# annotate
class User(models.Model):
status = models.SmallIntegerField(verbose_name="status", default=1)
jifen = models.IntegerField(verbose_name="积分", default=0)
# 计算 jifen 总量
zongjife = User.objects.filter(status=3).annotate(zongjifen=Sum('jifen'))[0]['zongjifen']
标签：status,段值,zongjifen,verbose,models,jifen,annotate,Django From： https://www.cnblogs.com/chaoqi/p/16745768.html