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

Python¼àÊÓ½ø³Ì


ÓÉsubprocess´´½¨Ò»¸ö½ø³Ì£¬È»ºó½øÐмàÊÓ
ÿһÃëÖӲ鿴һ´Î£¬Èç¹ûÕýÔÚÔËÐУ¬´òÓ¡pidºÍrunning£¬Èç¹ûÒÑÍ£Ö¹£¬,¼ÌÐøÖ´ÐÐÈÎÎñ²¢´òÓ¡Termined
shellºÍstdout¾ùÉèÖÃΪFalse
Ò²ÐíÕâ¶Ô×ö²¡¶¾µÄÊØ»¤½ø³ÌºÜºÃ
#!/usr/bin/env python
import subprocess , sys , time
p=subprocess.Popen(['ping','127.0.0.1','-n','10'], shell=False,stdout=False)
while 1:
    time.sleep(1)
    ret=subprocess.Popen.poll(p)
    if ret is None:
        print p.pid,"running"
    else:
        print "Termined!"
        p=subprocess.Popen(['ping','127.0.0.1','-n','10'], shell=False,stdout=False)


Ïà¹ØÎĵµ£º

Python×°ÊÎÆ÷

Ô­ÎÄ£ºhttp://www.klipdas.com/blog/?p=python-decorator
python×°ÊÎÆ÷½éÉÜ
Python 2.2ÖÐÒýÈëµÄ classmethod() ºÍ staticmethod() ÄÚÖú¯Êý£¬Äã¿ÉÒÔÕâÑùµ÷ÓÃclassmethod()£º
class A:
def foo(self, y):
print y
foo = classmethod(foo)
Ò²¿ÉÒÔÕâÑù£º
class A:
@classmethod
def foo(sel ......

Python¶àÏß³Ì֪ʶµã


֪ʶµã
1.Ïß³ÌÊÇ“ÇáÁ¿¼¶”½ø³Ì£¬ÒòΪÏà½ÏÓÚ½ø³ÌµÄ´´½¨ºÍ¹ÜÀí£¬²Ù×÷ϵͳͨ³£»áÓýÏÉÙµÄ×ÊÔ´À´´´½¨ºÍ¹ÜÀíÏ̡߳£²Ù×÷ϵͳҪΪн¨µÄ½ø³Ì·ÖÅäµ¥¶ÀµÄÄÚÔÚ¿Õ¼äºÍÊý¾Ý£»Ïà·´£¬³ÌÐòÖеÄÏß³ÌÔÚÏàͬµÄÄÚ´æ¿Õ¼äÖÐÖ´ÐУ¬²¢¹²ÏíÐí¶àÏàͬµÄ×ÊÔ´¡£¶àÏ̳߳ÌÐòÔÚ½áÄÚ´æµÄʹÓÃЧÂÊÒªÓÅÓÚ¶à½ø³Ì³ÌÐò¡£
2.pythonÌṩÁËÍêÕûµÄ¶àÏß ......

ÔÚPythonÖж¯Ì¬°ó¶¨property

 ÔÚPythonÖпÉÒÔ°Ñproperty¶¯Ì¬µÄ°ó¶¨µÄobjectµÄ¼Ì³ÐÀàÖУ¬²¢ÇÒ¿ÉÒÔ¶¨Òå´øÓвÎÊýµÄgetºÍset·½·¨¡£
±ÈÈ磬ÎÒÃǶ¨ÒåÁËÈ«¾Ö±äÁ¿g£¬È»ºóͨ¹ýÁ½¸ö·½·¨À´´æÈ¡gµÄÄÚÈÝ
def get_g(self):
    return g
def set_g(self, _g):
    global g
    g = _g
¶¨ÒåÒ»¸öobjectµÄ¼Ì³ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