private static string Alarm_content;

public List<FileSystemWatcher> watchers = new List<FileSystemWatcher>();

public static void OnCreated(object source, FileSystemEventArgs e)

{

    Console.WriteLine(string.Format("{0} {1}",e.FullPath,e.ChangeType));

    Alarm_content += string.Format("{0} {1}", e.FullPath, e.ChangeType);

    if (!string.IsNullOrEmpty(Alarm_content))

    {

        //sand("FileUpdate", Alarm_content);  //发邮件提醒

    }

}

[PermissionSetAttribute(SecurityAction.Demand, Name = "FullTrust")]

public string PATHS = "D:\new;D:\test";

public string[] PATHS = PATHS.Split(new string[] { ";" }, StringSplitOptions.RemoveEmptyEntries);  //字符串根据";"拆分为数组

public static  void SumFiles(string[] PATHS)

{                       

    string date = string.Format("{0:yyyyMMdd}", DateTime.Now);

    foreach (var PATH in PATHS)

    {

        string path = string.Format(@"{0}\{1}\Trace", PATH, date);

        if (!Directory.Exists(path))

        {

            continue;

        }

        FileSystemWatcher fsw = new FileSystemWatcher();

        //设置为监视 LastWrite 和 LastAccess 时间方面的更改，以及目录中文本文件的创建、删除或重命名

        fsw.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName;

        //fsw.BeginInit(); //初始化

        fsw.Path = path;

        fsw.Created += new FileSystemEventHandler(OnCreated);  //创建文件

        //fsw.Deleted += new FileSystemEventHandler(OnCreated);  //删除文件

        //fsw.Renamed += new RenamedEventHandler(OnRename);  //重命名文件            

        fsw.EnableRaisingEvents = true;

    }            

    Console.WriteLine("按q退出程序.");

    while (Console.Read() != 'q') { };           

}