计算机毕业设计 基于深度学习的短视频内容理解与推荐系统的设计与实现 Python+Django+Vue 前后端分离 附源码 讲解 文档

news/2024/12/22 20:55:09/

🍊作者:计算机编程-吉哥
🍊简介:专业从事JavaWeb程序开发,微信小程序开发,定制化项目、 源码、代码讲解、文档撰写、ppt制作。做自己喜欢的事,生活就是快乐的。
🍊心愿:点赞 👍 收藏 ⭐评论 📝
🍅 文末获取源码联系

👇🏻 精彩专栏推荐订阅 👇🏻 不然下次找不到哟~
Java毕业设计项目~热门选题推荐《1000套》

Python毕业设计精品项目《1000套》

微信小程序毕业设计精品项目《1000套》

大数据/机器学习毕业设计精品项目《1000套》

目录

1.技术选型

2.开发工具

3.功能

3.1【角色】

3.2【前台功能模块】

3.3【后台功能模块】

4.项目演示截图

4.1 首页

4.2 短视频

4.3 交流论坛

4.4 个人中心

4.5 短视频管理

4.6 可视化大屏

4.7 系统管理

5.核心代码

5.1 Settings.py

5.2 Urls.py

5.3 Users_v.py

5.4 Auth.py

6.LW文档大纲参考


背景意义介绍:

基于Python的短视频内容理解与推荐系统,是利用深度学习技术对海量短视频内容进行分析和处理的智能平台。该系统通过模拟人脑的神经网络机制,自动学习和提取视频中的关键信息,实现对视频内容的分类、标签化以及个性化推荐。在信息爆炸的时代背景下,用户面临着信息过载的问题,而基于深度学习的推荐系统能够根据用户的历史行为和偏好,提供个性化的短视频内容,从而提高用户体验和满意度。

该系统的应用,不仅能够提升短视频平台的内容分发效率,还能够为内容创作者提供更多的曝光机会,推动短视频行业的健康发展。同时,系统的开发和应用也是对深度学习技术在多媒体领域应用的有益探索,对于推动人工智能技术的创新和应用具有重要的价值。

1.技术选型

深度学习、Python、Django、vue、elementui、html、css、js、mysql

2.开发工具

pycharm、navicat

3.功能

3.1【角色】

管理员、用户

3.2【前台功能模块】

  • 登录
  • 注册
  • 首页
  • 短视频
  • 交流论坛
  • 通知公告
  • 个人中心(个人中心、修改密码、我的发布、我的收藏)

3.3【后台功能模块】

  • 登录
  • 首页
  • 用户管理
  • 短视频管理(爬虫)
  • 交流论坛
  • 系统管理(通知公告类型、轮播图管理、通知公告)
  • 个人资料
  • 可视化大屏

