1. urllib.parse
urlencode (对dict操作)
>>> from urllib import parse
>>> query = {
'name': 'walker',
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'age': 99,
}
>>> parse.urlencode(query)
'name=walker&age=99'
quote/quote_plus (对str操作)
>>> from urllib import parse
>>> parse.quote('a&b/c') #未编码斜线
'a%26b/c'
>>> parse.quote_plus('a&b/c') #编码了斜线
'a%26b%2Fc'
unquote/unquote_plus (对str操作)
from urllib import parse
>>> parse.unquote('1+2') #不解码加号
'1+2'
>>> parse.unquote('1+2') #把加号解码为空格
'1 2'