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django 软删除 默认查询为True 传任何非bool值查询出所有的 发现了一个Bug：外键的外键不会进行is_valid验证{dotted startColor="#ff6c6c" endColor="#1989fa"/}class ValidQueryset(models.QuerySet): def filter(self, *args, **kwargs): is_valid = kwargs.pop('is_valid', True) if isinstance(is_valid, bool): kwargs['is_valid'] = is_valid return super().filter(*args, **kwargs) class BaseManage(models.Manager): _queryset_class = ValidQueryset class BaseModel(models.Model): is_valid = models.BooleanField(default=True, verbose_name='数据有效/无效') objects = BaseManage() class Meta: abstract = True
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django drf serializers 序列化类树形递归的实现 序列化外键字段列表树 父序列化器：class ReadDeptSerializer(serializers.ModelSerializer): id = serializers.IntergerField() children = ChildDeptSerializer(many=True) class Meta: model = Dept exclude = ['company','parent'] depth = 1子序列化器class ChildDeptSerializer(serializers.ModelSerializer): children = serializers.SerializerMethodField() class Meta: model = Dept depth = 1 exclude = ['company'] def get_children(self,obj): if obj.children: return childDeptSerializer(obj.children,many=True).data return None
