django 2.X 关联 外键时会报错:TypeError: __init__() missing 1 required positional argument: ‘on_delete’

django 2.X  关联  外键时会报错:TypeError: __init__() missing 1 required positional argument: ‘on_delete’

 #python3 makemigrations



contact = models.ForeignKey(Contact, on_delete=models.CASCADE)



8 thoughts on “django 2.X 关联 外键时会报错:TypeError: __init__() missing 1 required positional argument: ‘on_delete’

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