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[英]Django ModelForm add extra fields from the ForeignKey related fields
[英]django: if model has related models (ForeignKey) display Fields in main modelform
我有兩個模型:
class Post(models.Model):
image = models.ImageField(upload_to='%Y/%m/%d')
title = models.CharField(max_length=200)
class Addimg(models.Model):
addimages = models.ForeignKey('Post', null=True)
addimg = models.ImageField(upload_to='images')
我希望使用到目前為止可以正常運行的“ Addimg”模型將圖像添加到我的Post模型中,但是現在我希望在編輯父模型(Post)時,所有附加的“ Addimg”模型也都出現在表單中。 我該怎么辦? 什么是最簡單的解決方案?
這是處理“父母”表格的視圖:
def edit(request, pk):
post = get_object_or_404(Post, pk=pk)
if request.method == "POST":
form = PostForm(request.POST, request.FILES, instance=post)
if form.is_valid():
post = form.save(commit=False)
post.save()
return redirect('blog.views.detail', pk=post.pk)
else:
form = PostForm(instance=post)
return render(request, 'blog/edit.html', {'form': form})
和我的forms.py:
class PostForm(forms.ModelForm):
class Meta:
model = Post
fields = ('image', 'title',)
class AddimgForm(forms.ModelForm):
class Meta:
model = Addimg
fields = ('addimages', 'addimg',)
在我的表單模板中,我有:
<form enctype="multipart/form-data" method="POST" class="post-form">
{% csrf_token %}
{{ form.as_p }}
<button type="submit" >Save</button>
</form>
我對任何提示或有用的鏈接都會非常滿意,因為我對Django /編程非常陌生,我什至不知道要搜索的正確關鍵字。 謝謝
看看內聯表單集 。
好的,對於django來說很簡單:
在forms.py中:
from django.forms.models import inlineformset_factory
MyFormSet = inlineformset_factory(Post, Addimg, extra=1, fields = ('addimages', 'addimg',))
在views.py中:
from .forms import PostForm, MyFormSet
def manageimages(request, pk):
post = get_object_or_404(Post, pk=pk)
if request.method == "POST":
formset = MyFormSet(request.POST, request.FILES, instance=post)
if formset.is_valid():
formset.save()
post.save()
return redirect('blog.views.someview')
else:
formset = MyFormSet(instance=post)
return render(request, 'blog/myformsettemplate.html', {'formset': formset})
並在myformsettemplate.html中:
<form enctype="multipart/form-data" method="POST" class="post-form">
{% csrf_token %}
{{ formset.management_form }}
{% for form in formset %}
<div class="third">
{{ form.as_p }}
</div>
{% endfor %}
<button type="submit" >Save</button>
</form>
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