本文共 3416 字，大约阅读时间需要 11 分钟。

/// 
        /// 返回指定目录下的所有文件信息        /// 
        ///         /// 
           public List
   
     GetAllFilesInDirectory(string strDirectory)        {            List
    
      listFiles = new List
     
      (); //保存所有的文件信息              DirectoryInfo directory = new DirectoryInfo(strDirectory);            DirectoryInfo[] directoryArray = directory.GetDirectories();            FileInfo[] fileInfoArray = directory.GetFiles();            if (fileInfoArray.Length > 0) listFiles.AddRange(fileInfoArray);            foreach (DirectoryInfo _directoryInfo in directoryArray)            {                DirectoryInfo directoryA = new DirectoryInfo(_directoryInfo.FullName);                DirectoryInfo[] directoryArrayA = directoryA.GetDirectories();                FileInfo[] fileInfoArrayA = directoryA.GetFiles();                if (fileInfoArrayA.Length > 0) listFiles.AddRange(fileInfoArrayA);                GetAllFilesInDirectory(_directoryInfo.FullName);//递归遍历              }            return listFiles;
     
    
   

/// 
        /// 从一个目录将其内容移动到另一目录          /// 
        /// 源目录        /// 目标目录        private void MoveFolderTo(string directorySource, string directoryTarget)        {            //检查是否存在目的目录              if (!Directory.Exists(directoryTarget))            {                Directory.CreateDirectory(directoryTarget);            }            //先来移动文件              DirectoryInfo directoryInfo = new DirectoryInfo(directorySource);            FileInfo[] files = directoryInfo.GetFiles();            //移动所有文件              foreach (FileInfo file in files)            {                //如果自身文件在运行，不能直接覆盖，需要重命名之后再移动                  if (File.Exists(Path.Combine(directoryTarget, file.Name)))                {                    if (File.Exists(Path.Combine(directoryTarget, file.Name + ".bak")))                    {                        File.Delete(Path.Combine(directoryTarget, file.Name + ".bak"));                    }                    File.Move(Path.Combine(directoryTarget, file.Name), Path.Combine(directoryTarget, file.Name + ".bak"));                }                file.MoveTo(Path.Combine(directoryTarget, file.Name));            }            //最后移动目录              DirectoryInfo[] directoryInfoArray = directoryInfo.GetDirectories();            foreach (DirectoryInfo dir in directoryInfoArray)            {                MoveFolderTo(Path.Combine(directorySource, dir.Name), Path.Combine(directoryTarget, dir.Name));            }

/// 
        /// 从一个目录将其内容复制到另一目录        /// 
        /// 源目录        /// 目标目录        static void CopyFolderTo(string directorySource, string directoryTarget)        {            //检查是否存在目的目录              if (!Directory.Exists(directoryTarget))            {                Directory.CreateDirectory(directoryTarget);            }            //先来复制文件              DirectoryInfo directoryInfo = new DirectoryInfo(directorySource);            FileInfo[] files = directoryInfo.GetFiles();            //复制所有文件              foreach (FileInfo file in files)            {                file.CopyTo(Path.Combine(directoryTarget, file.Name));            }            //最后复制目录              DirectoryInfo[] directoryInfoArray = directoryInfo.GetDirectories();            foreach (DirectoryInfo dir in directoryInfoArray)            {                CopyFolderTo(Path.Combine(directorySource, dir.Name), Path.Combine(directoryTarget, dir.Name));            }        }

转载地址：http://gblai.baihongyu.com/