1. 新建项目

2、新建静态文件夹，在settings 中配置静态文件，配置数据库

3、配置 路由

4、各功能

4.1返回主页面

4.2 查看

{% extends 'home.html' %}

{% block content %}
    <a href="{% url 'add_book' %}" class="btn btn-success">添加</a>
    <table class="table table-striped table-bordered table-hover">
        <thead>
        <tr>
            <th>id</th>
            <th>书名</th>
            <th>价格</th>
            <th>出版时间</th>
            <th>出版社</th>
            <th>作者</th>
            <th>操作</th>
        </tr>
        </thead>
        <tbody>
        {% for book_obj in book_info %}
            <tr>
                <td>{{ book_obj.pk }}</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' book_obj.pk %}" class="btn btn-warning">编辑</a>
                    <a href="{% url 'delete_book' book_obj.pk %}" class="btn btn-danger">删除</a></td>
            </tr>

        {% endfor %}

        </tbody>
    </table>
{% endblock %}

html

4.3 新增书籍

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 = request.POST.get('publish')
        authors = request.POST.getlist('authors')
        #  新增数据
        book_obj = models.Book.objects.create(title=title, price=price, publish_id=publish, publish_time=publish_time)

        # 手动新增book和author之间的外键关系
        book_obj.authors.add(*authors)
        return redirect('book_info')
    # 把作者列表和出版社列表传递给前端
    publish_list = models.Publish.objects.all()
    author_list = models.Author.objects.all()
    return render(request, 'add_book.html', locals())

add_book

4.4 修改书籍

{% extends 'home.html' %}


{% block content %}
    <h1 class="text-center">编辑书籍</h1>
    <form action="" method="post">
        <p>书名：<input type="text" class="form-control" name="title" value="{{ edit_obj.title }}"></p>
        <p>价格：<input type="text" class="form-control" name="price" value="{{ edit_obj.price }}"></p>
        <p>出版时间：<input type="date" class="form-control" name="publish_time" 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_list %}
                    {% if edit_obj.publish == publish_obj %}
                        <option value="{{ publish_obj.pk }}" class="form-control"
                                selected>{{ publish_obj.name }}</option>
                    {% else %}
                        <option value="{{ publish_obj.pk }}" class="form-control">{{ publish_obj.name }}</option>
                    {% endif %}
                {% endfor %}
            </select>
        </p>
        <p>作者：
            <select name="authors" id="" class="form-control" multiple>
                {% for author_obj in author_list %}
                    {% 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>
        <p>
            <input type="submit" class="btn btn-success pull-right">
        </p>

    </form>
{% endblock %}

edit_book