models.Model):
# id = models.IntegerField('id主键', primary_key=True, auto_created=True)
# user_id = models.ForeignKey...(Visitors,on_delete=models.CASCADE,primary_key=True)
user = models.ForeignKey(Visitors,on_delete=models.CASCADE...models.DateTimeField('前一天签到的时间',default=None)
class Meta():
# credits,为数据库中的表名
db_table = 'credits'
注意:
注释中...,# user_id = models.ForeignKey(Visitors,on_delete=models.CASCADE,primary_key=True),是我最开始写的user_id类属性,...解决方案:把user_id 改成user即可,user = models.ForeignKey(Visitors,on_delete=models.CASCADE,primary_key=True),正确如下图