Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

python Ä£¿éµÄ__name__ __main__

ÿ¸öÄ£¿é¶¼ÓÐÒ»¸öÃû³Æ£¬ÔÚÄ£¿éÖпÉÒÔͨ¹ýÓï¾äÀ´ÕÒ³öÄ£¿éµÄÃû³Æ¡£ÕâÔÚÒ»¸ö³¡ºÏÌØ±ðÓÐÓÃ
——¾ÍÈçÇ°ÃæËùÌáµ½µÄ£¬µ±Ò»¸öÄ£¿é±»µÚÒ»´ÎÊäÈëµÄʱºò£¬Õâ¸öÄ£¿éµÄÖ÷¿é½«±»ÔËÐС£
ÿ¸öPythonÄ£¿é¶¼ÓÐËüµÄ__name__£¬Èç¹ûËüÊÇ'__main__'£¬Õâ˵Ã÷Õâ¸öÄ£¿é±»Óû§µ¥¶ÀÔËÐУ¬
ÎÒÃÇ¿ÉÒÔ½øÐÐÏàÓ¦µÄÇ¡µ±²Ù×÷¡£
#!/usr/bin/python
# Filename: using_name.py
if __name__ == '__main__':
     print 'This program is being run by itself'
else:
     print 'I am being imported from another module'
Êä³ö
$ python using_name.py
This program is being run by itself
$ python
>>> import using_name
I am being imported from another module


Ïà¹ØÎĵµ£º

Python½âÊÍÖ´ÐÐÔ­Àí

̸µ½ÁËPythonÓï¾äµÄÁ½ÖÖÖ´Ðз½Ê½£¬Êµ¼ÊÉÏ£¬ÕâÁ½ÖÖÔËÐз½Ê½ÔÚ±¾ÖÊ ÉÏÊÇÏàͬµÄ£¬ËüÃǶ¼ÊÇÓɽâÊÍÆ÷À´½âÊÍÖ´ÐÐÎÒÃÇÌṩµÄPythonÓï¾ä¡£ ÕâÀïËù˵µÄ½âÊÍÖ´ÐÐÊÇÏà¶ÔÓÚ±àÒëÖ´ÐжøÑԵġ£ÎÒÃÇÖªµÀ£¬Ê¹ÓÃÖîÈç C»òC++Ö®ÀàµÄ±àÒëÐÔÓïÑÔ±àдµÄ³ÌÐò¿ÉÒÔ´ÓÔ´Îļþת»»³É¼ÆËã»úʹÓà µÄ»úÆ÷ÓïÑÔ£¬ ¾­Á¬½ÓÆ÷Á¬½ÓºóÐγɶþ½øÖÆ¿ÉÖ´ÐÐÎļþ¡£µ±ÎÒÃÇÔ ......

Eclipse»ùÓÚpython¡¢Django×öWeb¿ª·¢

 ÏȽ«ÉÏÃæ´´½¨ºÃµÄtestdemo¹¤³ÌĿ¼\£¬½«C:\Python25\Lib\site-packages\django\binÖеÄtestdemoĿ¼¿½±´µ½×Ô¼ºµÄ¹¤×÷Ŀ¼ÖУ¬È»ºóÆô¶¯eclipse£¬µã»÷“File”->“New”->“project…”£¬½«»á¿´µ½ÒÔÏ»­Ãæ
 
Ñ¡Ôñ“Pydev Project”£¬µã»÷“Next&rdquo ......

PythonÖо²Ì¬·½·¨µÄʵÏÖ

×÷ÕߣºÀÏÍõ
PythonËÆºõºÜÌÖÑáÐÞÊηû£¬Ã»Óг£¼ûµÄstaticÓï·¨¡£Æä¾²Ì¬·½·¨µÄʵÏÖ´óÖÂÓÐÒÔÏÂÁ½ÖÖ·½·¨£º
µÚÒ»ÖÖ·½Ê½£¨staticmethod£©£º
>>> class Foo:
        str = "I'm a static method."
        def ba ......

PythonÖ®HTMLParser

"""A parser for HTML and XHTML."""
# This file is based on sgmllib.py, but the API is slightly different.
# XXX There should be a way to distinguish between PCDATA (parsed
# character data -- the normal case), RCDATA (replaceable character
# data -- only char and entity references and end tags a ......

ʹÓÃpdbµ÷ÊÔPython³ÌÐò

ʹÓÃpdbµ÷ÊÔPython³ÌÐò
 
±¾ÎÄÌÖÂÛÔÚûÓз½±ãµÄIDE¹¤¾ß¿ÉÓõÄÇé¿öÏ£¬Ê¹ÓÃpdbµ÷ÊÔpython³ÌÐò
 
Ô´ÂëÀý×Ó
ÀýÈ磬ÓÐÄ£Äâ˰ÊÕ¼ÆËãµÄ³ÌÐò£º
 
#!/usr/bin/python
def debug_demo(val):
                if val &l ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