/// <summary>
/// 查询数据列表并排序
/// </summary>
/// <param name="whereLandba">查询条件</param>
/// <param name="isAsc">是否升序</param>
/// <param name="orderLandbas">多个排序条件</param>
/// <returns>数据列表</returns>
public IQueryable <T> GetListOrderBys <TKey>(Expression <Func <T, bool> > whereLandba, bool isAsc, params Expression <Func <T, TKey> >[] orderLandbas)
{
return(dal.GetListOrderBys(whereLandba, isAsc, orderLandbas));
}