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ÐÂÊÖÇó½Ì¡£Ï£Íû´ó¼ÒÖ¸µã¡£
ÐÂÊÖÇó½Ì¡£Ï£Íû´ó¼ÒÖ¸µã¡£ - yth [2004-04-24 21:13 | 807 byte(s)]
 
 
Subject: ÐÂÊÖÇó½Ì¡£Ï£Íû´ó¼ÒÖ¸µã¡£
Author: yth    Posted: 2004-04-24 21:13    Length: 807 byte(s)
[Original] [Print] [Top]
ʲôµØ·½³ö´íÁË¡£µÚÒ»¸öÓú¯ÊýµÄ·½·¨´òÓ¡ÁË10£º30£º10£¬µÚ¶þ¶ÎÓöÔÏóµÄ·½·¨ÎªºÎÌáʾ³ö´í¡£
ÎҵĿոñÊÇÕýÈ·µÄ£¬×ªÌùʱÏÔʾ²»Á˿ոñ¡£


class Time:
pass

def printTime(time):
print str(time.hours)+":"+
str(time.minutes)+":"+
str(time.seconds)

now=Time()
now.hours=10
now.minutes=30
now.seconds=10
printTime(now)
10:30:10

class Time:
def printTime(self):
print str(time.hours)+":"+
str(time.minutes)+":"+
str(time.secods)

now.printTime()
[Original] [Print] [Top]
Subject: Re: ÐÂÊÖÇó½Ì¡£Ï£Íû´ó¼ÒÖ¸µã¡£
Author: limodou    Posted: 2004-04-24 22:08    Length: 1,628 byte(s)
[Original] [Print] [Top]
Õâ¸öÎÊÌâµÄÈ·ºÜÓÐȤ¡£´ð°¸ÊÇÕâÑùµÄ£º
now´´½¨Ê±ÊÇ»ùÓھɵÄTimeÀàµÄ£¬Òò´Ë±£³Ö×ŶԾɵÄTimeÀàµÄÒ»¸öÒýÓ㬶øPython¶ÔÓÚÓµÓÐÒýÓõĶ
ÔÏóÊDz»»áÊͷŵģ¬Òò´Ë¾¡¹ÜºóÃæÖØÐ¶¨ÒåÁËTimeÀ࣬µ«Õâ»ØÉú³ÉµÄÊÇеÄÀà¶ÔÏó¡£¶ønowÈÔÈ»ÒýÓÃ
¾ÉµÄÀà¡£¿ÉÒÔ¼ÓÈëÈçÏÂÓï¾äÑéÖ¤ÕâÒ»µã£º

class Time:
pass

print 'old Time', repr(Time)

def printTime(time):
print str(time.hours)+":"+
str(time.minutes)+":"+
str(time.seconds)

now=Time()
now.hours=10
now.minutes=30
now.seconds=10
printTime(now)

print 'now old Time', repr(now.__class__)

class Time:
def printTime(self):
print str(time.hours)+":"+
str(time.minutes)+":"+
str(time.secods)

print 'new Time', repr(Time)
print 'now new Time', repr(now.__class__)

#now.printTime()

ÔÚÎҵĻúÆ÷ÉϽá¹ûΪ£º
old Time <class __main__.Time at 0x006A9480>
10:30:10
now old Time <class __main__.Time at 0x006A9480>
new Time <class __main__.Time at 0x006A94B0>
now new Time <class __main__.Time at 0x006A9480>
¿É¼ûnowÈÔÈ»±£³ÖמɵÄTimeÀàµÄ¶ÔÏó¡£
Èç¹ûÔÚnow.printTime()ǰ¼ÓÈ룺
now.__class__=Time
¾Í¿ÉÒÔÁË¡£²»¹ýÄãдµÄеÄTimeÀà»á±¨´í£¬×ÔÒÑÊÔÊÔ°É¡£
----
ÎÒµÄBlog(http://limodou.donews.net/limodou)
[Original] [Print] [Top]
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