37 lines
738 B
Python
37 lines
738 B
Python
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"""
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使用多线程的情况 - 模拟多个下载任务
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Version: 0.1
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Author: 骆昊
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Date: 2018-03-20
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"""
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from random import randint
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from threading import Thread
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from time import time, sleep
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def download_task(filename):
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print('开始下载%s...' % filename)
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time_to_download = randint(5, 10)
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sleep(time_to_download)
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print('%s下载完成! 耗费了%d秒' % (filename, time_to_download))
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def main():
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start = time()
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thread1 = Thread(target=download_task, args=('Python从入门到住院.pdf',))
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thread1.start()
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thread2 = Thread(target=download_task, args=('Peking Hot.avi',))
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thread2.start()
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thread1.join()
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thread2.join()
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end = time()
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print('总共耗费了%.3f秒' % (end - start))
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if __name__ == '__main__':
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main()
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