线程的一些操作

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from threading import Thread
import threading
import time
from multiprocessing import Process
import os

def work():
    import time
    time.sleep(1)
    # print('子线程',threading.get_ident()) #2608
    print(threading.current_thread().getName()) #Thread-1
    print(threading.current_thread()) #Thread-1

if __name__ == '__main__':
    #在主进程下开启线程
    t=Thread(target=work)
    t.start()

    # print(threading.current_thread())#主线程对象 #<_MainThread(MainThread, started 1376)>
    # print(threading.current_thread().getName()) #主线程名称 #MainThread
    # print(threading.current_thread().ident) #主线程ID #1376
    # print(threading.get_ident()) #主线程ID #1376

    time.sleep(3)
    print(threading.enumerate())  # 连同主线程在内有两个运行的线程,[<_MainThread(MainThread, started 13396)>, <Thread(Thread-1, started 572)>]
    print(threading.active_count()) # 2
    print('主线程/主进程')

from threading import Thread,Event

e = Event()  #e的状态有两种,False True,当事件对象的状态为False的时候,wait的地方会阻塞

e.set()  #将事件对象的状态改为True
e.clear() #将事件对象的状态改为Flase
print('在这里等待')
e.wait() #阻塞
print('还没好!!')