string path = "C:\folder1\folder2\file.txt";
我可以使用什么对象或方法来获得结果folder2
?
I would probably use something like:
string path = "C:/folder1/folder2/file.txt";
string lastFolderName = Path.GetFileName( Path.GetDirectoryName( path ) );
The inner call to GetDirectoryName
will return the full path, while the outer call to GetFileName()
will return the last path component - which will be the folder name.
This approach works whether or not the path actually exists. This approach, does however, rely on the path initially ending in a filename. If it's unknown whether the path ends in a filename or folder name - then it requires that you check the actual path to see if a file/folder exists at the location first. In that case, Dan Dimitru's answer may be more appropriate.
Try this:
string filename = @"C:/folder1/folder2/file.txt";
string FolderName = new DirectoryInfo(System.IO.Path.GetDirectoryName(filename)).Name;
Simple & clean. Only uses System.IO.FileSystem
- works like a charm:
string path = "C:/folder1/folder2/file.txt";
string folder = new DirectoryInfo(path).Name;
DirectoryInfo does the job to strip directory name
string my_path = @"C:\Windows\System32";
DirectoryInfo dir_info = new DirectoryInfo(my_path);
string directory = dir_info.Name; // System32
I used this code snippet to get the directory for a path when no filename is in the path:
for example "c:\tmp\test\visual";
string dir = @"c:\tmp\test\visual";
Console.WriteLine(dir.Replace(Path.GetDirectoryName(dir) + Path.DirectorySeparatorChar, ""));
Output:
visual
string Folder = Directory.GetParent(path).Name;
var fullPath = @"C:\folder1\folder2\file.txt";
var lastDirectory = Path.GetDirectoryName(fullPath).Split('\\').LastOrDefault();
It's also important to note that while getting a list of directory names in a loop, the DirectoryInfo
class gets initialized once thus allowing only first-time call. In order to bypass this limitation, ensure you use variables within your loop to store any individual directory's name.
For example, this sample code loops through a list of directories within any parent directory while adding each found directory-name inside a List of string type:
[C#]
string[] parentDirectory = Directory.GetDirectories("/yourpath");
List<string> directories = new List<string>();
foreach (var directory in parentDirectory)
{
// Notice I've created a DirectoryInfo variable.
DirectoryInfo dirInfo = new DirectoryInfo(directory);
// And likewise a name variable for storing the name.
// If this is not added, only the first directory will
// be captured in the loop; the rest won't.
string name = dirInfo.Name;
// Finally we add the directory name to our defined List.
directories.Add(name);
}
[VB.NET]
Dim parentDirectory() As String = Directory.GetDirectories("/yourpath")
Dim directories As New List(Of String)()
For Each directory In parentDirectory
' Notice I've created a DirectoryInfo variable.
Dim dirInfo As New DirectoryInfo(directory)
' And likewise a name variable for storing the name.
' If this is not added, only the first directory will
' be captured in the loop; the rest won't.
Dim name As String = dirInfo.Name
' Finally we add the directory name to our defined List.
directories.Add(name)
Next directory
Below code helps to get folder name only
public ObservableCollection items = new ObservableCollection(); try { string[] folderPaths = Directory.GetDirectories(stemp); items.Clear(); foreach (string s in folderPaths) { items.Add(new gridItems { foldername = s.Remove(0, s.LastIndexOf('\\') + 1), folderpath = s }); } } catch (Exception a) { } public class gridItems { public string foldername { get; set; } public string folderpath { get; set; } }
This is ugly but avoids allocations:
private static string GetFolderName(string path)
{
var end = -1;
for (var i = path.Length; --i >= 0;)
{
var ch = path[i];
if (ch == System.IO.Path.DirectorySeparatorChar ||
ch == System.IO.Path.AltDirectorySeparatorChar ||
ch == System.IO.Path.VolumeSeparatorChar)
{
if (end > 0)
{
return path.Substring(i + 1, end - i - 1);
}
end = i;
}
}
if (end > 0)
{
return path.Substring(0, end);
}
return path;
}
// For example:
String[] filePaths = Directory.GetFiles(@"C:\Nouveau dossier\Source");
String targetPath = @"C:\Nouveau dossier\Destination";
foreach (String FileD in filePaths)
{
try
{
FileInfo info = new FileInfo(FileD);
String lastFolderName = Path.GetFileName(Path.GetDirectoryName(FileD));
String NewDesFolder = System.IO.Path.Combine(targetPath, lastFolderName);
if (!System.IO.Directory.Exists(NewDesFolder))
{
System.IO.Directory.CreateDirectory(NewDesFolder);
}
String destFile = System.IO.Path.Combine(NewDesFolder, info.Name);
File.Move(FileD, destFile );
// Try to move
Console.WriteLine("Moved"); // Success
}
catch (IOException ex)
{
Console.WriteLine(ex); // Write error
}
}
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