public class CreateFileOrFolder
{
static void Main()
{
// Specify a "currently active folder" string activeDir =
@"d:\testdir";
//Create a new subfolder under the current active folder string newPath = System.IO.Path.Combine(activeDir,
"mySubDir");
// Create the subfolder System.IO.Directory.CreateDirectory(newPath);
// Create a new file name. This example generates // a random string. string newFileName = System.IO.Path.GetRandomFileName();
// Combine the new file name with the path newPath = System.IO.Path.Combine(newPath, newFileName);
// Create the file and write to it. // DANGER: System.IO.File.Create will overwrite the file // if it already exists. This can occur even with // random file names. if (!System.IO.File.Exists(newPath))
{
using (System.IO.FileStream fs = System.IO.File.Create(newPath))
{
for (
byte i = 0; i < 100; i++)
{
fs.WriteByte(i);
}
}
}
// Read data back from the file to prove // that the previous code worked. try {
byte[] readBuffer = System.IO.File.ReadAllBytes(newPath);
foreach (
byte b
in readBuffer)
{
Console.WriteLine(b);
}
}
catch (System.IO.IOException e)
{
Console.WriteLine(e.Message);
}
// Keep the console window open in debug mode. System.Console.WriteLine(
"Press any key to exit.");
System.Console.ReadKey();
}
}
注意: