from?django.http?import?HttpResponse

from?blog.models?import?Article


def?hello_world(request):

????return?HttpResponse("hello?world?????")


def?article_content(request):
????article?=?Article.objects.all()[0]
????title?=?article.title
????brief_content?=?article.brief_content
????content?=?article.content
????article_id?=?article.article_id
????publish_date?=?article.publish_date
????return_str?=?'title:?%s,?brief_content:?%s,?'?\
?????????????????'content:?%s,?article_id:?%s,?publish_date:?%s'?%?(title,
????????????????????????????????????????????????????????????????????brief_content,
????????????????????????????????????????????????????????????????????content,
????????????????????????????????????????????????????????????????????article_id,
????????????????????????????????????????????????????????????????????publish_date)
????return?HttpResponse(return_str)

運行這段veiws.py,報錯

django.core.exceptions.ImproperlyConfigured: Requested setting INSTALLED_APPS, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings.