¹ØÓÚPythonÖÐÒ»Öֻص÷·½Ê½µÄʵÏÖ
#¹ØÓڻص÷¹¦ÄܵIJâÊÔ
#FunctorÊÇÕâÖֻص÷¹¦ÄܵĹؼü¶ÔÏó
class Functor:
"""Simple functor class."""
def __init__( self, fn, *args ):
self.fn = fn
self.args = args
def __call__( self, *args ):
self.fn( *(self.args + args) )
#Ïë¶Ô¸Ãº¯Êý½øÐлص÷²Ù×÷
def test_callback1(arg1, arg2):
print "test_callback1", arg1, arg2
#ÏȽøÐмòµ¥µØ²âÊÔ
obj_call1 = Functor(test_callback1, 1111, 'qweqwe111111111')
obj_call1()
#½á¹û£º
#test_callback1 1111 qweqwe111111111
#¿´¿´¹ý³ÌÖдøÈë²ÎÊýµÄ·½Ê½
def test_callback2(arg1, arg2, call_arg):
print "test_callback2", arg1, arg2, call_arg
obj_call2 = Functor(test_callback2, 2222, 'qweqwe22222222')
obj_call2(222)#¹ý³ÌÖÐÊäÈë²ÎÊý£¬²¢ÇÒʹ»Øµ÷º¯ÊýµÃµ½Õâ¸ö²ÎÊý
#½á¹û£º
#test_callback2 2222 qweqwe22222222 222
#ÔÙÀ´¿´¿´¶ÔÏóÖеķ½·¨±»ÓÃÀ´»Øµ÷
#»ù±¾ÔÀíÓëÉÏÃæÁ½¸öÀý×ÓÏàͬ£¬µ«¿ÉÒÔÒýÈë¶ÔÏó±¾ÉíµÄº¯Êý
#²¢ÇÒÒ²¿ÉÒýÈëÆäËû¶ÔÏó½øÐлص÷£¬ÄÇôËüµÄÓ÷¨½«»á·Ç³£·á¸»
class Test:
def __init__(self):
pass
def test_callback1(self, arg1, arg2):
print "Test.test_callback 1111", arg1, arg2
def test_callback2(self, arg1, arg2, call_arg):
print "Test.test_callback 2222", arg1, arg2, call_arg
def test_callback_arg(self):
obj_call1 = Functor(self.test_callback1, 1111, 'qweqwe1111')
print "obj_call1 = ",obj_call1
 
Ïà¹ØÎĵµ£º
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.'''
... ......
Éè¼ÆÄ£Ê½ÊÇÒ»¸ö³éÏó²ã´Î£¬ÃèÊöÁËÔÚÒ»¸öÌØ¶¨µÄ»·¾³ÖÐÓÃÀ´½â¾öÒ»°ãÉè¼ÆÎÊÌâµÄ¶ÔÏóºÍÀàÖ®¼äµÄ½»»¥¹ØÏµ£¬ÆäÖ÷ҪĿµÄÊdzä·ÖÀûÓÃÓïÑÔµÄÌØÐÔ£¬Éè¼Æ¿É¸´Óõġ¢Äܹ»ÊÊÓ¦ÐèÇó±ä¸üµÄÈí¼þ[9]¡£Éè¼ÆÄ£Ê½ÊÇÒ»ÖÖÉè¼ÆË¼Ï룬ÓïÑÔÊÇʵÏÖ˼ÏëµÄ¹¤¾ß¡£Òò´Ë£¬²»Í¬ÓïÑÔµÄÌØÐÔÓ°ÏìÁËÉè¼ÆÄ£Ê½µÄʵÏÖ£¬ÓÐЩÓïÑÔ¸üÈÝÒ×ʵÏÖÉè¼ÆÄ£Ê½£¬¶øÓÐЩÓïÑÔÔ ......
>>> import string
>>> s='adbecf'
>>>
tt=string.maketrans("abc","ABC")
>>> s.translate(tt,"")
'AdBeCf'
>>>
s.translate(tt,"")
ºóÃæµÄÄǸö¿Õ×Ö·û´´¾ÍÊÇÄãҪɾ³ýµÄ×Ö·û£¬±ÈÈçҪɾ³ý»»ÐоÍÊÇs.translate(tt,"\n&q ......
PythonÖÐÖ´ÐÐϵͳÃüÁî³£¼û·½·¨ÓÐÁ½ÖÖ£º
Á½Õß¾ùÐè import os
(1) os.system
# ½ö½öÔÚÒ»¸ö×ÓÖÕ¶ËÔËÐÐϵͳÃüÁ¶ø²»ÄÜ»ñÈ¡ÃüÁîÖ´ÐкóµÄ·µ»ØÐÅÏ¢
system(command) -> exit_status
Execute the command (a string) in a subshell.
# Èç¹ûÔÙÃüÁîÐÐÏÂÖ´ÐУ¬½á¹ûÖ±½Ó´òÓ¡³öÀ´
>>> os. ......
½âѹdjango£¬È»ºóµ½ÆäĿ¼Ï°²×°
ǰÌáÊÇÄã°²×°ºÃpython.²¢½«ÆäÅäÖõ½»·¾³±äÁ¿ÖУ¬È»ºóÈ¥djangoµÄѹËõÎÄÐÞµÄÏ£¬Ö´ÐÐÒÔϵ¹ÃüÁî
python setup.py install
1.´´½¨project
Ê×ÏÈÎÒÃÇ´ò¿ªcmd, ¶¨Î»µ½Ï£Íûн¨¹¤³ÌµÄĿ¼ÏÂ, ÈÎÒâĿ¼¾ù¿É. È»ºó¼üÈëÈçÏÂÃüÁî:
django-admin.py startproject helloÆäÖÐhelloΪй¤³ÌĿ¼ÎļþÃû ......