python之執行緒入門

import threading

import time
class
mythread
(threading.thread)
:def
__init__
(self, threadid, threadname, counter)
:        threading.thread.__init__(self)
self.threadid = threadid
self.threadname = threadname
self.counter = counter
defrun(self)
:print
("執行緒開始："
, self.threadname)
lock.acquire(
)#使用self呼叫該物件中的方法。py中的屬性，方法時屬於該類還是屬於物件，呼叫物件的屬性/方法用self等同於this。
self.timemethod(self.threadname, self.counter)
lock.release(
)def
timemethod
(self, threadname, counter)
:        delay =
1while counter:
time.sleep(delay)
print
(threadname, time.time())
counter -=
1if __name__ ==
'__main__'
:    lock = threading.lock(
)    thread1 = mythread(1,
"thread_1",2
)    thread2 = mythread(2,
"thread_2",2
)    thread1.start(
)    thread2.start(
)    thread1.join(
)    thread2.join(
)print
("main thread out"
)

執行緒開始： thread_1

執行緒開始： thread_2
thread_1 1606116927.151993
thread_1 1606116928.1526074
thread_2 1606116929.15364
thread_2 1606116930.1542966
main thread out
process finished with exit code 0

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