循环遍历django表单中的特定字段

# forms.py
from django import forms

class MyForm(forms.Form):
    field1 = forms.CharField(label='Field 1')
    field2 = forms.CharField(label='Field 2')
    field3 = forms.CharField(label='Field 3')

# views.py
from django.shortcuts import render
from .forms import MyForm

def my_view(request):
    form = MyForm()
    return render(request, 'my_template.html', {'form': form})

# my_template.html
<form method="post">
    {% csrf_token %}
    {% for field in form %}
        {% if field.name == 'field2' %}
            <label for="{{ field.id_for_label }}">{{ field.label }}</label>
            {{ field }}
            {% if field.errors %}
                <ul class="errorlist">
                    {% for error in field.errors %}
                        <li>{{ error }}</li>
                    {% endfor %}
                </ul>
            {% endif %}
        {% endif %}
    {% endfor %}
    <input type="submit" value="Submit">
</form>