day75test

トピック：

1は、ビューおよび研究ツールListAPIViewビュークラスは、自動車の資源のインタフェースこのクラスの継承完全な自動車のリソース・グループの検索は、画像リソースを持っているインタフェース画像リソースの値を確認する必要があります

2、GenericViewSetの研究ツール、完全な自動車のリソースクラス継承シングル捜査、調査グループ、テンジン、単一の変更、削除、単一のインタフェース

urls.py


from . import views
from django.conf.urls import url

urlpatterns = [
    
    url(r'^v2/Cars/$', views.CarViewList.as_view()),

    url(r'^v3/Cars/$', views.CarViewGenericViewSet.as_view({'get': 'list'})),
    url(r'^v3/Cars/(?P<pk>\d+)$', views.CarViewGenericViewSet.as_view(
        {'get': 'retrieve', 'post': 'create', 'put': 'update', 'patch': 'partial_update', 'delete': 'destroy'})),
]

views.py


class CarViewList(ListAPIView):
    serializer_class = serializers.CarModelSrealizer
    queryset = models.Car.objects.filter(is_delete=False).all()
    lookup_url_kwarg = 'pk'

    def get(self, request, *args, **kwargs):
        return self.list(request, *args, **kwargs)


class CarViewGenericViewSet(GenericViewSet, ListModelMixin, RetrieveModelMixin, CreateModelMixin, UpdateModelMixin,
                            DestroyModelMixin):
    serializer_class = serializers.CarModelSrealizer
    queryset = models.Car.objects.filter(is_delete=False).all()
    lookup_url_kwarg = 'pk'

models.py

from django.db import models

# 汽车表、汽车商家表、赞助商表、赞助商详情表
class BaseModel(models.Model):
    is_delete = models.BooleanField(default=False)
    createdTime = models.DateTimeField(auto_now_add=True)
    class Meta:
        abstract = True

class Car(BaseModel):
    name = models.CharField(max_length=64)
    price = models.DecimalField(max_digits=10, decimal_places=2)
    image = models.ImageField(upload_to='img', default='media/img/default.png')
    brand = models.ForeignKey(to='Brand', db_constraint=False, null=True, on_delete=models.SET_NULL, related_name='cars')
    sponsors = models.ManyToManyField(to='Sponsor', db_constraint=False, related_name='cars')

    @property
    def brand_name(self):
        return self.brand.name

    @property
    def sponsor_list(self):
        sponsor_list_temp = []
        for sponsor in self.sponsors.all():
            sponsor_dic = {
                'name': sponsor.name
            }
            try:
                sponsor_dic['phone'] = sponsor.detail.phone
            except:
                sponsor_dic['phone'] = '未知'
            sponsor_list_temp.append(sponsor_dic)
        return sponsor_list_temp

    class Meta:
        verbose_name_plural = '汽车'

    def __str__(self):
        return self.name

class Brand(BaseModel):
    name = models.CharField(max_length=64)

    class Meta:
        verbose_name_plural = '品牌'

    def __str__(self):
        return self.name

class Sponsor(BaseModel):
    name = models.CharField(max_length=64)

    @property
    def phone(self):
        try:
            return self.detail.phone
        except:
            return "无"

    class Meta:
        verbose_name_plural = '赞助商'

    def __str__(self):
        return self.name

class SponsorDetail(BaseModel):
    phone = models.CharField(max_length=11)
    sponsor = models.OneToOneField(to=Sponsor, db_constraint=False, on_delete=models.CASCADE, related_name='detail')

    class Meta:
        verbose_name_plural = '赞助商详情'

    def __str__(self):
        try:  # 连表可能会出现问题，所以要异常处理
            return self.sponsor.name + '的详情'
        except:
            return super().__str__()

トピック：

urls.py


from . import views
from django.conf.urls import url

urlpatterns = [
    
    url(r'^v2/Cars/$', views.CarViewList.as_view()),

    url(r'^v3/Cars/$', views.CarViewGenericViewSet.as_view({'get': 'list'})),
    url(r'^v3/Cars/(?P<pk>\d+)$', views.CarViewGenericViewSet.as_view(
        {'get': 'retrieve', 'post': 'create', 'put': 'update', 'patch': 'partial_update', 'delete': 'destroy'})),
]

views.py


class CarViewList(ListAPIView):
    serializer_class = serializers.CarModelSrealizer
    queryset = models.Car.objects.filter(is_delete=False).all()
    lookup_url_kwarg = 'pk'

    def get(self, request, *args, **kwargs):
        return self.list(request, *args, **kwargs)


class CarViewGenericViewSet(GenericViewSet, ListModelMixin, RetrieveModelMixin, CreateModelMixin, UpdateModelMixin,
                            DestroyModelMixin):
    serializer_class = serializers.CarModelSrealizer
    queryset = models.Car.objects.filter(is_delete=False).all()
    lookup_url_kwarg = 'pk'

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