图书管理系统

models.py

from django.db import models

# Create your models here.

class Book(models.Model):
title = models.CharField(max_length=32)
price = models.CharField(max_length=32)
publish_time = models.DateField(auto_now_add=True)

publish = models.ForeignKey(to='Publish')
authors = models.ManyToManyField(to='Author')

class Publish(models.Model):
name = models.CharField(max_length=32)
addr = models.CharField(max_length=32)

class Author(models.Model):
name = models.CharField(max_length=32)
age = models.CharField(max_length=64)

author_detail = models.OneToOneField(to='AuthorDetail')

class AuthorDetail(models.Model):
phone = models.BigIntegerField()
addr = models.CharField(max_length=32)

models.py

views.py

from django.shortcuts import render,reverse,redirect
from app01 import models
# Create your views here.

def home(request):
return render(request,'home.html')

def show_book(request):
#获取书籍表中所有的数展示到前端
book_queryset = models.Book.objects.all()
return render(request,'book_list.html',locals())

def add_book(request):
if request.method == 'POST':
title = request.POST.get('title')
price = request.POST.get('price')
publish_time = request.POST.get('publish_time')
publish_id = request.POST.get('publish')
authors_list = request.POST.getlist('authors')
#操作数据库
#书籍表
book_obj = models.Book.objects.create(title=title,price=price,publish_time=publish_time,publish_id=publish_id)

#书籍与作者关系表
book_obj.authors.add(*authors_list)

# 重定向到书籍展示页
return redirect(reverse('show_book'))
#将网站出版社和作者查询出来展示到前端页面供用户选择
publish_queryset = models.Publish.objects.all()
author_queryset = models.Author.objects.all()
return render(request,'add_book.html',locals())

def edit_book(request,edit_id):
#先获取用户想要编辑的对象，展示给用户看，用户在基于原书籍进行修改
edit_obj = models.Book.objects.filter(pk=edit_id).first()
if request.method =='POST':
title = request.POST.get('title')
price = request.POST.get('price')
publish_time = request.POST.get('publish_time')
publish_id = request.POST.get('publish')
authors_list = request.POST.getlist('authors')
models.Book.objects.filter(pk=edit_id).update(title=title,price=price,publish_time=publish_time,publish_id=publish_id)
edit_obj.authors.set(authors_list)
return redirect(reverse('show_book'))

publish_queryset = models.Publish.objects.all()
author_queryset = models.Author.objects.all()
return render(request,'edit_book.html',locals())
pass

def delete_book(request,delete_id):
models.Book.objects.filter(pk=delete_id).delete()
#重定向到书籍展示页
return redirect(reverse('show_book'))

views.py

urls.py

from app01 import views

urlpatterns = [
url(r'^admin/', admin.site.urls),
#首页
url(r'^$',views.home,name='home'),
#书籍展示页
url(r'^book_list/',views.show_book,name='show_book'),
#书籍添加页
url(r'^add_book/',views.add_book,name='add'),
#书籍编辑页
url(r'^edit_book/(?P<edit_id>d+)',views.edit_book,name='edit'),
url(r'^delete/(d+)/',views.delete_book,name='delete')
]

urls.py

home.html

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
{% load static %}
<link rel="stylesheet" href="{% static 'bootstrap-3.3.7-dist/css/bootstrap.min.css' %}">
<script src="{% static 'bootstrap-3.3.7-dist/js/bootstrap.min.js'%}"></script>
</head>
<body>
<nav class="navbar navbar-inverse">
<div class="container-fluid">

<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">BMS</a>
</div>

<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li class="active"><a href="#">图书 <span class="sr-only">(current)</span></a></li>
<li><a href="#">出版社</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">更多 <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">One more separated link</a></li>
</ul>
</li>
</ul>
<form class="navbar-form navbar-left">
<div class="form-group">
<input type="text" class="form-control" placeholder="Search">
</div>
<button type="submit" class="btn btn-default">Submit</button>
</form>
<ul class="nav navbar-nav navbar-right">
<li><a href="#">Hank</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">更多操作 <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</li>
</ul>
</div>
</div>
</nav>
<div class="container-fluid"></div>
<div class="row"></div>
<div class="col-lg-3">
<div class="list-group">
<a href="{% url 'home' %}" class="list-group-item active">首页</a>
<a href="{% url 'show_book' %}" class="list-group-item">图书列表</a>
<a href="#" class="list-group-item">出版社列表</a>
<a href="#" class="list-group-item">作者列表</a>
<a href="#" class="list-group-item">更多操作</a>
</div>
</div>
<div class="col-lg-9">
<div class="panel panel-primary">
<div class="panel-heading">
<h3 class="panel-title">BMS</h3>
</div>
<div class="panel-body">
{% block content %}
<div class="jumbotron">
<h1> 欢迎来到图书管理系统！</h1>
<p>...</p>
<p><a class="btn btn-primary btn-lg" href="#" role="button"> 点我有惊喜！</a></p>
</div>
{% endblock %}