4.项目演示截图

4.1 首页

4.2 短视频

4.3 交流论坛

4.4 个人中心

4.5 短视频管理

4.6 可视化大屏

4.7 系统管理

5.核心代码

5.1 Settings.py

python">"""
Django settings for dj2 project.Generated by 'django-admin startproject' using Django 2.0.For more information on this file, see
https://docs.djangoproject.com/en/2.0/topics/settings/For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.0/ref/settings/
"""import os
from concurrent.futures.thread import ThreadPoolExecutor
executor = ThreadPoolExecutor(20)
from util.configread import config_read# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.0/howto/deployment/checklist/# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'w5yn#0gn2tt7pvu%hvwt0!lt=!$6+eqp4%m8)u3u#gknm@jm)k'# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = TrueALLOWED_HOSTS = ["*"]# Application definitionINSTALLED_APPS = ['django.contrib.admin','django.contrib.auth','django.contrib.contenttypes','django.contrib.sessions','django.contrib.messages','django.contrib.staticfiles',"main",'corsheaders',
]MIDDLEWARE = ['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','threadlocals.middleware.ThreadLocalMiddleware',"xmiddleware.xparam.Xparam","xmiddleware.xauth.Xauth",'corsheaders.middleware.CorsMiddleware','django.middleware.common.CommonMiddleware',]
CORS_ALLOW_CREDENTIALS = True
CORS_ORIGIN_ALLOW_ALL = True
CORS_ALLOW_HEADERS = ('*')SESSION_ENGINE = "django.contrib.sessions.backends.cache"
SESSION_COOKIE_NAME  = "sessionid"
SESSION_COOKIE_PATH  = "/"
SESSION_COOKIE_DOMAIN = None
SESSION_COOKIE_SECURE = False
SESSION_COOKIE_HTTPONLY = True
SESSION_COOKIE_AGE = 1209600
SESSION_EXPIRE_AT_BROWSER_CLOSE = False
SESSION_SAVE_EVERY_REQUEST = FalseROOT_URLCONF = 'dj2.urls'
TEMPLATES_DIR = os.path.join(BASE_DIR, "templates")
TEMPLATES = [{'BACKEND': 'django.template.backends.django.DjangoTemplates','DIRS': [TEMPLATES_DIR],'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 = 'dj2.wsgi.application'EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_USE_TLS = False
EMAIL_USE_SSL = True
EMAIL_HOST = 'smtp.qq.com'
EMAIL_PORT = 465
EMAIL_HOST_USER = 'yclw9@qq.com'
EMAIL_HOST_PASSWORD = 'mhbrkuayvkkgbijd'# Database
# https://docs.djangoproject.com/en/2.0/ref/settings/#databases# DATABASES = {
#     'default': {
#         'ENGINE': 'django.db.backends.sqlite3',
#         'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
#     }
# }dbtype, host, port, user, passwd, dbName, charset,hasHadoop = config_read("config.ini")
dbName=dbName.replace(" ","").strip()
print(dbtype, host, port, user, passwd, dbName, charset)if dbtype == 'mysql':DATABASES = {'default': {# 'ENGINE': 'django.db.backends.sqlite3',# 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),'ENGINE': 'django.db.backends.mysql','OPTIONS': {'sql_mode': 'traditional','init_command': "SET sql_mode='traditional'",  # STRICT_TRANS_TABLES},'NAME': dbName,'USER': user,'PASSWORD': passwd,'HOST': host,'PORT': port,'charset': charset,'TEST': {'CHARSET': charset,'COLLATION': 'utf8_general_ci',},'CONN_MAX_AGE':60},}
else:print("请使用mysql5.5数据库")os._exit(1)# Password validation
# https://docs.djangoproject.com/en/2.0/ref/settings/#auth-password-validatorsAUTH_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/2.0/topics/i18n/LANGUAGE_CODE = 'zh-Hans'# TIME_ZONE = 'UTC'
TIME_ZONE = 'Asia/Shanghai'USE_I18N = TrueUSE_L10N = True# USE_TZ = True
USE_TZ = False# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.0/howto/static-files/STATIC_URL = '/assets/'
STATICFILES_DIRS =[
os.path.join(BASE_DIR, "templates/front/assets"),
]# media
MEDIA_URL = "/media/"  # 自定义
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')  # 自定义
if os.path.isdir(MEDIA_ROOT) == False:os.mkdir(MEDIA_ROOT)ALIPAY_APP_ID = '9021000132629452'
APP_PRIVATE_KEY_STRING = open('{}/util/alipay_key/app_private_2048.txt'.format(BASE_DIR)).read()
ALIPAY_PUBLIC_KEY_STRING = open('{}/util/alipay_key/alipay_public_2048.txt'.format(BASE_DIR)).read()
ALIPAY_SIGN_TYPE = 'RSA2'

