setting 和view 代码如下：用的是Django3 +py3 djangorestframework-simplejwt库 QQ 95 67 5760 5

from pathlib import Path
import os
import sys
# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent
# BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, BASE_DIR)
sys.path.insert(0, os.path.join(BASE_DIR, 'apps'))
sys.path.insert(0, os.path.join(BASE_DIR, 'extra_apps'))

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-ie@ur^0%jjxnc*1wiot8#z)0_lrw0_gvhmqfspb*q&qdpouetk'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = ['*']
AUTH_USER_MODEL = 'users.UserProfile'


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'users.apps.UsersConfig',
    'goods.apps.GoodsConfig',
    'user_operation.apps.UserOperationConfig',
    'trade.apps.TradeConfig',
    'crispy_forms',
    'xadmin',
    'DjangoUeditor',
    'rest_framework',
    'corsheaders',
    'django_filters',
    'rest_framework.authtoken'

]

MIDDLEWARE = [
    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'MxShop.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR / 'templates']
        ,
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'MxShop.wsgi.application'


# Database
# https://docs.djangoproject.com/en/3.2/ref/settings/#databases

DATABASES = {
    'default': {
        # 'ENGINE': 'django.db.backends.sqlite3',
        # 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
        'ENGINE': 'django.db.backends.postgresql_psycopg2',
        'NAME': 'mxshop', #数据库名字
        'USER': 'postgres', #用户名
        "PASSWORD" : '123456', #自己的密码
        "HOST":'',
        'PORT':5432,
    }
}


# Password validation
# https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/3.2/topics/i18n/

LANGUAGE_CODE = 'zh-hans'  #中文支持，django1.8以后支持；1.8以前是zh-cn
TIME_ZONE = 'Asia/Shanghai'

USE_I18N = True

USE_L10N = True

USE_TZ = False


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.2/howto/static-files/

STATIC_URL = '/static/'
MEDIA_URL = "/media/"
MEDIA_ROOT = os.path.join(BASE_DIR, "media")

from datetime import timedelta
SIMPLE_JWT = {
    'ACCESS_TOKEN_LIFETIME': timedelta(minutes=40),
    'REFRESH_TOKEN_LIFETIME': timedelta(days=1),
    # 'AUTH_HEADER_TYPES': ('JWT',),
    # 'AUTH_HEADER_TYPES': ('Bearer',),
}

REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework.authentication.BasicAuthentication',
        'rest_framework.authentication.SessionAuthentication',
         # 'rest_framework.authentication.TokenAuthentication',
        'rest_framework_simplejwt.authentication.JWTAuthentication',
    ]
}
# 一般不建议在配置文件做全局配置，建议在单个view里面引入
# REST_FRAMEWORK = {
#     # django 过滤器配置
#     'DEFAULT_FILTER_BACKENDS': ['django_filters.rest_framework.DjangoFilterBackend']
# }
# REST_FRAMEWORK = {
#     'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
#     'PAGE_SIZE': 10,
# }


# Default primary key field type
# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

from django.shortcuts import render

# Create your views here.
from rest_framework.throttling import UserRateThrottle

from rest_framework.views import APIView
from rest_framework.response import  Response
from rest_framework import  generics
from rest_framework import  mixins
from rest_framework.pagination import PageNumberPagination
from rest_framework.authentication import TokenAuthentication
from rest_framework import viewsets
# 引入过滤配置
from django_filters.rest_framework import DjangoFilterBackend

from rest_framework import  filters

# 引入商品过滤类
from .filters import GoodsFilter
from .serializers import  GoodsSerializer,CategorySerializer
from .models import Goods,GoodsCategory


class GoodsPagination(PageNumberPagination):
    page_size = 2
    page_size_query_param = 'page_size'
    max_page_size = 100
    page_query_param = "p"

class GoodsListViewSet(mixins.ListModelMixin,viewsets.GenericViewSet):
    """
    商品列表页/分页、搜索、过滤、排序
    """
    throttle_classes = (UserRateThrottle,)
    # 获取所有商品数据：这里其实并没有直接获取到所有的数据，而是拼接了一个查询sql
    queryset = Goods.objects.all()
    #  对商品数据进行序列化
    serializer_class = GoodsSerializer
    # 对商品数据进行分页设置
    pagination_class = GoodsPagination
    # 校验token
    authentication_classes = (TokenAuthentication,)

    # 对数据进行过滤操作。filters.SearchFilter 是rdf的搜索 功能 ,filters.OrderingFilter 引入排序功能
    filter_backends = (DjangoFilterBackend,filters.SearchFilter,filters.OrderingFilter)
    # 精细过滤：引入自定义的过滤类进行精细处理
    filter_class = GoodsFilter
    # 引入rdf的过滤类进行通用过滤 多字段过滤
    # lookup_prefixes = {
    #     '^': 'istartswith', 以XX开头
    #     '=': 'iexact',  精确搜索
    #     '@': 'search', 模糊查询
    #     '$': 'iregex', 正则表达式
    # }
    search_class = ('=name','goods_brief','goods_desc')
    # 排序
    ordering_fields = ('sold_num','add_time')

class CategoryViewSet(mixins.ListModelMixin,mixins.RetrieveModelMixin, viewsets.GenericViewSet):
    """
    list:
        商品分类列表数据
    """
    queryset = GoodsCategory.objects.filter(category_type=1)
    serializer_class = CategorySerializer

# class GoodsListViewSet(mixins.ListModelMixin,viewsets.GenericViewSet):
#     """
#     商品列表页
#     """
#     queryset = Goods.objects.all()
#     serializer_class = GoodsSerializer
#     pagination_class = GoodsPagination


# class GoodsListView(generics.ListAPIView):
#     queryset = Goods.objects.all()
#     serializer_class = GoodsSerializer
#     pagination_class = GoodsPagination


# class GoodsListView(APIView):
#     """
#     List all goods
#     """
#     def get(self,request,format=None):
#         goods = Goods.objects.all()[:10]
#         goods_serializer = GoodsSerializer(goods,many = True)
#         return  Response(goods_serializer.data)
    #
    # def post(self,request,format=None):
    #     serializer = GoodsSerializer(data=request.data)
    #     if serializer.is_valid():
    #         serializer.save()
    #         return Response(serializer.data,status=status.HTTP_201_CREATED)
    #     return Response(serializer.errors,status=status.HTTP_400_BAD_REQUEST)
    #

图片描述