protected void Page_Load(object sender, EventArgs e) { //指定目标文件夹 string directory = @"C:WindowsMicrosoft.NETFrameworkv3.5"; IterationFile(directory); } private void IterationFile(string path) { DirectoryInfo di = new DirectoryInfo(path); //输出当前目录。 Response.Write(di.ToString() + "<br />"); //取得当前目录中所有文件 FileInfo[] fiArray = di.GetFiles(); //循环每一个文件 for (int i = 0; i < fiArray.Length; i++) { Response.Write(fiArray[i].ToString() + "<br/>"); } //每个目录结束，写一空行。 Response.Write("----------------------------------------------------------------------------<br/>"); //取得当前目录中所有子目录 DirectoryInfo[] diArray = di.GetDirectories(); //循环每一个目录 for (int j = 0; j < diArray.Length; j++) { IterationFile(diArray[j].FullName); } }