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

时间 2021-01-02

标签 python Django TypeError 栏目 Python 繁體版

原文原文链接

在自学Django框架时，在models.py中创建两个数据库表。在第二个表中引用第一个表的id作为外键时，使用了如下语句。输入“python manage.py makemigrations"语句后报错，TypeError: __init__() missing 1 required positional argument: 'on_d elete' 根据报错结果进行调试，在关联语句后面加上

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1. 解决--TypeError: __init__() missing 1 required positional argument: 'on_delete'
2. model.ForeignKey() TypeError: __init__() missing 1 required positional argument: 'on_delete'
3. TypeError: __init__() missing 1 required positional argument: 'on_delete'
4. 解决TypeError: __init__() missing 1 required positional argument: 'on_delete'
5. Django报错 __init__() missing 1 required positional argument 'on_delete'
6. Django:TypeError: __init__() missing 1 required positional argument: 'on_delete'
7. Django报错：__init__() missing 1 required positional argument: 'on_delete'
8. TypeError: __init__() missing 1 required positional argument: 'get_respon se'
9. TypeError: __init__() missing 1 required positional argument: 'output_dim'报错
10. 解决Django: [TypeError: __init__() missing 1 required positional argument: 'on_delete']
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1. 解决--TypeError: __init__() missing 1 required positional argument: 'on_delete'
2. model.ForeignKey() TypeError: __init__() missing 1 required positional argument: 'on_delete'
3. TypeError: __init__() missing 1 required positional argument: 'on_delete'
4. 解决TypeError: __init__() missing 1 required positional argument: 'on_delete'
5. Django报错 __init__() missing 1 required positional argument 'on_delete'
6. Django:TypeError: __init__() missing 1 required positional argument: 'on_delete'
7. Django报错：__init__() missing 1 required positional argument: 'on_delete'
8. TypeError: __init__() missing 1 required positional argument: 'get_respon se'
9. TypeError: __init__() missing 1 required positional argument: 'output_dim'报错
10. 解决Django: [TypeError: __init__() missing 1 required positional argument: 'on_delete']

>>更多相关文章<<

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

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