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python 线程锁语法from threading import Locklock = Lock() #创建锁对象lock.acquire() #上锁，若lock已经上锁再调用会阻塞lock.release() #解锁with lock: #上锁(代码执行完自动解锁)示例from threading import Thread,Locka = b =0#创建锁对象lock...

python自定义线程类import threading import Thread#继承自Thread父类class Myclass(Thread): # def __init__(self,target=None,args=(),kwargs={}): super().__init__() self.target = target self.args = args ...

python 线程函数传参from threading import Threadfrom time import sleep#含有参数的分支线程函数def fun(sec,name): print('%s线程开始执行'%name) sleep(sec) print('%s执行完毕'%name)#创建多个线程#放线程对象的容器jobs = []for i in rang...

'''步骤:1. 封装线程函数2. 创建线程对象3. 启动线程4. 回收线程'''import threadingfrom time import sleepa = 1#分支线程函数def music(): #修改全局变量 global a a = 10000 print('a = ',a) for i in range(3): sleep(2) #...