5.2 Urls.py

python">"""dj2 URL ConfigurationThe `urlpatterns` list routes URLs to views. For more information please see:https://docs.djangoproject.com/en/2.0/topics/http/urls/
Examples:
Function views1. Add an import:  from my_app import views2. Add a URL to urlpatterns:  path('', views.home, name='home')
Class-based views1. Add an import:  from other_app.views import Home2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
Including another URLconf1. Import the include() function: from django.urls import include, path2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
"""
import os
from django.contrib import admin
from django.urls import path,include,re_path
from django.conf.urls import url
from django.views.static import serve
from django.views.generic import TemplateViewfrom . import views
from dj2.settings import dbName as schemaNameurlpatterns = [path('xadmin/', admin.site.urls),path(r'index/',views.index),path('{}/'.format(schemaName),include('main.urls')),#导入schemaNamere_path(r'admin/lib/(?P<p1>.*)/(?P<p2>.*)$', views.admin_lib2),re_path(r'admin/lib/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)$', views.admin_lib3),re_path(r'admin/lib/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)/(?P<p4>.*)$', views.admin_lib4),re_path(r'admin/page/(?P<p1>.*)$', views.admin_page),re_path(r'admin/page/(?P<p1>.*)/(?P<p2>.*)$', views.admin_page2),re_path(r'admin/pages/(?P<p1>.*)$', views.admin_pages),re_path(r'admin/pages/(?P<p1>.*)/(?P<p2>.*)$', views.admin_pages2),re_path(r'front/(?P<p1>.*)$', views.schema_front1),re_path(r'front/(?P<p1>.*)/(?P<p2>.*)$', views.schema_front2),re_path(r'front/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)$', views.schema_front3),re_path(r'front/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)/(?P<p4>.*)$', views.schema_front4),re_path(r'{}/front/(?P<p1>.*)$'.format(schemaName), views.schema_front1),re_path(r'{}/front/(?P<p1>.*)/(?P<p2>.*)$'.format(schemaName), views.schema_front2),re_path(r'{}/front/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)$'.format(schemaName), views.schema_front3),re_path(r'{}/front/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)/(?P<p4>.*)$'.format(schemaName), views.schema_front4),# re_path(r'assets/(?P<p1>.*)$', views.assets1),# re_path(r'assets/(?P<p1>.*)/(?P<p2>.*)$',  views.assets2),# re_path(r'assets/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)$',  views.assets3),# re_path(r'assets/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)/(?P<p4>.*)$',  views.assets4),#re_path(r'admin/(?P<p1>.*)$', views.admin_file1),re_path(r'admin/(?P<p1>.*)/(?P<p2>.*)$', views.admin_file2),re_path(r'admin/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)$', views.admin_file3),re_path(r'admin/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)/(?P<p4>.*)$', views.admin_file4),re_path(r'layui/(?P<p1>.*)$', views.layui1),re_path(r'layui/(?P<p1>.*)/(?P<p2>.*)$',  views.layui2),re_path(r'layui/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)$',  views.layui3),re_path(r'layui/(?P<p1>.*)/(?P<p2>.*)/(?P<p3>.*)/(?P<p4>.*)$',  views.layui4),re_path(r'pages/(?P<p1>.*)$', views.front_pages),re_path(r'pages/(?P<p1>.*)/(?P<p2>.*)$',  views.front_pages2),# re_path(r'pages/(?P<p1>.*)$',  views.front_file1),# re_path(r'(?P<p1>css|jss|img|image|iamges|font|fonts)/(?P<p2>.*)$', views.front_file2),re_path(r'modules/(?P<p1>.*)$', views.front_modules),re_path(r'css/(?P<p1>.*)$', views.css1),re_path(r'js/(?P<p1>.*)$', views.js1),re_path(r'img/(?P<p1>.*)$', views.img1),path(r'test/<str:p1>/',views.test),path(r'null',views.null),
]#判断admin使用vue还是jquery
if os.path.isdir(os.path.join(os.getcwd(),"templates/front/admin/dist/")):urlpatterns.extend([path(r'{}/admin/dist/index.html'.format(schemaName),TemplateView.as_view(template_name='front/admin/dist/index.html')),path(r'{}/admin/'.format(schemaName), TemplateView.as_view(template_name='front/admin/dist/index.html')),# 以下是后台admin的url匹配规则path(r'admin/dist/index.html'.format(schemaName),TemplateView.as_view(template_name='front/admin/dist/index.html')),path(r'admin/', TemplateView.as_view(template_name='front/admin/dist/index.html')),])
else:urlpatterns.extend([path(r'{}/admin/index.html'.format(schemaName),TemplateView.as_view(template_name='front/admin/index.html')),path(r'{}/admin/'.format(schemaName), TemplateView.as_view(template_name='front/admin/index.html')),# 以下是后台admin的url匹配规则path(r'admin/index.html'.format(schemaName),TemplateView.as_view(template_name='front/admin/index.html')),path(r'admin/', TemplateView.as_view(template_name='front/admin/index.html')),])if os.path.isfile(os.path.join(os.getcwd(),"templates/front/index.html")):urlpatterns.extend([path(r'index.html', TemplateView.as_view(template_name='front/index.html')),path(r'{}/index.html'.format(schemaName), TemplateView.as_view(template_name='front/index.html')),path(r'{}/front/index.html'.format(schemaName), TemplateView.as_view(template_name='front/index.html')),path(r'', TemplateView.as_view(template_name='front/index.html')),])

