在Unicode和普通字符串之间转换
2012-1-31 02:04:13 作者: admin 查看次数: 0 评论数: 0
原文出处:http://group.movo.tv/m8/circlediarylook/Sa148b0dec01148b9d5e4c02e4.html
1.1. 问题 Problem
You need to deal with data that doesn't fit in the ASCII character set.
你需要处理不适合用ASCII字符集表示的数据.
1.2. 解决 Solution
Unicode strings can be encoded in plain strings in a variety of ways, according to whichever encoding you choose:
Unicode字符串可以用多种方式编码为普通字符串, 依照你所选择的编码(encoding):
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1 #将Unicode转换成普通的Python字符串:"编码(encode)"
2 unicodestring = u"Hello world"
3 utf8string = unicodestring.encode("utf-8")
4 asciistring = unicodestring.encode("ascii")
5 isostring = unicodestring.encode("ISO-8859-1")
6 utf16string = unicodestring.encode("utf-16")
7
8
9 #将普通的Python字符串转换成Unicode: "解码(decode)"
10 plainstring1 = unicode(utf8string, "utf-8")
11 plainstring2 = unicode(asciistring, "ascii")
12 plainstring3 = unicode(isostring, "ISO-8859-1")
13 plainstring4 = unicode(utf16string, "utf-16")
14
15 assert plainstring1==plainstring2==plainstring3==plainstring4
