pythonµÄ±ä²Î
pythonµÄ±ä²Î
*argsºÍ**dargsÊÇPythonµÄÁ½¸ö¿É
±ä²ÎÊý£¬Á½ÕßÓÐËù²»Í¬µÄÊÇ*argsÊǸötuple£¬**dargsÊǸödict¡£
*args
ºÍ**dargs²¢ÓÃʱ£¬*args±ØÐë·ÅÔÚ**dargsµÄÇ°Ãæ¡£
ÀýÈ磺
def func(a,b, *c):
pass
º¯ÊýfuncÖÁÉÙÓÐÁ½¸ö²ÎÊý±ä²ÎÊý·ÅÔÚtuple cÖÐ
def func(*c): »òÕß def func(**dc) ²ÎÊý²»È·¶¨
def func(a, *c, **dc): ¿ÉÒÔ¹²ÓÃ*argsºÍ**dargs,²»¹ýÒ»¶¨Òª°Ñ*args·ÅÔÚǰ
def func(**args):
print('arg len %d' % len(args))
if 'proxy' in args:
print('proxy: %s' % args['proxy'])
if __name__=='__main__':
func(proxy='no')
func()
½á¹û£º
arg len 1
proxy: no
arg len 0
Ïà¹ØÎĵµ£º
×ܽáÏ£¬Python ÏÂÔØÍøÒ³µÄ¼¸ÖÖ·½·¨
1
fd = urllib2.urlopen(url_link)
data = fd.read()
ÕâÊÇ×î¼ò½àµÄÒ»ÖÖ£¬µ±È»Ò²ÊÇGetµÄ·½·¨
2
ͨ¹ýGETµÄ·½·¨
def GetHtmlSource(url):
try:
htmSource = ''
&nb ......
1¡¢strÀàÐÍ¿ÉÒÔÀí½âΪһ¸ö¶þ½øÖÆblock£¬»òmultibyte
2¡¢multibyte_str.decode("<multibyte_encode_method>") -> unicode
3¡¢unicode_str.encode("<multibyte_encode_method>") -> multibyte_str(binary block)
4¡¢unicode_str µÄ²Ù×÷²ÎÊýҲӦΪunicode£¬È磺unicode_str.find("Ñù±¾".deco ......
¶ÔÓÚ¸öÈ˰棬ʹÓÃÁË.NET£¬°²×°ÍêÆóÒµ°æºó£¬¿´ÁË¿´Ä¿Â¼£¬·¢ÏÖ´óÁ¿python½Å±¾¡£dllÖÐÒ²ÓÐsqlite3.dll
C:\Program Files\China Mobile\EfetionĿ¼ÏÂÎļþ£º
Addin
boost_python.dll
bz2.pyd
dbghelp.dll
EFetion.exe
EFetion.exe.manifest
EFWP.exe
EFXLiveUpdate.exe
EFXLiveUpdate.exe.manifest
Face
Help.chm
......
1.¸Ä±ä±¾ÎļþµÄÊôÐÔ
import
os
import
stat
os.chmod( filename, stat.S_IWRITE )
2.¸Ä±ä±¾Ä¿Â¼¼°Æä×ÓĿ¼ÊôÐÔ
import
os
os.system(r
'
attrib -r' + path +'\\*.* /s
'
)
3.½éÉܸıäÎļþÊôÐÔµÄdosÖ¸Áî
Attrib
ÏÔʾ¡¢ÉèÖûòɾ³ýÖ¸ÅɸøÎļþ»òĿ¼µÄÖ»¶Á¡¢´æµµ¡¢ÏµÍ³ÒÔ¼°Òþ²ØÊôÐÔ¡£Èç¹ûÔÚ²»º¬²ÎÊýµÄÇ ......