python2.7 urllib和urllib2
- urllib模块url编码和解码:
1.urllib.quote,urllib.quote_plus ,urllib.unquote ,urllib.unquote_plus
urllib.quote 说明:
quote(s, safe = '/' ) quote( 'abc def' ) - > 'abc%20def' Each part of a URL, e.g. the path info, the query, etc., has a different set of reserved characters that must be quoted. RFC 2396 Uniform Resource Identifiers (URI): Generic Syntax lists the following reserved characters. reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | "$" | "," Each of these characters is reserved in some component of a URL, but not necessarily in all of them. By default, the quote function is intended for quoting the path section of a URL. Thus, it will not encode '/' . This character is reserved, but in typical usage the quote function is being called on a path where the existing slash characters are used as reserved characters. (END) |
urllib.quote_plus 说明:
quote_plus(s, safe = '') Quote the query fragment of a URL; replacing ' ' with '+' |
实例演示:
In [ 18 ]: urllib.quote( 'abc def' ) Out[ 18 ]: 'abc%20def' In [ 19 ]: urllib.quote_plus( 'abc def' ) Out[ 19 ]: 'abc+def' |
2.urllib.urlencode
urlencode(query, doseq = 0 ) Encode a sequence of two - element tuples or dictionary into a URL query string. If any values in the query arg are sequences and doseq is true, each sequence element is converted to a separate parameter. If the query arg is a sequence of two - element tuples, the order of the parameters in the output will match the order of parameters in the input . (END) |
实例演示:
In [ 21 ]: urllib.urlencode({ 'username' : 'xixi' , 'passward' : 'haha' }) Out[ 21 ]: 'username=xixi&passward=haha' In [ 23 ]: urllib.urlencode((( 'username' , '嘻嘻' ),( 'passward' , '哈哈' ))) Out[ 23 ]: 'username=%E5%98%BB%E5%98%BB&passward=%E5%93%88%E5%93%88' |
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