1-创建应用payment
cd apps/
python ../../manage.py startapp payment
2-创建数据库模型类
from django.db import models from meiduo_mall.utils.models import BaseModel from orders.models import OrderInfo # Create your models here. class Payment(BaseModel): """ 支付信息 """ order = models.ForeignKey(OrderInfo, on_delete=models.CASCADE, verbose_name='订单') trade_id = models.CharField(max_length=100, unique=True, null=True, blank=True, verbose_name="支付编号") class Meta: db_table = 'tb_payment' verbose_name = '支付信息' verbose_name_plural = verbose_name
3-完成应用的安装(数据库迁移之前必须首先安装应用)
INSTALLED_APPS = [ ..... # 支付应用 'payment.apps.PaymentConfig', ]
4-数据库的迁移
python manage.py makemigrations
python manage.py migrate