完成了djangofilter以及restframework的源码安装以及汉化。对于搜索排序，过滤进行了学习。完成了类别数据接口，完成vue展示商品分类数据，完成商品列表页，完成商品搜素功能。

Author: mtianyan

VueDjangoFrameWorkShop/settings.py

@@ -49,9 +49,12 @@
     'crispy_forms',
     'DjangoUeditor',
     'rest_framework',
+    'django_filters',
+    'corsheaders',
 ]
 
 MIDDLEWARE = [
+    'corsheaders.middleware.CorsMiddleware',
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.common.CommonMiddleware',
@@ -61,6 +64,11 @@
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
 ]
 
+CORS_ORIGIN_ALLOW_ALL = True
+CORS_ORIGIN_WHITELIST = (
+    '127.0.0.1:3000'
+)
+
 ROOT_URLCONF = 'VueDjangoFrameWorkShop.urls'
 
 TEMPLATES = [

VueDjangoFrameWorkShop/urls.py

@@ -21,7 +21,7 @@
 from django.urls import path, re_path, include
 
 from VueDjangoFrameWorkShop.settings import MEDIA_ROOT
-from goods.views import GoodsListViewSet
+from goods.views import GoodsListViewSet, CategoryViewset
 # from goods.views import GoodsListView,
 # from goods.views_base import GoodsListView
 from rest_framework.routers import DefaultRouter
@@ -31,8 +31,11 @@
 # })
 router = DefaultRouter()
 
-# 配置goods的url
-router.register(r'goods', GoodsListViewSet)
+# 配置goods的url,这个basename是干啥的
+router.register(r'goods', GoodsListViewSet, base_name="goods")
+
+# 配置Category的url
+router.register(r'categories', CategoryViewset, base_name="categories")
 
 urlpatterns = [
     # path('admin/', admin.site.urls),

apps/goods/filters.py

@@ -0,0 +1,34 @@
+# -*- coding:utf-8 _*-
+from django.db.models import Q
+
+__author__ = 'mtianyan'
+__date__ = '2018/03/03 00:44'
+
+from django_filters import rest_framework as filters
+from goods.models import Goods
+from django.utils.translation import ugettext_lazy as _
+
+
+class GoodsFilter(filters.FilterSet):
+    """
+    商品的过滤类
+    """
+    # 指定字段以及字段上的行为，在shop_price上大于等于
+    pricemin = filters.NumberFilter(name="shop_price", lookup_expr='gte', help_text=_('大于等于本店价格'))
+    pricemax = filters.NumberFilter(name="shop_price", lookup_expr='lte', help_text=_('小于等于本店价格'))
+    # 行为: 名称中包含某字符，且字符不区分大小写
+    # name = filters.CharFilter(name="name" ,lookup_expr="icontains")
+    top_category = filters.NumberFilter(name="category",method='top_category_filter')
+
+    def top_category_filter(self, queryset, name, value):
+        # 不管当前点击的是一级目录二级目录还是三级目录。
+        return queryset.filter(Q(category_id=value)|Q(category__parent_category_id=value)|Q(category__parent_category__parent_category_id=value))
+
+    class Meta:
+        model = Goods
+        fields = ['pricemin', 'pricemax', 'name']
+        # fields = {
+        #            'shop_price': ['gte','lte', 'icontains'],
+        #            }
+
+ 

apps/goods/serializers.py

@@ -18,4 +18,33 @@ class GoodsSerializer(serializers.ModelSerializer):
     class Meta:
         model = Goods
         # fields = ('category', 'goods_sn', 'name', 'click_num', 'sold_num', 'market_price')
+        fields = "__all__"
+
+
+class CategorySerializer3(serializers.ModelSerializer):
+    """
+    商品三级类别序列化
+    """
+    class Meta:
+        model = GoodsCategory
+        fields = "__all__"
+
+
+class CategorySerializer2(serializers.ModelSerializer):
+    """
+    商品二级类别序列化
+    """
+    sub_cat = CategorySerializer3(many=True)
+    class Meta:
+        model = GoodsCategory
+        fields = "__all__"
+
+
+class CategorySerializer(serializers.ModelSerializer):
+    """
+    商品一级类别序列化
+    """
+    sub_cat = CategorySerializer2(many=True)
+    class Meta:
+        model = GoodsCategory
         fields = "__all__"

apps/goods/views.py

@@ -6,11 +6,15 @@
 from rest_framework.pagination import PageNumberPagination
 from rest_framework.response import Response
 from rest_framework.views import APIView
-from goods.serializers import GoodsSerializer
-from .models import Goods
+
+from goods.filters import GoodsFilter
+from goods.serializers import GoodsSerializer, CategorySerializer
+from .models import Goods, GoodsCategory
 from rest_framework import mixins
 from rest_framework import generics
 from rest_framework import viewsets
+from rest_framework import filters
+from django_filters.rest_framework import DjangoFilterBackend
 
