import osbase_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))data_dir = os.path.join(base_dir, ‘data‘)data_file = os.path.join(data_dir, ‘data.xlsx‘)
constant存放文件路径
原文：https://www.cnblogs.com/sophia-985935365/p/12629678.html
