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@@ -6,7 +6,7 @@
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-问题2：描述项目的物理架构。（上图中补充负载均衡（反向代理）服务器、数据库服务器、文件服务器、邮件服务器、缓存服务器、防火墙等，而且每个节点都有可能是多节点构成的集群，如下图所示）
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+问题2：描述项目的物理架构。（上图中补充负载均衡（反向代理）服务器、数据库服务器、文件服务器、邮件服务器、缓存服务器、防火墙等，而且每个节点都有可能是多节点构成的集群，如下图所示，架构并不是一开始就是这样，而是逐步演进的）
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@@ -850,7 +850,7 @@ CACHES = {
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'LOCATION': [
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'redis://1.2.3.4:6379/0',
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],
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- 'KEY_PREFIX': 'fangtx',
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+ 'KEY_PREFIX': 'teamproject',
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'OPTIONS': {
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'CLIENT_CLASS': 'django_redis.client.DefaultClient',
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'CONNECTION_POOL_KWARGS': {
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@@ -865,7 +865,7 @@ CACHES = {
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'LOCATION': [
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'redis://1.2.3.4:6379/1',
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],
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- 'KEY_PREFIX': 'fangtx:page',
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+ 'KEY_PREFIX': 'teamproject:page',
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'OPTIONS': {
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'CLIENT_CLASS': 'django_redis.client.DefaultClient',
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'CONNECTION_POOL_KWARGS': {
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@@ -880,7 +880,7 @@ CACHES = {
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'LOCATION': [
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'redis://1.2.3.4:6379/2',
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],
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- 'KEY_PREFIX': 'fangtx:session',
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+ 'KEY_PREFIX': 'teamproject:session',
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'TIMEOUT': 1209600,
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'OPTIONS': {
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'CLIENT_CLASS': 'django_redis.client.DefaultClient',
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@@ -896,7 +896,7 @@ CACHES = {
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'LOCATION': [
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'redis://1.2.3.4:6379/3',
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],
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- 'KEY_PREFIX': 'fangtx:api',
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+ 'KEY_PREFIX': 'teamproject:api',
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'OPTIONS': {
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'CLIENT_CLASS': 'django_redis.client.DefaultClient',
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'CONNECTION_POOL_KWARGS': {
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@@ -1357,17 +1357,55 @@ REST_FRAMEWORK = {
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```
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```Python
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-class EstateViewSet(CacheResponseMixin, ModelViewSet):
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- # 通过queryset指定如何获取数据（资源）
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+from django.utils.decorators import method_decorator
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+from django.views.decorators.cache import cache_page
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+from django_filters.rest_framework import DjangoFilterBackend
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+from rest_framework.filters import OrderingFilter
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+from rest_framework.generics import RetrieveAPIView, ListCreateAPIView
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+
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+from api.serializers import EstateSerializer
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+from common.models import Estate
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+
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+
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+@method_decorator(decorator=cache_page(timeout=120, cache='api', key_prefix='estates'), name='get')
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+class EstateView(RetrieveAPIView, ListCreateAPIView):
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queryset = Estate.objects.all().select_related('district').prefetch_related('agents')
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- # 通过serializer_class指定如何序列化数据
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serializer_class = EstateSerializer
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- # 通过filter_backends指定如何提供筛选（覆盖默认的设置）
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- # filter_backends = (DjangoFilterBackend, OrderingFilter)
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- # 指定根据哪些字段进行数据筛选
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- filter_fields = ('district', )
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- # 指定根据哪些字段对数据进行排序
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- ordering_fields = ('hot', )
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+ filter_backends = (DjangoFilterBackend, OrderingFilter)
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+ filter_fields = ('name', 'district')
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+ ordering = ('-hot', )
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+ ordering_fields = ('hot', 'estateid')
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+```
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+
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+```Python
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+from django_filters import rest_framework as drf
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+from common.models import HouseInfo
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+
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+
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+class HouseInfoFilter(drf.FilterSet):
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+ """自定义房源数据过滤器"""
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+
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+ title = drf.CharFilter(lookup_expr='starts')
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+ dist = drf.NumberFilter(field_name='district')
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+ min_price = drf.NumberFilter(field_name='price', lookup_expr='gte')
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+ max_price = drf.NumberFilter(field_name='price', lookup_expr='lte')
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+ type = drf.NumberFilter()
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+
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+ class Meta:
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+ model = HouseInfo
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+ fields = ('title', 'district', 'min_price', 'max_price', 'type')
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+```
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+
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+```Python
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+class HouseInfoViewSet(CacheResponseMixin, ReadOnlyModelViewSet):
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+ queryset = HouseInfo.objects.all() \
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+ .select_related('type', 'district', 'estate', 'agent') \
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+ .prefetch_related('tags').order_by('-pubdate')
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+ serializer_class = HouseInfoSerializer
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+ filter_backends = (DjangoFilterBackend, OrderingFilter)
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+ filterset_class = HouseInfoFilter
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+ ordering = ('price',)
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+ ordering_fields = ('price', 'area')
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```
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#### 身份认证
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jackfrued