5.3 Users_v.py

python"># coding:utf-8
__author__ = "ila"from django.http import JsonResponsefrom .users_model import users
from util.codes import *
from util.auth import Auth
import util.message as mes
from dj2.settings import host,port,user,passwd,dbName,hasHadoopdef users_login(request):if request.method in ["POST", "GET"]:msg = {'code': normal_code, "msg": mes.normal_code}req_dict = request.session.get("req_dict")if req_dict.get('role')!=None:del req_dict['role']datas = users.getbyparams(users, users, req_dict)if not datas:msg['code'] = password_error_codemsg['msg'] = mes.password_error_codereturn JsonResponse(msg)req_dict['id'] = datas[0].get('id')return Auth.authenticate(Auth, users, req_dict)def users_register(request):if request.method in ["POST", "GET"]:msg = {'code': normal_code, "msg": mes.normal_code}req_dict = request.session.get("req_dict")error = users.createbyreq(users, users, req_dict)if error != None:msg['code'] = crud_error_codemsg['msg'] = errorreturn JsonResponse(msg)def users_session(request):''''''if request.method in ["POST", "GET"]:msg = {"code": normal_code,"msg":mes.normal_code, "data": {}}req_dict = {"id": request.session.get('params').get("id")}msg['data'] = users.getbyparams(users, users, req_dict)[0]return JsonResponse(msg)def users_logout(request):if request.method in ["POST", "GET"]:msg = {"msg": "退出成功","code": 0}return JsonResponse(msg)def users_page(request):''''''if request.method in ["POST", "GET"]:msg = {"code": normal_code, "msg": mes.normal_code,"data": {"currPage": 1, "totalPage": 1, "total": 1, "pageSize": 10, "list": []}}req_dict = request.session.get("req_dict")tablename = request.session.get("tablename")try:__hasMessage__ = users.__hasMessage__except:__hasMessage__ = Noneif __hasMessage__ and __hasMessage__ != "否":if tablename != "users":req_dict["userid"] = request.session.get("params").get("id")if tablename == "users":msg['data']['list'], msg['data']['currPage'], msg['data']['totalPage'], msg['data']['total'], \msg['data']['pageSize'] = users.page(users, users, req_dict)else:msg['data']['list'], msg['data']['currPage'], msg['data']['totalPage'], msg['data']['total'], \msg['data']['pageSize'] = [],1,0,0,10return JsonResponse(msg)def users_info(request, id_):''''''if request.method in ["POST", "GET"]:msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}data = users.getbyid(users, users, int(id_))if len(data) > 0:msg['data'] = data[0]# 浏览点击次数try:__browseClick__ = users.__browseClick__except:__browseClick__ = Noneif __browseClick__ and "clicknum" in users.getallcolumn(users, users):click_dict = {"id": int(id_), "clicknum": str(int(data[0].get("clicknum", 0)) + 1)}ret = users.updatebyparams(users, users, click_dict)if ret != None:msg['code'] = crud_error_codemsg['msg'] = retreturn JsonResponse(msg)def users_save(request):''''''if request.method in ["POST", "GET"]:msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}req_dict = request.session.get("req_dict")req_dict['role'] = '管理员'error = users.createbyreq(users, users, req_dict)if error != None:msg['code'] = crud_error_codemsg['msg'] = errorreturn JsonResponse(msg)def users_update(request):''''''if request.method in ["POST", "GET"]:msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}req_dict = request.session.get("req_dict")if req_dict.get("mima") and req_dict.get("password"):if "mima" not in users.getallcolumn(users,users):del req_dict["mima"]if "password" not in users.getallcolumn(users,users):del req_dict["password"]try:del req_dict["clicknum"]except:passerror = users.updatebyparams(users, users, req_dict)if error != None:msg['code'] = crud_error_codemsg['msg'] = errorreturn JsonResponse(msg)def users_delete(request):''''''if request.method in ["POST", "GET"]:msg = {"code": normal_code, "msg": mes.normal_code, "data": {}}req_dict = request.session.get("req_dict")error = users.deletes(users,users,req_dict.get("ids"))if error != None:msg['code'] = crud_error_codemsg['msg'] = errorreturn JsonResponse(msg)

5.4 Auth.py

# coding:utf-8
# author:ila
import base64, copy
from django.http import JsonResponse
from django.apps import appsfrom util.codes import *
from util import message as mesclass Auth(object):def authenticate(self, model, req_dict):"""用户登录,登录成功返回token;登录失败返回失败原因:param username:账号:param password:密码:return: json"""msg = {'code': normal_code, 'msg': mes.normal_code, 'data': {}}tablename = model.__tablename__encode_dict = {"tablename": tablename, "params": req_dict}encode_str = base64.b64encode(str(encode_dict).encode("utf-8"))msg['data']["id"] = req_dict.get("id")msg["id"] = req_dict.get("id")msg['token'] = encode_str.decode('utf-8')return JsonResponse(msg)def identify(self, request):"""用户鉴权:param request:本次请求对象:return: list"""msg = {'code': normal_code, 'msg': mes.normal_code, 'data': {}}# django的header被处理过了token = request.META.get('HTTP_TOKEN')if token  and token !="null":auth_token = copy.deepcopy(token)decode_str = base64.b64decode(auth_token).decode("utf8")decode_str=decode_str.replace('"null"','""').replace('null','""')decode_dict = eval(decode_str)tablename2 = decode_dict.get("tablename")params2 = decode_dict.get("params",{})datas=NoneallModels = apps.get_app_config('main').get_models()for model in allModels:if model.__tablename__ == tablename2:datas = model.getbyparams(model, model, params2)if not datas:msg['code'] = username_error_codemsg['msg'] = '找不到该用户信息'result = msgelse:request.session['tablename'] = tablename2request.session['params'] = params2msg['msg'] = '身份验证通过。'result = msgelse:msg['code'] = 401msg['msg'] = 'headers未包含认证信息。'result = msgreturn result

