版权归作者所有,任何形式转载请联系作者.作者:petanne(来自豆瓣)来源:https://www.douban.com/note/301166150/ 1.多表连接查询:感觉django太NX了. class A(models.Model): name = models.CharField(u'名称') class B(models.Model): aa = models.ForeignKey(A)B.objects.filter(aa__name__contains='se
Python自动化之django orm之Q对象 什么是Q对象? Encapsulates filters as objects that can then be combined logically (using& and |) 关联查询 Poll.objects.get( Q(pub_date=date(2005, 5, 2)) | Q(pub_date=date(2005, 5, 6)), question__startswith='Who') AND AND def ceshi(requ