C#文件管理类Directory实例分析

public string GetFile(){//获取根目录下的所以文件  string Files = "";  string[] Wenjian = Directory.GetFiles(Server.MapPath("~/"));  foreach (string item in Wenjian)  {    FileInfo info = new FileInfo(item);    Files += "文件名：" + info.Name + ";文件类型" + info.Extension + ";文件大小：" + info.Length + ";创建时间：" + info.CreationTime + "<br/>";  }  return Files;}public string Folder(){//获取根目录下的所以文件夹  string Folders = "";  string[] wj = Directory.GetDirectories(Server.MapPath("~/"));  foreach (string item in wj)  {    DirectoryInfo info = new DirectoryInfo(item);    Folders += "文件夹名称：" + info.Name + "<br/>";  }  return Folders;}