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多线程咋个监控啊?

hhy420459674 发布于 2011-01-10 15:58, 944 次点击
有个文件夹A  下面有很多个文件夹  每个文件夹下面可以有文件
我的需求是:监控A下面的每个文件夹中是否有没有文件,如果有,则以二进制的方式保存至数据库,然后删除,
老大说  得随时监控每个文件夹下是否有文件,所以得用多线程处理
请问各位  咋个处理啊?给我个思路吧,我第一次用多线程,没得点思路...
谢谢!
5 回复
#2
yms1232011-01-10 23:30
可以造一个Windows系统服务程序来实现,前提是服务器上能安装系统服务
#3
wangnannan2011-01-13 10:50
程序代码:
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using using System.Collections;

namespace Thread_FileSystemWatcher
{
    class Program
    {
        private static Thread[] threads;
        private static string[] pPath;
      
        static void Main(string[] args)
        {
            threadsPEIZHI();
            while (Console.Read() != 'q') ;

        }

        static void threadsPEIZHI()
        {
            try
            {
                pPath = new string[2];
                pPath[0] = "c:\\";
                pPath[1] = "e:\\";

                threads = new Thread[pPath.Length];
                for (int i = 0; i <= threads.Length-1; i++)
                {
                    threads[i] = new Thread(Run);
                    threads[i].Name = pPath[i];
                    threads[i].Start();
                    Console.WriteLine(threads[i].Name);
                }
            }
            catch(Exception Ex)
            {
                Console.WriteLine(Ex.Message);
            }
        }

        static void Run()
        {
            Run(Thread.CurrentThread.Name);
        }

        static void Run(string pPath)
        {
            FileSystemWatcher fsw = new FileSystemWatcher(pPath);
            fsw.Filter = "*.*";//监控所有类型,包括子文件夹
            fsw.NotifyFilter = NotifyFilters.DirectoryName | NotifyFilters.LastAccess | NotifyFilters.LastWrite;

            fsw.Changed += new FileSystemEventHandler(OnChanged);
            fsw.Created += new FileSystemEventHandler(OnCreated);
            fsw.Deleted += new FileSystemEventHandler(OnDeleted);
            fsw.Renamed += new RenamedEventHandler(OnRenamed);

            fsw.EnableRaisingEvents = true;//开启监控

        }

        static void OnChanged(object source,FileSystemEventArgs e)
        {
            Console.WriteLine("File: " + e.FullPath + " " + e.ChangeType);
        }

        static void OnCreated(object source,FileSystemEventArgs e)
        {
            Console.WriteLine("File: " + e.FullPath + " " + e.ChangeType);
        }

        static void OnDeleted(object source,FileSystemEventArgs e)
        {
            Console.WriteLine("File: " + e.FullPath + " " + e.ChangeType);
        }

        static void OnRenamed(object source, RenamedEventArgs e)
        {
            Console.WriteLine("File: {0} renamed to {1}", e.OldFullPath, e.FullPath);
        }

    }
}


#4
Issac_abc2011-01-14 13:48
.
#5
hhy4204596742011-01-17 13:17
回复 3楼 wangnannan
谢谢版主,我按照你的方法是实现了多线程读取文件夹下面的文件
但是有个问题:因为是多线程,所以就出现了同一个文件就可能被多个线程而访问,因而报错:该文件正在被另一进程使用
所以我就想:有什么办法可以让已经在用线程读取了的文件给锁住,以免被其他线程访问,当读取完文件后,再将其解开!O(∩_∩)O谢谢
#6
lisj_12132011-01-19 14:25
直接Lock就行了
1