 
 # 商品列表分页类
@@ -28,13 +32,42 @@ class GoodsPagination(PageNumberPagination):
 # class GoodsListView(mixins.ListModelMixin, viewsets.GenericViewSet):
 class GoodsListViewSet(mixins.ListModelMixin, viewsets.GenericViewSet):
     """
-    商品列表页
+    商品列表页，分页，搜索，过滤，排序
     """
-    queryset = Goods.objects.all()
+
+    # queryset是一个属性
+    # good_viewset.queryset就可以访问到
+    # 函数就必须调用good_viewset.get_queryset()函数
+    # 如果有了下面的get_queryset。那么上面的这个就不需要了。
+    # queryset = Goods.objects.all()
+
+
+
     serializer_class = GoodsSerializer
     pagination_class = GoodsPagination
+    queryset = Goods.objects.all()
 
+    # 设置三大常用过滤器之DjangoFilterBackend, SearchFilter
+    filter_backends = (DjangoFilterBackend, filters.SearchFilter, filters.OrderingFilter)
+    # 设置排序
+    ordering_fields = ('sold_num', 'shop_price')
+    # 设置filter的类为我们自定义的类
+    filter_class = GoodsFilter
 
+    # 设置我们的search字段
+    search_fields = ('name', 'goods_brief', 'goods_desc')
+
+    # 设置我们需要进行过滤的字段
+    # filter_fields = ('name', 'shop_price')
+
+
+
+    # def get_queryset(self):
+    #     # 价格大于100的
+    #     price_min = self.request.query_params.get('price_min', 0)
+    #     if price_min:
+    #         self.queryset = Goods.objects.filter(shop_price__gt=int(price_min)).order_by('-add_time')
+    #     return self.queryset
 # class GoodsListView(APIView):
 #     """
 #     列出所有商品
@@ -52,3 +85,13 @@ class GoodsListViewSet(mixins.ListModelMixin, viewsets.GenericViewSet):
     #         return Response(serializer.data, status=status.HTTP_201_CREATED)
     #     return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
+
+class CategoryViewset(mixins.ListModelMixin, mixins.RetrieveModelMixin, viewsets.GenericViewSet):
+    """
+    list:
+        商品分类列表数据
+    retrieve:
+        获取商品分类详情
+    """
+    queryset = GoodsCategory.objects.filter(category_type=1)
+    serializer_class = CategorySerializer

extra_apps/django_filters/__init__.py

@@ -0,0 +1,34 @@
+# flake8: noqa
+from __future__ import absolute_import
+
+import pkgutil
+
+from .constants import STRICTNESS
+from .filterset import FilterSet
+from .filters import *
+
+# We make the `rest_framework` module available without an additional import.
+#   If DRF is not installed, no-op.
+if pkgutil.find_loader('rest_framework') is not None:
+    from . import rest_framework
+del pkgutil
+
+__version__ = '1.1.0'
+
+
+def parse_version(version):
+    '''
+    '0.1.2-dev' -> (0, 1, 2, 'dev')
+    '0.1.2' -> (0, 1, 2)
+    '''
+    v = version.split('.')
+    v = v[:-1] + v[-1].split('-')
+    ret = []
+    for p in v:
+        if p.isdigit():
+            ret.append(int(p))
+        else:
+            ret.append(p)
+    return tuple(ret)
+
+VERSION = parse_version(__version__)

extra_apps/django_filters/compat.py

@@ -0,0 +1,71 @@
+
+from __future__ import absolute_import
+
+import django
+from django.conf import settings
+from django.utils.timezone import make_aware as make_aware_orig
+
+try:
+    from django.forms.utils import pretty_name
+except ImportError:  # Django 1.8
+    from django.forms.forms import pretty_name
+
+# django-crispy-forms is optional
+try:
+    import crispy_forms
+except ImportError:
+    crispy_forms = None
+
+
+def is_crispy():
+    return 'crispy_forms' in settings.INSTALLED_APPS and crispy_forms
+
+
+# coreapi is optional (Note that uritemplate is a dependency of coreapi)
+# Fixes #525 - cannot simply import from rest_framework.compat, due to
+# import issues w/ django-guardian.
+try:
+    import coreapi
+except ImportError:
+    coreapi = None
+
+try:
+    import coreschema
+except ImportError:
+    coreschema = None
+
+def remote_field(field):
+    """
+    https://docs.djangoproject.com/en/1.9/releases/1.9/#field-rel-changes
+    """
+    if django.VERSION >= (1, 9):
+        return field.remote_field
+    return field.rel
+
+
+def remote_model(field):
+    if django.VERSION >= (1, 9):
+        return remote_field(field).model
+    return remote_field(field).to
+
+
+def remote_queryset(field):
+    model = remote_model(field)
+    limit_choices_to = field.get_limit_choices_to()
+
+    return model._default_manager.complex_filter(limit_choices_to)
+
+
+def format_value(widget, value):
+    if django.VERSION >= (1, 10):
+        return widget.format_value(value)
+    return widget._format_value(value)
+
+
+
+def make_aware(value, timezone, is_dst):
+    """is_dst was added for 1.9"""
+    if django.VERSION >= (1, 9):
+        return make_aware_orig(value, timezone, is_dst)
+    else:
+        return make_aware_orig(value, timezone)