{
DirectorySecurity _pathSecurity = new DirectorySecurity(_path, AccessControlSections.Access);

代码很简单，指定需要递归遍历的文件夹和遍历规则就要可以运行了
public static void LoopFolder(string pathName, Action<FileInfo> fileRule)
/// <param>需要递归遍历的文件夹</param>
/// <summary>
foreach (FileInfo file in _directoryInfo.GetFiles())

复制代码 代码如下:

{
{
}
if (!_pathSecurity.AreAccessRulesProtected)//文件夹权限是否可访问

复制代码 代码如下:

}
DirectoryInfo _directoryInfo = new DirectoryInfo(_path);
fileRule(file);
_pathQueue.Enqueue(pathName);
/// </summary>

{

if (string.IsNullOrEmpty(pathName))
{
}

/// <param>遍历规则『委托』</param>

}
if (file.Extension.Equals(".xls"))//获取excel类型文件
foreach (DirectoryInfo diChild in _directoryInfo.GetDirectories())
}
Console.WriteLine(string.Format("============{0}==============", file.FullName));

举例使用
/// 递归获取文件夹目录下文件

Queue<string> _pathQueue = new Queue<string>();
_pathQueue.Enqueue(diChild.FullName);
while (_pathQueue.Count > 0)
throw new ArgumentNullException(pathName);

{
CSharpToolV2.LoopFolder(@"C:\Users\Administrator\Downloads\", (FileInfo file) =>
string _path = _pathQueue.Dequeue();
{
}