public static string[] GetFileNames(string path, string format, TxtDateType type)
{
var res = new List <string>();
try
{
string[] files = Directory.GetFiles(path, format, SearchOption.TopDirectoryOnly);
//查找根目录下的所有保存的振动数据"*.usb"
foreach (string fileName in files)
{
try
{
File.Open(fileName, FileMode.Open, FileAccess.ReadWrite).Close(); //文件正在被写入，无法提取
res.Add(fileName);
}
catch
{
}
}
return(res.ToArray());
}
catch
{
return(new string[] {});
}
}
///// <summary>
///// 根据文件名读取参数
///// </summary>
///// <param name="filename"></param>
///// <returns></returns>
//public FileParam ReadParamFromFileName(string filename)
//{
// string file = Path.Combine(FilePath, filename + @".sdb");
// return ReadParamS(file);
//}
/// <summary>
/// 获取文件列表
/// </summary>
/// <param name="path"></param>
/// <param name="format"></param>
/// <param name="time"></param>
/// <param name="type"></param>
/// <returns></returns>
private string[][] GetFileNames(string path, string format, TxtDateType type)
{
var paras = new List <string>();
var res = new List <string>();
//根据时间从小到大排序
var tempList = new SortedList <DateTime, List <string> >();
string[] files = Directory.GetFiles(path, format, SearchOption.TopDirectoryOnly);
foreach (string file in files)
{
if (file.EndsWith("odb") || file.EndsWith("sdb"))
{
if (!this._isExtractTimeSamplingData)
{
if (!file.Contains("_TRI"))
{
continue;
}
}
try
{
DateTime recordTime = GetFileRecordTime(file, TxtDateType.Vibration);
//if (DateTime.Compare(recordTime, time) > 0)
//{
File.Open(file, FileMode.Open, FileAccess.ReadWrite).Close();
if (!tempList.ContainsKey(recordTime))
{
tempList.Add(recordTime, new List <string>());
}
tempList[recordTime].Add(file);
// }
}
catch {
}
}
}
foreach (DateTime key in tempList.Keys)
{
foreach (string file in tempList[key])
{
if (file.EndsWith("odb"))
{
res.Add(file);
}
else if (file.EndsWith("sdb"))
{
paras.Add(file);
}
}
}
return(new[] { res.ToArray(), paras.ToArray() });
}
/// <summary>
/// 获取文件的最后写入时间
/// </summary>
/// <param name="filename"></param>
/// <param name="type"></param>
/// <returns></returns>
private DateTime GetFileRecordTime(string filename, TxtDateType type)
{
var fi = new FileInfo(filename);
// DateTime readtime;
// ValueHelper.String2Time(fi.LastWriteTime.ToString("yyyyMMddHHmmss.fff"), out readtime);
return(fi.LastWriteTime);
//string[] timerstrs = filename.Split(new[] { '_' }, StringSplitOptions.RemoveEmptyEntries);
//if (timerstrs.Length >= 3)
//{
// DateTime time;
// if (ValueHelper.String2Time(timerstrs[2], out time))
// {
// return time;
// }
// throw new Exception("时间格式错误！");
//}
//throw new Exception("时间格式错误！");
}
public static DateTime GetFileRecordTime(string filepath, TxtDateType type)
{
DateTime time;
switch (type)
{
case TxtDateType.Vibration:
return(DateTime.ParseExact(
Path.GetFileNameWithoutExtension(filepath).Remove(0, 4),
"yyyyMMddHHmmss",
null));
//case TxtDateType.FiberGrating:
// return DateTime.ParseExact(
// Path.GetFileNameWithoutExtension(filepath).Remove(0, 4),
// "yyyyMMddHHmmss",
// null);
default:
return(new DateTime(2013, 1, 1));
break;
}
}