C# 目录(文件夹)复制实现

         private static void CopyDir(DirectoryInfo origin, string target)
         {
             if (!target.EndsWith("\\"))
             {
                 target += "\\";
             }
             if (!Exist(target))
             {
                 Create(target);
                 //Create(target, origin.GetAccessControl());
             }
             FileInfo[] fileList = origin.GetFiles();
             DirectoryInfo[] dirList = origin.GetDirectories();
             foreach (FileInfo fi in fileList)
             {
                 File.Copy(fi.FullName, target + fi.Name, true);
             }
             foreach (DirectoryInfo di in dirList)
             {
                 CopyDir(di, target + di.Name);
             }
             DirectoryInfo tmp = new DirectoryInfo(target);
             tmp.Attributes = origin.Attributes;
             tmp.SetAccessControl(origin.GetAccessControl());
         }

         private static void CopyDir(string origin, string target)
         {
             if (!origin.EndsWith("\\"))
             {
                 origin += "\\";
             }
             if (!target.EndsWith("\\"))
             {
                 target += "\\";
             }

             DirectoryInfo info = new DirectoryInfo(origin);
             if (!Exist(target))
             {
                 Create(target,info.GetAccessControl());//创建目录,访问权限
             }

             FileInfo[] fileList = info.GetFiles();
             DirectoryInfo[] dirList = info.GetDirectories();
             foreach (FileInfo fi in fileList)
             {
                 File.Copy(fi.FullName, target + fi.Name, true);
             }
             foreach (DirectoryInfo di in dirList)
             {
                 //CopyDir(origin + "\\" + di.Name, target + "\\" + di.Name);
                 CopyDir(di.FullName, target + "\\" + di.Name);
             }
             //设置目录属性和访问权限
             DirectoryInfo tmp = new DirectoryInfo(target);
             tmp.Attributes = info.Attributes;
             tmp.SetAccessControl(info.GetAccessControl());
         }