Django 模板 {% block content %} 只能包含两个表单字段?

Django templates {% block content %} can contain only two form fields?

问题是:我们能否将超过 2 个字段的表单发送到模板中(我相信这应该是可能的)。请告知可能是什么问题:

我创建了包含 3 个字段的表单:

class Email(forms.Form):
    owner = forms.ChoiceField(choices=['Tyler', 'Aleks'])
    title = forms.CharField(max_length=150, label='Name the stuff')
    file = forms.FilePathField(path=path, label='Enter the path')

然后,在视图中操作它,我将表单对象发送到模板:

def mail_distribution(request):
    if request.method == 'POST':
        form = Email(request.POST)
        if form.is_valid():
            render(request, 'general/email.html', {'form': form})
    else:
        form = Email()
    return render(request, 'general/email.html', {'form': form})

这是模板本身:

{% extends 'general/base.html' %}

{% block content %}
     <form class="form-vertical" action="mail_distrib" role="form" method="post">
            {% csrf_token %}
            <div class="form-group" style="display: inherit">
                <center>
                    {{form.title}}
                </center>
            </div>
            <div class="form-group" style="display: inherit">
                <center>
                    {{form.owner}}
                </center>
            </div>
            <div class="form-group" style="display: inherit">
                <center>
                    {{form.file}}
                </center>
            </div>
          <center><input type="submit" value="OK"></center>
     </form>
{% endblock %}

之后我得到错误:

*模板渲染时出错

在模板 E:\Tyler\Projects\Web_dev\dj_api\Scripts\distribution\general\templates\general\email.html 中,第 13 行出错 太多值无法解压(预计 2 个)

第 13 行 - 13 {{form.owner}}*

像这样更改 choices 所有者字段中的属性

owner = forms.ChoiceField(choices=[('Tyler','Tyler'), ('Aleks', 'Aleks')])