在单击链接时显示详细信息视图时出现问题。"Page not found (404)“一切正常,直到我单击卡名称,然后将我重定向到127.0.0.1:8000/Electric/1/,并给出错误"Page not found (404)” 视图 class ElectricDetailView(DetailView):
model = Product
template_name = "Electric.html"
queryset = Product.objects.all()
def get_object(self, quer
我使用get_queryset与Django-REST-框架一起为我的应用程序构建app。
我想知道有没有办法让这个过滤器正常工作
获取区域"Pune“或"Nasik”区的所有数据。我试过了
,但正如预期的那样,它只在过滤器之间执行和检索Pune区(我想是因为它是最后一个过滤器)。
这里是我的代码:
from rest_framework_mongoengine.viewsets import ModelViewSet as MongoModelViewSet
from app.serializers import *
from mongoengine.queryset.vi
我对Django很陌生,尤其是CBV,所以我有一个带post方法的listView,我尝试输出一个JSON,如下所示:
from django.utils import simplejson
class MyCoolListView(ListView):
# template declaration and other stuff
def get_context_data(self, **kwargs):
# do some stuff
return context
def get_queryset(self):
# do
我想从我的Django视图函数返回一个JsonResponse/HttpResponse。然而,我得到了'str‘对象没有属性'META’错误。该函数的代码如下所示。 def search(request):
queryset_list = Influencer.objects.orderby('username')
if 'username' in request.GET:
username = request.GET['username']
if username:
我有示例代码和测试:
def outer():
inner_response = inner(param1)
def inner(something):
queryset_response = something.object.filter(foo="bar",
foo1="bar1") #this should get a reponse when testing.
response_list = []
for count, queryset_res in enumerate(queryset_response):
分页代码:
try:
page = paginator.page(page_number)
print(page.object_list)
因此,下面的输出是我的分页的print(page.object_list)结果:
<QuerySet [<Comment: I can't believe it's happeinig>, <Comment: Just trying to fill up the comments>, <Comment: Another one!>, <Comment: Evenmore noe
我要去接FieldError: Unsupported lookup 'unaccent' for CharField or join on the field not permitted。任何帮助都是非常感谢的。有什么想法吗?
#template
<form class="navbar-form navbar-left" method="GET" action="{% url 'search' %}" value="{{request.get.q}}">
<div
有什么简单的方法可以做到这一点吗?我想我错过了一些组合。
search = request.GET.get(u'search')
cities = request.POST.getlist(u'cities')
countries = request.POST.getlist(u'countries')
if search and cities and counties:
self.object_list = self.get_queryset().filter(title__icontains=
帮助联合几种模式的搜索。我有两种型号的Apartment和Houses。这些模型具有相同的字符串State。根据它们,我在views.py中定制了搜索。看起来是这样的:
views.py
def search(request):
queryset_list = Houses.objects.order_by('-list_date')
if 'state' in request.GET:
state = request.GET['state']
if state:
que
假设我正在尝试将所有名为John的配置文件的名称更改为Mike
queryset = Profile.objects.filter(name='John')
方法1:
if queryset:
queryset.update(name='Mike')
logger.info(f'Updated the following profiles: {queryset.values_list('id', flat=True)}')
方法二:
if queryset.exists():
queryset.update
假设我有一个已经评估过的查询集。
# queryset is evaluated here
queryset = MyModel.objects.filter(name="blabla")
for obj in queryset:
# do some stuff
如果稍后在这个查询集上调用.values_list,那么它是对数据库进行额外调用,还是从queryset对象缓存中获取响应?
obj_map = {k: v in queryset.values_list("id", "name")} # <- does it make a
根据文件:
Pagination is only performed automatically if you're using the generic views or viewsets
但情况似乎并非如此。这是我的观点集:
views.py
class EntityViewSet(viewsets.ViewSet):
def list(self, request):
queryset = Entity.objects.all()
serializer = EntitySerializer(queryset, many=True)