/// <summary>
        /// 转换成Xml
        /// </summary>
        /// <param name="model"></param>
        /// <returns></returns>
        public static string ToXml(PrintReceiptInfo model)
        {
            //TODO:转换成xml结构的算法
            //创建一个xml对象
            XmlDocument xmlDoc = new XmlDocument();
            //创建开头
            XmlDeclaration dec = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", null);

            xmlDoc.AppendChild(dec);
            //创建根节点
            XmlElement root = xmlDoc.CreateElement("Root");

            root.SetAttribute("Num", model.Num);
            root.SetAttribute("Name", model.Name);
            root.SetAttribute("EffectDate", model.EffectDate.ToShortDateString());
            root.SetAttribute("EndDate", model.EndDate.ToShortDateString());
            root.SetAttribute("Type", model.Type.ToString());
            //创建二级节点
            XmlElement SecNode = xmlDoc.CreateElement("PrintTemplate");

            foreach (PrintItem pItem in model.TemplateItem)
            {
                XmlElement ThrNode;
                if (pItem.IsImage)
                {
                    ThrNode           = xmlDoc.CreateElement("Pic");
                    ThrNode.InnerText = pItem.ImagePath;
                    ThrNode.SetAttribute("height", pItem.ImageHeight.ToString());
                    ThrNode.SetAttribute("width", pItem.ImageWidth.ToString());
                }
                else
                {
                    ThrNode           = xmlDoc.CreateElement("Content");
                    ThrNode.InnerText = pItem.TextInfo;
                    ThrNode.SetAttribute("font", "宋体");
                    ThrNode.SetAttribute("bold", pItem.IsBold ? "Y" : "N");
                    ThrNode.SetAttribute("italic", pItem.IsItalic ? "Y" : "N");
                    ThrNode.SetAttribute("size", pItem.FontSize.ToString());
                }
                SecNode.AppendChild(ThrNode);
            }
            //在根节点中添加二级节点
            root.AppendChild(SecNode);

            //需要下载的文件
            XmlElement FileNode = xmlDoc.CreateElement("ImageFilePath");

            foreach (string file in model.ImageFilePath)
            {
                XmlElement ThrNode = xmlDoc.CreateElement("FilePath");
                ThrNode.SetAttribute("Url", file);
                FileNode.AppendChild(ThrNode);
            }
            root.AppendChild(FileNode);

            //添加根节点
            xmlDoc.AppendChild(root);
            return(xmlDoc.OuterXml);
        }
        /// <summary>
        /// 转换成Moldel
        /// </summary>
        /// <param name="xml"></param>
        /// <returns></returns>
        public static PrintReceiptInfo ToModel(string xml)
        {
            if (string.IsNullOrEmpty(xml))
            {
                return(null);
            }
            XmlDocument      xmlDoc = new XmlDocument();
            PrintReceiptInfo model  = new PrintReceiptInfo();

            try
            {
                xmlDoc.LoadXml(xml);
                //查找根节点
                XmlNode node = xmlDoc.SelectSingleNode("//Root");
                model.Num        = node.Attributes["Num"].Value;  //列表编号
                model.Name       = node.Attributes["Name"].Value; //列表编号
                model.EffectDate = DateTime.Parse(node.Attributes["EffectDate"].Value);
                model.EndDate    = DateTime.Parse(node.Attributes["EndDate"].Value);
                model.Type       = (SeatManage.EnumType.AdType)System.Enum.Parse(typeof(SeatManage.EnumType.AdType), node.Attributes["Type"].Value);
                node             = xmlDoc.SelectSingleNode("//Root/PrintTemplate");
                foreach (XmlNode pItem in node.ChildNodes)
                {
                    switch (pItem.LocalName)
                    {
                    case "Content":
                    {
                        PrintItem item = new PrintItem();
                        item.TextInfo = pItem.InnerText;
                        item.IsBold   = pItem.Attributes["bold"].Value == "Y" ? true : false;
                        item.IsItalic = pItem.Attributes["italic"].Value == "Y" ? true : false;
                        item.FontSize = int.Parse(pItem.Attributes["size"].Value);
                        model.TemplateItem.Add(item);
                    }
                    break;

                    case "Pic":
                    {
                        PrintItem item = new PrintItem();
                        item.IsImage     = true;
                        item.ImagePath   = pItem.InnerText;
                        item.ImageHeight = double.Parse(pItem.Attributes["height"].Value);
                        item.ImageWidth  = double.Parse(pItem.Attributes["width"].Value);
                        model.TemplateItem.Add(item);
                    }
                    break;

                    default:
                        break;
                    }
                }
                XmlNodeList nodes = xmlDoc.SelectNodes("//Root/ImageFilePath/FilePath");
                foreach (XmlNode ItemNode in nodes)
                {
                    model.ImageFilePath.Add(ItemNode.Attributes["Url"].Value);
                }
                return(model);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }