C:CodeBookManagementBookManagementurls.py
from django.contrib import admin
from django.urls import path, include
urlpatterns = [
path('admin/', admin.site.urls),
path('', include('management.urls')), # 将management应用的URL设置包含到项目的URL设置中
]
C:CodeBookManagementmanagementurls.py
from django.urls import URLPattern, path
from management import views
from django.views.generic import RedirectView
urlpatterns = [
path('', views.index, name='homepage'),
path('favicon.ico',RedirectView.as_view(url='/static/images/droplet-half.svg')),
path('index/', views.index, name='homepage'),
path('sign_up/', views.sign_up, name='sign_up'),
path('login/', views.login, name='login'),
path('logout/', views.logout, name='logout'),
path('change_password/', views.change_password, name='change_password'),
path('add_book/', views.add_book, name='add_book'),
path('edit_book', views.edit_book, name='edit_book'),
path('book_list', views.book_list, name='book_list'),
path('error/', views.error, name='error'),
path('add_category/', views.add_category, name='add_category'),
path('edit_category', views.edit_category, name='edit_category'),
path('category_list', views.category_list, name='category_list'),
path('book_detail', views.book_detail, name='book_detail'),
]
models.py
C:CodeBookManagementmanagementmodels.py
from django.db import models
# Create your models here.
class Book(models.Model):
name = models.CharField(max_length=128, verbose_name='书籍名称')
author = models.CharField(max_length=64, blank=True, verbose_name='作者')
describe = models.CharField(max_length=64, blank=True, verbose_name='描述')
index = models.CharField(max_length=64, blank=True, verbose_name='目录')
price = models.FloatField(default=0.0, verbose_name='定价')
publish_date = models.DateField(null=True, blank=True, verbose_name='出版日期')
category = models.CharField(
max_length=32, default='未分类', verbose_name='分类'
)
create_datetime = models.DateTimeField(
auto_now_add=True, verbose_name='添加日期'
) # auto_now_add参数自动填充当前时间
def __str__(self): # 定义__str__方法后，在将模型对象作为参数传递给str()函数时会调用该方法返回相应的字符串
return self.name
class Category(models.Model):
parent_category = models.CharField(max_length=32, null=True, blank=True, verbose_name="父类")
category = models.CharField(
max_length=32, verbose_name='分类'
)
settings.py
C:CodeBookManagementBookManagementsettings.py
"""
Django settings for BookManagement project.
Generated by 'django-admin startproject' using Django 3.0.6.
For more information on this file, see
https://docs.djangoproject.com/en/3.0/topics/settings/
For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.0/ref/settings/
"""
import os
# 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/3.0/howto/deployment/checklist/
# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '*6g14r6ubexu1v_m(_$rzgucc+v^avme(0&yfpm56tvuh6(mov'
# 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',
'management',
]
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',
]
ROOT_URLCONF = 'BookManagement.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',
],
},
},
]
WSGI_APPLICATION = 'BookManagement.wsgi.application'
# Database
# https://docs.djangoproject.com/en/3.0/ref/settings/#databases
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
}
}
# Password validation
# https://docs.djangoproject.com/en/3.0/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/3.0/topics/i18n/
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_L10N = True
USE_TZ = True
# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.0/howto/static-files/
STATIC_URL = '/static/'
