/// <summary>
/// 添加降序
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="orderBy"></param>
/// <returns></returns>
public JoinQuery OrderByDesc <TEntity>(Expression <Func <TEntity, dynamic> > orderBy)
{
DynamicVisitor visitor = new DynamicVisitor(WithAlias);
visitor.Translate(orderBy);
foreach (DynamicMember c in visitor.DynamicMembers)
{
OrderByFields.AppendFormat("{0} DESC,", c.Field);
}
return(this);
}
