from django import forms
from .models import YourModel

class YourForm(forms.ModelForm):
    class Meta:
        model = YourModel
        fields = ['foreign_key', 'other_fields']

from django.shortcuts import render, get_object_or_404
from .models import YourModel
from .forms import YourForm

def your_view(request, foreign_key_id):
    foreign_key = get_object_or_404(YourForeignKeyModel, pk=foreign_key_id)
    form = YourForm(initial={'foreign_key': foreign_key})
    
    # 处理表单提交逻辑
    if request.method == 'POST':
        form = YourForm(request.POST)
        if form.is_valid():
            # 处理表单数据
            
    context = {'form': form}
    return render(request, 'your_template.html', context)

<form method="post">
    {% csrf_token %}
    {{ form.as_p }}
    <button type="submit">提交</button>
</form>