python项目篇-对符合条件的某个字段进行求和,聚合函数annotate(),aggregate()函数
对符合条件的某个字段求和需求是,计算每日的收入和1、new_dayincome=request.POST.get("dayincome_time",None)#total_income=models.bathAccount.objects.filter(dayBath=new_dayincome).aggregate(nums=Sum('priceBath'))total_income=model