</div>
</div>
</div>
</body>
</html>

home.html

book_list.html

{% extends 'home.html' %}

{% block content %}
<div>
<a href="{% url 'add' %}" class="btn btn-success">新增</a>
</div>
<br>
<table class="table table-hover table-striped">
<thead>
<tr>
<th>序号</th>
<th>书名</th>
<th>价格</th>
<th>出版日期</th>
<th>出版社</th>
<th>作者</th>
<th>操作</th>
</tr>
</thead>
<tbody>
{% for book_obj in book_queryset %}
<tr>
<td>{{ forloop.counter }}</td>
<td>{{ book_obj.title }}</td>
<td>{{ book_obj.price }}</td>
<td>{{ book_obj.publish_time|date:'Y-m-d'}}</td>
<td>{{ book_obj.publish.name }}</td>
<td>
{% for author_obj in book_obj.authors.all %}
{% if forloop.last %}
{{ author_obj.name }}
{% else %}
{{ author_obj.name }},
{% endif %}
{% endfor %}

</td>
<td>
<a href="{% url 'edit' book_obj.pk %}" class="btn btn-primary btn-sm">编辑</a>
<a href="{% url 'delete' book_obj.pk %}" class="btn btn-danger btn-sm">删除</a>
</td>
</tr>
{% endfor %}
</tbody>
</table>
{% endblock %}
book_list.html

add_book.html

{% extends 'home.html' %}

{% block content %}
<h2 class="text-center">添加书籍</h2>
<form action="" method="post">
<p>书名:
<input type="text" name="title" class="form-control">
</p>
<p>价格:
<input type="text" name="price" class="form-control">
</p>
<p>出版日期:
<input type="date" name="publish_time" class="form-control">
</p>
<p>出版社:
<select name="publish" id="" class="form-control">
{% for publish_obj in publish_queryset %}
<option value="{{ publish_obj.pk }}">{{ publish_obj.name }}</option>

{% endfor %}

</select>
</p>
<p>作者：
<select name="authors" id="" class="form-control" multiple>
{% for author_obj in author_queryset %}
<option value="{{ author_obj.pk }}">{{ author_obj.name }}</option>

{% endfor %}

</select>

</p>
<input type="submit" class="btn btn-primary pull-right">
</form>

{% endblock %}

add_book.html

edit_book.html

{% extends 'home.html' %}

{% block content %}
<h2 class="text-center">编辑书籍</h2>
<form action="" method="post">
<p>书名:
<input type="text" name="title" class="form-control" value="{{ edit_obj.title }}">
</p>
<p>价格:
<input type="text" name="price" class="form-control" value="{{ edit_obj.price }}">
</p>
<p>出版日期:
<input type="date" name="publish_time" class="form-control" value="{{ edit_obj.publish_time|date:'Y-m-d' }}">
</p>
<p>出版社:
<select name="publish" id="" class="form-control">
{% for publish_obj in publish_queryset %}
{% if edit_obj.publish == publish_obj %}
<option value="{{ publish_obj.pk }} " selected>{{ publish_obj.name }}</option>
{% endif %}
<option value="{{ publish_obj.pk }} ">{{ publish_obj.name }}</option>
{% endfor %}

</select>
</p>
<p>作者：
<select name="authors" id="" class="form-control" multiple>
{% for author_obj in author_queryset %}
{% if author_obj in edit_obj.authors.all %}
<option value="{{ author_obj.pk }} " selected>{{ author_obj.name }}</option>
{% else %}
<option value="{{ author_obj.pk }}">{{ author_obj.name }}</option>
{% endif %}
{% endfor %}

</select>

</p>
<input type="submit" class="btn btn-warning pull-right">
</form>

{% endblock %}

edit_book.html