/// <summary> /// 初始化排序项 /// </summary> /// <param name="order">排序列</param> /// <param name="desc">是否倒排</param> /// <param name="type">实体类型</param> /// <param name="raw">使用原始值</param> /// <param name="prefix">前缀</param> public OrderByItem(string order, bool desc = false, Type type = null, bool raw = false, string prefix = null) { Order = order.SafeString(); Desc = desc; Type = type; Raw = raw; if (raw) { return; } Order = Order.RemoveEnd("asc"); if (Order.ToLower().EndsWith("desc")) { Desc = true; Order = Order.RemoveEnd("desc"); } var item = new NameItem(Order); Column = item.Name; Prefix = string.IsNullOrWhiteSpace(item.Prefix) ? prefix : item.Prefix; }