FormView django code example

Example 1: django templateview

from django.urls import path
from django.views.generic import TemplateView

urlpatterns = [
    path('about/', TemplateView.as_view(template_name="about.html")),
]

Example 2: django form view

class ContactView(FormView):
    form_class = ContactForm
    template_name = 'contact-us.html'
    success_url = reverse_lazy('<app_name>:contact-us')

    def get_initial(self):
        initial = super(ContactView, self).get_initial()
        if self.request.user.is_authenticated:
            initial.update({'name': self.request.user.get_full_name()})
        return initial

    def form_valid(self, form):
        self.send_mail(form.cleaned_data)
        return super(ContactView, self).form_valid(form)

    def send_mail(self, valid_data):
        # Send mail logic
        print(valid_data)

Example 3: formview django

from myapp.forms import ContactForm
from django.views.generic.edit import FormView

class ContactView(FormView):
    template_name = 'contact.html'
    form_class = ContactForm
    success_url = '/thanks/'

    def form_valid(self, form):
        # This method is called when valid form data has been POSTed.
        # It should return an HttpResponse.
        form.send_email()
        return super().form_valid(form)

Example 4: django updateview class

###### views.py #####
from .models import Article
from .forms import  UpdateArticleForm
from django.views.generic import UpdateView
class ArticleUpdateView(UpdateView):
    model = Article
    form_class = UpdateArticleForm
    template_name = 'articles/create_article.html'
    
###### urls.py  ######
from .views import ArticleUpdateView
urlpatterns =[ 
  path('articles/<int:pk>/update/', ArticleUpdateView.as_view()),]
# pk is default value (for primary key of id of an instance of object