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
    }