C# 简单创建和删除文件夹

if (!Directory.Exists(sPath))
{
Directory.CreateDirectory(sPath);
}

using System;
using System.IO;class Test
{
public static void Main()
{
// Specify the directories you want to manipulate.
string path = @"c:\MyDir";
string target = @"c:\TestDir"; try
{
// Determine whether the directory exists.
if (!Directory.Exists(path))
{
// Create the directory it does not exist.
Directory.CreateDirectory(path);
} if (Directory.Exists(target))
{
// Delete the target to ensure it is not there.
Directory.Delete(target, true);
} // Move the directory.
Directory.Move(path, target); // Create a file in the directory.
File.CreateText(target + @"\myfile.txt"); // Count the files in the target directory.
Console.WriteLine("The number of files in {0} is {1}",
target, Directory.GetFiles(target).Length);
}
catch (Exception e)
{
Console.WriteLine("The process failed: {0}", e.ToString());
}
finally {}
}
}

// The following example calculates the size of a directory
// and its subdirectories, if any, and displays the total size
// in bytes.using System;
using System.IO;public class ShowDirSize
{
public static long DirSize(DirectoryInfo d)
{
long Size = ;
// Add file sizes.
FileInfo[] fis = d.GetFiles();
foreach (FileInfo fi in fis)
{
Size += fi.Length;
}
// Add subdirectory sizes.
DirectoryInfo[] dis = d.GetDirectories();
foreach (DirectoryInfo di in dis)
{
Size += DirSize(di);
}
return(Size);
}
public static void Main(string[] args)
{
if (args.Length != )
{
Console.WriteLine("You must provide a directory argument at the command line.");
}
else
{
DirectoryInfo d = new DirectoryInfo(args[]);
long dsize = DirSize(d);
Console.WriteLine("The size of {0} and its subdirectories is {1} bytes.", d, dsize);
}
}
}