/// <summary>
/// 获取数据模型的软删除字段名称
/// <para>如果该模型不是软删除模型,则返回null</para>
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public static string GetSoftDeleteFieldName(this IDataModel model)
{
return(DataModelHelper.GetExtendProperty_SoftDeleteFieldName(model.InnerExtend));
}