Python 在django rest序列化程序中使用django mptt包时如何获取父节点名?
我只是用这个代码获取父id,但我需要父节点名。是否可以获取父节点名称Python 在django rest序列化程序中使用django mptt包时如何获取父节点名?,python,django,django-rest-framework,django-mptt,parent-node,Python,Django,Django Rest Framework,Django Mptt,Parent Node,我只是用这个代码获取父id,但我需要父节点名。是否可以获取父节点名称 class Department(MPTTModel,NameStatusModelMixin): desc = models.TextField(blank=True, null=True, default=None) slug = models.SlugField(max_length=100, blank=True) parent = TreeForeignKey('self', on_delet
class Department(MPTTModel,NameStatusModelMixin):
desc = models.TextField(blank=True, null=True, default=None)
slug = models.SlugField(max_length=100, blank=True)
parent = TreeForeignKey('self', on_delete=models.CASCADE, null=True, blank=True, related_name='children')
related_positions = models.ManyToManyField('Position', related_name='departments')
class MPTTMeta:
order_insertion_by = ['id']
def __str__(self):
return self.name
class DepartmentDetailSerializer(ModelSerializer):
class Meta:
model = Department
fields = ('id', 'name', 'status', 'slug', 'desc', 'parent')
最简单的方法是:
class ParentSerializer(ModelSerializer):
class Meta:
model = Department
fields = ('name')
class DepartmentDetailSerializer(ModelSerializer):
parent = ParentSerializer()
class Meta:
model = Department
fields = ('id', 'name', 'status', 'slug', 'desc', 'parent')
您还可以根据您的具体需要/您希望最终数据的外观来考虑使用a或a