• 管理系统


    I.书籍管理系统

    models

    class Book(models.Model):
        """
        书籍
        """
    
        title=models.CharField(max_length=32)
        price=models.IntegerField()
        dates=models.DateField(null=True)
    
        p=models.ForeignKey('Publish')
    
    
    class Publish(models.Model):
        """
        出版社
        """
    
        name=models.CharField(max_length=32)
        address=models.CharField(max_length=32)
        city=models.CharField(max_length=32,null=True)
    
    class Author(models.Model):
        """
         作者
        """
    
        name=models.CharField(max_length=32)
    
    
    class Book2Author(models.Model):
        """
        书籍和作者关系表
        """
        book=models.ForeignKey('Book')
        author=models.ForeignKey('Author')
    View Code

    urls.py

     #---书籍
    
        url(r'^book/',views.book),
        url(r'^add_book/',views.add_book),
        url(r'^del_book/',views.del_book),
        url(r'^edit_book/(d+)/',views.edit_book),
    
    
        #---出版社
        
        url(r'^publish/',views.publish),
        url(r'^add_publish/',views.add_publish),
        url(r'^del_publish/',views.del_publish),
        url(r'^edit_publish/(d+)/',views.edit_publish),
    
        #---作者和书籍关系
        url(r'^author/', views.author),
        url(r'^add_author', views.add_author),
        url(r'^del_author/', views.del_author),
        url(r'^edit_author/(d+)/', views.edit_author),
    View Code

    views.py

    ##-------------书籍----------
    
    
    def book(request):
    
        book_list=models.Book.objects.all()
    
        for obj in book_list:
            print(obj.title,obj.p.name)
    
        return render(request,'book.html',locals())
    
    
    def add_book(request):
    
        if request.method=='GET':
    
            publish_list=models.Publish.objects.all()
    
            print(publish_list)
    
            return render(request,'add_book.html',locals())
    
        else:
    
            title=request.POST.get('title')
            price=request.POST.get('price')
            dates=request.POST.get('dates')
            p_id=request.POST.get('p_id')
    
            models.Book.objects.create(title=title,price=price,dates=dates,p_id=p_id)
    
            return redirect('/book/')
    
    
    def del_book(request):
    
        nid=request.GET.get('nid')
        models.Book.objects.filter(id=nid).delete()
    
        return redirect('/book/')
    
    
    def edit_book(request,a1):
        if request.method=='GET':
    
            current_book_info=models.Book.objects.filter(id=a1).first()
    
            publish_list = models.Publish.objects.all()
    
            print(locals())
    
            return render(request,'edit_book.html',locals())
    
        else:
    
            title=request.POST.get('title')
            price=request.POST.get('price')
            dates=request.POST.get('dates')
            p_id=request.POST.get('p_id')
    
            print(title,price,dates,p_id)
    
    
            models.Book.objects.filter(id=a1).update(title=title,price=price,dates=dates,p_id=p_id)
    
            return redirect('/book/')
    
    
    
    
    
    
    
    
    #--------------- 出版社 -------------
    
    def publish(request):
    
        publish_list=models.Publish.objects.all()
    
        return render(request,'publish.html',locals())
    
    def add_publish(request):
    
        if request.method=='GET':
    
            return render(request,'add_publish.html')
    
        else:
    
            name=request.POST.get('name')
            address=request.POST.get('address')
            city=request.POST.get('city')
    
            models.Publish.objects.create(name=name,address=address,city=city)
    
            return redirect('/publish/')
    
    
    
    def del_publish(request):
    
        nid=request.GET.get('nid')
    
        models.Publish.objects.filter(id=nid).delete()
    
        return redirect('/publish/')
    
    
    def edit_publish(request,a1):
    
        if request.method=='GET':
            current_publish_info=models.Publish.objects.filter(id=a1).first()
    
            return render(request,'edit_publish.html',locals())
    
        else:
    
            name=request.POST.get('name')
            address=request.POST.get('address')
            city=request.POST.get('city')
    
            models.Publish.objects.filter(id=a1).update(name=name,address=address,city=city)
    
            return redirect('/publish/')
    
    
    
    
    
    
    
    #------------作者和书籍(多对多)------------
    
    def author(request):
    
        author_list=models.Author.objects.all().values('id','name','book2author__book__title')
    
