class UserInfo(model.Model):

  name = models.CharField()

  addr_choice = (
  (1, "北京"),
  (2, "上海"),
  )

  addr = models.CharField(choice=addr_choice)
obj = UserInfo.objects.create(name="tom", addr=1)

print(obj.get_addr_display()) # 当你设置了choice属性,Django就自动会生成一个方法get_字段_display()

结果为:"北京"