如何在Django中自动填充可编辑表单

# forms.py
from django import forms
from .models import UserProfile

class UserProfileForm(forms.ModelForm):
    class Meta:
        model = UserProfile
        fields = ['username', 'email', 'phone']
        
    def __init__(self, *args, **kwargs):
        super(UserProfileForm, self).__init__(*args, **kwargs)
        # 自动填充字段
        self.initial['username'] = 'John Doe'
        self.initial['email'] = 'johndoe@example.com'
        self.fields['phone'].widget.attrs['readonly'] = True  # 设置字段为只读

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

def profile(request):
    form = UserProfileForm(request.POST or None)
    if request.method == 'POST':
        if form.is_valid():
            form.save()
            # 保存表单数据或执行其他逻辑
    return render(request, 'profile.html', {'form': form})

# profile.html
<form method="post" action="{% url 'profile' %}">
    {% csrf_token %}
    {{ form.as_p }}
    <input type="submit" value="Save">
</form>