错误“TypeError：FirstForm() 缺少 1 个必需的位置参数：'request'”

Question

再会！

经常工作 views.py 时，您会遇到这种错误：

类型错误：FirstForm() 缺少 1 个必需的位置参数：“请求”

视图.py

def FirstForm(request):
if request.method == 'GET':
    form = FirstForm()
else:
    form = FirstForm(request.POST)
    if form.is_valid():
        name = form.cleaned_data['name']
        email = form.cleaned_data['email']
        date = form.cleaned_data['date']
        number = form.cleaned_data['number']
        try:
            send_mail(email, (name, date, number), settings.EMAIL_HOST_USER, ['daribian@list.ru'])
        except BadHeaderError:
            return HttpResponse('Invalid header found.')
        return redirect('success')
return render(request, 'index.html', {'form': form})

def successView(request):
    return HttpResponse('Success!')

Сan你告诉我问题是什么？

Answer 1

您的视图与表单同名，因此如果您调用FirstForm ，您将调用视图，而不是表单。

因此，最好将视图命名为不同的名称，例如first_view ：

def first_view(request):
    if request.method == 'GET':
        form = FirstForm()
    else:
        form = FirstForm(request.POST, request.FILES)
        if form.is_valid():
            name = form.cleaned_data['name']
            email = form.cleaned_data['email']
            date = form.cleaned_data['date']
            number = form.cleaned_data['number']
            try:
                send_mail(email, (name, date, number), settings.EMAIL_HOST_USER, ['daribian@list.ru'])
            except BadHeaderError:
                return HttpResponse('Invalid header found.')
            return redirect('success')
    return render(request, 'index.html', {'form': form})

注意：根据PEP-8 ，你应该在snake_case中编写函数，而不是camelCase ，所以success_view而不是successView 。