我有一个C＃控制台应用程序，它使用计时器每15秒读取一个文件夹。它工作正常，但在将近8分钟后暂停并停止阅读文件夹。有什么理由吗？
using System;
sing System.Collections.Generic;
using System.Text;
using System.IO;
using System.Threading;
using System.Data;
using System.Data.OracleClient;
using iTextSharp.text;
using iTextSharp.text.pdf;
namespace FolderFileReader
{
class Program
{
static void Main()
{
if (SingleInstance.SingleApplication.Run() == false)
{
return;
}
Thread thread1 = new Thread(new ThreadStart(startNewBusiness));
thread1.Start();
Thread thread2 = new Thread(new ThreadStart(startEndorsement));
thread2.Start();
Thread thread3 = new Thread(new ThreadStart(startRenewal));
thread3.Start();
Thread thread4 = new Thread(new ThreadStart(startCancellation));
thread4.Start();
Console.ReadLine();
}
private static void startNewBusiness()
{
Timer t = new Timer(ProcessNewBusinessFolder, null, 0, 5000);
}
private static void startEndorsement()
{
Timer t2 = new Timer(ProcessEndorsementFolder, null, 0, 5000);
}
private static void startRenewal()
{
Timer t3 = new Timer(ProcessRenewalFolder, null, 0, 5000);
}
private static void startCancellation()
{
Timer t4 = new Timer(ProcessCancellationFolder, null, 0, 5000);
}
private static void ProcessNewBusinessFolder(Object o)
{
Console.Clear();
Console.WriteLine("Do not close this console (New Business).... ");
DirectoryInfo d = new DirectoryInfo(@"E:\HNBGI\SCN_DOCS\NEW\");
DirectoryInfo dest = new DirectoryInfo(@"E:\HNBGI\QUEUED_SCN_DOCS\NEW\");
if (!d.Exists)
{
return;
}
FileInfo[] Files = d.GetFiles("*.pdf");
string quotationNo = "";
string branchCode = "";
foreach (FileInfo file in Files)
{
quotationNo = file.Name;
DirectoryInfo newDir = null;
if (!Directory.Exists(dest.FullName + quotationNo.ToUpper()))
{
// newDir = Directory.CreateDirectory(dest.FullName + quotationNo.ToUpper() + "\\");
System.IO.Directory.CreateDirectory(dest.FullName + quotationNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper());
}
if (quotationNo.Length > 10)
{
branchCode = quotationNo.Substring(2, 3);
}
Console.WriteLine(quotationNo + " - " + branchCode);
try
{
File.Move(file.FullName, dest.FullName + quotationNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper() + "\\" + file.Name.ToUpper());
InsertNewBusiness(quotationNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper(), branchCode, "N");
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
Console.ReadKey();
GC.Collect();
}
private static void ProcessEndorsementFolder(Object o)
{
Console.Clear();
Console.WriteLine("Do not close this console (Endorsement).... ");
DirectoryInfo d = new DirectoryInfo(@"E:\HNBGI\SCN_DOCS\ENDORSEMENT\");
DirectoryInfo dest = new DirectoryInfo(@"E:\HNBGI\QUEUED_SCN_DOCS\ENDORSEMENT\");
if (!d.Exists)
{
return;
}
FileInfo[] Files = d.GetFiles("*.pdf");
string jobNo = "";
string branchCode = "";
foreach (FileInfo file in Files)
{
jobNo = file.Name;
DirectoryInfo newDir = null;
if (!Directory.Exists(dest.FullName + jobNo.ToUpper()))
{
System.IO.Directory.CreateDirectory(dest.FullName + jobNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper());
}
Console.WriteLine(jobNo + " - " + branchCode);
try
{
File.Move(file.FullName, dest.FullName + jobNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper() + "\\" + file.Name.ToUpper());
UpdateEndorsement(jobNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper());
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
Console.ReadKey();
// Force a garbage collection to occur for this demo.
GC.Collect();
}
private static void ProcessRenewalFolder(Object o)
{
Console.Clear();
Console.WriteLine("Do not close this console (Renewal).... ");
DirectoryInfo d = new DirectoryInfo(@"E:\HNBGI\SCN_DOCS\RENEWAL\");
DirectoryInfo dest = new DirectoryInfo(@"E:\HNBGI\QUEUED_SCN_DOCS\RENEWAL\");
if (!d.Exists)
{
return;
}
FileInfo[] Files = d.GetFiles("*.pdf");
string jobNo = "";
string branchCode = "";
foreach (FileInfo file in Files)
{
jobNo = file.Name;
DirectoryInfo newDir = null;
if (!Directory.Exists(dest.FullName + jobNo.ToUpper()))
{
System.IO.Directory.CreateDirectory(dest.FullName + jobNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper());
}
Console.WriteLine(jobNo + " - " + branchCode);
try
{
File.Move(file.FullName, dest.FullName + jobNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper() + "\\" + file.Name.ToUpper());
UpdateRenewal(jobNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper());
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
Console.ReadKey();
// Force a garbage collection to occur for this demo.
GC.Collect();
}
private static void ProcessCancellationFolder(Object o)
{
Console.Clear();
Console.WriteLine("Do not close this console (Cancellation).... ");
DirectoryInfo d = new DirectoryInfo(@"E:\HNBGI\SCN_DOCS\CANCELLATION\");
DirectoryInfo dest = new DirectoryInfo(@"E:\HNBGI\QUEUED_SCN_DOCS\CANCELLATION\");
if (!d.Exists)
{
return;
}
FileInfo[] Files = d.GetFiles("*.pdf");
string jobNo = "";
string branchCode = "";
foreach (FileInfo file in Files)
{
jobNo = file.Name;
DirectoryInfo newDir = null;
if (!Directory.Exists(dest.FullName + jobNo.ToUpper()))
{
// newDir = Directory.CreateDirectory(dest.FullName + quotationNo.ToUpper() + "\\");
System.IO.Directory.CreateDirectory(dest.FullName + jobNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper());
}
string outputFileWithPath = "";
outputFileWithPath = dest.FullName + jobNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper() + "\\" + file.Name.ToUpper();
Console.WriteLine(jobNo + " - " + branchCode);
try
{
File.Move(file.FullName, outputFileWithPath);
UpdateCancellation(jobNo.Substring(0, file.Name.LastIndexOf(".")).ToUpper());
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
Console.ReadKey();
GC.Collect();
}
public static void InsertNewBusiness(string quotationNo, string branchCode, string JobType)
{
\\Code to put Database Entry
}
public static void UpdateEndorsement(string jobNo)
{
\\Code to put Database Entry
}
public static void UpdateRenewal(string jobNo)
{
\\Code to put Database Entry
}
public static void UpdateCancellation(string jobNo)
{
\\Code to put Database Entry
}
}
}
有人可以猜出这个问题吗？
答案 0 :(得分：1)
似乎计时器是由GC收集的。尝试在外部范围内声明计时器。
private static Timer t;
private static Timer t2;
......等等。