Python 如何在Django中根据表单中的字段过滤模型表单中的数据

我正在尝试根据表单中选定的字段筛选数据。我已经创建了一个模型并将其导入forms.py

from django import forms
from django.forms import ModelForm
from .models import Student_Detail, Student_Education
class StudentDetailForm(forms.ModelForm):
   class Meta:
       model = Student_Detail
       fields = ['name', 'surname' , 'sex', 'birth_date', 'area', 
          'state' ,
           'city' , 'pincode']

        def to_python(self, value):

            if not value:
                return []
            return value.split(',')

而我的模特们

`

现在，我想根据在同一表单中选择的州来筛选表单中的城市

我的观点是

from django.shortcuts import render
from .models import City, Student_Detail, State, Student_Education
from django.http import HttpResponseRedirect
from .forms import StudentDetailForm, StudentEducationForm


def get_student_data(request):

    if request.method == 'POST':
        form_detail = StudentDetailForm(request.POST)

        if form_detail.is_valid():
            form_detail.save()
            return HttpResponseRedirect('/home/')

    else:
        form_detail = StudentDetailForm()

        return render(request,'home/form.html/', 
        {'form_detail':form_detail, })

def thanks(request):
    template_name = 'home/thanks.html/'

    return render(request, template_name, {})

我还尝试使用表单在两个不同的模型中输入数据，但在视图层将数据保存在两个不同的模型中时出现了一些错误。

---

请提供帮助。

像这样访问您的表单字段

myForm.fields['name']

并过滤学生详细信息

from django.shortcuts import render
from django.http import HttpResponse

def student_view(request):
    # your business logic or whatever goes here
    if form.is_valid():
        students = Student_Detail.objects.filter(name=myForm.fields['name'], 
                                           surname=myForm.fields['surname'])

    return render(request, 'student_view.html', {data=students})

from django.shortcuts import render
from django.http import HttpResponse

def student_view(request):
    # your business logic or whatever goes here
    if form.is_valid():
        students = Student_Detail.objects.filter(name=myForm.fields['name'], 
                                           surname=myForm.fields['surname'])

    return render(request, 'student_view.html', {data=students})