Detailed explanation of Python urlencode encoding and url splicing methods

urlencode calling method

The parameters of urlencode must be Dictionary

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Output:

name2=bbs.pythontab.com&name1=www.pythontab.com

is equivalent to splicing two url parameters. This usage is similar to http_build_query in PHP (), here is not how to use it in most PHP, if you are interested, check it out yourself.

urlencode encoding

Functionurlencode will not change the original encoding of the incoming parameters, which means that the encoding of the post or get parameters needs to be adjusted before calling.

Question: Now simulate requests to Google and Baidu. Since Baidu uses gb2312 encoding and Google uses utf8 encoding, the urlencode values ​​of the Chinese parameters submitted to the URL by the two sites are different. The following is " PythonTab Chinese Network" for example:

# coding: UTF-8
str = u'PythonTab中文网'
str = str.encode('gb2312')
d = {'name':str}
q = urllib.urlencode(d)
print q

Result:

name=PythonTab%D6%D0%CE%C4%CD%F8

Note: The parameter of urlencode must be Dictionary

Other usage

djangoThe urlencode is similar, the method is as follows:

from django.utils.http import urlquote
a = urlquote('PythonTab中文网')
print a

Get the GBK encoding of Chinese characters

urllib converts String

In fact, you can use the quote function of urllib Convert the Chinese in the URL and convert the Chinese into GBK encoding. The resulting encoding is a URL that conforms to the URI standard.

>>> import urllib
>>> a = "PythonTab中文网"
>>> a
'PythonTab\xe4\xb8\xad\xe6\x96\x87\xe7\xbd\x91'
>>> urllib.quote(a)
'PythonTab%E4%B8%AD%E6%96%87%E7%BD%91'
>>>

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