假设我有 2 个模型
Model Users:
Name:
Id:
和出席
Model Attendance:
user: foreign_key(User)
present: [present if login else nothing recorded]
Date:
users = User.objects.all()
todays_present = Attendance.objects.filter(date=today)
现在例如用户 = 10 todays_present = 7
我想找出哪三个用户不在todays_present 中。