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简易的图书管理系统代码（实现对数据的增删改查）

由 别来无恙 提交于 2020-01-11 16:30:08

目录

简易的图书管理系统

urls.py
      
from django.conf.urls import url
from django.contrib import admin
from app01 import views
urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^$', views.home, name='home1'),
    url(r'^book_list', views.book_list, name='book_show'),
    url(r'^add_book', views.add_book, name='add'),
    url(r'^edit_book/(?P\d+)', views.edit_book, name='edit'),
    url(r'^delete_book/(\d+)', views.delete_book, name='delete')
]
models.py
    from django.db import models
# Create your models here.
# 图书表
class Book(models.Model):
    # 书名
    title = models.CharField(max_length=64)
    # 出版日期
    publish_date = models.DateField(auto_now_add=True)
    # 价格
    price = models.CharField(max_length=254)
    # 图书与出版社   一对多
    publish = models.ForeignKey(to='Publish')
    # 图书与作者   多对多
    authors = models.ManyToManyField(to='Author')
# 出版社表
class Publish(models.Model):
    name = models.CharField(max_length=64)
    addr = models.CharField(max_length=254)
# 作者表
class Author(models.Model):
    name = models.CharField(max_length=64)
    age = models.IntegerField()
    # 作者表与作者细节表     一对一
    author_detail = models.OneToOneField(to='AuthorDetail')
# 作者细节表
class AuthorDetail(models.Model):
    gender_choices = [
        (1, '男'),
        (2, '女'),
        (3, '其他'),
    ]
    gender = models.IntegerField(choices=gender_choices)
    phone = models.CharField(max_length=11)
views.py
from django.shortcuts import render, redirect, reverse
from app01 import models
# Create your views here.
def home(request):
    return render(request, 'home.html')
def book_list(request):
    book_queryset = models.Book.objects.all()
    return render(request, 'book_show.html', locals())
def add_book(request):
    if request.method == 'POST':
        title = request.POST.get('title')
        publish_date = request.POST.get('publish_date')
        price = request.POST.get('price')
        publish_id = request.POST.get('publish')
        authors_lists = request.POST.getlist('authors')
        # 操作数据库
        # 书籍表
        book_obj = models.Book.objects.create(title=title, publish_date=publish_date, price=price,                                            publish_id=publish_id)
        # 书籍与作者关系表
        book_obj.authors.add(*authors_lists)
        # 后端反向解析
        _url = reverse('book_show')
        # 后端重定向
        return redirect(_url)
    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):
    edit_obj = models.Book.objects.filter(pk=edit_id).first()
    if request.method == 'POST':
        title = request.POST.get('title')
        publish_date = request.POST.get('publish_date')
        price = request.POST.get('price')
        publish_id = request.POST.get('publish')
        authors_lists = request.POST.getlist('authors')
        # 操作数据库
        # 书籍表    models.Book.objects.filter(pk=edit_id).update(title=title, publish_date=publish_date, price=price,                                                    publish_id=publish_id)
        # 书籍与作者关系表
        edit_obj.authors.set(authors_lists)
        # 后端反向解析
        _url = reverse('book_show')
        # 后端重定向
        return redirect(_url)
    publish_queryset = models.Publish.objects.all()
    author_queryset = models.Author.objects.all()
    return render(request, 'edit_book.html', locals())
def delete_book(request, delete_id):
    models.Book.objects.filter(pk=delete_id).delete()
    _url = reverse('book_show')
    return redirect(_url)

home.html文件

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.js"></script>
{#    <link href="https://cdn.bootcss.com/twitter-bootstrap/3.4.1/css/bootstrap.min.css" rel="stylesheet">#}
{#    <script src="https://cdn.bootcss.com/twitter-bootstrap/3.4.1/js/bootstrap.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">
    <!-- Brand and toggle get grouped for better mobile display -->
    <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>

{#    <!-- Collect the nav links, forms, and other content for toggling -->#}
{#    <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>
            <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="#">yyx</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><!-- /.navbar-collapse -->
  </div><!-- /.container-fluid -->
</nav>

<div class="container-fluid">
    <div class="col-md-4">
        <div class="list-group">
          <a href="{% url 'home1' %}" class="list-group-item active">
            首页
          </a>
          <a href="{% url 'book_show' %}" class="list-group-item">图书列表</a>
          <a href="#" class="list-group-item">作者列表</a>
          <a href="#" class="list-group-item">出版社列表</a>
          <a href="#" class="list-group-item">更多操作</a>
        </div>

    </div>
    <div class="col-md-8">
        <div class="panel panel-default">
          <div class="panel-heading">
            <h3 class="panel-title text-center">BMS系统</h3>
          </div>
          <div class="panel-body">
              {% block content %}
               <div class="jumbotron">
              <h1>欢迎来到BMS系统</h1>
              <p>在这里你可以饱阅天下群书！</p>
              <p><a class="btn btn-danger btn-lg" href="#" role="button">比心</a></p>
            </div>
              {% endblock %}

          </div>
        </div>

    </div>
</div>

</body>
</html>

book_show.py文件

{% extends 'home.html' %}
{% block content %}
<div>
    <a href="{% url 'add' %}" class="btn btn-warning">新增</a>
</div>
    <br>
<table class="table table-bordered table-hover table-striped">

    <thead>
        <tr>
            <th>序号</th>
            <th>书名</th>
            <th>价格</th>
            <th>出版社</th>
            <th>出版时间</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.name }}</td>
                <td>{{ book_obj.publish_date|date:'Y-m-d' }}</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-success btn-xs">编辑</a>
                    <a href="{% url 'delete' book_obj.pk %}" class="btn btn-success btn-xs">删除</a>
                </td>
            </tr>

        {% endfor %}

    </tbody>
</table>
<nav aria-label="Page navigation" class="text-center">
  <ul class="pagination">
    <li>
      <a href="#" aria-label="Previous">
        <span aria-hidden="true">&laquo;</span>
      </a>
    </li>
    <li><a href="#">1</a></li>
    <li><a href="#">2</a></li>
    <li><a href="#">3</a></li>
    <li><a href="#">4</a></li>
    <li><a href="#">5</a></li>
    <li>
      <a href="#" aria-label="Next">
        <span aria-hidden="true">&raquo;</span>
      </a>
    </li>
  </ul>
</nav>

{% endblock %}

add_book.py文件

{% extends 'home.html' %}
{% block content %}
    <h2 class="text-center">新增图书</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>
            出版时间<input type="date" name="publish_date" 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-success pull-right">
    </form>


{% endblock %}

edit_book.py文件

{% extends 'home.html' %}
{% block content %}
    <h2 class="text-center">编辑图书</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>
            出版时间<input type="date" name="publish_date" class="form-control" value="{{ edit_obj.publish_date|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>
                    {% else %}
                        <option value="{{ publish_obj.pk }}">{{ publish_obj.name }}</option>
                    {% endif %}


                {% 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 %}
标签
图书管理系统
date
models
publish
form
request
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