python多線程Event實現紅綠燈案例

標籤：glob   python多線程   print   多線程   sleep   elf   線程   gre   nbsp   

代碼：

# __author__ = ‘STEVEN‘# coding = utf-8import time,threading#開啟事件event = threading.Event()count = 0class Lighter(threading.Thread):    def run(self):        while True:            global count            count += 1            time.sleep(0.4)            event.set()            #設定綠燈時間為10s，紅燈為10s            if count>10 and count<=20:                event.clear()                print(‘\033[41;1m red light ..\033[0m‘)            elif count > 20:                count = 0                event.set()                print(‘\033[42;1m green light ..\033[0m‘)            else:                print(‘\033[42;1m green light ..\033[0m‘)class Car(threading.Thread):    def __init__(self,name):        super(Car,self).__init__()        self.name = name    def run(self):        time.sleep(0.5)        if event.is_set():            print(‘{} passed the light‘.format(self.name))        else:            print(‘{} is waiting the green light‘.format(self.name))l = Lighter()l.start()#啟動50輛車，讓他們經過紅綠燈for i in range(50):    time.sleep(1)    c = Car(‘car{}‘.format(i))    c.start()

　　

 

python多線程Event實現紅綠燈案例