解决Django: [TypeError: __init__() missing 1 required positional argument: 'on_delete']
2018-11-11 15:44
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试用python3.7 + Django2.1.3的时候, 在创建模型类关联外键时, 报如下错误:
Traceback (most recent call last): xxxxxxxxxxx TypeError: __init__() missing 1 required positional argument: 'on_delete'
解决办法:
# 关联外键时设置`on_delete=`参数即可
student_grade = models.ForeignKey('Grades', on_delete=models.CASCADE)
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