这是视图里面的方法没有return
注意看错误提示
ValueError at /30/The view df_goods.views.detail didn't return an HttpResponse object. It returned None instead.
Request Method: GET
Request URL: http://127.0.0.1:8000/30/
Django Version: 1.8.2
Exception Type: ValueError
Exception Value:
The view df_goods.views.detail didn't return an HttpResponse object. It returned None instead.
Exception Location: /home/python/.virtualenvs/h1/local/lib/python2.7/site-packages/django/core/handlers/base.py in get_response, line 151
Python Executable: /home/python/.virtualenvs/h1/bin/python
Python Version: 2.7.12
Python Path:
['/home/python/Desktop/django/dailyfresh1/dailyfresh',
'/home/python/.virtualenvs/h1/lib/python2.7',
'/home/python/.virtualenvs/h1/lib/python2.7/plat-x86_64-linux-gnu',
'/home/python/.virtualenvs/h1/lib/python2.7/lib-tk',
'/home/python/.virtualenvs/h1/lib/python2.7/lib-old',
'/home/python/.virtualenvs/h1/lib/python2.7/lib-dynload',
'/usr/lib/python2.7',
'/usr/lib/python2.7/plat-x86_64-linux-gnu',
'/usr/lib/python2.7/lib-tk',
'/home/python/.virtualenvs/h1/local/lib/python2.7/site-packages',
'/home/python/.virtualenvs/h1/lib/python2.7/site-packages']
Server time: