//
// 摘要:
// /// 内容比较函数 ///
//
// 参数:
// entity:
// 数据
//
// orderModels:
// The order models.
public int CompareTo(object entity, List <LinqOrderModel> orderModels)
{
foreach (LinqOrderModel orderModel in orderModels)
{
int num = CompareTo(entity, orderModel.LowerName);
if (num != 0)
{
LinqOrderType order = orderModel.Order;
if (order == LinqOrderType.Asc)
{
return(-num);
}
return(num);
}
}
return(0);
}
/// <summary>
/// 数据排序
/// </summary>
/// <typeparam name="TSource"></typeparam>
/// <param name="source"></param>
/// <param name="field"></param>
/// <param name="order"></param>
/// <returns></returns>
public static IQueryable <TSource> OrderByField <TSource>(this IQueryable <TSource> source, string field, LinqOrderType order)
{
if (field.IsNotNull())
{
switch (order)
{
case LinqOrderType.Asc:
return(source.OrderBy(d => d.GetType().GetProperty(field).GetValue(d, null)));
case LinqOrderType.Desc:
return(source.OrderByDescending(d => d.GetType().GetProperty(field).GetValue(d, null)));
}
}
return(source);
}