views.py
C:CodeBookManagementmanagementviews.py
from django.http import HttpResponse, HttpResponseRedirect
from django.shortcuts import redirect, render
from django.contrib.auth.models import User, auth
import email
from xml.etree.ElementTree import tostring
# Create your views here.
def index(request):
if request.user.is_authenticated:
content={
'username':request.user,
}
return render(request, "management/index.html",content)
return render(request, "management/index.html")
def sign_up(request):
if request.method == "POST":
try:
username = request.POST.get('username', '')
password = request.POST.get('password', '')
repassword = request.POST.get('repassword', '')
email = request.POST.get('email', '')
if password == '' or repassword == '':
state = '口令都不填的么'
elif password != repassword:
state = '你这两遍口令填的不同啊'
elif username == '':
state = '用户名格式错误'
elif email == '':
state = '邮箱是要填的呦'
else:
if User.objects.filter(username=username):
state = '换个用户名，这个已经被占用了'
else:
new_user = User.objects.create_user(
username=username, password=password, email=email)
new_user.save()
state = '注册成功'
user = auth.authenticate(username=username, password=password)
auth.login(request, user)
return redirect("https://blog.csdn.net/index/")
except:
state = '注册失败'
finally:
return HttpResponse(state)
if request.user.is_authenticated:
return redirect("/index")
return render(request, "management/sign_up.html")
def login(request):
if request.method == "POST":
username = request.POST.get('username', '')
password = request.POST.get('password', '')
if username and password:
user = auth.authenticate(username=username, password=password)
if user is not None:
auth.login(request, user)
state = '登录成功'
else:
state = '用户不存在或口令错误'
else:
state = '请输入用户名和口令'
return HttpResponse(state)
if request.user.is_authenticated:
return redirect("/index")
return render(request, "management/login.html")
def logout(request):
auth.logout(request)
return redirect("https://blog.csdn.net/index/")
def change_password(request):
if request.user.is_authenticated:
if request.method == "POST":
user = request.user
password = request.POST.get('password', '')
newpassword = request.POST.get('newpassword', '')
confirmpassword = request.POST.get('confirmpassword', '')
if user.check_password(password):
if not newpassword:
state = '新口令要填的呦'
elif newpassword != confirmpassword:
state = '两次口令输入的不同呦'
else:
user.set_password(newpassword)
user.save()
state = '修改成功'
else:
state = '口令输错了'
return HttpResponse(state)
content={
'username':request.user,
}
return render(request, "management/change_password.html",content)
return render(request, "management/change_password.html")
from management import models
import math
def book_list(request):
if request.user.is_authenticated:
if request.method == "GET":
search=request.GET.get('search','')
page=int(request.GET.get('page',1))
book_list = models.Book.objects.filter(name__regex=search).only('id','name','author','publish_date','price')[(15*(page-1)):15*page-1]
book_list_count = math.ceil(models.Book.objects.filter(name__regex=search).only('id').count()/15)
lastpage = int(page-1)
nextpage = int(page+1)
if lastpage <= 0 :
lastpage = 1
if nextpage > int(book_list_count):
nextpage = int(book_list_count)
content={
'username':request.user,
'book_list':book_list,
'lastpage':lastpage,
'nextpage':nextpage,
'search':search,
}
return render(request,"managementhttps://blog.csdn.net/book_list.html",content)
return render(request,"managementhttps://blog.csdn.net/book_list.html")
from management import models
def add_book(request):
if request.user.is_authenticated:
if request.method == "GET":
category_list = models.Category.objects.all().only('category')
content = {
'username':request.user,
'category_list':category_list,
}
return render(request,"management/add_book.html",content)
if request.method == "POST":
try:
name = cleandata.TypeChar(request.POST.get('name', ''))
author = cleandata.TypeChar(request.POST.get('author', ''))
price = cleandata.TypeFloat(request.POST.get('price', ''))
publish_date = cleandata.TypeDate(request.POST.get('publish_date', ''))
category = cleandata.TypeChar(request.POST.get('category', ''))
create_datetime = cleandata.TypeDatetime(request.POST.get('create_datetime', ''))
if name == "":
state='书名都不填的么'
elif author == "":
state='作者都不填的么'
elif price == "":
state='价格都不填的么'
elif publish_date == "":
state='出版日期都不填的么'
elif category == "":
state='类型都不选的么'
else:
if models.Book.objects.filter(name=name,author=author):
state='已经添加过这本书籍了'
else:
models.Book.objects.create(
name = name,
author = author,
price = price,
