// 仅根据 path 和 ContentFile 读取文件
public async Task <bool> LoadFromFile()
{
var Folder = await StorageFolder.GetFolderFromPathAsync(Path.GetDirectoryName(path));
if (Folder == null)
{
return(false);
}
var File = await Folder.GetFileAsync(Path.GetFileName(path));
if (File == null)
{
return(false);
}
var _ContentFile = await Folder.GetFileAsync(ContentFile);
if (_ContentFile == null)
{
return(false);
}
TimeStamp.Clear();
string FileContent;
using (Stream file = await File.OpenStreamForReadAsync())
{
using (StreamReader read = new StreamReader(file))
{
FileContent = read.ReadToEnd();
}
}
using (StringReader strRdr = new StringReader(FileContent))
{
//通过XmlReader.Create静态方法创建XmlReader实例
using (XmlReader rdr = XmlReader.Create(strRdr))
{
//循环Read方法直到文档结束
while (rdr.Read())
{
//如果是开始节点
if (rdr.NodeType == XmlNodeType.Element)
{
//通过rdr.Name得到节点名
string elementName = rdr.Name;
if (elementName == "Url")
{
//读取到节点内文本内容
if (rdr.Read())
{
//通过rdr.Value获得文本内容
Url = rdr.Value;
}
}
if (elementName == "ContentFile")
{
if (rdr.Read())
{
if (string.Compare(ContentFile, rdr.Value) != 0)
{
Debug.WriteLine("读取的内容和保存的内容不符合");
}
}
}
if (elementName == "TimeStampItem")
{
if (rdr.Read())
{
TimeStamp.Add(DateTime.ParseExact(rdr.Value, "yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture));
}
}
}
}
}
}
using (Stream file = await _ContentFile.OpenStreamForReadAsync())
{
using (StreamReader read = new StreamReader(file))
{
Content = read.ReadToEnd();
}
}
return(true);
}