摘要:
from django.db import models # Create your models here. class Book(models.Model): title=models.CharField(max_length=32,unique=True) price=models.Decim 阅读全文
摘要:
from django.db import models # Create your models here. class Book(models.Model): title=models.CharField(max_length=32,unique=True) price=models.Decim 阅读全文
摘要:
models之对于表的创建有以下几种: 一对一:ForeignKey("Author",unique=True), OneToOneField("Author") 一对多:ForeignKey(to="Publish",to_field="id",on_delete.CASCADE) 多对多:Man 阅读全文
|