publish_date = publish_date,
category = category,
create_datetime = create_datetime,
)
state='添加成功'
except:
state='添加失败'
finally:
return HttpResponse(state)
return render(request,"management/add_book.html")
def edit_book(request):
if request.user.is_authenticated:
if request.method == "GET":
id = request.GET.get('id','')
if id:
book = models.Book.objects.get(id=id)
category_list = models.Category.objects.all().only('category')
content = {
'username':request.user,
'category_list':category_list,
'book':book,
}
else:
return redirect("https://blog.csdn.net/add_book/")
return render(request,"management/edit_book.html",content)
elif request.method == "POST":
try:
id = request.POST.get('id', '')
name = cleandata.TypeChar(request.POST.get('name', ''))
author = cleandata.TypeChar(request.POST.get('author', ''))
describe = cleandata.TypeChar(request.POST.get('describe', ''))
index = cleandata.TypeChar(request.POST.get('index', ''))
price = cleandata.TypeFloat(request.POST.get('price', ''))
publish_date = cleandata.TypeDate(request.POST.get('publish_date', ''))
category = cleandata.TypeChar(request.POST.get('category', ''))
if name == "":
state='书名都不填的么'
elif author == "":
state='作者都不填的么'
elif price == "":
state='价格都不填的么'
elif publish_date == "":
state='出版日期都不填的么'
elif category == "":
state='类型都不选的么'
else:
models.Book.objects.filter(id=id).update(
name = name,
author = author,
describe = describe,
index = index,
price = price,
publish_date = publish_date,
category = category,
)
state='编辑成功'
except:
state='编辑失败'
finally:
return HttpResponse(state)
return render(request,"management/edit_book.html")
def error(request):
return render(request,"error.html")
def add_category(request):
if request.user.is_authenticated:
if request.method == "POST":
try:
parent_category = cleandata.TypeChar(request.POST.get('parent_category', ''))
category = cleandata.TypeChar(request.POST.get('category',''))
if category:
if models.Book.objects.filter(category=category):
state='已经添加过这个子类了'
else:
new_category = models.Category (
parent_category = parent_category,
category = category,
)
new_category.save()
state='添加成功'
else:
state='子类没有填内容哦'
except:
state='添加失败'
finally:
return HttpResponse(state)
category_list = models.Category.objects.all().only('category')
content={
'username':request.user,
'category_list':category_list,
}
return render(request, "management/add_category.html",content)
return render(request,"management/add_category.html")
def edit_category(request):
if request.user.is_authenticated:
if request.method == "GET":
id = request.GET.get('id','')
if id:
category = models.Category.objects.get(id=id)
category_list = models.Category.objects.all().only('category')
content={
'username':request.user,
'category_list':category_list,
'category':category,
}
else:
return redirect("https://blog.csdn.net/add_category/")
return render(request,"management/edit_category.html",content)
elif request.method == "POST":
try:
id = request.POST.get('id', '')
parent_category = cleandata.TypeChar(request.POST.get('parent_category', ''))
category = cleandata.TypeChar(request.POST.get('category',''))
if category:
if models.Category.objects.filter(parent_category=parent_category,category=category):
state='已经添加过这个子类了'
else:
a=models.Category.objects.filter(id=id).update(parent_category=parent_category,category=category)
print("---------------------------------------")
print(a)
state='编辑成功'
else:
state='子类没有填内容哦'
except:
state='编辑失败'
finally:
return HttpResponse(state)
else:
return redirect("/error/")
def category_list(request):
if request.user.is_authenticated:
if request.method == "GET":
search=request.GET.get('search','')
page=int(request.GET.get('page',1))
category_list = models.Category.objects.filter(category__regex=search).only('id','parent_category','category')[(15*(page-1)):15*page-1]
category_list_count =math.ceil(models.Category.objects.filter(category__contains=search).only('id').count()/15)
lastpage = int(page-1)
nextpage = int(page+1)
if lastpage <= 0 :
lastpage = 1
if nextpage > int(category_list_count):
nextpage = int(category_list_count)
content={
'username':request.user,
'category_list':category_list,
'lastpage':lastpage,
'nextpage':nextpage,
'search':search,
}
return render(request,"managementhttps://blog.csdn.net/category_list.html",content)
return render(request,"managementhttps://blog.csdn.net/category_list.html")
def book_detail(request):
if request.user.is_authenticated:
if request.method == "GET":
id = cleandata.TypeNum(request.GET.get('id', ''))
if id != '' and id != 0:
book = models.Book.objects.get(id=id)
