数据库mybook
项目 mybook
app bookstore & userinfo
django-admin startproject mybook
python manage.py startapp bookstore
templates文件中index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>首页</title>
</head>
<body>
{% csrf_token %}
<p>
<a href="/bookstore/add">添加图书</a>
</p>
<p>
<a href="/bookstore/list_all">查看图书</a>
</p>
</body>
</html>
list_all.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>显示图书</title>
</head>
<a href="/bookstore/add">返回添加图书页面</a>
<form action="/bookstore/search" method="get">
<input type="text" name="search">
<input type="submit" value="搜索">
</form>
<body>
<form action="/bookstore/list_all">
{% csrf_token %}
<table>
<tr>
<th>书名</th>
<th>出版社</th>
<th>阅读量</th>
<th>评论量</th>
<th>修改</th>
<th>删除</th>
</tr>
{% for i in abook %}
<tr>
<td>{{ i.title }}</td>
<td>{{ i.pub_house }}</td>
<td>{{ i.read }}</td>
<td>{{ i.comment }}</td>
<td><a href="mod/{{ i.id }}">修改</a></td>
<td><a href="del/{{ i.id }}">删除</a></td>
</tr>
{% endfor %}
{% for i in all_book %}
<tr>
<td>{{ i.title }}</td>
<td>{{ i.pub_house }}</td>
<td>{{ i.read }}</td>
<td>{{ i.comment }}</td>
<td><a href="mod/{{ i.id }}">修改</a></td>
<td><a href="del/{{ i.id }}">删除</a></td>
</tr>
{% endfor %}
</table>
</form>
</body>
</html>
mod.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="/bookstore/mod/{{ abook.id }}" method="post">
{% csrf_token %}
<div>
书名:{{ abook.title }}
</div>
<div>
<input type="text" name="pub_house" value="{{ abook.pub_house }}" placeholder="出版社">
</div>
<div>
阅读量:{{ abook.read }}
</div>
<div>
评论量:{{ abook.comment }}
</div>
<div>
<input type="submit" value="修改">
</div>
</form>
</body>
</html>
new_book.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<a href="/bookstore">返回首页</a>
<body>
<form action="/bookstore/add" method="post">
{% csrf_token %}
<div>
<input type="text" name="title" required placeholder="书名">
</div>
<div>
<input type="text" name="pub_house" required placeholder="出版社">
</div>
<div>
<input type="text" name="read" required placeholder="阅读量">
</div>
<div>
<input type="text" name="comment" required placeholder="评论量">
</div>
<div>
<input type="submit" value="提交">
</div>
</form>
</body>
</html>
mybook 文件夹中urls.py
from django.contrib import admin
from django.urls import path, include
urlpatterns = [
path('admin/', admin.site.urls),
path('bookstore/', include('bookstore.urls')),
path('userinfo/', include('userinfo.urls'))
]
setting.py
"""
Django settings for mybook project.
Generated by 'django-admin startproject' using Django 4.0.
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/
"""
import os
from pathlib import Path
# 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-9edh36k+!c-2zga=0d6e_b2fqre7)771@ae+7z!686uu*)6!--'
# 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',
'bookstore',
'userinfo'
]
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 = 'mybook.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 = 'mybook.wsgi.application'
# Database
# https://docs.djangoproject.com/en/4.0/ref/settings/#databases
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'mybook',
'USER': 'root',
'PASSWORD': '123456',
'HOST': '127.0.0.1',
'PORT': 3306
}
}
# 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_TZ = True
# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/4.0/howto/static-files/
STATIC_URL = 'static/'
# Default primary key field type
# https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field
DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
init.py
import pymysql
pymysql.install_as_MySQLdb()
bookstore APP文件中models.py
from django.db import models
# Create your models here.
class Book(models.Model):
title = models.CharField('书名', max_length=50, default='untitled')
pub_house = models.CharField('出版社', max_length=100)
read = models.CharField('阅读量', max_length=2000)
comment = models.CharField('评论量', max_length=255)
urls.py
from django.contrib import admin
from . import views
from django.urls import path, include
urlpatterns = [
path('', views.homepage),
path('add', views.new_book),
path('list_all', views.all_book),
path('mod/<int:i_id>', views.mod),
path('del/<int:i_id>', views.delete),
path('search', views.search)
]
