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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》
目录
1.技术选型
2.开发工具
3.功能
3.1【角色】
3.2【用户功能模块】
3.3【管理员功能模块】
4.项目演示截图
4.1 系统首页
4.2 闲置商品
4.3 商品详情
4.4 二手商品管理
4.5 置换账户功能
4.6 闲置商品管理
4.7 购买订单管理
4.8 校园资讯
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：
在资源节约和环境保护日益受到重视的今天，校园个人闲置物品换购平台作为一种创新的交易方式，对于促进资源循环利用、减少浪费具有重要的现实意义。该平台通过提供一个在线交换和购买个人闲置物品的渠道，鼓励学生以环保的方式处理不再需要的物品，同时也满足了他人对经济实惠商品的需求。
本文介绍的校园个人闲置物品换购平台，采用Java作为后端开发语言，结合SpringBoot框架，确保了服务端应用的高效性和稳定性。前端则利用Vue.js技术，为用户提供了直观、易用的交互界面。平台服务于管理员、置换账户和普通用户三种角色，提供了全面的服务和管理功能。用户可以通过系统浏览闲置商品、参与交流论坛、查看校园资讯，并在个人中心管理发布信息和收藏。管理员则可以通过系统进行用户管理、商品类型管理、订单管理和系统设置。
后端管理模块为管理员提供了包括校园资讯管理、轮播图管理等在内的强大工具集。这些功能的实现，不仅提高了平台的运营效率，也为用户带来了便捷的交易体验。
校园个人闲置物品换购平台的实现，有助于构建一个环保、节约的校园文化，促进学生之间的交流与合作。系统的数据分析和用户反馈机制还可以帮助管理者洞察市场需求，优化服务内容，提升用户满意度。总之，该平台对于推动校园经济的可持续发展、培养年轻一代的环保意识和资源管理能力具有重要的战略意义。
1.技术选型
Python、Django、vue、elementui、html、css、js、mysql、jdk1.8
2.开发工具
pycharm、navicat
3.功能
3.1【角色】
管理员、置换账户、用户
3.2【用户功能模块】
- 登录
- 注册
- 系统首页
- 闲置商品
- 二手商品
- 交流论坛
- 校园资讯
- 个人中心（个人中心、我的发布、我的收藏）
- 置换订单管理
- 二手商品管理
- 购买订单管理
- 用户资料
3.3【管理员功能模块】
- 登录
- 置换账户管理
- 用户管理
- 商品类型管理
- 闲置商品管理
- 置换订单管理
- 二手商品管理
- 购买订单管理
- 交流论坛
- 系统管理（校园资讯、校园资讯分类、关于我们、系统简介、轮播图管理）
4.项目演示截图
4.1 系统首页
4.2 闲置商品
4.3 商品详情
4.4 二手商品管理
4.5 置换账户功能
4.6 闲置商品管理
4.7 购买订单管理
4.8 校园资讯
5.核心代码
5.1 Settings.py
"""
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 = 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',
"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 = False
ROOT_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-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/2.0/topics/i18n/
LANGUAGE_CODE = 'zh-Hans'
# TIME_ZONE = 'UTC'
TIME_ZONE = 'Asia/Shanghai'
USE_I18N = True
USE_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
"""dj2 URL Configuration
The `urlpatterns` list routes URLs to views. For more information please see:
https://docs.djangoproject.com/en/2.0/topics/http/urls/
Examples:
Function views
1. Add an import: from my_app import views
2. Add a URL to urlpatterns: path('', views.home, name='home')
Class-based views
1. Add an import: from other_app.views import Home
2. Add a URL to urlpatterns: path('', Home.as_view(), name='home')
Including another URLconf
1. Import the include() function: from django.urls import include, path
2. 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 TemplateView
from . import views
from dj2.settings import dbName as schemaName
urlpatterns = [
path('xadmin/', admin.site.urls),
path(r'index/',views.index),
path('{}/'.format(schemaName),include('main.urls')),#导入schemaName
re_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
# coding:utf-8
__author__ = "ila"
from django.http import JsonResponse
from .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,hasHadoop
def 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_code
msg['msg'] = mes.password_error_code
return 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_code
msg['msg'] = error
return 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__ = None
if __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'] = [],1,0,0,10
return 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__ = None
if __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_code
msg['msg'] = ret
return 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_code
msg['msg'] = error
return 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:
pass
error = users.updatebyparams(users, users, req_dict)
if error != None:
msg['code'] = crud_error_code
msg['msg'] = error
return 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_code
msg['msg'] = error
return JsonResponse(msg)
5.4 Auth.py
# coding:utf-8
# author:ila
import base64, copy
from django.http import JsonResponse
from django.apps import apps
from util.codes import *
from util import message as mes
class 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=None
allModels = 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_code
msg['msg'] = '找不到该用户信息'
result = msg
else:
request.session['tablename'] = tablename2
request.session['params'] = params2
msg['msg'] = '身份验证通过。'
result = msg
else:
msg['code'] = 401
msg['msg'] = 'headers未包含认证信息。'
result = msg
return 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！
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