    
        # for i in author_list:
        #     print(i['id'],i['name'],i['book2author__book__title'])
    
        # print('******',author_list)
    
    
        result={}
        for row in author_list:
            id=row['id']
            print('###',id)
            if row['id'] in result:
                result[row['id']]['title'].append(row['book2author__book__title'])
            else:
                result[row['id']] = {'id':row['id'],'name':row['name'],'title':[row['book2author__book__title']]}
        print('*********',result)
    
    
        return render(request,'author.html',{'author_list':result.values()})
    
    
    def add_author(request):
    
        if request.method=='GET':
    
            book_list=models.Book.objects.all()
            return render(request,'add_author.html',locals())
    
        else:
    
            name=request.POST.get('name')
    
            author_id=models.Author.objects.create(name=name)
    
            book_ids=request.POST.getlist('book_ids')  ###传过来的书籍可能会多个:getlist
    
            # print('***#####**',author_id)
            # print('***#####***',book_ids)
    
    
    
            #多次连接,多次提交
    
            for b_id in book_ids:
                models.Book2Author.objects.create(author_id=author_id.id,book_id=b_id)
    
    
            return redirect('/author/')
    
    
    
    
    
    
    def edit_author(request,a1):
    
        if request.method=='GET':
    
            author_info=models.Author.objects.filter(id=a1).first()
            book_id_list=models.Book2Author.objects.filter(author_id=a1).values_list("book_id")
            book_id_list = [i[0] for i in book_id_list]
            book_list=models.Book.objects.all()
    
            # print('****',author_info)
            # print('****', book_id_list)
    
            return render(request,'edit_author.html',locals())
    
        else:
    
            name=request.POST.get('name')
            book_ids=request.POST.getlist('b_ids')
    
            print('b)ids')
    
            #更新作者表
            models.Author.objects.filter(id=a1).update(name=name)
    
            #更新作者和书籍表
             #先把当前作者和书籍表 对象关系删除
            models.Book2Author.objects.filter(author_id=a1).delete()
    
    
    
    
            for id in book_ids:
                models.Book2Author.objects.create(author_id=a1,book_id=id)
    
            return redirect('/author/')
    View Code

    ***.html

    #-----------书籍表

    book.html

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    
        <link rel="stylesheet" href="/static/bootstrap-3.3.5-dist/css/bootstrap.css">
        <style>
    
            .container{
                margin-top: 200px;
                margin-left: 150px;
            }
    
            body{
                background-image:url("/static/img/6.jpg");
                background-size: 100%;
                background-repeat: no-repeat;
    
            }
    
    
        </style>
    </head>
    
    
    <body>
    
    
    <div class="container">
    
    
        <div class="row">
    
            <div class="col-md-6 col-md-offset-2">
                <a href="/add_book/"><button class="btn btn-primary">添加</button></a>
                 <table class="table table-bordered ">
                        <tr>
                            <th>ID</th>
                            <th>书名</th>
                            <th>价格</th>
                            <th>出版日期</th>
                            <th>出版社</th>
                            <th>操作</th>
    
                        </tr>
    
    
                        {% for obj in book_list %}
    
                            <tr>
                                <td>{{ obj.id }}</td>
                                <td>{{ obj.title }}</td>
                                <td>{{ obj.price }}</td>
                                <td>{{ obj.dates|date:'Y-m-d' }}</td>
                                <td>{{ obj.p.name }}</td>
                                <td>
                                    <a href="/edit_book/{{ obj.id }}" class="btn btn-info">编辑</a>
                                    <a href="/del_book/?nid={{ obj.id }} " class="btn btn-warning">删除</a>
                                </td>
                            </tr>
    
                        {% endfor %}
    
    
    
    
                 </table>
            </div>
        </div>
    
    
    </div>
    View Code

    add_book.html

    {% load staticfiles %}
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>添加书籍</title>
    
        <link rel="stylesheet" href="{% static 'bootstrap-3.3.5-dist/css/bootstrap.css' %}">
        <link rel="stylesheet" href="{% static 'bootstrap-3.3.5-dist/js/bootstrap.js' %}">
    
        <style>
            .container{
                margin-top: 100px;
            }
        </style>
    
    </head>
    <body>
    
    <div class="container">
    
    
        <div class="row">
    
            <div class="col-md-6 col-md-offset-2">
    
                <form  action="/add_book/" method="post">
                          <div class="form-group">
                            <label for="title">书名</label>
                            <input type="text" class="form-control" id="title" placeholder="title" name="title">
                          </div>
    
                          <div class="form-group">
                                <label for="price">价格</label>
                                <input type="text" class="form-control" id="price" placeholder="price" name="price">
                          </div>
                          <div class="form-group">
                                <label for="dates">出版日期</label>
                                <input type="date" class="form-control" id="dates" placeholder="dates" name="dates">
                           </div>
                          <div class="form-group">
                            <label for="publish">出版社</label>
    {#                        <input type="text" class="form-control" id="publish" placeholder="publish" name="publish">#}
    
