查询相关API
from django.db import models # Create your models here. class Book(models.Model): title = models.CharField(max_length=32) publishDate = models.DateField() price = models.DecimalField(max_digits=5, decimal_places=2) #创建一对多的关联字段 publish = models.ForeignKey("Publish") #创建多对多的关系 authors = models.ManyToManyField("Author") def __str__(self):return self.title class Publish(models.Model): nid = models.AutoField(primary_key=True) name = models.CharField(max_length=32) email = models.EmailField() class Author(models.Model): name = models.CharField(max_length=32) age = models.IntegerField() class AuthorDetail(models.Model): addr = models.CharField(max_length=32) email = models.EmailField() author = models.OneToOneField("Author")
数据准备
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