如何在Django中设置唯一字段?
问题描述:
我有一个模型课:
class PysicalServer(models.Model):
serial_number = models.CharField(max_length=64) # I want to add the unique
name = models.CharField(max_length=16)
我知道使用primary_key可以设置唯一,但是serial_number不是我的id字段,我不能使用primary_key,还有其他可以设置字段唯一的属性吗?
I know use the primary_key can set unique, but the serial_number is not my id field, I can not use the primary_key, is there other property I can set field unique?
答
只需添加 unique = True
serial_number = models.CharField(max_length = 64,unique = True)
在此处查看更多信息 https://docs.djangoproject.com/en/1.11/ref/models/fields/#unique
just add unique=True
serial_number = models.CharField(max_length=64, unique=True)
see more information here https://docs.djangoproject.com/en/1.11/ref/models/fields/#unique