django rest framework serializer中获取request中user方法

views.py

 

serializer = self.get_serializer(data=request.data, context={'request': request})
serializer.is_valid(raise_exception=True)

serializers.py

from_name = serializers.SerializerMethodField()  # 用户名
def get_from_name(self, obj):
    
    return self.context['request'].user.name

class Meta:
    model = Test
    fields = (
        'id',
        'from_name',)