Django FormView在success_url中传递pk

Django FormView pass pk in success_url

假设我有以下表单视图，并且我想在提交表单后将item.pk传递给其他视图。我想我必须编辑get_success_url()，但我甚至不知道如何从form_valid()获取item.pk：

型号.py

1
2
3
4
5
6
7
8
9

from django.db import models

class Book(models.Model):
field1 = models.CharField(max_length=32)
field2 = models.CharField(max_length=32)
field3 = models.CharField(max_length=32)

def __str__(self):
return self.field1

表格.py

1
2
3
4
5
6
7
8
9
10

from django import forms
from .models import Book

class SomeForm(forms.ModelForm):

field_order = ['field3', 'field2', 'field1']

class Meta:
model = Book
fields = ['field1', 'field2', 'field3']

号

视图.py

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

from django.shortcuts import render
from django.views.generic.edit import FormView
from .forms import SomeForm

class SomeView(FormView):
form_class = SomeForm
template_name = 'appname/form.html'
success_url = reverse_lazy('somewhere')

def form_valid(self, form):

# save in Database
item = form.save()

# item.pk stores the saved pk

return super().form_valid(form)

def get_success_url(self)
# how can i get item.pk from form_valid() here and pass it to another view?