完整報錯如下:
Using engine django:
django.template.loaders.filesystem.Loader: /home/appleyuchi/桌面/Python新手/PythonNew/第十三章的情況上視圖增加物流/templates/oscar/basket/partials/basket_content.html (Skipped)django.template.loaders.app_directories.Loader: /home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/django/contrib/admin/templates/oscar/basket/partials/basket_content.html (Source does not exist)django.template.loaders.app_directories.Loader: /home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/django/contrib/auth/templates/oscar/basket/partials/basket_content.html (Source does not exist)django.template.loaders.app_directories.Loader: /home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/compressor/templates/oscar/basket/partials/basket_content.html (Source does not exist)django.template.loaders.app_directories.Loader: /home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/paypal/templates/oscar/basket/partials/basket_content.html (Source does not exist)django.template.loaders.app_directories.Loader: /home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/oscar_promotions/templates/oscar/basket/partials/basket_content.html (Source does not exist)django.template.loaders.app_directories.Loader: /home/appleyuchi/.virtualenvs/python3.7/lib/python3.7/site-packages/oscar/templates/oscar/basket/partials/basket_content.html (Source does not exist)
仔細看頁面中的報錯，會發現:
由上可知，出現了basket_content.html的內容中有extends xxxx/xxx/basket.html的內容
這是因爲啊，html不能自己調用自己啊．
那麼這麼個寫法有什麼道理所在呢？
這是因爲被調用的文件是開源包裏面的這個文件．