/// <summary>
/// 找到路徑最後的元件，不管是資料夾或者檔名
/// 例如:
/// C:\\....\\DirectoryA
/// C:\\....\\DirectoryA\\ ==>自動除去最後的斜線
/// C:\\....\\DirectoryA\\FileB.txt
/// 亦可
/// </summary>
/// <param name="strFullPath">路徑字串</param>
/// <returns>最後元件字串</returns>
public static string findPathLastItem(string strFullPath)
{
int nLastSlash = strFullPath.LastIndexOf("\\");
int nStringLength = strFullPath.Length;
if (nStringLength <= 0)
{
return("");
}
///若路徑最後為"\\"則自動去除
if (strFullPath.Length == nLastSlash + 1)
{
string strDummy = strFullPath;
strDummy = strDummy.Remove(nLastSlash, 1);
nLastSlash = strDummy.LastIndexOf("\\");
nStringLength = strDummy.Length;
}
try
{
string strlastItem = strFullPath.Substring(nLastSlash + 1, nStringLength - 1 - nLastSlash);
return(strlastItem);
}
catch (Exception e)
{
CUtil.jlogEx("[Uitl-Err][{0}]", e.ToString());
return("");
}
}
public static bool checkDirectory(string strFolderPath, bool blCreateDirectory = true)
{
if (!Directory.Exists(strFolderPath))
{
///沒有要建立資料夾
if (blCreateDirectory == false)
{
return(false);
}
try
{
Directory.CreateDirectory(strFolderPath);
if (!Directory.Exists(strFolderPath))
{
return(false);
}
else
{
return(true);
}
}
catch (Exception ex)
{
CUtil.jlogEx("[checkDirectory][Err][{0}]", ex.ToString());
return(false);
}
}
else
{
///有資料夾
return(true);
}
}
public static bool FolderMove(string strPathSource, string strPathTarget)
{
try
{
Directory.Move(strPathSource, strPathTarget);
return(true);
}
catch (IOException eMsg)
{
CUtil.jlogEx("搬移檔案錯誤:\n{0}", eMsg.ToString());
return(false);
}
}
/// <summary>
/// 清除程式占用的記憶體
/// </summary>
public static void clearMemory()
{
System.Diagnostics.Process loProcess = System.Diagnostics.Process.GetCurrentProcess();
try
{
loProcess.MaxWorkingSet = (IntPtr)((int)loProcess.MaxWorkingSet - 1); //1,409,024
loProcess.MinWorkingSet = (IntPtr)((int)loProcess.MinWorkingSet - 1); // 200,704
CUtil.jlogEx("[clearMemory]MaxWorkingSet={0} MinWorkingSet={1}", loProcess.MaxWorkingSet, loProcess.MinWorkingSet);
}
catch (System.Exception)
{
loProcess.MaxWorkingSet = (IntPtr)((int)1024 * 1024);
loProcess.MinWorkingSet = (IntPtr)((int)1024 * 8);
CUtil.jlogEx("[clearMemory][●catch●]MaxWorkingSet={0} MinWorkingSet={1}", loProcess.MaxWorkingSet, loProcess.MinWorkingSet);
}
}
/// <summary>
/// 指定程式能使用最多記憶體(Byte)，同時亦清除記憶體
/// </summary>
/// <param name="nMaxMemByte"></param>
public static void setMaxMemory(int nMaxMemByte)
{
System.Diagnostics.Process loProcess = System.Diagnostics.Process.GetCurrentProcess();
try
{
loProcess.MinWorkingSet = (IntPtr)(nMaxMemByte / 10);
loProcess.MaxWorkingSet = (IntPtr)(nMaxMemByte);
CUtil.jlogEx("[setMaxMemory]MaxWorkingSet={0} MinWorkingSet={1}", loProcess.MaxWorkingSet, loProcess.MinWorkingSet);
}
catch (System.Exception e)
{
//loProcess.MaxWorkingSet = (IntPtr)((int)1024 * 1024);
//loProcess.MinWorkingSet = (IntPtr)((int)1024 * 8);
//loProcess.MaxWorkingSet = (IntPtr)(loProcess.MinWorkingSet+1024);
clearMemory();
//loProcess.MinWorkingSet = (IntPtr)((int)loProcess.MinWorkingSet * (int)(2));
CUtil.jlogEx("[setMaxMemory][●catch●]MaxWorkingSet={0} MinWorkingSet={1} [e: {2}]", loProcess.MaxWorkingSet, loProcess.MinWorkingSet, e.ToString());
}
}
public static bool clearDirectory(string strPath)
{
if (isFolder(strPath) == false)
{
CUtil.jlogEx("[clearDirectory]Error: invalid Folder Path:{0}", strPath);
return(false);
}
System.IO.DirectoryInfo di = new DirectoryInfo(strPath);
foreach (FileInfo file in di.GetFiles())
{
file.Delete();
}
foreach (DirectoryInfo dir in di.GetDirectories())
{
dir.Delete(true);
}
return(true);
}
public static bool FolderRename(string strPathSource, string strNewFolderName)
{
string strFolderUpperPath = findUpperPath(strPathSource);
if (strFolderUpperPath == "" || strFolderUpperPath.Length <= 1)
{
CUtil.jlogEx("搬移檔案錯誤:[{0}]=>上層檔案錯誤[{1}]", strPathSource, strFolderUpperPath);
return(false);
}
string strTargetPath = strFolderUpperPath + "\\" + strNewFolderName;
try
{
Directory.Move(strPathSource, strTargetPath);
return(true);
}
catch (IOException eMsg)
{
CUtil.jlogEx("搬移檔案錯誤:[{0}]=>[{1}]\nerr:{2}", strPathSource, strTargetPath, eMsg.ToString());
return(false);
}
}
public static bool deleteDirectory(string strPath)
{
if (isFolder(strPath) == false)
{
CUtil.jlogEx("[deleteDirectory]Error: invalid Folder Path:{0}", strPath);
return(false);
}
System.IO.DirectoryInfo di = new DirectoryInfo(strPath);
foreach (FileInfo file in di.GetFiles())
{
file.Delete();
}
foreach (DirectoryInfo dir in di.GetDirectories())
{
try
{
dir.Delete(true);
}
catch (IOException ioExc)
{
CUtil.jlogEx("[deleteDirectory]Error:{0}", ioExc.ToString());
}
}
try
{
di.Delete();
}
catch (IOException ioExc)
{
CUtil.jlogEx("[deleteDirectory]Error:{0}", ioExc.ToString());
return(false);
}
return(true);
}
