wlpython 2019-02-22
如下所示:
import threading import time sem=threading.Semaphore(4) #限制线程的最大数量为4个 def gothread(): with sem: #锁定线程的最大数量 for i in range(8): print(threading.current_thread().name,i) time.sleep(1) for i in range(5): threading.Thread(target=gothread).start()