Python 无法在Django中设置默认表单值

我试图在Django应用程序中为表单字段设置默认值，但我所做的一切似乎都不起作用。我正在使用Django 2.2.3

这是我在

视图.py中的代码：

def my_view(request, template_name="path/to/template"):
  form = MyForm(request.POST, initial={
    'field_one': field_one_default,
    'field_two': field_two_default,
  })

  try:
    if request.method == 'POST':
      if form.is_valid():
        field_one = form.cleaned_data['field_one']
        field_two = form.cleaned_data['field_two']

        my_model.field_one = field_one
        my_model.field_two = field_two
        my_model.save()

        return redirect('redirected_page')

      return render(request, template_name, {'form': form})

    return render(request, template_name, {'form': form})

  except Http404 as e:
    return Http404("An error occurred.")

class MyForm(forms.Form):
  field_one_choices = [
    ('Choice One', 'Choice One'),
    ('Choice Two', 'Choice Two'),
    ('Choice Three', 'Choice Three'),
  ]

  field_one = forms.ChoiceField(choices=field_one_choices, required=True)
  field_two = forms.IntegerField(
    validators=[MaxValueValidator(100), MinValueValidator(1)],
    required=True
  )

这是我在
表单中的代码。py
：

def my_view(request, template_name="path/to/template"):
  form = MyForm(request.POST, initial={
    'field_one': field_one_default,
    'field_two': field_two_default,
  })

  try:
    if request.method == 'POST':
      if form.is_valid():
        field_one = form.cleaned_data['field_one']
        field_two = form.cleaned_data['field_two']

        my_model.field_one = field_one
        my_model.field_two = field_two
        my_model.save()

        return redirect('redirected_page')

      return render(request, template_name, {'form': form})

    return render(request, template_name, {'form': form})

  except Http404 as e:
    return Http404("An error occurred.")

class MyForm(forms.Form):
  field_one_choices = [
    ('Choice One', 'Choice One'),
    ('Choice Two', 'Choice Two'),
    ('Choice Three', 'Choice Three'),
  ]

  field_one = forms.ChoiceField(choices=field_one_choices, required=True)
  field_two = forms.IntegerField(
    validators=[MaxValueValidator(100), MinValueValidator(1)],
    required=True
  )

这是我在模板中的代码：

{% load fontawesome_5 %}
{% load bootstrap4 %}

<div class="container spacing-top">
  <form method="post">{% csrf_token %}
    {% bootstrap_form form %}
    <input class="btn btn-info" type="submit" value="Save">
    <a class="btn btn-secondary" href="{% url 'another_page_url' %}">Cancel</a>
  </form>
</div>

非常感谢您的帮助！提前谢谢
 所以我终于发现了我的错误。阅读报告告诉我以下几点：

这就是为什么仅为未绑定的表单显示初始值。对于绑定表单，HTML输出将使用绑定数据

这篇文档解释了绑定表单和未绑定表单的含义，给出了绑定表单的示例
form=NameForm（request.POST）

因此，为了解决发布的问题，我更改了我的
视图.py
代码如下：

def my_view(request, template_name="path/to/template"):
  form = MyForm(request.POST or None, initial={
    'field_one': field_one_default,
    'field_two': field_two_default,
  })

  ...