PythonµÄASCII, GB2312, Unicode , UTF 8
PythonµÄASCII, GB2312, Unicode , UTF-8
ASCII ÊÇÒ»ÖÖ×Ö·û¼¯,°üÀ¨´óСдµÄÓ¢ÎÄ×Öĸ¡¢Êý×Ö¡¢¿ØÖÆ×Ö·ûµÈ£¬ËüÓÃÒ»¸ö×Ö½Ú±íʾ£¬·¶Î§ÊÇ 0-127 Unicode·ÖΪUTF-8ºÍUTF-16¡£
UTF-8±ä³¤¶ÈµÄ£¬×î¶à 6 ¸ö×Ö½Ú£¬Ð¡ÓÚ 127 µÄ×Ö·ûÓÃÒ»¸ö×Ö½Ú±íʾ£¬Óë ASCII ×Ö·û¼¯µÄ½á¹ûÒ»Ñù£¬ASCII ±àÂëϵÄÓ¢ÓïÎı¾²»ÐèÒªÐ޸ľͿÉÒÔµ±×÷ UTF-8 ±àÂë½øÐд¦Àí¡£
Python ´Ó 2.2 ¿ªÊ¼Ö§³Ö Unicode £¬º¯Êý decode( char_set )¿ÉÒÔʵÏÖ ÆäËü±àÂëµ½ Unicode µÄת»»£¬º¯Êý encode( char_set )ʵÏÖ Unicode µ½ÆäËü±àÂ뷽ʽµÄת»»¡£
±ÈÈç
("ÄãºÃ").decode( "GB2312")
½«µÃµ½
u'\u4f60\u597d'£¬
¼´ "Äã"ºÍ“ºÃ"µÄ Unicode Âë·Ö±ðÊÇ 0x4f60 ºÍ 0x597d
ÔÙÓÃ
(u'\u4f60\u597d').encode("UTF-8")
½«µÃµ½
'\xe4\xbd\xa0\xe5\xa5\xbd'
ËüÊÇ “ÄãºÃ”µÄUTF-8±àÂë½á¹û¡£
pythonÖÐʹÓà unicodeµÄ¹Ø¼ü£ºunicodeÊÇÒ»¸öÀ࣬º¯Êýunicode(str,"utf8")´Óutf8±àÂ루µ±È»Ò²¿ÉÒÔÊDZðµÄ±àÂ룩µÄ×Ö·û´®strÉú³É unicodeÀàµÄ¶ÔÏ󣬶øº¯Êýunc.encode("utf8")½«unicodeÀàµÄ¶ÔÏóuncת»»Îª£¨±àÂëΪ£©utf8±àÂ루µ±È»Ò²¿ÉÒÔÊDZðµÄ±àÂ룩µÄ×Ö·û´®¡£ÓÚÊÇ£¬±àдunicodeÏà¹Ø³ÌÐò£¬ÐèÒª×öµÄÊÂÇéÊÇ * »ñÈ¡Êý¾Ý£¨×Ö·û´®£©Ê±£¬ÓÃunicode(str, "utf8")Éú³Éunicode¶ÔÏó * ÔÚ³ÌÐòÖнöʹÓÃunicode¶ÔÏ󣬶ԳÌÐòÖгöÏÖµÄ×Ö·û´®³£Á¿¶¼ÒÔu"×Ö·û´®"µÄÐÎʽÊéд * Êä³öʱ£¬¿É½«unicode¶ÔÏóת»»ÎªÈÎÒâ±àÂëÊä³ö£¬Ê¹ÓÃstr.encode("some_encoding")
>>> unicode("ÄãºÃ", "utf8")
u'\u4f60\u597d'
>>> x = _
>>> type(x)
>>> type("ÄãºÃ")
>>> x.encode("utf8")
'\xe4\xbd\xa0\xe5\xa5\xbd'
>>> x.encode("gbk")
'\xc4\xe3\xba\xc3'
>>> x.encode("gb2312")
'\xc4\xe3\xba\xc3'
>>> print x
ÄãºÃ
>>> print x.encode("utf8")
ÄãºÃ
>>> print x.encode("gbk")
???
