更新

Python-100-Days/Day01-15/Day13/multithread2.py

@@ -0,0 +1,36 @@
+"""
+
+使用多线程的情况 - 模拟多个下载任务
+
+Version: 0.1
+Author: 骆昊
+Date: 2018-03-20
+
+"""
+
+from random import randint
+from threading import Thread
+from time import time, sleep
+
+
+def download_task(filename):
+	print('开始下载%s...' % filename)
+	time_to_download = randint(5, 10)
+	sleep(time_to_download)
+	print('%s下载完成! 耗费了%d秒' % (filename, time_to_download))
+
+
+def main():
+	start = time()
+	thread1 = Thread(target=download_task, args=('Python从入门到住院.pdf',))
+	thread1.start()
+	thread2 = Thread(target=download_task, args=('Peking Hot.avi',))
+	thread2.start()
+	thread1.join()
+	thread2.join()
+	end = time()
+	print('总共耗费了%.3f秒' % (end - start))
+
+
+if __name__ == '__main__':
+	main()