django,模型里两个字段组成primary key?
from django.db import models class Person(models.Model) first_name = models.CharField(max_length=30) last_name = models.CharField(max_length=30)
怎么设置让first_name和last_name组成primary key?
from django.db import models class Person(models.Model) first_name = models.CharField(max_length=30) last_name = models.CharField(max_length=30) class Meta: unique_together = ("first_name", "last_name")