// 1.文件夹创建、移动、删除--------- // 创建文件夹 Directory.CreateDirectory(Server.MapPath( " a ")); Directory.CreateDirectory(Server.MapPath( " b ")); Directory.CreateDirectory(Server.MapPath( " c ")); // 移动b到a Directory.Move(Server.MapPath( " b "), Server.MapPath( " a\\b ")); // 删除c Directory.Delete(Server.MapPath( " c ")); // 2.文件创建、复制、移动、删除--------- // 创建文件 // 使用File.Create创建再复制/移动/删除时会提示：文件正由另一进程使用,因此该进程无法访问该文件 // 改用 FileStream 获取 File.Create 返回的 System.IO.FileStream 再进行关闭就无此问题 FileStream fs; fs = File.Create(Server.MapPath( " a.txt ")); fs.Close(); fs = File.Create(Server.MapPath( " b.txt ")); fs.Close(); fs = File.Create(Server.MapPath( " c.txt ")); fs.Close(); // 复制文件 File.Copy(Server.MapPath( " a.txt "), Server.MapPath( " a\\a.txt ")); // 移动文件 File.Move(Server.MapPath( " b.txt "), Server.MapPath( " a\\b.txt ")); File.Move(Server.MapPath( " c.txt "), Server.MapPath( " a\\c.txt ")); // 删除文件 File.Delete(Server.MapPath( " a.txt ")); // 3.遍历文件夹中的文件和子文件夹并显示其属性--------- if(Directory.Exists(Server.MapPath( " a "))) { // 所有子文件夹 foreach( string item in Directory.GetDirectories(Server.MapPath( " a "))) { Response.Write( " <b>文件夹： " + item + " </b><br/> "); DirectoryInfo directoryinfo = new DirectoryInfo(item); Response.Write( " 名称： " + directoryinfo.Name + " <br/> "); Response.Write( " 路径： " + directoryinfo.FullName + " <br/> "); Response.Write( " 创建时间： " + directoryinfo.CreationTime + " <br/> "); Response.Write( " 上次访问时间： " + directoryinfo.LastAccessTime + " <br/> "); Response.Write( " 上次修改时间： " + directoryinfo.LastWriteTime + " <br/> "); Response.Write( " 父文件夹： " + directoryinfo.Parent + " <br/> "); Response.Write( " 所在根目录： " + directoryinfo.Root + " <br/> "); Response.Write( " <br/> "); } // 所有子文件 foreach ( string item in Directory.GetFiles(Server.MapPath( " a "))) { Response.Write( " <b>文件： " + item + " </b><br/> "); FileInfo fileinfo = new FileInfo(item); Response.Write( " 名称： " + fileinfo.Name + " <br/> "); Response.Write( " 扩展名： " + fileinfo.Extension + " <br/> "); Response.Write( " 路径： " + fileinfo.FullName + " <br/> "); Response.Write( " 大小： " + fileinfo.Length + " <br/> "); Response.Write( " 创建时间： " + fileinfo.CreationTime + " <br/> "); Response.Write( " 上次访问时间： " + fileinfo.LastAccessTime + " <br/> "); Response.Write( " 上次修改时间： " + fileinfo.LastWriteTime + " <br/> "); Response.Write( " 所在文件夹： " + fileinfo.DirectoryName + " <br/> "); Response.Write( " 文件属性： " + fileinfo.Attributes + " <br/> "); Response.Write( " <br/> "); } } // 4.文件读写--------- if (File.Exists(Server.MapPath( " a\\a.txt "))) { StreamWriter streamwrite = new StreamWriter(Server.MapPath( " a\\a.txt ")); streamwrite.WriteLine( " 木子屋 "); streamwrite.WriteLine( " http://www.mzwu.com/ "); streamwrite.Write( " 2008-04-13 "); streamwrite.Close(); StreamReader streamreader = new StreamReader(Server.MapPath( " a\\a.txt ")); Response.Write(streamreader.ReadLine()); Response.Write(streamreader.ReadToEnd()); streamreader.Close();
}