public IActionResult Delete(int id)
{
var model = _flowRepository.GetFlow(id);
if (model == null)
{
return(NotFound());
}
_flowRepository.DeleteFlow(model);
if (!_flowRepository.save())
{
return(StatusCode(500, "删除出错！"));
}
_mailService.send("flow delete", $"id为{id}的产品被干掉了！");
return(Ok());
}