如何将文件夹复制到USB？ C＃

我正在开发一个项目，它将使用我的计算机中的某些文件自动更新USB。

该程序可用于启动和监视插入计算机的任何USB或CD。 我的程序是将一些文件夹及其文件复制到USB。 我无法将文件夹复制到USB中，并感谢一些帮助，谢谢。

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.IO; using System.Diagnostics; namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } // this section starts the timer so it can moniter when a USB or CD is inserted into // the computer. //================================================================================== private void Form1_Load(object sender, EventArgs e) { timer1.Interval = 100; timer1.Start(); WindowState = FormWindowState.Minimized; //=================================================================================== } private void timer1_Tick(object sender, EventArgs e) { // this section checks to see if there is a drive type of USB and CDs. foreach(DriveInfo drive in DriveInfo.GetDrives()) { if (drive.DriveType == DriveType.Removable) { // this part is supposed to copy a folder from the PC and paste it to the USB //============================================================================== //============================================================================== } if (drive.DriveType == DriveType.CDRom) { // same thing but for CDs. //============================================================================== //============================================================================== } } } // this section opens a folderbrowserdialog that the users can use to access their folders //and put them into a listbox so when a USB or CD is inserted it will copy those files into // the storage devices. //============================================================================== private void button1_Click(object sender, EventArgs e) { if (folderBrowserDialog1.ShowDialog() == DialogResult.OK) { listBox1.Items.Add(folderBrowserDialog1.SelectedPath); //============================================================================== } } } } 

Answer 1

以下是它的完成方式：

 private static void DirectoryCopy(string sourceDirName, string destDirName, bool copySubDirs) { DirectoryInfo dir = new DirectoryInfo(sourceDirName); DirectoryInfo[] dirs = dir.GetDirectories(); if (!dir.Exists) { throw new DirectoryNotFoundException( "Source directory does not exist or could not be found: " + sourceDirName); } if (!Directory.Exists(destDirName)) { Directory.CreateDirectory(destDirName); } FileInfo[] files = dir.GetFiles(); foreach (FileInfo file in files) { string temppath = Path.Combine(destDirName, file.Name); file.CopyTo(temppath, false); } if (copySubDirs) { foreach (DirectoryInfo subdir in dirs) { string temppath = Path.Combine(destDirName, subdir.Name); DirectoryCopy(subdir.FullName, temppath, copySubDirs); } } } 

Answer 2

使用File.Copy并使用USB驱动器号作为目标。 例如：

 string sourceDir = @"c:\current"; string backupDir = @"f:\archives\2008"; try { string[] picList = Directory.GetFiles(sourceDir, "*.jpg"); string[] txtList = Directory.GetFiles(sourceDir, "*.txt"); // Copy picture files. foreach (string f in picList) { // Remove path from the file name. string fName = f.Substring(sourceDir.Length + 1); // Use the Path.Combine method to safely append the file name to the path. // Will overwrite if the destination file already exists. File.Copy(Path.Combine(sourceDir, fName), Path.Combine(backupDir, fName), true); } // Copy text files. foreach (string f in txtList) { // Remove path from the file name. string fName = f.Substring(sourceDir.Length + 1); try { // Will not overwrite if the destination file already exists. File.Copy(Path.Combine(sourceDir, fName), Path.Combine(backupDir, fName)); } // Catch exception if the file was already copied. catch (IOException copyError) { Console.WriteLine(copyError.Message); } } // Delete source files that were copied. foreach (string f in txtList) { File.Delete(f); } foreach (string f in picList) { File.Delete(f); } } catch (DirectoryNotFoundException dirNotFound) { Console.WriteLine(dirNotFound.Message); } 

Answer 3

请参考MSDN： http ： //msdn.microsoft.com/en-us/library/bb762914.aspx