"""
Django settings for books project.Generated by 'django-admin startproject' using Django 2.0.2.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# 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 = 'm-zu@pls$#8)6njw1ar5#t#tx#fcfhe7(iaygkg(y4l^x@!!ix'# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = TrueALLOWED_HOSTS = []# Application definition

INSTALLED_APPS = ['django.contrib.admin','django.contrib.auth','django.contrib.contenttypes','django.contrib.sessions','django.contrib.messages','django.contrib.staticfiles','app01.apps.App01Config',
]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 = 'books.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 = 'books.wsgi.application'# 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'),
#     }
# }

DATABASES = {'default': {'ENGINE': 'django.db.backends.mysql','NAME': 'books','HOST': '172.16.0.30','PORT': '3306','USER': 'root','PASSWORD': 'zabbix',}
}# 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 = 'en-us'TIME_ZONE = 'UTC'USE_I18N = TrueUSE_L10N = TrueUSE_TZ = True# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.0/howto/static-files/

STATIC_URL = '/static/'
LOGGING = {'version': 1,'disable_existing_loggers': False,'handlers': {'console': {'level': 'DEBUG','class': 'logging.StreamHandler',},},'loggers': {'django.db.backends': {'handlers': ['console'],'propagate': True,'level': 'DEBUG',},}
}

"""books 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'))
"""
from django.contrib import admin
from django.urls import path
from app01 import views
from  django.conf.urls import urlurlpatterns = [path('admin/', admin.site.urls),path('index', views.index),url(r'^editbooks/(?P<nid>[0-9]*)/edit$', views.editbooks, name='editbooks'),url(r'^books/(?P<nid>[0-9]*)/delete$', views.delete, name='delete'),url(r'^books/$', views.books),url(r'^addbooks/', views.addbooks, name='addbooks'),]

from  django.shortcuts import HttpResponse, render, redirect, HttpResponseRedirect
from .models import *
import decimal
from django.db.models import Avg, Sum, Count, Max, Min, F, Qdef index(request):return HttpResponse('ok')def books(request):book_list = Book.objects.all()author_list = Author.objects.all()publish_list = Publish.objects.all()return render(request, 'books.html', {'book_list': book_list, 'author': author_list, 'publish_list': publish_list})def delete(request, nid):book_obj = Book.objectsprint('_________________________________________________________')print(nid)book_obj.filter(nid=nid).delete()print('删除成功')return redirect('/books')def addbooks(request):author_list = Author.objects.all()publish_list = Publish.objects.all()if request.method == 'GET':return render(request, 'addbooks.html', {'publish_list': publish_list, 'author_list': author_list})else:try:title = request.POST.get('title')price = int(request.POST.get('price'))pub_date = request.POST.get('pub_date')publish_id = request.POST.get('publish_id')autho_id_list = request.POST.getlist('author_id_list')  # 当获取多个数值的时候，使用getlistbook_obj = Book.objects.create(title=title, price=price, publishDate=pub_date, publish_id=publish_id)book_obj.authors.add(*autho_id_list)except Exception as e:print(e, '数值郭达')return redirect('/addbooks')return redirect('/books')def editbooks(request, nid):author_list = Author.objects.all()publish_list = Publish.objects.all()book_nid_obj = Book.objects.get(nid=nid)if request.method == 'GET':return render(request, 'editbooks.html',{'author_list': author_list, 'book_nid_obj': book_nid_obj,'publish_list': publish_list})else:# 编辑操作title = request.POST.get('title')price = int(request.POST.get('price'))pub_date = request.POST.get('pub_date')publish_id = request.POST.get('publish_id')author_id_list = request.POST.getlist('author_id_list')  # 当获取多个数值的时候，使用getlistprint(request.POST)book_obj_ed = Book.objects.filter(nid=nid)print(book_nid_obj)  # Book 对象print('--------------------------------------------')print(book_obj_ed)  # QueySetbook_obj_ed.update(title=title, price=price, publishDate=pub_date, publish_id=publish_id)book_nid_obj.authors.clear()book_nid_obj.authors.add(*author_id_list)return redirect('/books')

