AssertionError: `HyperlinkedIdentityField` requires the request in the serializer context. Add `context={'request': request}` when instantiating the serializer.
来源：3-4 带URL的HyperlinkedModelSerializer
慕运维2186032
2021-03-08 19:46
AssertionError: `HyperlinkedIdentityField` requires the request in the serializer context. Add `context={'request': request}` when instantiating the serializer.
老师这个报错是什么情况
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- 慕妹4270370
- 2021-03-08 21:50:06
class CourseSerializer(serializers.ModelSerializer): teacher = serializers.ReadOnlyField(source='teacher.username') # 外键字段只读 class Meta: model = Course # exclude = ("id",) # 注意元组中只有1个元素时不能写成("id") # fields = ('name', 'introduction', 'teacher', 'price') fields = '__all__' depth = 2 # class CourseSerializer(serializers.HyperlinkedModelSerializer): # teacher = serializers.ReadOnlyField(source='teacher.username') # 外键字段只读 # class Meta: # model = Course # # url是默认值， 可在settings.py中设置URL_FIELD_NAME使全局生效 # fields = ('id','url', 'name', 'introduction', 'teacher', 'price')用上面的
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