class Car(models.Model):
name = models.CharField(max_length=16, unique=True, verbose_name='车名')
price = models.DecimalField(max_digits=10, decimal_places=2, verbose_name='价格')
brand = models.CharField(max_length=16, verbose_name='品牌')
class Meta:
db_table = 'api_car'
verbose_name = '汽车表'
verbose_name_plural = verbose_name
def __str__(self):
return self.name
#2.
from . import models
admin.site.register(models.Car)
#3.
class CarModelSerializer(serializers.ModelSerializer):
class Meta:
model = models.Car
fields = ['name', 'price', 'brand']
#4.
# Car的群查接口
from rest_framework.generics import ListAPIView
class CarListAPIView(ListAPIView):
queryset = models.Car.objects.all()
serializer_class = serializers.CarModelSerializer
#5.
url(r'^cars/$', views.CarListAPIView.as_view()),
from rest_framework.generics import ListAPIView # 第一步:drf的SearchFilter - 搜索过滤 from rest_framework.filters import SearchFilter class CarListAPIView(ListAPIView): queryset = models.Car.objects.all() serializer_class = serializers.CarModelSerializer # 第二步:局部配置 过滤类 们(全局配置用DEFAULT_FILTER_BACKENDS) filter_backends = [SearchFilter] # 第三步:SearchFilter过滤类依赖的过滤条件 => 接口:/cars/?search=... search_fields = ['name', 'price'] # eg:/cars/?search=1,name和price中包含1的数据都会被查询出
from rest_framework.generics import ListAPIView # 第一步:drf的OrderingFilter - 排序过滤 from rest_framework.filters import OrderingFilter class CarListAPIView(ListAPIView): queryset = models.Car.objects.all() serializer_class = serializers.CarModelSerializer # 第二步:局部配置 过滤类 们(全局配置用DEFAULT_FILTER_BACKENDS) filter_backends = [OrderingFilter] # 第三步:OrderingFilter过滤类依赖的过滤条件 => 接口:/cars/?ordering=... ordering_fields = ['pk', 'price'] # eg:/cars/?ordering=-price,pk,先按price降序,如果出现price相同,再按pk升序
from rest_framework.pagination import PageNumberPagination
class MyPageNumberPagination(PageNumberPagination):
# ?page=页码
page_query_param = 'page'
# ?page=页面 下默认一页显示的条数
page_size = 3
# ?page=页面&page_size=条数 用户自定义一页显示的条数
page_size_query_param = 'page_size'
# 用户自定义一页显示的条数最大限制:数值超过5也只显示5条
max_page_size = 5
# 2.cbv
from rest_framework.generics import ListAPIView
# 导入自定义的分页器
from . import pagenations
class CarListAPIView(ListAPIView):
# 如果queryset没有过滤条件,就必须 .all(),不然分页会出问题
queryset = models.Car.objects.all()
serializer_class = serializers.CarModelSerializer
# 分页组件 - 给视图类配置分页类即可 - 分页类需要自定义,继承drf提供的分页类即可
pagination_class = pagenations.MyPageNumberPagination