/// <summary>
/// 转换对象
/// </summary>
/// <typeparam name="TSource"></typeparam>
/// <typeparam name="TDesc"></typeparam>
/// <param name="source"></param>
/// <returns></returns>
public static IPagedList <TDesc> Map <TSource, TDesc>(this IPagedList <TSource> source)
{
return(source.Map(p => p.Map <TSource, TDesc>()));
}