点击这里成为作者 · 更新于 2017-10-23 15:00:28

URI 和 URL?

URIs identify and URLs locate (on network); however, locators are also identifiers.

So all URLs are URIs (actually not quite - see below), and all URNs are URIs - but URNs and URLs are different, so you can't say that all URIs are URLs.

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