完成cache的学习

apps/goods/views2.py

@@ -1,13 +1,18 @@
 from django.shortcuts import render, redirect, reverse
 from django.http.response import JsonResponse
 from django.views.generic.base import View
+from django.utils.decorators import method_decorator
+from django.views.decorators.cache import cache_page
 
 from apps.goods.models import *
 from apps.goods.forms import *
 
 
+@method_decorator(cache_page(60 * 1), name='get')  # 通过对类的装饰，实现指定方法的缓存
 # Create your views here.
 class GoodCateView(View):
+
+    @method_decorator(cache_page(60*1))  # 直接缓存指定方法
     def get(self, request):
         cates = GoodsCategory.objects.all()
         print(cates)

apps/goods/views_api.py

@@ -3,12 +3,14 @@ from rest_framework.response import Response
 from rest_framework import status
 
 from django.http import Http404
+from django.views.decorators.cache import cache_page
 
 from apps.goods.models import *
 from apps.goods.serializers import *
 
 
 @api_view(['GET', 'POST', 'PUT', 'DELETE'])
+@cache_page(60*1)  # 缓存1分钟
 def goods_list(request, *args, **kwargs):
     if request.method == 'GET':
         # 获取数据

apps/goods/views_apiview.py

@@ -1,12 +1,14 @@
 from rest_framework.views import APIView
 from rest_framework.response import Response
 from rest_framework import status
+from rest_framework_extensions.cache.decorators import cache_response
 
 from apps.goods.models import *
 from apps.goods.serializers import *
 
 
 class GoodsAPIView(APIView):
+    @cache_response(timeout=60*1, cache='default')
     def get(self, request, *args, **kwargs):
         query_data = Goods.objects.all()[:10]
         goods_json = GoodsSerializers(query_data, many=True)

apps/goods/views_viewset.py

@@ -3,6 +3,7 @@ from rest_framework import mixins
 from django_filters.rest_framework import DjangoFilterBackend
 from django_filters import rest_framework
 from rest_framework import filters
+from rest_framework_extensions.cache.mixins import CacheResponseMixin
 
 from apps.goods.models import Goods
 from apps.goods.serializers import GoodsSerializers

myshop_back/settings.py

@@ -13,7 +13,6 @@ import datetime
 from pathlib import Path
 import sys, os
 
-
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
 
@@ -150,7 +149,6 @@ auth.User.groups: (fields.E304) Reverse accessor 'Group.user_set' for 'auth.User
 """
 AUTH_USER_MODEL = 'user.Myuser'
 
-
 REST_FRAMEWORK = {
     # 设置全局渲染模板
     'DEFAULT_RENDERER_CLASSES': (
@@ -184,3 +182,29 @@ SIMPLE_JWT = {
 # 跨域配置
 CORS_ALLOW_CREDENTIALS = True  # 跨域时是否携带cookie
 CORS_ORIGIN_ALLOW_ALL = True  # 指定所有域名都可以访问后端接口
+
+# CACHES = {
+#     'default': {
+#         'BACKEND': 'django.core.cache.backends.db.DatabaseCache',
+#         'LOCATION': 'my_cache_table',
+#     }
+# }
+
+CACHES = {
+    'default': {
+        'BACKEND': 'django_redis.cache.RedisCache',
+        'LOCATION': 'redis://home.rogersun.cn:6379',
+        'OPTIONS': {
+            'CLIENT_CLASS': 'django_redis.client.DefaultClient',
+            'PASSWORD': 'Sxzgx1209',
+        }
+    }
+}
+
+SESSION_ENGINE = 'django.contrib.sessions.backends.cached_db'
+SESSION_CACHE_ALIAS = 'default'
+
+REST_FRAMEWORK_EXTENSIONS = {
+    'DEFAULT_CACHE_RESPONSE_TIMEOUT': 60,  # 缓存时间60秒
+    'DEFAULT_USE_CACHE': 'default',  # 默认缓存方式， 对应CACHE中的设置
+}