向django中的多个选定用户发送相同的通知

# models.py
from django.db import models
from django.contrib.auth.models import User

class Notification(models.Model):
    content = models.TextField()
    sender = models.ForeignKey(User, on_delete=models.CASCADE, related_name='sent_notifications')
    receiver = models.ForeignKey(User, on_delete=models.CASCADE, related_name='received_notifications')
    created_at = models.DateTimeField(auto_now_add=True)

# views.py
from django.shortcuts import render
from django.contrib import messages
from .models import Notification

def send_notification(request):
    selected_users = User.objects.filter(is_selected=True)  # 根据选定条件筛选用户
    notification_content = "您有一条新的通知消息。"  # 通知内容

    for user in selected_users:
        Notification.objects.create(content=notification_content, sender=request.user, receiver=user)

    messages.success(request, "通知发送成功！")  # 添加成功消息

    return render(request, 'notification.html')

# notification.html
{% if messages %}
    <ul class="messages">
        {% for message in messages %}
            <li{% if message.tags %} class="{{ message.tags }}"{% endif %}>{{ message }}</li>
        {% endfor %}
    </ul>
{% endif %}