Python网上商城源代码，基于Django+MySQL+Redis，支持支付宝付款，实现：用户登录注册，商品展示，商品详情界面，搜索商品，将不同尺寸颜色数量的商品加入购物车，购物车管理，地址管理，形成订单，支付宝支付。
更改netshop里settings的DATABASES。
要启动支付功能时，去掉在order里urls.py的两条path前的注释，以及views.py里第54行和最后一行的注释，填入支付宝公钥、应用私钥和appid。
程序运行截图



核心程序代码
setting.py

"""
Django settings for netshop project.

Generated by 'django-admin startproject' using Django 4.0.3.

For more information on this file, see
https://docs.djangoproject.com/en/4.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/4.0/ref/settings/
"""

from pathlib import Path
import os

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/4.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-$kjc-+6u73ma^=xp7pf7)hspeb_9=++h+nb8hl&&uhjul%us!5'

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

ALLOWED_HOSTS = []

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    # my app
    'goods',
    'userapp',
    'cart',
    'order',
    'utils',
]

MIDDLEWARE = [   # 中间件
    '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 = 'netshop.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(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',
                'userapp.mycontextprocessors.getUserInfo',   # 不论模块和应用都能共享
            ],
        },
    },
]

WSGI_APPLICATION = 'netshop.wsgi.application'

# Database
# https://docs.djangoproject.com/en/4.0/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'netshop',
        'HOST': '127.0.0.1',
        'POST': '3306',
        'USER': 'root',
        'PASSWORD': ''
    }
}

# Password validation
# https://docs.djangoproject.com/en/4.0/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/4.0/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True   # 看到视频上有

USE_TZ = True

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/4.0/howto/static-files/

STATIC_URL = '/static/'

STATICFILES_DIRS = [
    os.path.join(BASE_DIR,'static\css'),
    os.path.join(BASE_DIR,'static\js'),
    os.path.join(BASE_DIR,'static\images'),
]

MEDIA_URL = '/media/'

MEDIA_ROOT = os.path.join(BASE_DIR,'media')

# Default primary key field type
# https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'


# global_settings
CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
    },
    'session-redis': {
        "BACKEND": "django_redis.cache.RedisCache",
        "LOCATION": "redis://127.0.0.1:6379/1",
    }
}
SESSION_CACHE_ALIAS = 'session-redis'
SESSION_ENGINE = 'django.contrib.sessions.backends.cache'

goods/views.py

from django.shortcuts import render

# Create your views here.
from django.views import View
from goods.models import *
from django.core.paginator import Paginator
import math


class IndexView(View):
    def get(self, request, cid=2, num=1, *args, **kwargs):
        cid = int(cid)
        num = int(num)

        # 查询所有类别信息
        categorys = Category.objects.all().order_by('id')

        # 查询当前类别下的所有商品信息
        goodsList = Goods.objects.filter(category_id=cid).order_by('id')

        # 分页 每页显示八条记录
        pager = Paginator(goodsList, 8)

        # 获取当前页的数据
        page_goodsList = pager.page(num)

        # 每页开始页码
        begin = (num - int(math.ceil(10.0 / 2)))
        if begin < 1:
            begin = 1

        # 每页结束页码
        end = begin + 9
        if end > pager.num_pages:
            end = pager.num_pages

        if end <= 10:
            begin = 1
        else:
            begin = end - 9

        pagelist = range(begin, end + 1)

        return render(request, 'index.html',
                      {'categorys': categorys, 'goodsList': page_goodsList, 'currentcid': cid, 'pagelist': pagelist,
                       'currentNum': num})


def recommed_view(func):  # 怎么说呢 因为现在只有女装的数据 其他的没有 如果你单纯浏览女装的东西 这方法相当于是历史记录了 但你浏览别的类别就不会推荐女装的东西了
    def wrapper(detailView, request, goodsid, *args, **kwargs):
        # 将存放在cookie中的goodsid获取
        cookie_str = request.COOKIES.get('recommend', '')

        # 存放goodsID放在里面
        goodsidlist = [gid for gid in cookie_str.split() if gid.strip()]

        # 最终需要获取的推荐商品
        goodsobjlist = [Goods.objects.get(id=gsid) for gsid in goodsidlist if
                        gsid != goodsid and Goods.objects.get(id=gsid).category_id == Goods.objects.get(id=goodsid).category_id][:4]
        # id对象放在里面就是id对应整个商品的属性 查询出来的是整个goodislist的所有对象，但是下面只显示四个，列表切片就可以了

        # 将 goodsliest 传给get方法
        response = func(detailView, request, goodsid, goodsobjlist, *args, **kwargs)
        # 这个地方你可以理解为调用了get方法，然后返回给了浏览器一个response对象了，只不过这个地方拿过来了，很基本的通用操作，注意一下

        # 判断 goodsid 是否存在goodsidlist中
        if goodsid in goodsidlist:
            goodsidlist.remove(goodsid)
            goodsidlist.insert(0, goodsid)
        else:
            goodsidlist.insert(0, goodsid)

        # 将goosidlist中的数据保存到cookid中
        response.set_cookie('recommend', ' '.join('%s' % gsid for gsid in goodsidlist), max_age=3 * 24 * 60 * 60)
        return response

    return wrapper


class DetailView(View):
    @recommed_view
    def get(self, request, goodsid, recommendlist=[]):
        goodsid = int(goodsid)

        # 根据goodsid查询商品详情信息，（goods对象）
        goods = Goods.objects.get(id=goodsid)

        category = Category.objects.get(id=goods.category_id).cname

        return render(request, 'detail.html', {'goods': goods, 'recommendlist': recommendlist, 'category': category})


class SearchView(View):
    def get(self, request, num=1, *args, **kwargs):
        num = int(num)

        search = request.GET.get('search', '')

        goods = Goods.objects.filter(gname__contains=search)

        return render(request, 'search.html', {'goods': goods})

完整源代码下载地址：Python网上商城源代码
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