枚举 Python 如何响应

Question

有什么方法可以在 Postman 中的 model.py 类型字符串中显示 status_choices 吗？我的模型.pyclass Transaction(models.Model):    user = models.ForeignKey(        settings.AUTH_USER_MODEL, on_delete=models.CASCADE)    address = models.TextField()    status_choices = (        (1, 'in processing'),        (2, 'in delivery'),        (3, 'done'),        (4, 'cancel'),    )    status = models.CharField(max_length=1, choices=status_choices)    total = models.BigIntegerField()    phone_number = models.CharField(max_length=10)    variants = models.ManyToManyField(Variant, through='TransactionVariant')    created_at = models.DateTimeField(auto_now_add=True, blank=True)    updated_at = models.DateTimeField(auto_now_add=True, blank=True)    deleted_at = models.DateTimeField(null=True, blank=True)    class Meta:        db_table = "transaction"序列化程序.pyclass TransactionSerializer(serializers.Serializer):    # status = StatusSerializer(many=False, read_only=True)    user_id = serializers.IntegerField()    transaction_id = serializers.IntegerField(source='id')    product = serializers.CharField(source='name')    status =  serializers.CharField()    address = serializers.CharField()    total = serializers.IntegerField()    phone_number = serializers.IntegerField()    created_at = serializers.DateTimeField(format='%H:%M %d %b %Y')我对邮递员的回应： "user_id": 5,    "transaction_id": 1,    "product": "product1",    "status": "3",----------> I want this field return what exactly in my model designer    "address": "trung nu vuong 3",    "total": 123,    "phone_number": 1234567890,    "created_at": "09:35 21 Jan 2019"我要回复回复{status: done}

Answer 1

您需要使用 SerializerMethodField

status = serializers.SerializerMethodField("get_status_as_char")

def get_status_as_char(self, obj):

   return  obj.get_status_display()