/// <summary>
/// 是否存在该记录
/// </summary>
public bool Exists(int channel_id, int article_id, int id)
{
return(dal.Exists(channel_id, article_id, id));
}
/// <summary>
/// 是否存在该记录
/// </summary>
public bool Exists(int article_id, int goods_id)
{
return(dal.Exists(article_id, goods_id));
}