from django.shortcuts import render
from .forms import MyForm

def my_view(request):
    if request.method == 'POST':
        form = MyForm(request.POST)
        if form.is_valid():
            # 处理有效表单数据
            pass
    else:
        form = MyForm()
    
    return render(request, 'my_template.html', {'form': form})

<form method="post">
    {% csrf_token %}
    {{ form.field.label_tag }}
    {{ form.field }}
    {% if form.field.errors %}
        <ul class="errorlist">
            {% for error in form.field.errors %}
                <li>{{ error }}</li>
            {% endfor %}
        </ul>
    {% endif %}
    <input type="submit" value="Submit">
</form>

<form method="post">
    {% csrf_token %}
    {{ form.as_p }}
    {% if form.errors %}
        <ul class="errorlist">
            {% for field in form %}
                {% for error in field.errors %}
                    <li>{{ error }}</li>
                {% endfor %}
            {% endfor %}
        </ul>
    {% endif %}
    <input type="submit" value="Submit">
</form>