C#拷贝整个文件夹以及子目录和其中文件

   private void CopyDirectory(string srcPath, string desPath)

        {

            string folderName = srcdir.Substring(srcdir.LastIndexOf("\\")+1);

 

            string desfolderdir = desPath +"\\"+ folderName;

 

            if (desdir.LastIndexOf("\\") == (desPath.Length - 1))

            {

                desfolderdir = desPath + folderName;

            }

            string[] filenames = Directory.GetFileSystemEntries(srcPath);

 

            foreach (string file in filenames)


            {

                if (Directory.Exists(file))


                {

 

                    string currentdir = desfolderdir + "\\" + file.Substring(file.LastIndexOf("\\") + 1);

                    if (!Directory.Exists(currentdir))

                    {

                        Directory.CreateDirectory(currentdir);

                    }

 

                    CopyDirectory(file, desfolderdir);

                }

 

                else 


                {

                    string srcfileName = file.Substring(file.LastIndexOf("\\")+1);

 

                    srcfileName = desfolderdir + "\\" + srcfileName;

 

 

                    if (!Directory.Exists(desfolderdir))

                    {

                        Directory.CreateDirectory(desfolderdir);

                    }

                     

                     

                    File.Copy(file, srcfileName);

                }

            }


       }