Django —— ORM定义外键报错：TypeError: init() missing 1 required positional argument: 'on_delete'

时间 2019-12-06

标签 django orm 定义报错 typeerror init missing required positional argument delete 栏目 Python 繁體版

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在Django项目中，使用ORM在models.py中新建数据表定义外键的时候语句以下：python publisher_id = models.ForeignKey(to="Publisher") 报错信息为：ui TypeError: __init__() missing 1 required positional argument: 'on_delete' 解决方案：在ForeignKey

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1. django models层外键报错TypeError: __init__() missing 1 required positional argument: 'on_delete'
2. Django报错 __init__() missing 1 required positional argument 'on_delete'
3. Django报错：__init__() missing 1 required positional argument: 'on_delete'
4. 解决--TypeError: __init__() missing 1 required positional argument: 'on_delete'
5. TypeError: __init__() missing 1 required positional argument: 'on_delete'
6. 解决TypeError: __init__() missing 1 required positional argument: 'on_delete'
7. model.ForeignKey() TypeError: __init__() missing 1 required positional argument: 'on_delete'
8. django报错TypeError: __init__() missing 1 required positional argument: 'on_delete'
9. 【Python】django报错：TypeError: __init__() missing 1 required positional argument: 'on_delete'解决办法
10. django报错:TypeError: __init__() missing 1 required positional argument: 'on_delete'
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1. django models层外键报错TypeError: __init__() missing 1 required positional argument: 'on_delete'
2. Django报错 __init__() missing 1 required positional argument 'on_delete'
3. Django报错：__init__() missing 1 required positional argument: 'on_delete'
4. 解决--TypeError: __init__() missing 1 required positional argument: 'on_delete'
5. TypeError: __init__() missing 1 required positional argument: 'on_delete'
6. 解决TypeError: __init__() missing 1 required positional argument: 'on_delete'
7. model.ForeignKey() TypeError: __init__() missing 1 required positional argument: 'on_delete'
8. django报错TypeError: __init__() missing 1 required positional argument: 'on_delete'
9. 【Python】django报错：TypeError: __init__() missing 1 required positional argument: 'on_delete'解决办法
10. django报错:TypeError: __init__() missing 1 required positional argument: 'on_delete'

>>更多相关文章<<

Django —— ORM定义外键报错：TypeError: __init__() missing 1 required positional argument: 'on_delete'

Django —— ORM定义外键报错：TypeError: init() missing 1 required positional argument: 'on_delete'