Django系列：TemplateView，ListView，DetailView

类视图

  • View
    • 核心
    • dispatch
  • TemplateView
    • 多继承的子类
    • View
      • 分发
      • 函数 dispatch
    • ContextMixin
      • 接收上下文
      • 从视图函数传递到模板的内容
      • 函数 get_context_data
    • TemplateResponseMixin
      • 将内容渲染到模板中
      • template_name
      • template_engine
      • response_class
      • content_type
      • 函数 render_to_response
  • ListView
    • MultipleObjectTemplateResponseMixin
      • TemplateResponseMixin
      • 获取模板名字
        • 首先根据template_name
        • 如果没找到
          • 自己根据 应用的名字，关联模型的名字， _list.html 去查找
          • App/book_list.html
    • BaseListView
      • MultipleObjectMixin
        • ContextMixin
        • get_queryset
        • model
      • View
      • 默认实现了get，渲染成了response
  • DetailView
    • SingleObjectTemplateResponseMixin
      • TemplateResponseMixin
      • 重写了获取模板名字的方法
    • BaseDetailView
      • View
      • SingleObjectMixin

1、urls.py

from django.conf.urls import url

from App import views

urlpatterns = [
    url(r'^hello/', views.HelloView.as_view(), name='hello'),
    # url(r'^template/', views.HelloTemplateView.as_view(template_name='hello.html'), name='template'),
    url(r'^template/', views.HelloTemplateView.as_view(), name='template'),
    url(r'^listview/', views.HelloListView.as_view(), name='listview'),
    url(r'^single/(?P<pk>\d+)/', views.HeDetailView.as_view(), name='single'),
]

2、models.py

from django.db import models
class Book(models.Model):

    b_name = models.CharField(max_length=32)

3、views.py

from django.shortcuts import render
from django.views import View
from django.views.generic import TemplateView, ListView, DetailView

from App.models import Book


class HelloView(View):

    def get(self, request):

        return render(request, 'hello.html')


class HelloTemplateView(TemplateView):
    template_name = 'hello.html'


class HelloListView(ListView):

    template_name = 'BookList.html'

    model = Book


class HeDetailView(DetailView):

    # template_name = 'Book.html'

    # model = Book

    queryset = Book.objects.all()

4、templates-》Book.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Book</title>
</head>
<body>

<h2>{{ book.b_name }}</h2>

</body>
</html>

5、templates-》BookList.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>BookList</title>
</head>
<body>
    <ul>
        {% for book in object_list %}
            <li><a href="{% url 'cbv:single' pk=book.id %}">{{ book.b_name }}</a></li>
        {% endfor %}

    </ul>
</body>
</html>

6、templates-》App-》book_detail.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>BookDetail</title>
</head>
<body>

    <h2 style="color: green">{{ book.b_name }}</h2>

</body>
</html>
posted @ 2020-02-11 22:04  xidianzxm  阅读(350)  评论(0)  编辑  收藏  举报