demon15

#!/usr/bin/env python

# -*- coding:utf-8 -*-

'''多线程实例'''

importthreading

defworker(n):

print('start worker{0}'.format(n))

classMyThread(threading.Thread):

def__init__(self,args):

super(MyThread,self).__init__()

self.args =args

defrun(self):

print('start MyThread{0}'.format(self.args))

if__name__ == "__main__":

fori inxrange(1,6):

t1 = threading.Thread(target=worker,args=(i,))

t1.start()

t1.join()

forx inxrange(6,11):

t2 = MyThread(x)

t2.start()

t2.join()

#!/usr/bin/env python

# -*- coding:utf-8 -*-

'''多线程锁'''

importtime

importthreading

defworker(name,lock):

withlock:

print('####start {}####'.format(name))

time.sleep(2)

print('####end {}####'.format(name))

##也可用lock.。。。的两种方法和进程一样的

if__name__ == "__main__":

lock = threading.Lock()

t1 = threading.Thread(target=worker,args=('worker1',lock))

t2 = threading.Thread(target=worker,args=('worker2',lock))

t1.start()

t2.start()

#!/usr/bin/env python

# -*- coding:utf-8 -*-

'''多线程共享变量'''

importthreading

defworker(l):

l.append("yi")

l.append("er")

l.append("san")

if__name__ == "__main__":

l =list()

l +=range(1,10)

print(l)

t = threading.Thread(target=worker,args=(l,))

t.start()

print(l)