FileDirLocationOperator - 文件或目录位置操作.

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;

 namespace MoveFiles.code {
     //文件或目录的 FullName 或 Name.
     public enum FileOrDirectoryNameType { FULLNAME, SIMNAME }
     //文件/目录 的匹配方式.
     public enum MatchPattern { STARTWITH, ENDWITH, EQUALS, CONTAINS }

     class FileDirLocationOperator {

         //默认处理的是 路径或文件名.
         public FileOrDirectoryNameType FileOrDirType = FileOrDirectoryNameType.SIMNAME;
         //默认 文件/目录名包含指定模式的字符串时,处理.
         public static MatchPattern OpePattern = MatchPattern.EQUALS;

         public string Root { private set; get; }

         /// <summary>
         /// 构造函数(初始化存储文件系统操作对象集合).
         /// </summary>
         /// <param name="root"></param>
         /// <param name="FileOrDirType"></param>
         /// <param name="OpePattern"></param>
         /// <param name="OpeType"></param>
         public FileDirLocationOperator(string root, FileOrDirectoryNameType FileOrDirType = FileOrDirectoryNameType.SIMNAME, MatchPattern OpePattern = MatchPattern.EQUALS) {
             if (String.IsNullOrEmpty(root)) throw new ArgumentNullException(root);
             Root = root;
         }

         public void RenameDirBySubDir() {
             string desFullName = "";
             System.IO.DirectoryInfo desDir = null;
             //第一层目录.
             foreach (System.IO.DirectoryInfo dir1st in new System.IO.DirectoryInfo(Root).GetDirectories()) {
                 //第二层目录.
                 string desSimName = "";
                 int endIndex = -;
                 foreach (System.IO.DirectoryInfo dir2nd in dir1st.GetDirectories()) {
                     endIndex = dir2nd.Name.LastIndexOf("_CSharp");
                     if (endIndex != -) {
                         desSimName = dir2nd.Name.Substring(, endIndex);
                         break;
                     }
                 }   //foreach:dir2nd

                 if (string.IsNullOrEmpty(desSimName)) continue;
                 desFullName = Root + "\\" + desSimName;
                 desDir = new System.IO.DirectoryInfo(desFullName);
                 if (!desDir.Exists) {
                     desDir.Create();
                     dir1st.MoveTo(desDir.FullName);
                 }
             }   //foreach:dir1st
         }

         /// <summary>
         /// 将指定目录下的所有文件和目录都移到上一目录,并删除被移空的当前指定的目录.
         /// </summary>
         /// <param name="dir">指定的目录.</param>
         public void SubFileSysToParent(System.IO.DirectoryInfo dir) {
             foreach (System.IO.FileSystemInfo sub in dir.GetFileSystemInfos()) {
                 Move(sub, dir.Parent.FullName + "\\" + sub.Name);
             }
             //删除已被移空的目录.
             if (dir.GetFileSystemInfos().Length == )
                 dir.Delete();
         }

         /// <summary>
         /// 按文件的名称在当前目录创建对应的目录,并将文件移进去.例如,在当前目录中有个文件为"fileName.txt",
         /// 则在当前目录下创建目录"fileName",并将"fileName.txt"移进"fileName"中.
         /// </summary>
         /// <param name="filter">文件的后缀名.</param>
         public void MoveFilesByRandomCreateDir(string filter) {
             string desFullName = "";    //目标文件的名称.
             System.IO.DirectoryInfo dirDes = null;
             foreach (System.IO.FileInfo fInfo in new System.IO.DirectoryInfo(Root).GetFiles(filter)) {
                 desFullName = string.Concat(fInfo.DirectoryName, "\\", System.IO.Path.GetFileNameWithoutExtension(fInfo.Name));
                 dirDes = new System.IO.DirectoryInfo(desFullName);
                 //对于不存在的目录,需要创建.
                 if (!dirDes.Exists) {
                     dirDes.Create();
                 }
                 fInfo.MoveTo(string.Concat(dirDes.FullName, "\\", fInfo.Name));
             }
         }

         /// <summary>
         /// 判断是否匹配.
         /// </summary>
         /// <param name="dirOrFileName">源文件或目录名.</param>
         /// <param name="namePattern">待匹配的字符串.</param>
         /// <param name="ignoreCase">是否忽略大小写.</param>
         /// <returns></returns>
         public static bool Match(string dirOrFileName, string namePattern, bool ignoreCase) {
             switch (OpePattern) {
                 case MatchPattern.CONTAINS:
                     return dirOrFileName.Contains(namePattern);
                 case MatchPattern.EQUALS:
                     if (ignoreCase)
                         return dirOrFileName.Equals(namePattern, StringComparison.CurrentCultureIgnoreCase);
                     else
                         return dirOrFileName.Equals(namePattern, StringComparison.CurrentCulture);
                 case MatchPattern.STARTWITH:
                     return dirOrFileName.StartsWith(namePattern);
                 case MatchPattern.ENDWITH:
                     return dirOrFileName.EndsWith(namePattern);
                 default:
                     throw new ArgumentNullException("MatchPattern:OperationPattern");
             }
         }

         /// <summary>
         /// 移动文件或目录.
         /// </summary>
         /// <param name="fSysSrc">源文件或目录.</param>
         /// <param name="desDirName">目标文件或目录名.</param>
         private void Move(System.IO.FileSystemInfo fSysSrc, string desDirName) {
             //文件.
             if (fSysSrc is System.IO.FileInfo) {
                 System.IO.FileInfo f = (System.IO.FileInfo)fSysSrc;
                 f.MoveTo(desDirName);
             }
             //目录.
             else if (fSysSrc is System.IO.DirectoryInfo) {
                 System.IO.DirectoryInfo d = (System.IO.DirectoryInfo)fSysSrc;
                 d.MoveTo(desDirName);
             }
             else throw new ArgumentNullException(fSysSrc.FullName);
         }
     }
 }