# C:/Disk_D/pycharm_stu/macboy/blog/views/tt.py 当前文件绝对路径
BASE_DIR = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) #当前文件上三层目录
# C:\Disk_D\pycharm_stu\macboy
img_file = os.path.join(BASE_DIR, "media", "test.jpg")
#C:\Disk_D\pycharm_stu\macboy\media\test.jpg
原文：https://www.cnblogs.com/icemonkey/p/10536040.html