为什么mailto在计划之后没有// [英] Why doesn't mailto has // after the scheme

问题描述

在编写库代码以生成URI字符串时，我对mailto感到困惑.根据 RFC 3986 的URI授权必须在//之前.权限是URI的一部分，其中userinfo和host驻留在userinfo @ host语法中.根据此RFC，格式应为:mailto://[e-mail].但是，它不仅用作mailto:[e-mail]，而且还在 RFC 2368 和 RFC 6068 .

While writing a library code to generate URI strings, I got confused about mailto. According to RFC 3986 authority for a URI must be preceded by //. Authority is the part of URI where the userinfo and host resides in userinfo@host syntax. According to this RFC the format should be: mailto://[e-mail]. However, it is used as mailto:[e-mail] not just in the wild but also shown like that in RFC 2368 and RFC 6068.

mailto作为URI的唯一方法是将电子邮件附加为路径，这没有多大意义.这个假设是正确的还是我遗漏了另一点?

The only way mailto being a URI is that the email is appended as path, which doesn't make much sense. Is this assumption correct or is there another point I am missing.

推荐答案

尽管mailto有点奇怪，但它似乎是一个URN.因此，在mailto:[e-mail]中，[e-mail]实际上是URI的路径，如 RFC 3986 所述a>

It seems that mailto is a URN, even if it feels a bit strange. Thus in mailto:[e-mail], [e-mail] is indeed path for URI as described in RFC 3986

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