/// <summary>
/// 结构转换成XML
/// </summary>
/// <param name="playlist">播放列表</param>
/// <returns></returns>
public string ToXml(AMS_PlayListMd5Model playlist)
{
//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", playlist.PlayListNo);
root.SetAttribute("EffectDate", playlist.EffectDate.ToShortDateString());
root.SetAttribute("EndDate", playlist.EndDate.ToShortDateString());
root.SetAttribute("PlayElapsed", playlist.PlayElapsed.ToString());
//创建二级节点
XmlElement SecNode = xmlDoc.CreateElement("VideoItems");
root.AppendChild(SecNode);
//遍历媒体文件并添加到节点中
foreach (AMS_VideoMd5Item video in playlist.PlayVideoItems)
{
XmlElement ThirdNode = xmlDoc.CreateElement("Video");
ThirdNode.SetAttribute("name", video.Name);
ThirdNode.SetAttribute("playtime", video.PlayTime);
ThirdNode.SetAttribute("source", video.RelativeUrl);
ThirdNode.SetAttribute("md5value", video.md5value);
SecNode.AppendChild(ThirdNode);
//不重复的视频文件名称
int i;
for (i = 0; i < VideoFiles.Count; i++)
{
if (VideoFiles[i].Name == video.Name)
{
break;
}
}
if (i >= VideoFiles.Count)
{
VideoFiles.Add(video);
}
}
//在根节点中添加二级节点
root.AppendChild(SecNode);
//添加根节点
xmlDoc.AppendChild(root);
return(xmlDoc.OuterXml);
}
public void AddFile(ISingleFile file)
{
VideoFiles.Add(file);
Videos.Add(file.VideoFileName);
}