C# 在本地创建文件夹及子文件夹

 string dict = @"d:\估价报告\";
 if (!Directory.Exists(dict))
  {
      Directory.CreateDirectory(dict); //创建文件夹
  }
  string subFolder = "subfolder";
  string pathString = System.IO.Path.Combine(dict, subFolder);
  if (!System.IO.File.Exists(pathString))
   {
      Directory.CreateDirectory(pathString); //创建子文件夹
   }