复习： 多线程—类

# __author: "ZXYang"
# date: 2020/5/11
# import threading
# import time
#
#
# class MyThread(threading.Thread):
#
#     def __init__(self, num):
#         threading.Thread.__init__(self)
#         self.num = num
#
#     def run(self):
#         print('run-1 %s' % self.num)
#         time.sleep(1)
#
#     def run2(self):
#         print('run-1 %s' % self.num)
#         time.sleep(1)
#
# if __name__ == '__main__':
#     t1 = MyThread(1)
#     t2 = MyThread(2)
#
#     print(threading.active_count())
#     print(threading.current_thread())
#     t1.start()
#     t2.start()

import threading
import time


class MyThread(threading.Thread):

    def __init__(self, num):
        # threading.Thread.__init__(self)
        super().__init__()                      # 调用父类方法
        self.num = num

    def run(self):
        print(threading.current_thread())
        print('run1 %s' % self.num)
        time.sleep(1)

    def run2(self):
        print(threading.current_thread())
        print('run2 %s' % self.num)
        time.sleep(1)


if __name__ == '__main__':
    t1 = MyThread(1)
    t2 = MyThread(2)

    r = threading.Lock()  # 加上一把锁
    r.acquire()  # 请求          # 暂时把cpu站住，执行完再走，比t.join更好
    r.release()  # 释放

    print(threading.active_count())
    print(threading.current_thread())
    t1.start()
    t2.start()
    t1.join()
    t2.join()