                          <p>
                              <select name="p_id" >
                                {% for row in publish_list %}
                                <option value="{{ row.id }}">{{ row.name }}</option>
    
                                {% endfor %}
    
                              </select>
                          </p>
    
                          </div>
    
                    <input type="submit" class="btn btn-info">
    
                       </form>
    
    
            </div>
        </div>
    
    
    </div>
    
    </body>
    </html>
    View Code

    edit_book.html

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>编辑书籍</title>
    </head>
    <body>
    
        <h1>编辑书籍</h1>
    
        <form method="POST" action="/edit_book/{{ a1 }}/">
    
    
            <p>书籍名称<input type="text" name="title"  value="{{ current_book_info.title }}" /></p>
            <p>价格<input type="text" name="price"  value="{{ current_book_info.price }}" /></p>
            <p>日期<input type="date" name="dates"  value="{{ current_book_info.dates|date:'Y-m-d' }}" /></p>
    
    
            <p>
                所属出版社
                <select name="p_id">
    
    
                    <!-- 循环所有的出版社 -->
                    {% for row in publish_list %}
                        <!-- 如果是当前书籍所在的出版社,则默认选中 -->
                        {% if current_book_info.p_id == row.id %}
                            <option selected value="{{  row.id }}">{{ row.name }}</option>
                        {% else %}
                            <option value="{{ row.id }}">{{ row.name }}</option>
                        {% endif %}
    
                    {% endfor %}
    
    
    
                </select>
            </p>
    
            <input type="submit" value="提交" />
    
        </form>
    
    
    
    
    
    </body>
    </html>
    View Code

    #--------出版社表

    publish.html

    {% load staticfiles %}
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    
        <link rel="stylesheet" href="{% static  'bootstrap-3.3.5-dist/css/bootstrap.css'%}">
        <style>
    
            .container{
                margin-top: 200px;
                margin-left: 150px;
            }
    
            body{
                background-image:url("/static/img/6.jpg");
                background-size: 100%;
                background-repeat: no-repeat;
    
            }
    
    
        </style>
    </head>
    
    
    <body>
    
    
    <div class="container">
    
    
        <div class="row">
    
            <div class="col-md-6 col-md-offset-2">
                <a href="/add_publish/"><button class="btn btn-primary">添加</button></a>
                 <table class="table table-bordered ">
                        <tr>
                            <th>ID</th>
                            <th>出版社</th>
                            <th>地址</th>
                            <th>城市</th>
                            <th>操作</th>
    
                        </tr>
    
    
                        {% for obj in publish_list %}
    
                            <tr>
                                <td>{{ obj.id }}</td>
                                <td>{{ obj.name }}</td>
                                <td>{{ obj.address }}</td>
                                <td>{{ obj.city }}</td>
    
    
                                <td >
                                    <a href="/edit_publish/{{ obj.id }}" class="btn btn-info col-md-offset-2">编辑</a>
                                    <a href="/del_publish/?nid={{ obj.id }}" class="btn btn-warning col-md-offset-1">删除</a>
                                </td>
                            </tr>
    
                        {% endfor %}
    
    
    
    
    
                 </table>
            </div>
        </div>
    
    
    </div>
    
    
    
    
    
    
    </body>
    
    
    
    </html>
    View Code

    add_publish.html

    {% load staticfiles %}
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>添加出版社</title>
    
        <link rel="stylesheet" href="{% static 'bootstrap-3.3.5-dist/css/bootstrap.css' %}">
        <link rel="stylesheet" href="{% static 'bootstrap-3.3.5-dist/js/bootstrap.js' %}">
    
        <style>
            .container{
                margin-top: 100px;
            }
        </style>
    
    </head>
    <body>
    
    <div class="container">
    
    
        <div class="row">
    
            <div class="col-md-6 col-md-offset-2">
    
                <form  action="/add_publish/" method="POST">
                          <div class="form-group">
                            <label for="name">出版社</label>
                            <input type="text" class="form-control" id="name" placeholder="name" name="name">
                          </div>
    
                          <div class="form-group">
                                <label for="address">地址</label>
                                <input type="text" class="form-control" id="address" placeholder="address" name="address">
                          </div>
                          <div class="form-group">
                                <label for="city">所在城市</label>
                                <input type="text" class="form-control" id="city" placeholder="city" name="dcity">
                           </div>
    
    
    
                    <input type="submit" class="btn btn-info">
    
                       </form>
    
    
            </div>
        </div>
    
    
    </div>
    
    </body>
    </html>
    View Code

    edit_author.html

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>编辑作者</title>
    </head>
    <body>
    
