django报错TypeError: __init__() missing 1 required positional argument: 'on_delete' - 代码天地

django报错TypeError: init() missing 1 required positional argument: 'on_delete'

其他 2019-01-03 21:36:29 阅读次数: 0

在学习Django中，执行 python manage.py makemigrations learning_logs 时报的错

TypeError: __init__() missing 1 required positional argument: 'on_delete'

解决

在括号内加入属性on_delete=models.CASCADE即可

topic = models.ForeignKey(Topic, on_delete=models.CASCADE)

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转载自blog.csdn.net/weixin_42274149/article/details/84998380

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