C#读取文件目录输出到CSV文件中

using System;

using System.Collections.Generic;

using System.IO;

using System.Text;

using System.Data;

using Microsoft.VisualStudio.SourceSafe.Interop;





class DirectoryFileCount

{



    static long files = 0;

    static long directories = 0;





    static void Main()

    {

        try

        {

            Console.WriteLine("Enter the path to a directory:");



            string directory = Console.ReadLine();



            // Create a new DirectoryInfo object.

            DirectoryInfo dir = new DirectoryInfo("C:/123");



            if (!dir.Exists)

            {

                throw new DirectoryNotFoundException("The directory does not exist.");

            }



            // Call the GetFileSystemInfos method.

            FileSystemInfo[] infos = dir.GetFileSystemInfos();



            //Console.WriteLine("Working...");



            // Pass the result to the ListDirectoriesAndFiles

            // method defined below.

            ListDirectoriesAndFiles(infos);



            // Display the results to the console. 

            Console.WriteLine("directories: {0}", directories);

            Console.WriteLine("files: {0}", files);



        }

        catch (Exception e)

        {

            Console.WriteLine(e.Message);

        }

        finally

        {



            Console.ReadLine();

        }

    }



    static void ListDirectoriesAndFiles(FileSystemInfo[] FSInfo)

    {

        // Check the FSInfo parameter.

        if (FSInfo == null)

        {

            throw new ArgumentNullException("FSInfo");

        }





        List<string> list = new List<string>();

        // Iterate through each item.

        foreach (FileSystemInfo i in FSInfo)

        {

            // Check to see if this is a DirectoryInfo object.

            if (i is DirectoryInfo)

            {

                // Add one to the directory count.

                directories++;



                // Cast the object to a DirectoryInfo object.

                DirectoryInfo dInfo = (DirectoryInfo)i;



                // Iterate through all sub-directories.

                ListDirectoriesAndFiles(dInfo.GetFileSystemInfos());





                



                Console.WriteLine(dInfo.FullName);



                list.Add(dInfo.FullName);

              





                // 实例化一个StreamWriter 对象，创建文件

                using (StreamWriter sw = new StreamWriter(@"C:\new.txt"))

                {

                    foreach (string para in list)

                    {

                        //输出信息

                        //Console.WriteLine(para);

                        //写入信息

                        sw.WriteLine(para);

                        sw.Flush();

                    }

                }







            }

            // Check to see if this is a FileInfo object.

            else if (i is FileInfo)

            {

                // Add one to the file count.

                files++;



                FileInfo fInfo = (FileInfo)i;



                //Console.WriteLine("**************所有文件******************");





               // Console.WriteLine(fInfo.Name);







            }



        }

    }

}