        <h1>编辑作者</h1>
    
        <form method="POST" action="/edit_author/{{ a1 }}/">
    
    
            <p>作者姓名<input type="text" name="name"  value="{{ author_info.name }}" /></p>
    
            <div>所写书籍
    
    
            <p>
                <select name="b_ids" multiple size="3">
    
                    {% for item in book_list %}
                        {% if item.id in book_id_list %}
                            <option value="{{ item.id }}" selected>{{ item.title }}</option>
                        {% else %}
                            <option value="{{ item.id }}">{{ item.title }}</option>
                        {% endif %}
                    {% endfor %}
    
    
                </select>
            </p>
    
            </div>
            <input type="submit" value="提交" />
    
        </form>
    
    
    
    
    
    </body>
    </html>
    View Code

    #--------作者表(包含Book和Author 关系

    authot.html

    {% load staticfiles %}
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    
        <link rel="stylesheet" href="{% static  'bootstrap-3.3.5-dist/css/bootstrap.css'%}">
        <style>
    
            .container{
                margin-top: 200px;
                margin-left: 150px;
            }
    
            body{
                background-image:url("/static/img/6.jpg");
                background-size: 100%;
                background-repeat: no-repeat;
    
            }
    
    
        </style>
    </head>
    
    
    <body>
    
    
    <div class="container">
    
    
        <div class="row">
    
            <div class="col-md-7 col-md-offset-2">
                <a href="/add_author/"><button class="btn btn-primary">添加</button></a>
                 <table class="table table-bordered ">
                        <tr>
                            <th>ID</th>
                            <th>作者姓名</th>
                            <th class="col-md-3">所写书籍</th>
    
                            <th>操作</th>
    
                        </tr>
    
    
                        {% for obj in author_list %}
    
                            <tr>
                                <td>{{ obj.id }}</td>
                                <td>{{ obj.name }}</td>
    
                                <td>
                                    {% for item in obj.title %}
    
                                        <span style="display: inline-block;padding: 5px;border: 2px solid #c0a16b">{{ item }}</span>
    
                                    {% endfor %}
    
                                </td>
    
                                <td >
                                    <a href="/edit_author/{{ obj.id }}" class="btn btn-info col-md-offset-3">编辑</a>
                                    <a href="/del_author/?nid={{ obj.id }}" class="btn btn-warning ">删除</a>
                                </td>
                            </tr>
    
                        {% endfor %}
    
    
    
    
    
                 </table>
            </div>
        </div>
    
    
    </div>
    View Code

    add_author.html

    {% load staticfiles %}
    
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>添加作者</title>
    
        <link rel="stylesheet" href="{% static 'bootstrap-3.3.5-dist/css/bootstrap.css' %}">
        <link rel="stylesheet" href="{% static 'bootstrap-3.3.5-dist/js/bootstrap.js' %}">
    
        <style>
            .container{
                margin-top: 100px;
            }
        </style>
    
    </head>
    <body>
    
    <div class="container">
    
    
        <div class="row">
    
            <div class="col-md-6 col-md-offset-2">
    
                <form  action="/add_author/" method="post">
                          <div class="form-group">
                            <label for="name">作者姓名</label>
                            <input type="text" class="form-control" id="name" placeholder="姓名" name="name">
                          </div>
    
                        <div class="form-group">
                            <label for="title">所写书籍</label>
    {#                        <input type="text" class="form-control" id="title" placeholder="所写书籍" name="title">#}
                            <p>
                                <select name="book_ids" multiple size="3">
                                {% for item in book_list %}
                                    <option value="{{ item.id }}">{{ item.title }}</option>
                                {% endfor %}
    
                                </select>
                            </p>
    
                        </div>
    
    
                    <input type="submit" class="btn btn-info">
    
                       </form>
    
    
            </div>
        </div>
    
    
    </div>
    
    </body>
    </html>
    View Code

    edit_author.html

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>编辑作者</title>
    </head>
    <body>
    
        <h1>编辑作者</h1>
    
        <form method="POST" action="/edit_author/{{ a1 }}/">
    
    
            <p>作者姓名<input type="text" name="name"  value="{{ author_info.name }}" /></p>
    
            <div>所写书籍
    
    
            <p>
                <select name="b_ids" multiple size="3">
    
                    {% for item in book_list %}
                        {% if item.id in book_id_list %}
                            <option value="{{ item.id }}" selected>{{ item.title }}</option>
                        {% else %}
                            <option value="{{ item.id }}">{{ item.title }}</option>
                        {% endif %}
                    {% endfor %}
    
    
                </select>
            </p>
    
            </div>
            <input type="submit" value="提交" />
    
        </form>
    
    
    
    
    
    </body>
    </html>
    View Code

     

    所用背景图片:

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  • 原文地址:https://www.cnblogs.com/zhaochangbo/p/7200362.html
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