using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO;
namespace FileClass { class Program { static System.Collections.Specialized.StringCollection log = new System.Collections.Specialized.StringCollection(); static void Main(string[] args) { //获取逻辑分区 string[] drives = System.Environment.GetLogicalDrives(); foreach (string d in drives) { System.IO.DriveInfo di=new System.IO.DriveInfo(d); //排除 if (!di.IsReady) { Console.WriteLine("drive is not ready:{0}",di); continue; } Console.WriteLine("drive is ready:{0}", di); DirectoryInfo dirRoot = di.RootDirectory; WalkDirectoryTree(dirRoot);
} Console.WriteLine("exception:"); foreach (string s in log) { Console.WriteLine(s); StreamWriter writer = new StreamWriter(@"C:\Users\PSY\Desktop\list.txt", true, Encoding.Default); writer.WriteLine(s); writer.Close(); } Console.ReadKey(); }
/// /// 遍历文件夹 /// /// public static void WalkDirectoryTree(System.IO.DirectoryInfo root) { System.IO.FileInfo[] files = null; System.IO.DirectoryInfo[] subDirs = null; try { files = root.GetFiles("*.*"); } catch (UnauthorizedAccessException e) { log.Add(e.Message); } catch(DirectoryNotFoundException e)
{ Console.WriteLine(e.Message); } if (files != null) { foreach (FileInfo fi in files) { Console.WriteLine(fi.FullName); StreamWriter writer = new StreamWriter(@"C:\Users\PSY\Desktop\list.txt",true,Encoding.Default);
writer.WriteLine(fi.FullName); writer.Close(); } //递归调用 subDirs = root.GetDirectories(); foreach (DirectoryInfo dirInfo in subDirs) { WalkDirectoryTree(dirInfo); } }
} } }
关键笔记： 1、获取本机逻辑分区： string[] drives = System.Environment.GetLogicalDrives();
2、获取所有文件：(DirectoryInfo dir) FileInfo[] fileInfo = dir.GetFiles();
3、获取所有目录：(DirectoryInfo dir) DirectoryInfo[] directoryInfo = dir.GetDirectories();
参考链接：https://docs.microsoft.com/zh-cn/dotnet/csharp/programming-guide/file-system/how-to-iterate-through-a-directory-tree
