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草稿 orm manytomany操作-hqtmit的博客-51CTO博客
source link: http://blog.51cto.com/13606158/2072769
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classClasses(models.Model):"""班级表"""title=models.CharField(max_length=32)teachers=models.ManyToManyField("Teacher")生成表c1=Classes.objects.filter(id=1).first()#获取1个对象c1.teachers.add(1)#添加1个teacher对象，tea
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