提到的一些博客文章:

• 为什么不应该将 text/html 用于 JSON
• Internet Explorer 有时会遇到 application/json
的问题
• 相当完整的 Mimetypes 列表以及它们的用途
• IANA 的官方 mime 类型列表来自@gnrfan 下面的回答

I've been messing around with JSON for some time, just pushing it out as text and it hasn't hurt anybody (that I know of), but I'd like to start doing things properly.

I have seen so many purported "standards" for the JSON content type:

application/json
application/x-javascript
text/javascript
text/x-javascript
text/x-json

But which one is correct, or best? I gather that there are security and browser support issues varying between them.

I know there's a similar question, What MIME type if JSON is being returned by a REST API?, but I'd like a slightly more targeted answer.

解决方案

For JSON text:

application/json

The MIME media type for JSON text is application/json. The default encoding is UTF-8. ^{(Source: RFC 4627)}

For JSONP (runnable JavaScript) with callback:

application/javascript

Here are some blog posts that were mentioned in the relevant comments:

• Why you shouldn't use text/html for JSON
• Internet Explorer sometimes has issues with application/json
• A rather complete list of Mimetypes and what to use them for
• The official mime type list at IANA from @gnrfan's answer below

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