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"
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