试验了一下python的urllib库以及js 的 encodeURIComponent 均不会替换。空格encode也是替换成了 '%20' 。python提供了urllib.quote_plus,urlib.unquote_plus来处理空格->加号,看起来还是比较合理的。 查了一下 RFC 3986: 有下面一段 Scheme names consist of a sequence of characters beginning with a letter and followed by any combination of letters,digits,plus ("+"),period ("."),or hyphen ("-"). RFC 2396 有下面的一段 The plus "+",dollar "$",and comma "," characters have been added to those in the "reserved" set,since they are treated as reserved within the query component. 表示加号已经是url的保留字了,不需要转义。 然后html4文档里才有关于加号的转义: application/x-www-form-urlencoded Forms submitted with this content type must be encoded as follows: Control names and values are escaped. Space characters are replaced by`+',and then reserved characters..... 声明只有content-type为application/x-www-form-urlencoded时才会对+做转义。 又翻了下php的文档,发现有一个 rawurlencode() - URL-encode according to RFC 3986 也就是php又搞了rawurlencode和rawurldecode把标准实现了。。。。 不能反一下么,毕竟大部分人应该都会用urlencode。php真是蛋疼啊。。。。 (编辑:李大同)
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