Django:TypeError: __init__() missing 1 required positional argument: 'on_delete'
問題： TypeError: init() missing 1 required positional argument: ‘on_delete’web 緣由： 在Django 2.0之後的版本中，須要在引用外鍵時在括號內加入on_delete=models，以此產生聯級做用，避免兩個表內數據因發生變化而不一樣步致使異常。svg hbook=models.ForeignKey(BookInfo,
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相關文章
- 1. 解決--TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 2. TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 3. Django報錯 __init__() missing 1 required positional argument 'on_delete'
- 4. model.ForeignKey() TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 5. Django報錯：__init__() missing 1 required positional argument: 'on_delete'
- 6. 解決TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 7. 記錄django的錯誤之：__init__() missing 1 required positional argument: 'on_delete'
- 8. 解決Django: [TypeError: __init__() missing 1 required positional argument: 'on_delete']
- 9. django報錯TypeError: __init__() missing 1 required positional argument: 'on_delete'
- 10. 執行python manage.py makemigrations時報錯：__init__() missing 1 required positional argument: 'on_delete'