【Django】Admin重写保存按钮

def save_model(self, request, obj, form, change):
     super().save_model(request, obj, form, change)

　　　# 扩展保存按钮，obj是保存的model对象
     if obj.action == 1:
         # 通过
         user_obj = models.UserInfo.objects.get(username=obj.username)
         models.UserInfo.objects.filter(username=obj.username).update(money=user_obj.money + obj.money)
     else:
        pass