public APIReturn _Del([FromForm] int[] ids)
{
int affrows = 0;
foreach (int id in ids)
{
affrows += Mtype.Delete(id);
}
if (affrows > 0)
{
return(APIReturn.成功.SetMessage($"删除成功，影响行数：{affrows}"));
}
return(APIReturn.失败);
}
