共享文件的源代码
usage: app.py [-h] [-p PORT] [-t THREAD] [--upload] [--download] [--debug][--file_can_be_deleted] [--path]
options:
-h, --help show this help message and exit
-p PORT, --port PORT
-t THREAD, --thread THREAD
--path PATH
--upload
--download
--debug
--file_can_be_deleted