Foreign Key Django Model

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情书的邮戳
情书的邮戳 2020-12-07 10:36

I\'m trying to create 3 models ; Person, Address and Anniversy. The plan is to have one address and one anniversy for each person. But

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  •  一向
    一向 (楼主)
    2020-12-07 11:13

    I would advise, it is slightly better practise to use string model references for ForeignKey relationships if utilising an app based approach to seperation of logical concerns .

    So, expanding on Martijn Pieters' answer:

    class Person(models.Model):
        name = models.CharField(max_length=50)
        birthday = models.DateField()
        anniversary = models.ForeignKey(
            'app_label.Anniversary', on_delete=models.CASCADE)
        address = models.ForeignKey(
            'app_label.Address', on_delete=models.CASCADE)
    
    class Address(models.Model):
        line1 = models.CharField(max_length=150)
        line2 = models.CharField(max_length=150)
        postalcode = models.CharField(max_length=10)
        city = models.CharField(max_length=150)
        country = models.CharField(max_length=150)
    
    class Anniversary(models.Model):
        date = models.DateField()
    

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