content = {
'book':book,
}
return render(request,"management/book_detail.html",content)
return render(request,"management/book_detail.html")
class cleandata():
def TypeNum(data):
try:
return int(data)
except:
return int(0)
def TypeFloat(data):
try:
return float(data)
except:
return float(0.00)
def TypeEmail(data):
try:
return email(data)
except:
return email("@163.com")
def TypeUsername(data):
try:
return tostring(data).replace(["'","<",">","#"],"")
except:
return None
def TypeChar(data):
try:
return data.replace("'","")
except:
return None
def TypeDate(data):
try:
return data
except:
return None
def TypeDatetime(data):
try:
return data
except:
return None
templates
add_book.html
{% extends "management/navbar.html" %}
{% block title %}添加书籍信息{% endblock %}
{% block content %}
添加书籍
{% csrf_token %}
{% endblock %}
{% block javascript %}
{% endblock %}
add_category.html
C:CodeBookManagementtemplatesmanagementadd_category.html
{% extends "management/navbar.html" %}
{% block title %}添加书籍分类{% endblock %}
{% block content %}
添加分类
{% csrf_token %}
{% endblock %}
{% block javascript %}
{% endblock %}
book_detail.html
C:CodeBookManagementtemplatesmanagementbook_detail.html
{% extends "management/navbar.html" %}
{% block title %}书籍详情{% endblock %}
{% block content %}
Heroes examples
{{book.name}}
作者：{{book.author}}
分类：{{book.category}}
简介：{{book.describe}}
价格：{{book.price}}
出版日期：{{book.publish_date}}
{% endblock %}
book_list.html
C:CodeBookManagementtemplatesmanagementbook_list.html
{% extends "management/navbar.html" %}
{% block title %}书籍列表{% endblock %}
{% block content %}
{% csrf_token %}
#
书籍ID
书名
作者
出版日期
定价
{% for book in book_list %}
{{forloop.counter}}
{{book.id}}
{{book.name}}
{{book.author}}
{{book.publish_date}}
{{book.price}}
编辑
{% endfor %}
{% endblock %}
{% block javascript %}
{% endblock %}
category_list.html
C:CodeBookManagementtemplatesmanagementcategory_list.html
{% extends "management/navbar.html" %}
{% block title %}书籍分类列表{% endblock %}
{% block content %}
{% csrf_token %}
#
分类ID
父类
分类
{% for category in category_list %}
{{forloop.counter}}
{{category.id}}
{{category.parent_category}}
{{category.category}}
编辑
{% endfor %}
{% endblock %}
{% block javascript %}
{% endblock %}
change_password.html
C:CodeBookManagementtemplatesmanagementchange_password.html
{% extends "management/navbar.html" %}
{% block title %}修改口令{% endblock %}
{% block content %}
修改口令
{% csrf_token %}
Quick Quick Change Password.
{% endblock %}
{% block javascript %}
{% endblock %}
edit_book.html
C:CodeBookManagementtemplatesmanagementedit_book.html
{% extends "management/navbar.html" %}
{% block title %}编辑书籍信息{% endblock %}
{% block content %}
编辑图书
{% csrf_token %}
{% endblock %}
{% block javascript %}
{% endblock %}
edit_category.html
C:CodeBookManagementtemplatesmanagementedit_category.html
{% extends "management/navbar.html" %}
{% block title %}编辑书籍分类{% endblock %}
{% block content %}
编辑分类
{% csrf_token %}
{% endblock %}
{% block javascript %}
{% endblock %}
index.html
C:CodeBookManagementtemplatesmanagementindex.html
{% extends "management/navbar.html" %}
{% block title %}主页{% endblock %}
{% block content %}
欢迎使用图书管理系统
图书馆管理系统，能进行图书馆管理系统能实测国民经济和企业的各种运行情况；利用过去的数据预测未来；从企业全局出发辅助企业进行管理决策；利用信息控制企业的行为；帮助企业实现其规划目标。
图书馆管理系统合运用了管理科学，系统科学，运筹学，统计学，计算机科学等学科的知识。可以通俗的简化的描述图书馆管理系统的三要素：系统的观点、数学的方法以及计算机的应用。
图书馆管理系统概念结构主要由四大部分组成即信息源、信息处理器、信息用户、信息管理者组成。
{% endblock %}
login.html
C:CodeBookManagementtemplatesmanagementlogin.html
{% extends "management/navbar.html" %}
{% block title %}登录{% endblock %}
{% block content %}
欢迎登录图书管理系统
图书馆管理系统，能进行图书馆管理系统能实测国民经济和企业的各种运行情况；利用过去的数据预测未来；从企业全局出发辅助企业进行管理决策；利用信息控制企业的行为；帮助企业实现其规划目标。
图书馆管理系统合运用了管理科学，系统科学，运筹学，统计学，计算机科学等学科的知识。可以通俗的简化的描述图书馆管理系统的三要素：系统的观点、数学的方法以及计算机的应用。
图书馆管理系统概念结构主要由四大部分组成即信息源、信息处理器、信息用户、信息管理者组成。
{% csrf_token %}
By clicking Login, you agree to the terms of use.
{% endblock %}
{% block javascript %}
{% endblock %}
navbar.html
C:CodeBookManagementtemplatesmanagementnavbar.html
{% load static %}
{% block title%}{% endblock %}
{% block content %}
{% endblock %}
{% block javascript %}
{% endblock %}
sign_up.html
C:CodeBookManagementtemplatesmanagementsign_up.html
{% extends "management/navbar.html" %}
{% block title %}注册{% endblock %}
{% block content %}
注册
{% csrf_token %}
By clicking Sign up, you agree to the terms of use.
{% endblock %}
{% block javascript %}
{% endblock %}
error.html
C:CodeBookManagementtemplateserror.html
{% extends "management/navbar.html" %}
{% block title %}404{% endblock %}
{% block content %}
给你一个错误自己领会
{% endblock %}
