using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
namespace TestFileInfo
{
class Program
{
static void Main(string[] args)
{
string pathNames=null;
do
{
Console.Write("请输入目录路径名(输入x退出程序):");
pathNames = Console.ReadLine();
if ((pathNames == "X") || (pathNames == "x"))
break;
DirectoryInfo dirPath = new DirectoryInfo(pathNames);
CDirectoryInfo dirObject = new CDirectoryInfo();
Console.Write(dirObject.GetDirectoryInfos(dirPath));
Console.WriteLine("______________________________________________________/n");
dirObject.pathNameProp = null;
Console.Write(dirObject.GetDirectoryInfos(pathNames));
Console.WriteLine("_____________________________________________________");
} while (true);//((pathName == "X") || (pathName == "x"));
Console.Write("/n程序已终止，按任意键退出程序!");
Console.ReadKey();
}
}
class CDirectoryInfo
{
string pathName=null;
public string pathNameProp
{
set
{
pathName = value;
}
get
{
return pathName;
}
}
/// <summary>
/// 遍历核心代码
/// </summary>
/// <param name="fatherDir"></param>
/// <returns></returns>
public string GetDirectoryInfos(DirectoryInfo fatherDir)
{
try
{
DirectoryInfo[] childDir = fatherDir.GetDirectories();
if (childDir.Length == 0) //如果已无下层目录，则将当前目录的完整路径加入到pathName变量中
return pathName += fatherDir.FullName + "/n";
else
{
for (int i = 0; i < childDir.Length; i++) //如果有下层目录，则递归每一个下层目录，且在第一次循环时
{ //将当前目录的完整路径加入到pathName变量中加入
if (i == 0)
pathName += fatherDir.FullName + "/n";
GetDirectoryInfos(childDir[i]);
}
return pathName;
}
}
catch (DirectoryNotFoundException ex)
{
return "你输入的路径无效，它可能不存在或者该路径拒绝访问。/n相关提示:/n" + ex.Message + "/n";
}
catch (UnauthorizedAccessException ex)
{
return "你输入的路径无效，该路径可能拒绝访问。/n相关提示:/n" + ex.Message + "/n";
}
}
/// <summary>
/// 遍历文件夹的重载函数
/// </summary>
/// <param name="pathName"></param>
/// <returns></returns>
public string GetDirectoryInfos(string pathName)
{
try
{
DirectoryInfo fatherDir = new DirectoryInfo(pathName);
DirectoryInfo[] childDir = fatherDir.GetDirectories();
if (childDir.Length == 0)
return this.pathName += fatherDir.FullName + "/n";
else
{
for (int i = 0; i < childDir.Length; i++)
{
if (i == 0)
this.pathName += fatherDir.FullName + "/n";
GetDirectoryInfos(childDir[i].FullName);
}
return this.pathName;
}
}
catch (DirectoryNotFoundException ex)
{
return "你输入的路径无效，它可能不存在或者该路径拒绝访问。/n相关提示:/n" + ex.Message + "/n";
}
catch (UnauthorizedAccessException ex)
{
return "你输入的路径无效，该路径可能拒绝访问。/n相关提示:/n" + ex.Message + "/n";
}
}
}
}