6.LW文档大纲参考

具体LW如何写法,可以咨询博主,耐心分享! 

你可能还有感兴趣的项目👇🏻👇🏻👇🏻

更多项目推荐:计算机毕业设计项目

Python毕业设计精品项目《1000套》

微信小程序毕业设计精品项目《1000套》

大数据/机器学习毕业设计精品项目《1000套》

如果大家有任何疑虑,请在下方咨询或评论


http://www.ppmy.cn/news/1536139.html

相关文章

软件设计师(软考学习)

数据库技术 数据库基础知识 1. 数据库中的简单属性、多值属性、复合属性、派生属性简单属性&#xff1a;指不能够再分解成更小部分的属性&#xff0c;通常是数据表中的一个列。例如学生表中的“学号”、“姓名”等均为简单属性。 多值属性&#xff1a;指一个属性可以有多个值…

前端的全栈混合之路Meteor篇(二):RPC方法注册及调用

在Meteor 3.0中&#xff0c;RPC&#xff08;远程过程调用&#xff09;机制是实现前后端数据交互的重要特性。通过RPC&#xff0c;前端可以轻松调用后端方法&#xff08;Methods&#xff09;并获取数据&#xff0c;而后端的逻辑也可以同步或异步执行并返回结果。本文将详细介绍M…

Ubuntu 中 Redis ,MySQL 基本使用

1、Redis &#xff08;1&#xff09;启动Redis 服务端客户端命令 服务端 ps aux | grep redis 查看redis服务器进程 sudo kill -9 pid 杀死redis服务器 sudo redis-server /etc/redis/redis.conf 指定加载的配置文件客户端 连接redis&#xff1a; redis-cli运⾏测试命令&am…

数据结构--堆的深度解析

目录 引言 一、基本概念 1.1堆的概念 1.2堆的存储结构 1.3堆的特点 二、 堆的基本操作 2.1初始化 2.2创建堆 2.3插入元素 2.4删除元素 2.5堆化操作 2.6堆的判空 2.7获取堆顶元素 三、堆的常见应用 1. 优先队列 2. 堆排序 3. Top-k 问题 4. 图论中的应用 四…

【实战教程】SpringBoot全面指南:快速上手到项目实战(SpringBoot)

文章目录 【实战教程】SpringBoot全面指南&#xff1a;快速上手到项目实战(SpringBoot)1. SpringBoot介绍1.1 SpringBoot简介1.2系统要求1.3 SpringBoot和SpringMVC区别1.4 SpringBoot和SpringCloud区别 2.快速入门3. Web开发3.1 静态资源访问3.2 渲染Web页面3.3 YML与Properti…

【包教包会】速通LLM《从头开始构建大型语言模型》免费pdf分享

介绍 在当今人工智能技术飞速发展的时代&#xff0c;大型语言模型&#xff08;LLM&#xff09;作为聊天机器人、文本生成和理解等应用的核心&#xff0c;已经成为研究和商业领域的关注焦点。尽管这些模型的应用无处不在&#xff0c;但对于大多数开发者来说&#xff0c;它们的工…

微信小程序:一个小程序跳转至另一个小程序

一、微信小程序支持一个小程序跳转至另一个小程序吗&#xff1f; 支持。 1.1、目标小程序需开放被跳转&#xff1a;目标小程序需要在其 app.json 文件中配置 navigateToMiniProgramAppIdList&#xff0c;将源小程序的 AppID 加入其中。 1.2、用户授权&#xff1a;用户需要授…

使用 Spring Boot 在电商平台中动态调整促销信息

业务背景 在电商平台上&#xff0c;促销活动是吸引用户的重要手段之一。然而&#xff0c;促销活动的状态&#xff08;如开始、结束&#xff09;可能会频繁变化&#xff0c;而这些变化需要实时反映在商品详情页上。如果每次促销状态改变都需要重新部署应用或者手动更改代码&…