Django在根據models生成數據庫表時報 init() missing 1 required positional argument: 'on_delete'

時間 2019-12-06

標籤 django 根據 models 生成數據庫時報 init missing required positional argument delete 欄目 Python 简体版

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先展現錯誤代碼，code：html 1 from django.db import models 2 3 # Create your models here. 4 5 6 class BookInfo(models.Model): 7 """定義書籍信息模型類""" 8 9 # 設計name屬性 10 name = models.CharField(

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1. Django在根據models生成數據庫表時報 __init__() missing 1 required positional argument: 'on_delete'
2. Django在根據models生成數據庫表時報 __init__() missing 1 required positional argument: 'on_delete'...
3. Django在根據models生成數據庫表時（migrate）報錯：__init__() missing 1 required positional argument: 'on_delete'
4. Django報錯 __init__() missing 1 required positional argument 'on_delete'
5. Django報錯：__init__() missing 1 required positional argument: 'on_delete'
6. TypeError: __init__() missing 1 required positional argument: 'on_delete'
7. Django:TypeError: __init__() missing 1 required positional argument: 'on_delete'
8. 解決TypeError: __init__() missing 1 required positional argument: 'on_delete'
9. 解決--TypeError: __init__() missing 1 required positional argument: 'on_delete'
10. Django在使用models生成數據庫表時報錯： __init__() missing 1 required positional argument: 'on_delete'
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1. Django在根據models生成數據庫表時報 __init__() missing 1 required positional argument: 'on_delete'
2. Django在根據models生成數據庫表時報 __init__() missing 1 required positional argument: 'on_delete'...
3. Django在根據models生成數據庫表時（migrate）報錯：__init__() missing 1 required positional argument: 'on_delete'
4. Django報錯 __init__() missing 1 required positional argument 'on_delete'
5. Django報錯：__init__() missing 1 required positional argument: 'on_delete'
6. TypeError: __init__() missing 1 required positional argument: 'on_delete'
7. Django:TypeError: __init__() missing 1 required positional argument: 'on_delete'
8. 解決TypeError: __init__() missing 1 required positional argument: 'on_delete'
9. 解決--TypeError: __init__() missing 1 required positional argument: 'on_delete'
10. Django在使用models生成數據庫表時報錯： __init__() missing 1 required positional argument: 'on_delete'

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Django在根據models生成數據庫表時報 __init__() missing 1 required positional argument: 'on_delete'

Django在根據models生成數據庫表時報 init() missing 1 required positional argument: 'on_delete'