ASP.NET----监视文件系统

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace NET.MST.Fifth.UseFileSystem_fsw
{
    class UseFS_fsw
    {
        //退出程序命令
        private const String Exit = "exit";
        //监视的文件夹
        private const String Folder = "C:\\Test";
        private FileSystemWatcher _fsw;

        public UseFS_fsw()
        {
            _fsw = new FileSystemWatcher();
            //建立检测文件夹
            if (Directory.Exists(Folder))
                Directory.Delete(Folder, true);
            Directory.CreateDirectory(Folder);
            _fsw.Path = Folder;

            //这里选择最后访问文件时间、最后写文件时间、
            //文件名、文件夹名变化时，触发事件
            _fsw.NotifyFilter = NotifyFilters.LastAccess 
                | NotifyFilters.LastWrite
                | NotifyFilters.FileName 
                | NotifyFilters.DirectoryName;
            //这里选择检测所有的zip文件
            _fsw.Filter = "*.zip";
            //为这些事件添加处理方法。.
            _fsw.Changed += new FileSystemEventHandler(OnChanged);
            _fsw.Created += new FileSystemEventHandler(OnChanged);
            _fsw.Deleted += new FileSystemEventHandler(OnChanged);
            _fsw.Renamed += new RenamedEventHandler(OnRenamed);
            //这里开始所有事件会被触发
            _fsw.EnableRaisingEvents = true;
        }

        //处理变化时间，变化可以包含创建、修改和删除
        private void OnChanged(object source, FileSystemEventArgs e)
        {
            Console.WriteLine("文件: " + 
                e.FullPath + " " + e.ChangeType);
        }
        //处理重命名事件
        private static void OnRenamed(object source, RenamedEventArgs e)
        {
            Console.WriteLine("文件: {0} 重命名为： {1}", 
                e.OldFullPath, e.FullPath);
        }

        static void Main(string[] args)
        {
            try
            {
                UseFS_fsw ws = new UseFS_fsw();
                while (Console.ReadLine() != Exit) ;
            }
            finally
            {
                //清理测试数据
                if (Directory.Exists(Folder))
                    Directory.Delete(Folder, true);
            }
        }
    }
}