如何在Python中将字符串转换为utf-8 [英] How to convert a string to utf-8 in Python

问题描述

我有一个浏览器，该浏览器将utf-8字符发送到我的Python服务器，但是当我从查询字符串中检索到它时，Python返回的编码为ASCII.如何将纯字符串转换为utf-8?

I have a browser which sends utf-8 characters to my Python server, but when I retrieve it from the query string, the encoding that Python returns is ASCII. How can I convert the plain string to utf-8?

注意:从网络传递的字符串已经是UTF-8编码的，我只想让Python将其视为UTF-8而不是ASCII.

NOTE: The string passed from the web is already UTF-8 encoded, I just want to make Python to treat it as UTF-8 not ASCII.

推荐答案

>>> plain_string = "Hi!"
>>> unicode_string = u"Hi!"
>>> type(plain_string), type(unicode_string)
(<type 'str'>, <type 'unicode'>)

^这是字节字符串(plain_string)和unicode字符串之间的区别.

^ This is the difference between a byte string (plain_string) and a unicode string.

>>> s = "Hello!"
>>> u = unicode(s, "utf-8")

^转换为unicode并指定编码.

^ Converting to unicode and specifying the encoding.

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