Django教程-基于 Django 类的通用视图

from django.db import models # Create your models here. class Employee (models.Model) : first_name = models.CharField(max_length= 30 ) last_name = models.CharField(max_length= 30 ) mobile = models.CharField(max_length= 10 ) email = models.EmailField() def __str__ (self) : return "%s %s" % (self.first_name, self.last_name)

python manage .py makemigrations python manage .py migrate

from django.forms import fields from .models import Employee from django import forms class EmployeeForm (forms.ModelForm) : class Meta : # To specify the model to be used to create form model = Employee # It includes all the fields of model fields = ’__all__’

from django.http import HttpResponse def function_view (request) : if request.method == ’GET’ : # View logic will place here return HttpResponse( ’response’ )

from django.http import HttpResponse from django.views import View class NewView (View) : def get (self, request) : # View logic will place here return HttpResponse( ’response’ )

# urls.py from django.urls import path from myapp.views import NewView urlpatterns = [ path( ’about/’ , NewView.as_view()), ]

from .models import Employee from .forms import EmployeeForm from django.views.generic.edit import CreateView class EmployeeCreate (CreateView) : model = Employee fields = ’__all__’

from django.urls import path from .views import EmployeeCreate urlpatterns = [ path( ’’ , EmployeeCreate.as_view(), name = ’EmployeeCreate’ ) ]

from django.views.generic.list import ListView class EmployeeRetrieve (ListView) : model = Employee

from django.urls import path from .views import EmployeeCreate, EmployeeRetrieve urlpatterns = [ path( ’’ , EmployeeCreate.as_view(), name = ’EmployeeCreate’ ), path( ’retrieve/’ , EmployeeRetrieve.as_view(), name = ’EmployeeRetrieve’ ) ]

{% extends ’base.html’ %} {% block content %} <ul class = "nav flex-column" > <!-- Iterate over object_list --> {% for object in object_list %} <!-- Display Objects --> < li class = "nav-item" > First Name: {{ object.first_name }} </ li > < li class = "nav-item" > Last Name: {{ object.last_name }} </ li > < li class = "nav-item" > Mobile: {{ object.mobile }} </ li > < li class = "nav-item" > Email: {{ object.email }} </ li > < hr /> <!-- If object_list is empty --> {% empty %} < li class = "nav-item" > No objects Find </ li > {% endfor %} </ ul > {% endblock content %}

from django.views.generic.detail import DetailView class EmployeeDetail (DetailView) : model = Employee

from django.urls import path from .views import EmployeeCreate, EmployeeDetail, EmployeeRetrieve urlpatterns = [ path( ’’ , EmployeeCreate.as_view(), name = ’EmployeeCreate’ ), path( ’retrieve/’ , EmployeeRetrieve.as_view(), name = ’EmployeeRetrieve’ ), path( ’retrieve/<int:pk>’ , EmployeeDetail.as_view(), name = ’EmployeeDetail’ ) ]

{% extends ’base.html’ %} {% block content %} < h1 > {{ object.first_name }} {{object.last_name}} </ h1 > < p > {{ object.email }} </ p > < p > {{ object.mobile }} </ p > {% endblock content %}

from django.views.generic.edit import UpdateView class EmployeeUpdate (UpdateView) : model = Employee

from django.urls import path from .views import EmployeeCreate, EmployeeDetail, EmployeeRetrieve, EmployeeUpdate, EmployeeDelete urlpatterns = [ path( ’’, EmployeeCreate.as_view(), name = ’ EmployeeCreate ’), path(’ retrieve/ ’, EmployeeRetrieve.as_view(), name = ’ EmployeeRetrieve ’), path(’ < int :pk> ’, EmployeeDetail.as_view(), name = ’ EmployeeDetail ’), path(’ < int :pk>/update/ ’, EmployeeUpdate.as_view(), name = ’ EmployeeUpdate ’), path(’ < int :pk>/ delete / ’, EmployeeDelete.as_view(), name = ’ EmployeeDelete ’) ]

from django.views.generic.edit DeleteView class EmployeeDelete (DeleteView) : model = Employee # here we can specify the URL # to redirect after successful deletion success_url = ’/’

from django.urls import path from .views import EmployeeCreate, EmployeeDetail, EmployeeRetrieve, EmployeeUpdate, EmployeeDelete urlpatterns = [ path( ’’ , EmployeeCreate.as_view(), name = ’EmployeeCreate’ ), path( ’retrieve/’ , EmployeeRetrieve.as_view(), name = ’EmployeeRetrieve’ ), path( ’<int:pk>’ , EmployeeDetail.as_view(), name = ’EmployeeDetail’ ), path( ’<pk>/update/’ , EmployeeUpdate, name = ’EmployeeUpdate’ ), path( ’<pk>/delete/’ , EmployeeDelete, name = ’EmployeeDelete’ ) ]

