一、数据操作初始化
from django.db import models# Create your models here.
class Place(models.Model):"""位置信息"""name = models.CharField(max_length=32,verbose_name='地名')address = models.CharField(max_length=64,null=True,verbose_name='地址')class Meta:db_table='t_place'class Restaurant(models.Model):"""餐厅"""name = models.CharField(max_length=32,verbose_name='餐厅名')place = models.OneToOneField(Place,on_delete=models.CASCADE,verbose_name='所在位置',null=True)class Meta:db_table='t_restaurant'class Waiter(models.Mod