Django - cbv formview

# 첫번째 파일

school > classroom > views.py

from django.shortcuts import render
# 이것은 내가 찾고 있는 URL의 실제 이름을 리턴한다.
# reverse는 string타입을 리턴하고 reverse_lazy는 object 타입을 리턴한다.
# 또한 success_url 을 사용하는경우, reverse_lazy를 사용한다.
from django.urls import reverse, reverse_lazy
from django.views.generic import TemplateView, FormView
from classroom.forms import ContactForm

# Create your views here.
# def home_view(request):
#     return render(request, 'classroom/home.html')

class HomeView(TemplateView):
    template_name = 'classroom/home.html'

class ThankYouView(TemplateView):
    template_name = 'classroom/thank_you.html'

class ContactFormView(FormView):
    form_class = ContactForm
    template_name = 'classroom/contact.html'

    # URL NOT a template.html
    success_url = reverse_lazy('classroom:thank_you')

    # what to do with form?
    def form_valid(self, form):
        print(form.cleaned_data)

        # ContactForm(request.POST)
        return super().form_valid(form)

---

# 두번째 파일

school > classroom > urls.py

from django.urls import path
from .views import HomeView, ThankYouView, ContactFormView

app_name = 'classroom'

# domain.com/classroom/
urlpatterns = [
    path('', HomeView.as_view(), name = 'home'), # path expects a function
    path('thank_you/', ThankYouView.as_view(), name = 'thank_you'), # path expects a function
    path('contact/', ContactFormView.as_view(), name = 'contact')
]

---

# 세번째 파일

school > classroom > templates > classroom > home.html

<h1>welcome to home.html</h1>
<li>
    <ul>
        <a href='{% url 'classroom:thank_you' %}'>Thank you page link</a>
    </ul>
    <ul>
        <a href='{% url 'classroom:contact' %}'>Contact form page link</a>
    </ul>


</li>

---

# 네번째 파일

school > classroom > templates > classroom > contact.html

<h1>Form View Template (contact.html)</h1>
<form method='POST'>
    {% csrf_token %}
    {{form.as_p}}
    <input type='submit' value='Submit'>
</form>

---

# 다섯번째 파일

school > classroom > forms.py

from django import forms

class ContactForm(forms.Form):
    name = forms.CharField()
    message = forms.CharField(widget=forms.Textarea)