urlencode - In a URL, should spaces be encoded using %20 or +?

Question

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 Answer

深蓝 · Answer 1 · 2021-10-16T22:31:07+0000

Form data (for GET or POST) is usually encoded as application/x-www-form-urlencoded: this specifies + for spaces.

URLs are encoded as RFC 1738 which specifies %20.

In theory I think you should have %20 before the ? and + after:

example.com/foo%20bar?foo+bar