import threading
import time

# 向线程发送信息的辅助类
class StopThread:
 def __init__(self):
 self.go = True

# 这是一个可执行的类,也可用作线程的 target
class TreadFunc:
 def __init__(self, func, args, name=""):
 self.func = func
 self.args = args
 self.name = name
 
 def __call__(self):
 self.func(*self.args)

# 线程运行函数
def RunFunc(st):
 while st.go:
 print("go")
 time.sleep(.5)

go = StopThread()

# 创建线程
th = threading.Thread(target=TreadFunc(func=RunFunc, args=(go,)))

# 启动线程
th.start()
time.sleep(5)
go.go = False
th.join()
print("exit...")