from django.db import models# Create your models here.class Author(models.Model):nid = models.AutoField(primary_key=True)name = models.CharField(max_length=32)age = models.IntegerField()# 与AuthorDetail建立一对一的关系authorDetail = models.OneToOneField(to="AuthorDetail", on_delete=models.CASCADE)class AuthorDetail(models.Model):nid = models.AutoField(primary_key=True)birthday = models.DateField()telephone = models.BigIntegerField()addr = models.CharField(max_length=64)class Publish(models.Model):nid = models.AutoField(primary_key=True)name = models.CharField(max_length=32)city = models.CharField(max_length=32)email = models.EmailField()class Book(models.Model):nid = models.AutoField(primary_key=True)title = models.CharField(max_length=32)publishDate = models.DateField()price = models.DecimalField(max_digits=5, decimal_places=2)# 与Publish建立一对多的关系,外键字段建立在多的一方publish = models.ForeignKey(to="Publish", to_field="nid", on_delete=models.CASCADE)# 与Author表建立多对多的关系,ManyToManyField可以建在两个模型中的任意一个，自动创建第三张表authors = models.ManyToManyField(to='Author', )

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>图书管理系统</title>
</head>
{% load staticfiles %}
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css"integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<body>
<h1>添加书籍</h1>
<div class="col-md-8 col-md-offset-2 " ><a class="btn btn-primary" href="{% url 'addbooks' %}"> 添加书籍</a><table class="table table_striped table-bordered table-hover"><thead><tr><th>编号</th><th>名称</th><th>价格</th><th>出版社</th><th>出版日期</th><th>作者</th><th>操作</th></tr></thead><tbody>{% for book in book_list %}<tr><td>{{ book.nid }}</td><td>{{ book.title }}</td><td>{{ book.price }}</td><td>{{ book.publish.name }}</td><td>{{ book.publishDate | date:'Y-m-d'}}</td><td>{% for auth in  book.authors.all.values %}{% if forloop.last %}<span>{{ auth.name }} </span>{% else %}<span>{{ auth.name }} ,</span>{% endif %}{% endfor %}</td><td><a class=" btn btn-warning data-toggle='button" href="{% url 'editbooks' book.nid %}">编辑</a><a type="button" class="btn btn-danger data-toggle='button"href="{% url 'delete' book.nid %}">删除</a></td></tr>{% endfor %}</tbody></table>
</div><script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script>
<!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"></script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>添加书籍</title>
</head>
{% load staticfiles %}
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css"integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<body>
<h1>添加书籍</h1>
<div class="col-md-8 col-md-offset-2 "><form class="form-horizontal" role="form" method="post" action="">{% csrf_token %}<div class="form-group"><label>书籍名称</label><input type="text" class="form-control" name="title" placeholder="书籍名称"></div><div class="form-group"><label>价格</label><input type="text" class="form-control" name="price" placeholder="价格"></div><div class="form-group"><label for="">出版社</label><select class="form-control" name="publish_id">{% for publish in publish_list %}<option value="{{ publish.pk }}">{{ publish.name }}</option>{% endfor %}</select></div><div class="form-group"><label>出版时间</label><input type="date" class="form-control" name="pub_date" placeholder="出版时间"></div><div class="form-group"><label for="">作者</label><select multiple class="form-control" name="author_id_list">{% for author in author_list %}<option  value="{{ author.pk }}">{{ author.name }}</option>{% endfor %}</select></div><input class="btn btn-success data-toggle='button" formmethod="post" type="submit"></form>
</div></body>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>编辑书籍</title>
</head>
{% load staticfiles %}
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css"integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<body>
<h1>编辑书籍</h1>
<div class="col-md-8 col-md-offset-2 "><form class="form-horizontal" role="form" method="post" action="">{% csrf_token %}<div class="form-group"><label>书籍名称</label><input type="text" class="form-control" value="{{ book_nid_obj.title }}" name="title" placeholder="书籍名称"></div><div class="form-group"><label>价格</label><input type="text" class="form-control" value="{{ book_nid_obj.price }}" name="price" placeholder="价格"></div><div class="form-group"><label for="">出版社</label><select class="form-control" name="publish_id">{% for publish in publish_list %}<option value="{{ publish.pk }}">{{ publish.name }}</option>{% endfor %}</select></div><div class="form-group"><label>出版时间</label><input type="date" class="form-control" name="pub_date" value="{{ book_nid_obj.publishDate | date:'Y-m-d' }}"placeholder="出版时间"></div><div class="form-group"><label for="">作者</label><select multiple class="form-control" name="author_id_list">{% for author in author_list %}<option value="{{ author.pk }}">{{ author.name }}</option>{% endfor %}</select></div><input class="btn btn-success data-toggle='button" formmethod="post" type="submit"></form>
</div>
</body>
</html>