/// <summary>
/// 转换成Xml
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public static string ToXml(PlaylistInfo 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());
XmlElement SecNode = xmlDoc.CreateElement("VideoItem");
foreach (PlaylistItemInfo videoItem in model.MediaPlayList)
{
XmlElement ThrNode = xmlDoc.CreateElement("Video");
ThrNode.SetAttribute("MediaFileName", videoItem.MediaFileName);
ThrNode.SetAttribute("PlayTime", videoItem.PlayTime.ToString());
ThrNode.SetAttribute("MD5Key", videoItem.MD5Key);
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 PlaylistInfo ToModel(string xml)
{
if (string.IsNullOrEmpty(xml))
{
return(null);
}
XmlDocument xmlDoc = new XmlDocument();
PlaylistInfo model = new PlaylistInfo();
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;
model.EffectDate = DateTime.Parse(node.Attributes["EffectDate"].Value);
model.EndDate = DateTime.Parse(node.Attributes["EndDate"].Value);
model.Type = (Enum.AdType)System.Enum.Parse(typeof(Enum.AdType), node.Attributes["Type"].Value);
XmlNodeList nodes = xmlDoc.SelectNodes("//Root/VideoItem/Video");
foreach (XmlNode videotemNode in nodes)
{
PlaylistItemInfo videoItem = new PlaylistItemInfo();
videoItem.MediaFileName = videotemNode.Attributes["MediaFileName"].Value;
videoItem.PlayTime = int.Parse(videotemNode.Attributes["PlayTime"].Value);
videoItem.MD5Key = videotemNode.Attributes["MD5Key"].Value;
model.MediaPlayList.Add(videoItem);
}
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;
}
}