public NewstagInfo Save()
{
if (this.Id != null)
{
Newstag.Update(this);
return(this);
}
this.Create_time = DateTime.Now;
return(Newstag.Insert(this));
}
public APIReturn _Edit([FromQuery] uint Id, [FromForm] string Name, [FromForm] uint?Total_news, [FromForm] uint[] mn_News)
{
NewstagInfo item = Newstag.GetItem(Id);
if (item == null)
{
return(APIReturn.记录不存在_或者没有权限);
}
item.Create_time = DateTime.Now;
item.Name = Name;
item.Total_news = Total_news;
int affrows = Newstag.Update(item);
//关联 News
if (mn_News.Length == 0)
{
item.UnflagNewsALL();
}
else
{
List <uint> mn_News_list = mn_News.ToList();
foreach (var Obj_news in item.Obj_newss)
{
int idx = mn_News_list.FindIndex(a => a == Obj_news.Id);
if (idx == -1)
{
item.UnflagNews(Obj_news.Id);
}
else
{
mn_News_list.RemoveAt(idx);
}
}
mn_News_list.ForEach(a => item.FlagNews(a));
}
if (affrows > 0)
{
return(APIReturn.成功.SetMessage($"更新成功，影响行数：{affrows}"));
}
return(APIReturn.失败);
}