ÒÔÉÏÊDzâÊÔ½á¹û£¨Ubuntu 6.06£¬localeΪutf8£©£¬×¢Òâtype(x)ºÍtype("ÄãºÃ")µÄÇø±ð¡£´Ó±àÂëÉÏ¿ÉÒÔ¿´³öutf8±àÂëÓëgbk²»Í¬¡£ÔÚutf
Ïà¹ØÎĵµ£º
×î½ü¿´¿É°®µÄpython£¬ÀïÃæÓкܶàÒÔǰûÓÐ×¢ÒâµÄ¶«Î÷¡£ÊéÊǽèµÄ£¬ÆÚ´ýµ½2ÔÂ27ºÅ£¬ÉçÇø½â³ýͼÊ龲Ĭ¡£
ͼÊé´ó¸Å·ÖÁË3¸ö²¿·Ö¡£µÚÒ»²¿·ÖÖ÷ÒªÊDZ¾µØ±à³ÌµÄ¹ý³Ì£¬µÚ¶þ²¿·ÖÖ÷ÒªÊÇÍøÒ³±à³Ì¡£µÚÈý²¿·ÖÊÇСֽÌõ£¬
ÌṩÁ˺ܶà֪ʶµãµÄËټǡ£
ÒÔǰҲÉϹýwoodpecker£¬ÕýÈçÍøÕ¾ÉÏдµÄ£¬È·ÊµºÜÂÒ¡£ÎÒ¾³£²»ÖªµÀ¿´ÄÄ£¬Õâ¸öÖ»Äܶà¹ä¡£ÊéÖÐ ......
Python²Ù×÷Excel·½·¨£º
£¨1£©ÔÚsourceforge.netÉÏÓÐÒ»¸öÀ©Õ¹Ä£¿é½ÐpyXLWriter£¬¿ÉÒÔ·½±ãµÄдExcelÎļþ¡£
£¨2£©ÏÂÔØwin32com°ü×°ÉÏ,Õâ¸ö°ü¿ÉÒÔµ÷ÓÃwindowsµÄcom¼°APIº¯ÊýµÈÕâÀàµÄ¹¦ÄÜ¡£PythonÀûÓÃwin32com²Ù×÷Excel¡£
Àý×Ó£º
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from win32com. ......
Ubuntuƽ̨ϵÄPython²Ù×÷Mysql
1.°²×°Ubuntu,°²×°Msql.
2.´ò¿ªÖÕ¶Ë,ÊäÈë python
import MySQLdb
con = MySQLdb.connect(db="python")
cur = con.cursor()
count = cur.execute("select * from test")
print count
data = cur.fetchall()
print data
for d in data:
print d
import os
os.system('clear') ......
µ±ÒªÊ¹º¯Êý½ÓÊÕÔª×é»ò×ÖµäÐÎʽµÄ²ÎÊýµÄʱºò£¬ÓÐÒ»ÖÖÌØÊâµÄ·½·¨£¬Ëü·Ö±ðʹÓÃ*ºÍ**ǰ׺¡£ÕâÖÖ·½·¨ÔÚº¯ÊýÐèÒª»ñÈ¡¿É±äÊýÁ¿µÄ²ÎÊýµÄʱºòÌØ±ðÓÐÓá£
>>> def powersum(power, *args):
... '''Return the sum of each argument raised to specified power.'''
... ......
PythonÊÇĿǰ¹ã·ºÊ¹ÓõÄÒ»ÃŶ¯Ì¬ÓïÑÔ£¬ÀàËÆJava£¬Ô´´úÂë±ØÐëÊ×ÏÈÓɱàÒëÆ÷ת»»³É×Ö½ÚÂ루byte code£©£¬È»ºóÔÙÓɽâÊÍÆ÷À´Ö´ÐÐ×Ö½ÚÂë¡£ÓëJava²»Í¬µÄÊÇ£¬PythonµÄ±àÒëÆ÷ºÍ½âÊÍÆ÷¶¼ÊÇÒ»¸ö³ÌÐò¡£Òò´Ë£¬Ô´´úÂëÒ²¿ÉÒÔÖ±½Ó½»¸øÕâ¸ö±àÒëÆ÷£¯½âÊÍÆ÷À´Ö´ÐС£
ʹÓÃPython±àд³ÌÐò£¬Äã²»ÐèÒªÔ¤ÏÈÉùÃ÷ºÃ±äÁ¿µÄÀàÐÍ£¬ÒòΪPythonÖбäÁ¿µÄÀ ......