4
class Subscribers(User):
date = models.DateField()
user = models.OneToOneField(User)
class Tour(models.Model):
owner_id = models.ForeignKey(User)
name = models.CharField(max_length=50)
location = models.ManyToManyField(Location)
subscribers = models.ManyToManyField(Subscribers, related_name="sub")
我试图做到这一点在另一个文件:类型错误:添加()*后的参数必须是一个序列,而不是认购
user1 = User.objects.create_user('John','[email protected]','j1')
user2= User.objects.create_user('Mike','[email protected]','m1')
user3= User.objects.create_user('kokoko','[email protected]','m1')
user4= User.objects.create_user('lalal','[email protected]','m1')
sub = Subscribers()
tour = Tour()
tour.id = "1"
tour.name = "hello"
tour.owner_id = user1
tour.subscribers = sub
但我有此错误: 类型错误:加() *后的参数必须是一个序列,而不是认购
我都试过,但我得到ValueError异常:无法添加“<认购人:>”:实例在数据库“默认”,值是在数据库“无” – user1855165
这是因为你正在试图添加订阅者之前保存巡回演唱会,我以前有这样的问题:) – Gerard
谢谢我同意,它看起来更好,并解决序列的问题!!但先保存并不能解决一般问题! – user1855165