{% extends ’base.html’ %} {% block content %} <form method= "post" > {% csrf_token %} <p>Are you sure you want to delete "{{ object }}" ? </ p > <input type= "submit" value= "Confirm" > </ form > {% endblock content %}

from django.shortcuts import redirect, render from django.urls import reverse, reverse_lazy from django.contrib import messages from .models import Employee from .forms import EmployeeForm from django.views.generic.edit import CreateView, DeleteView, UpdateView from django.views.generic.list import ListView from django.views.generic.detail import DetailView class EmployeeCreate (CreateView) : model = Employee fields = ’__all__’ success_url = reverse_lazy( ’sampleapp: EmployeeRetrieve’ ) class EmployeeRetrieve (ListView) : model = Employee success_url = reverse_lazy( ’sampleapp: EmployeeRetrieve’ ) class EmployeeDetail (DetailView) : model = Employee success_url = reverse_lazy( ’sampleapp: EmployeeRetrieve’ ) class EmployeeUpdate (UpdateView) : model = Employee template_name_suffix = ’_update_form’ fields = ’__all__’ success_url = reverse_lazy( ’sampleapp: EmployeeRetrieve’ ) # def get_success_url(self): class EmployeeDelete (DeleteView) : model = Employee # here we can specify the URL # to redirect after successful deletion success_url = ’/’

"""Hello URL Configuration The `urlpatterns` list routes URLs to views. For more information please see: https://docs.djangoproject.com/en/3.1/topics/http/urls/ Examples: Function views 1. Add an import: from my_app import views 2. Add a URL to urlpatterns: path(’’, views.home, name=’home’) Class-based views 1. Add an import: from other_app.views import Home 2. Add a URL to urlpatterns: path(’’, Home.as_view(), name=’home’) Including another URLconf 1. Import the include() function: from django.urls import include, path 2. Add a URL to urlpatterns: path(’blog/’, include(’blog.urls’)) """ from django.contrib import admin126459646 from django.urls import path from django.urls.conf import include urlpatterns = [ path( ’admin126459646/’ , admin126459646.site.urls), path( ’’ , include(( ’sampleapp.urls’ ), namespace= ’sampleapp’ )) ]

from django.urls import path from .views import EmployeeCreate, EmployeeDetail, EmployeeRetrieve, EmployeeUpdate, EmployeeDelete app_name = ’sampleapp’ urlpatterns = [ path( ’’, EmployeeCreate.as_view(), name = ’ EmployeeCreate ’), path(’ retrieve/ ’, EmployeeRetrieve.as_view(), name = ’ EmployeeRetrieve ’), path(’ < int :pk> ’, EmployeeDetail.as_view(), name = ’ EmployeeDetail ’), path(’ < int :pk>/update/ ’, EmployeeUpdate.as_view(), name = ’ EmployeeUpdate ’), path(’ < int :pk>/ delete / ’, EmployeeDelete.as_view(), name = ’ EmployeeDelete ’) ]

<!doctype html> < html lang = "en" > < head > <!-- Required meta tags --> < meta charset = "utf-8" > < meta name = "viewport" content = "width=device-width, initial-scale=1" > <!-- Bootstrap CSS --> < link href = "https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel = "stylesheet" integrity = "sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin = "anonymous" > < title > Register Page </ title > </ head > < body > < div class = ’col-md-8’ > {% if messages %} < ul > {% for message in messages %} < div class = ’alert alert-{{message.tags}}’ > {{ message }} </ div > {% endfor %} </ ul > {% endif %} </ div > {% block content %} < script src = "https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js" integrity = "sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin = "anonymous" > </ script > {% endblock content %} </ body > </ html >

{% extends ’base.html’ %} {% block content %} < table class = "table table-borderless" > < thead class = "border-bottom font-weight-bold" > < tr > < td > First Name </ td > < td > Last Name </ td > < td > Mobile </ td > < td > Email </ td > {% comment %} < a href = "{% url ’EmployeeRetrieve’ %}" class = "btn btn-outline-success" > < i class = "fas fa-plus" > </ i > Add New {% endcomment %} </ a > </ td > </ tr > </ thead > {% for object in object_list %} <!-- Display Objects --> < tr > < td > {{ object.first_name }} </ td > < td > {{object.last_name }} </ td > < td > {{object.mobile }} </ td > < td > {{object.email }} </ td > < td > < td > < button > < a href = ’/{{object.pk}}/delete’ class = ’class="btn text-secondary px-0’ > Delete </ a > </ button > </ td > < td > < button > < a href = ’/{{object.pk}}/update’ class = ’class="btn text-secondary px-0’ > Update </ a > </ button > </ td > {% endfor %} </ table >

{% extends ’base.html’ %} {% block content %} < h1 > {{ object.first_name }} {{object.last_name}} </ h1 > < p > {{ object.email }} </ p > < p > {{ object.mobile }} </ p > < td > < button > < a href = ’/{{object.pk}}/delete’ class = ’class="btn text-secondary px-0’ > Delete </ a > </ button > </ td > < td > < button > < a href = ’/{{object.pk}}/update’ class = ’class="btn text-secondary px-0’ > Update </ a > </ button > </ td > {% endblock content %}

{% extends ’base.html’ %} {% block content %} < form method = "post" > {% csrf_token %} {{ form.as_p }} < input type = "submit" value = "Update" > </ form > {% endblock content %}

{% extends ’base.html’ %} {% block content %} <form method= "post" >{% csrf_token %} <p>Are you sure you want to delete "{{ object }}" ? </ p > <input type= "submit" value= "Confirm" > </ form > {% endblock content %}