django models層外鍵報錯TypeError: __init__() missing 1 required positional argument: 'on_delete'
1.解決方法，添加參數：on_delete=models.CASCADEmodel 例如topic = models.ForeignKey(Topic,on_delete=models.CASCADE) 方法
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- 1. Django —— ORM定義外鍵報錯：TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 2. Django報錯 __init__() missing 1 required positional argument 'on_delete'
- 3. Django報錯：__init__() missing 1 required positional argument: 'on_delete'
- 4. 解決--TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 5. TypeError: __init__() missing 1 required positional argument: 'on_delete'
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- 9. django報錯TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 10. 【Python】django報錯：TypeError: __init__() missing 1 required positional argument: 'on_delete'解決辦法
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相關文章
- 1. Django —— ORM定義外鍵報錯：TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 2. Django報錯 __init__() missing 1 required positional argument 'on_delete'
- 3. Django報錯：__init__() missing 1 required positional argument: 'on_delete'
- 4. 解決--TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 5. TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 6. 解決TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 7. model.ForeignKey() TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 8. Django:TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 9. django報錯TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 10. 【Python】django報錯：TypeError: __init__() missing 1 required positional argument: 'on_delete'解決辦法