1
import threading, time

class test(threading.Thread):                 

    def __init__(self,name,delay):
        threading.Thread.__init__(self)
        self.name = name
        self.delay = delay

    def run(self):
        c = 0
        while True:
            time.sleep(self.delay)            
            print 'This is thread %s on line %s' %(self.name,c)
            c = c + 1 
            if c == 15:
                print 'End of thread %s' % self.name
                break

one = test('one', 1).start()
two = test('two', 3).start()

one.join()
two.join()

print 'End of main'

问题:无法让 join() 方法正常工作,出现以下错误:

Traceback (most recent call last)line 29, in <module> join() NameError: name 'join' is not defined

如果我删除:

one.join
two.join

代码工作得很好。

我想打印最后一行,

print 'End of main'

两个线程结束后。我似乎无法理解为什么 join() 不是两个实例的属性?

4

1 回答 1

4
one = test('one', 1).start()
two = test('two', 3).start()

你的问题是start()不做return self. one并且two不是线程。它们是None或实际的返回值start()是什么。

这有效:

one = test('one', 1)
one.start()
two = test('two', 3)
two.start()
于 2012-10-06T18:24:30.227 回答