追踪单个文件的服务，不要文件夹的！

2009-11-24 04:49:22 78 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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我想在windows服务中追踪我指定的数个文件，如果文件移动，把旧路径和新路径返回給我！求方法！这里有没有哪位大哥实现过！希望指点

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切换为时间正序

slove1116 2009-11-25

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[Quote=引用 6 楼 linux7985 的回复:]
引用 5 楼 slove1116 的回复:
这个我用过！但是如果我指定文件夹被移动是不会触发时间的！而且这个类也不能单独监控一个文件，只能监控一个文件夹

可以啊，你把那个文件名写上就成了
[/Quote]
写文件名也要先写 watcher.Path,watcher.path只能是目录

烈火蜓蜻 2009-11-25

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[Quote=引用 5 楼 slove1116 的回复:]
这个我用过！但是如果我指定文件夹被移动是不会触发时间的！而且这个类也不能单独监控一个文件，只能监控一个文件夹
[/Quote]

可以啊，你把那个文件名写上就成了

slove1116 2009-11-24

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这个我用过！但是如果我指定文件夹被移动是不会触发时间的！而且这个类也不能单独监控一个文件，只能监控一个文件夹

烈火蜓蜻 2009-11-24

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C# 版有



public class Watcher

{



    public static void Main()

    {

	Run();



    }



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

    public static void Run()

    {

        string[] args = System.Environment.GetCommandLineArgs();



        // If a directory is not specified, exit program.

        if(args.Length != 2)

        {

            // Display the proper way to call the program.

            Console.WriteLine("Usage: Watcher.exe (directory)");

            return;

        }



        // Create a new FileSystemWatcher and set its properties.

        FileSystemWatcher watcher = new FileSystemWatcher();

        watcher.Path = args[1];

        /* Watch for changes in LastAccess and LastWrite times, and 

           the renaming of files or directories. */

        watcher.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite 

           | NotifyFilters.FileName | NotifyFilters.DirectoryName;

        // Only watch text files.

        watcher.Filter = "*.txt";



        // Add event handlers.

        watcher.Changed += new FileSystemEventHandler(OnChanged);

        watcher.Created += new FileSystemEventHandler(OnChanged);

        watcher.Deleted += new FileSystemEventHandler(OnChanged);

        watcher.Renamed += new RenamedEventHandler(OnRenamed);



        // Begin watching.

        watcher.EnableRaisingEvents = true;



        // Wait for the user to quit the program.

        Console.WriteLine("Press \'q\' to quit the sample.");

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

    }



    // Define the event handlers.

    private static void OnChanged(object source, FileSystemEventArgs e)

    {

        // Specify what is done when a file is changed, created, or deleted.

       Console.WriteLine("File: " +  e.FullPath + " " + e.ChangeType);

    }



    private static void OnRenamed(object source, RenamedEventArgs e)

    {

        // Specify what is done when a file is renamed.

        Console.WriteLine("File: {0} renamed to {1}", e.OldFullPath, e.FullPath);

    }

}

烈火蜓蜻 2009-11-24

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// monitor_fs.cpp
// compile with: /clr
#using <system.dll>

using namespace System;
using namespace System::IO;

ref class FSEventHandler
{
public:
void OnChanged (Object^ source, FileSystemEventArgs^ e)
{
Console::WriteLine("File: {0} {1}",
e->FullPath, e->ChangeType);
}
void OnRenamed(Object^ source, RenamedEventArgs^ e)
{
Console::WriteLine("File: {0} renamed to {1}",
e->OldFullPath, e->FullPath);
}
};

int main()
{
array<String^>^ args = Environment::GetCommandLineArgs();

if(args->Length < 2)
{
Console::WriteLine("Usage: Watcher.exe <directory>");
return -1;
}

FileSystemWatcher^ fsWatcher = gcnew FileSystemWatcher( );
fsWatcher->Path = args[1];
fsWatcher->NotifyFilter = static_cast<NotifyFilters>
(NotifyFilters::FileName |
NotifyFilters::Attributes |
NotifyFilters::LastAccess |
NotifyFilters::LastWrite |
NotifyFilters::Security |
NotifyFilters::Size );

FSEventHandler^ handler = gcnew FSEventHandler();
fsWatcher->Changed += gcnew FileSystemEventHandler(
handler, &FSEventHandler::OnChanged);
fsWatcher->Created += gcnew FileSystemEventHandler(
handler, &FSEventHandler::OnChanged);
fsWatcher->Deleted += gcnew FileSystemEventHandler(
handler, &FSEventHandler::OnChanged);
fsWatcher->Renamed += gcnew RenamedEventHandler(
handler, &FSEventHandler::OnRenamed);

fsWatcher->EnableRaisingEvents = true;

Console::WriteLine("Press Enter to quit the sample.");
Console::ReadLine( );
}

烈火蜓蜻 2009-11-24

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有一个FileSystemWatcher的类可以用来监视文件，文件夹也可以，怎么用，你可以用MSDN来查询一下

很方便的

slove1116 2009-11-24

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追踪单个文件的服务，不要文件夹的！

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