簡單的創建多線程

import threading

# 導入模塊

import time

def xian1():

for i in range(3):

print("老子是第一")

time.sleep(1)

def xian2():

for i in range(3):

print("老子是第二")

time.sleep(1)

def main():

t1 = threading.Thread(target=xian1)

t2 = threading.Thread(target=xian2)

t1.start()

t2.start()

if __name__ == '__main__':

main()

用繼承threading模塊創建多線程類

import threading

# 導入模塊

import time

class A(threading.Thread): #創建一個類繼承threading模塊

def run(self):

for i in range(3):

print("老子是第一")

time.sleep(1)

class B(threading.Thread):

def run(self):

for i in range(3):

print("老子是第二")

time.sleep(1)

def main():

t1 = A()

t2 = B()

t1.start()

t2.start()

t2.run1().start()

if __name__ == '__main__':

main()

多線程? 創建鎖

importthreading#導入模塊

importtime

glock=threading.Lock()#創建鎖

value =0defrun ():globalvalue#上鎖

glock.acquire()for x in range(1000000):

value+= 1

print(value)

glock.release()#解鎖

defmain():for i in range(2):

t1= threading.Thread(target=run)

t1.start()if __name__ == '__main__':

main()

多線程，生產與消費模式

importthreadingimportrandomimporttime#設置總錢數

zongmony = 1000

#創建鎖

glock =threading.Lock()#次數

times =0classscz(threading.Thread):defrun(self):globalzongmonyglobaltimeswhileTrue:#隨機生產一些錢

mony = random.randint(100, 1000)#生產好后建立鎖，

glock.acquire()#判斷是否生產了十次

if times >10:

glock.release()breakzongmony+=mony

times+=1

print("生產者生產了%d元，總共有%d元" %(mony,zongmony))#執行完以后釋放鎖

glock.release()

time.sleep(0.5)classxfz(threading.Thread):defrun(self):globalzongmonyglobaltimeswhileTrue:#隨機消費一些錢

xiaofei = random.randint(100, 1000)

glock.acquire()if xiaofei

zongmony-=xiaofeiprint("消費者消費%d元，剩余%d元"%(xiaofei , zongmony))else:if times >10:

glock.acquire()break

print("余額不足！！")

time.sleep(0.5)

glock.release()defmain():for i in range(5):

t=scz()

t.start()if i >= 2:

t1=xfz()

t1.start()if __name__ == '__main__':

main()

總結

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