python - Django REST 框架中的 405 "Method POST is not allowed"

Question

我是 Django REST 框架的新手。如果我向 '/api/index/' 发出 POST 请求，有人可以解释为什么我会收到这样的错误

405 Method Not Allowed
{"detail":"Method \"POST\" not allowed."}

我的代码如下:

# views.py
class ApiIndexView(APIView):
    permission_classes = (permissions.AllowAny,)

    def post(self, request, format=None):
        return Response("ok")

# urls.py
urlpatterns = [
    url(r'^api/index/$', views.ApiIndexView.as_view()),
]

# settings.py
REST_FRAMEWORK = {
    'DEFAULT_PERMISSION_CLASSES': (
        'rest_framework.permissions.DjangoModelPermissions',
    ),
    'DEFAULT_AUTHENTICATION_CLASSES': (
        'rest_framework.authentication.SessionAuthentication',
        'rest_framework.authentication.TokenAuthentication',
    )
}

但如果我添加 <pk>进入我的模式，一切正常:

# views.py
class ApiIndexView(APIView):
    permission_classes = (permissions.AllowAny,)

    def post(self, request, pk, format=None):
        return Response("ok")

# urls.py
urlpatterns = [
    url(r'^api/index/(?P<pk>\d+)/$', views.ApiIndexView.as_view()),
]

我完全糊涂了。为什么有必要使用 <pk>有没有办法避免在 URL 模式中使用此参数？

Answer 1

确保您在http_method_names 中有"POST"。或者，您可以这样写:

def allowed_methods(self):
    """
    Return the list of allowed HTTP methods, uppercased.
    """
    self.http_method_names.append("post")
    return [method.upper() for method in self.http_method_names
            if hasattr(self, method)]