from django.db import models
# Create your models here.
class Grades(models.Model):
gname = models.CharField(max_length=20)
gdate = models.DateTimeField()
ggirlnum = models.IntegerField()
gboynum = models.IntegerField()
isDelete = models.BooleanField(default=False)
class Students(models.Model):
sname = models.CharField(max_length=20)
sgender = models.BooleanField(default=True)
sage = models.IntegerField()
scontend = models.CharField(max_length=20)
isDelete = models.BooleanField(default=False)
# 关联外键
sgrade = models.ForeignKey(Grades, on_delete=models.CASCADE)
Django2.2, python3.7, 执行数据库迁移时报错,