views.py
from django.shortcuts import render
from django.http import HttpResponse, HttpResponseRedirect
from . import models
from . import models
# Create your views here.
def homepage(request):
return render(request, 'index.html')
def new_book(request):
if 'username' not in request.session:
return render(request, 'login.html')
if request.method == 'GET':
return render(request, 'new_book.html')
elif request.method == 'POST':
title = request.POST.get('title', '')
pub_house = request.POST.get('pub_house', '')
read = request.POST.get('read', '')
comment = request.POST.get('comment', '')
mybook = models.Book.objects.create(
title=title,
pub_house=pub_house,
read=read,
comment=comment
)
return HttpResponse('<a href="/bookstore/add">添加成功,返回</a>')
def all_book(request):
abook = models.Book.objects.all()
return render(request, 'list_all.html', locals())
def mod(request, i_id):
try:
abook = models.Book.objects.get(id=i_id)
except:
return HttpResponse('没有找到id为:' + i_id + '的书籍')
if request.method == 'GET':
return render(request, 'mod.html', locals())
elif request.method == 'POST':
try:
pub_house = request.POST.get('pub_house', 'xxx')
abook.pub_house = pub_house
abook.save()
return HttpResponse('<a href="/bookstore">修改成功,返回首页</a>')
except:
return HttpResponse('修改失败')
def delete(request, i_id):
try:
abook = models.Book.objects.get(id=i_id)
abook.delete()
return HttpResponseRedirect('/bookstore/list_all')
except:
return HttpResponse('没有找到id为:' + i_id + "的书籍")
def search(request):
title = request.GET.get('search')
all_book = models.Book.objects.filter(title__contains=title)
return render(request, 'list_all.html', locals())
userinfo文件中templates文件 中login.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="/userinfo/login" method="post">
{% csrf_token %}
<div>
<lable>用户名</lable>
<input type="text" name="username">
{{ username.error }}
</div>
<div>
<lable>密码</lable>
<input type="password" name="password">
</div>
<div>
<lable>记住密码</lable>
<input type="checkbox" value="1" name="remember">
</div>
<div>
<input type="submit" value="登录">
</div>
</form>
</body>
</html>
register.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="/userinfo/register" method="post">
{% csrf_token %}
<div>
<lable>用户名</lable>
<input type="text" name="username">
<span>{{ username.error }}</span>
</div>
<div>
<lable>密码</lable>
<input type="password" name="password">
{{ password.error }}
</div>
<div>
<lable>确认密码</lable>
<input type="password" name="password1">
</div>
<div>
<input type="submit" value="提交">
</div>
</form>
</body>
</html>
urls.py
from django.urls import path
from . import views
urlpatterns = [
path('login', views.login),
path('register', views.register)
]
views.py
from django.shortcuts import render
from . import models
from django.http import HttpResponse
# Create your views here.
def login(request):
if request.method == 'GET':
username = request.COOKIES.get('username', '')
return render(request, 'login.html', locals())
elif request.method == 'POST':
username = request.POST.get('username', '')
remember = request.POST.get('remember', '')
password = request.POST.get('password', '')
try:
user = models.User.objects.get(name=username,
password=password)
request.session['username'] = {
"username": user.name,
"id": user.id
}
return HttpResponse('<a href="/bookstore/add">登录成功,返回添加图书页面</a>')
except:
return HttpResponse('登录失败')
def register(request):
if request.method == 'GET':
return render(request, 'register.html')
elif request.method == 'POST':
username = request.POST.get('username', '')
password = request.POST.get('password', '')
password1 = request.POST.get('password1', '')
if username == '':
username.error = '用户名不能为空'
return render(request, 'register.html', locals())
elif password == '':
password.error = '密码不能为空'
return render(request, 'register.html', locals())
elif password != password1:
return HttpResponse('两次密码不一致')
try:
user = models.User.objects.create(
name=username,
password=password
)
return HttpResponse('注册成功')
except:
return HttpResponse('注册失败')
本文介绍了一个使用Django框架实现的图书管理系统,包括图书的增删改查等功能,并详细展示了项目的目录结构、模板文件及关键代码。
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