复制代码 代码如下:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.IO;

namespace StreamReadWrite

{

class Program

{

static void Main(string[] args)

{

// Get the directories currently on the C drive.

DirectoryInfo[] cDirs = new DirectoryInfo(@"e:").GetDirectories();

// Write each directory name to a file.

using (StreamWriter sw = new StreamWriter("CDriveDirs.txt"))

{

foreach (DirectoryInfo dir in cDirs)

{

sw.WriteLine(dir.Name);

}

}

// Read and show each line from the file.

string line = "";

using (StreamReader sr = new StreamReader("CDriveDirs.txt"))

{

while ((line = sr.ReadLine()) != null)

{

Console.WriteLine(line);

}

}

}

}

}