重入ASP.Net定时器回调的步骤

using System;
using System.Collections.Generic;
using System.Text;
namespace NET.MST.Sixth.Reenter
{
 class Reenter
 {
  //用来造成线程同步问题的静态成员
  private static int TestInt1=0;
  private static int TestInt2 = 0;
  private static object locko = new object();
  static void Main(string[] args)
  {
   Console.WriteLine("System.Timers.Timer 回调方法重入测试：");
   TimersTimerReenter();
   //这里确保已经开始的回调方法有机会结束
   System.Threading.Thread.Sleep(2 * 1000);
   Console.WriteLine("System.Threading.Timer 回调方法重入测试：");
   ThreadingTimerReenter();
   Console.Read();
  }
  /// <summary>
  /// 展示System.Timers.Timer的回调方法重入
  /// </summary>
  static void TimersTimerReenter()
  {
   System.Timers.Timer timer = new System.Timers.Timer();
   timer.Interval = 100;  //100毫秒
   timer.Elapsed += TimersTimerHandler;
   timer.Start();
   System.Threading.Thread.Sleep(2 * 1000); //运行2秒
   timer.Stop();
  }
  /// <summary>
  /// 展示System.Threading.Timer的回调方法重入
  /// </summary>
  static void ThreadingTimerReenter()
  {
   //100毫秒
   using (System.Threading.Timer timer = new System.Threading.Timer
    (new System.Threading.TimerCallback(ThreadingTimerHandler), null, 0, 100))
   {
    System.Threading.Thread.Sleep(2 * 1000); //运行2秒
   }
  }
  /// <summary>
  /// System.Timers.Timer的回调方法
  /// </summary>
  /// <param name="sender"></param>
  /// <param name="args"></param>
  private static void TimersTimerHandler(object sender,EventArgs args)
  {
   lock (locko)
   {
    Console.WriteLine("测试整数：" + TestInt1.ToString());
    //睡眠10秒，保证方法重入
    System.Threading.Thread.Sleep(300);
    TestInt1++;
    Console.WriteLine("自增1后测试整数：" + TestInt1.ToString());
   }
  }
  /// <summary>
  /// System.Threading.Timer的回调方法
  /// </summary>
  /// <param name="state"></param>
  private static void ThreadingTimerHandler(object state)
  {
   lock (locko)
   {
    Console.WriteLine("测试整数：" + TestInt2.ToString());
    //睡眠10秒，保证方法重入
    System.Threading.Thread.Sleep(300);
    TestInt2++;
    Console.WriteLine("自增1后测试整数：" + TestInt2.ToString());
   }
  }
 }
}