我想学习如何通过整个qazxsw poi获取多对多的中间表序列化数据,而不仅仅是id。
model
返回:
#this is my model class
class ProductMaterial(models.Model):
product = models.ForeignKey(Product, on_delete=models.CASCADE)
material = models.ForeignKey(Material, on_delete=models.CASCADE)
material_rate = models.FloatField(blank=True, null=True)
material_price = models.FloatField(blank=True, null=True)
#serializer
class ProductMaterialSerializer(serializers.ModelSerializer):
class Meta:
model = ProductMaterial
fields = '__all__'
{
"id": 1,
"material_rate": 0.3,
"material_price": 6.7,
"product": 186,
"material": 7
},
{
"id": 2,
"material_rate": 0.7,
"material_price": 1.7,
"product": 186,
"material": 8
},
和product
模型字段。material
我已经实现了这个解决方案 - > {
"id": 1,
"product": {
"name" : "abcd",
"date" : "01.01.2018"
},
"material": [
{
"id" : 7,
"material_rate" : 0.3,
"material_price" : 6.7,
},
{
"id" : 8,
"material_rate" : 0.7,
"material_price" : 1.7,
},
]
},
并帮助了我。
来自doc,
depth选项应设置为一个整数值,该值指示在恢复为平面表示之前应该遍历的关系深度。
因此,在Meta类中使用https://stackoverflow.com/a/45834689/5491260
depth=1