服务器D盘上传的文件过多，空间剩下很少了，于是想把里面部分文件，大概几万个文件转移到E盘，做了这个小工具。先查询出要转移的文件清单，保存在一个记事本中，如下所示：

接着读取文件名，一个个移动到指定目录中去，winform窗体布局及效果如下：

完整代码如下：

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.Threading;namespace FileMoveTools
{public partial class Form1 : Form{public Form1(){InitializeComponent();}#region 目录        private void btnBrowseSrcDir_Click(object sender, EventArgs e){           using (FolderBrowserDialog dialog = new FolderBrowserDialog()){if (dialog.ShowDialog() == DialogResult.OK)txtSrcDir.Text = dialog.SelectedPath;}}private void btnBrowseFile_Click(object sender, EventArgs e){using (OpenFileDialog openFileDialog = new OpenFileDialog()){openFileDialog.Filter = "Text (*.txt)|*.txt;";openFileDialog.AddExtension = true;openFileDialog.RestoreDirectory = true;if (openFileDialog.ShowDialog() == DialogResult.OK){txtFile.Text = openFileDialog.FileName;}}  }private void btnSetDestDir_Click(object sender, EventArgs e){using (FolderBrowserDialog dialog = new FolderBrowserDialog()){if (dialog.ShowDialog() == DialogResult.OK)txtDestDir.Text = dialog.SelectedPath;}}#endregionprivate void btnOK_Click(object sender, EventArgs e){Thread mythread = new Thread(MoveFile);mythread.IsBackground = true;mythread.Start();    }private void MoveFile(){string srcDir = txtSrcDir.Text.Trim();string destDir = txtDestDir.Text.Trim();string files = txtFile.Text.Trim();#region 验证路径是否存在if (!Directory.Exists(srcDir)){statusMsg.Text = "要迁移的目录不存在";return;}if (!Directory.Exists(destDir)){statusMsg.Text = "迁移后的目录不存在";return;}if (!File.Exists(files)){statusMsg.Text = "文件清单不存！";return;}#endregionstatusMsg.Text = "文件开始迁移..";int count = 0;using (StreamReader sr = new StreamReader(files, Encoding.UTF8)){string strline = null;while ((strline = sr.ReadLine()) != null){long diskFreeSpace = GetHardDiskFreeSpace("D");if (diskFreeSpace <= 5){statusMsg.Text = "硬盘空间剩下5GB，停止迁移文件.";return;}string sourceFileName = srcDir + "/" + strline;string destFileName = destDir + "/" + strline;if (File.Exists(sourceFileName)){count++;statusMsg.Text = "当前迁移第 " + count + " 个文件";File.Move(sourceFileName, destFileName);}}}this.Invoke(new Action(() =>{statusMsg.Text = "迁移了 " + count + " 个文件，完成";}));  }///  <summary> /// 获取指定驱动器的剩余空间总大小(单位为GB) ///  </summary> ///  <param name="str_HardDiskName">只需输入代表驱动器的字母即可 </param> ///  <returns> </returns> private static long GetHardDiskFreeSpace(string str_HardDiskName){long freeSpace = new long();str_HardDiskName = str_HardDiskName + ":\\";System.IO.DriveInfo[] drives = System.IO.DriveInfo.GetDrives();foreach (System.IO.DriveInfo drive in drives){if (drive.Name == str_HardDiskName){freeSpace = drive.TotalFreeSpace / (1024 * 1024 * 1024);}}return freeSpace;} }
}